Cortex Challenge Team
mbed library sources for small microcontrollers such as STM32F050F6P6 (with 4 kB RAM)
Dependents: STM32F031_blink_LED_1
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mbed-src
by 
mbed official
Revision 491:b97b6b70036c, committed 2015-03-16
- Comitter:
- mbed_official
- Date:
- Mon Mar 16 09:45:08 2015 +0000
- Parent:
- 490:ac0b37ef1651
- Child:
- 492:7aa61083666c
- Commit message:
- Synchronized with git revision cc6830bf9eef1149fb6a6ebe64e20df7e6afc028
Full URL: https://github.com/mbedmicro/mbed/commit/cc6830bf9eef1149fb6a6ebe64e20df7e6afc028/
NUCLEO_L053R8/DISCO_L053C8 - hal files refactoring
Changed in this revision
--- a/targets/hal/TARGET_STM/TARGET_DISCO_L053C8/PeripheralNames.h Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,77 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#ifndef MBED_PERIPHERALNAMES_H
-#define MBED_PERIPHERALNAMES_H
-
-#include "cmsis.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef enum {
- ADC_1 = (int)ADC1_BASE
-} ADCName;
-
-typedef enum {
- DAC_1 = (int)DAC_BASE
-} DACName;
-
-typedef enum {
- UART_1 = (int)USART1_BASE,
- UART_2 = (int)USART2_BASE,
- LPUART_1 = (int)LPUART1_BASE
-} UARTName;
-
-#define STDIO_UART_TX PA_9
-#define STDIO_UART_RX PA_10
-#define STDIO_UART UART_1
-
-typedef enum {
- SPI_1 = (int)SPI1_BASE,
- SPI_2 = (int)SPI2_BASE
-} SPIName;
-
-typedef enum {
- I2C_1 = (int)I2C1_BASE,
- I2C_2 = (int)I2C2_BASE
-} I2CName;
-
-typedef enum {
- PWM_2 = (int)TIM2_BASE,
- PWM_21 = (int)TIM21_BASE,
- PWM_22 = (int)TIM22_BASE
-} PWMName;
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_L053C8/PeripheralPins.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,170 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-
-#include "PeripheralPins.h"
-
-// =====
-// Note: Commented lines are alternative possibilities which are not used per default.
-// If you change them, you will have also to modify the corresponding xxx_api.c file
-// for pwmout, analogin, analogout, ...
-// =====
-
-//*** ADC ***
-
-const PinMap PinMap_ADC[] = {
- {PA_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN0
- {PA_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN1
- {PA_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN2
- {PA_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN3
- {PA_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN4
- {PA_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN5
- {PA_6, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN6
- {PA_7, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN7
- {PB_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN8
- {PB_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN9
- {PC_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN10
- {PC_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN11
- {PC_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN12
- {PC_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN13
- {PC_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN14
- {PC_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN15
- {NC, NC, 0}
-};
-
-//*** DAC ***
-
-const PinMap PinMap_DAC[] = {
- {PA_4, DAC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // DAC_OUT
- {NC, NC, 0}
-};
-
-//*** I2C ***
-
-const PinMap PinMap_I2C_SDA[] = {
- {PB_7, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)},
- {PB_9, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)},
- {PB_11, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF6_I2C2)},
- {PB_14, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C2)},
- {NC, NC, 0}
-};
-
-const PinMap PinMap_I2C_SCL[] = {
- {PB_6, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)},
- {PB_8, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)},
- {PB_10, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF6_I2C2)},
- {PB_13, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C2)},
- {NC, NC, 0}
-};
-
-//*** PWM ***
-
-// TIM21 cannot be used because already used by the us_ticker
-const PinMap PinMap_PWM[] = {
- {PA_0, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH1
- {PA_1, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH2
-// {PA_2, PWM_21, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM21)}, // TIM21_CH1
-// {PA_2, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH3 - used by STDIO TX
-// {PA_3, PWM_21, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM21)}, // TIM21_CH2
-// {PA_3, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH4 - used by STDIO RX
- {PA_5, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM2)}, // TIM2_CH1 - used also to drive the LED
- {PA_6, PWM_22, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM22)}, // TIM22_CH1
- {PA_7, PWM_22, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM22)}, // TIM22_CH2
- {PA_15, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM2)}, // TIM2_CH1
- {PB_3, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH2
- {PB_4, PWM_22, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM22)}, // TIM22_CH1
- {PB_5, PWM_22, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM22)}, // TIM22_CH2
- {PB_10, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH3
- {PB_11, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH4
-// {PB_13, PWM_21, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_TIM21)}, // TIM21_CH1
-// {PB_14, PWM_21, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_TIM21)}, // TIM21_CH2
- {PC_6, PWM_22, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM22)}, // TIM22_CH1
- {PC_7, PWM_22, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM22)}, // TIM22_CH2
- {NC, NC, 0}
-};
-
-//*** SERIAL ***
-
-const PinMap PinMap_UART_TX[] = {
- {PA_2, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART2)},
- {PA_9, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART1)},
- {PA_14, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART2)}, // Warning: this pin is used by SWCLK
- {PB_6, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)},
- {PB_10, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_LPUART1)},
- {PC_4, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_LPUART1)},
- {PC_10, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_LPUART1)},
- {NC, NC, 0}
-};
-
-const PinMap PinMap_UART_RX[] = {
- {PA_3, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART2)},
- {PA_10, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART1)},
- {PA_15, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART2)},
- {PB_7, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)},
- {PB_11, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_LPUART1)},
- {PC_5, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_LPUART1)},
- {PC_11, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_LPUART1)},
- {NC, NC, 0}
-};
-
-//*** SPI ***
-
-const PinMap PinMap_SPI_MOSI[] = {
- {PA_7, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
- {PA_12, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
- {PB_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
- {PB_15, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
- {PC_3, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_SPI2)},
- {NC, NC, 0}
-};
-
-const PinMap PinMap_SPI_MISO[] = {
- {PA_6, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
- {PA_11, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
- {PB_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
- {PB_14, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
- {PC_2, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_SPI2)},
- {NC, NC, 0}
-};
-
-const PinMap PinMap_SPI_SCLK[] = {
- {PA_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
- {PB_3, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
- {PB_10, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
- {PB_13, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
- {NC, NC, 0}
-};
-
-const PinMap PinMap_SPI_SSEL[] = {
- {PA_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
- {PA_15, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
- {PB_9, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
- {PB_12, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
- {NC, NC, 0}
-};
--- a/targets/hal/TARGET_STM/TARGET_DISCO_L053C8/PeripheralPins.h Fri Mar 13 10:45:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,66 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ - -#ifndef MBED_PERIPHERALPINS_H -#define MBED_PERIPHERALPINS_H - -#include "pinmap.h" -#include "PeripheralNames.h" - -//*** ADC *** - -extern const PinMap PinMap_ADC[]; - -//*** DAC *** - -extern const PinMap PinMap_DAC[]; - -//*** I2C *** - -extern const PinMap PinMap_I2C_SDA[]; -extern const PinMap PinMap_I2C_SCL[]; - -//*** PWM *** - -extern const PinMap PinMap_PWM[]; - -//*** SERIAL *** - -extern const PinMap PinMap_UART_TX[]; -extern const PinMap PinMap_UART_RX[]; - -//*** SPI *** - -extern const PinMap PinMap_SPI_MOSI[]; -extern const PinMap PinMap_SPI_MISO[]; -extern const PinMap PinMap_SPI_SCLK[]; -extern const PinMap PinMap_SPI_SSEL[]; - -#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_L053C8/PinNames.h Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,183 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#ifndef MBED_PINNAMES_H
-#define MBED_PINNAMES_H
-
-#include "cmsis.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-// See stm32l0xx_hal_gpio.h and stm32l0xx_hal_gpio_ex.h for values of MODE, PUPD and AFNUM
-#define STM_PIN_DATA(MODE, PUPD, AFNUM) ((int)(((AFNUM) << 7) | ((PUPD) << 4) | ((MODE) << 0)))
-#define STM_PIN_MODE(X) (((X) >> 0) & 0x0F)
-#define STM_PIN_PUPD(X) (((X) >> 4) & 0x07)
-#define STM_PIN_AFNUM(X) (((X) >> 7) & 0x0F)
-#define STM_MODE_INPUT (0)
-#define STM_MODE_OUTPUT_PP (1)
-#define STM_MODE_OUTPUT_OD (2)
-#define STM_MODE_AF_PP (3)
-#define STM_MODE_AF_OD (4)
-#define STM_MODE_ANALOG (5)
-#define STM_MODE_IT_RISING (6)
-#define STM_MODE_IT_FALLING (7)
-#define STM_MODE_IT_RISING_FALLING (8)
-#define STM_MODE_EVT_RISING (9)
-#define STM_MODE_EVT_FALLING (10)
-#define STM_MODE_EVT_RISING_FALLING (11)
-#define STM_MODE_IT_EVT_RESET (12)
-
-// High nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, 6=G, 7=H)
-// Low nibble = pin number
-#define STM_PORT(X) (((uint32_t)(X) >> 4) & 0xF)
-#define STM_PIN(X) ((uint32_t)(X) & 0xF)
-
-typedef enum {
- PIN_INPUT,
- PIN_OUTPUT
-} PinDirection;
-
-typedef enum {
- PA_0 = 0x00,
- PA_1 = 0x01,
- PA_2 = 0x02,
- PA_3 = 0x03,
- PA_4 = 0x04,
- PA_5 = 0x05,
- PA_6 = 0x06,
- PA_7 = 0x07,
- PA_8 = 0x08,
- PA_9 = 0x09,
- PA_10 = 0x0A,
- PA_11 = 0x0B,
- PA_12 = 0x0C,
- PA_13 = 0x0D,
- PA_14 = 0x0E,
- PA_15 = 0x0F,
-
- PB_0 = 0x10,
- PB_1 = 0x11,
- PB_2 = 0x12,
- PB_3 = 0x13,
- PB_4 = 0x14,
- PB_5 = 0x15,
- PB_6 = 0x16,
- PB_7 = 0x17,
- PB_8 = 0x18,
- PB_9 = 0x19,
- PB_10 = 0x1A,
- PB_11 = 0x1B,
- PB_12 = 0x1C,
- PB_13 = 0x1D,
- PB_14 = 0x1E,
- PB_15 = 0x1F,
-
- PC_0 = 0x20,
- PC_1 = 0x21,
- PC_2 = 0x22,
- PC_3 = 0x23,
- PC_4 = 0x24,
- PC_5 = 0x25,
- PC_6 = 0x26,
- PC_7 = 0x27,
- PC_8 = 0x28,
- PC_9 = 0x29,
- PC_10 = 0x2A,
- PC_11 = 0x2B,
- PC_12 = 0x2C,
- PC_13 = 0x2D,
- PC_14 = 0x2E,
- PC_15 = 0x2F,
-
- PD_2 = 0x32,
-
- PH_0 = 0x70,
- PH_1 = 0x71,
-
- // Arduino connector namings
- A0 = PA_0,
- A1 = PA_1,
- A2 = PA_4,
- A3 = PB_0,
- A4 = PC_1,
- A5 = PC_0,
- D0 = PA_3,
- D1 = PA_2,
- D2 = PA_10,
- D3 = PB_3,
- D4 = PB_5,
- D5 = PB_4,
- D6 = PB_10,
- D7 = PA_8,
- D8 = PA_9,
- D9 = PC_7,
- D10 = PB_6,
- D11 = PA_7,
- D12 = PA_6,
- D13 = PA_5,
- D14 = PB_9,
- D15 = PB_8,
-
- // Generic signals namings
- LED1 = PB_4,
- LED2 = PA_5,
- LED3 = PB_4,
- LED4 = PA_5,
- USER_BUTTON = PA_0,
- SERIAL_TX = PA_9,
- SERIAL_RX = PA_10,
- USBTX = PA_9,
- USBRX = PA_10,
- I2C_SCL = PB_8,
- I2C_SDA = PB_9,
- SPI_MOSI = PB_14,
- SPI_MISO = PB_15,
- SPI_SCK = PB_13,
- SPI_CS = PB_12,
- PWM_OUT = PB_3,
-
- // Not connected
- NC = (int)0xFFFFFFFF
-} PinName;
-
-typedef enum {
- PullNone = 0,
- PullUp = 1,
- PullDown = 2,
- OpenDrain = 3,
- PullDefault = PullNone
-} PinMode;
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_L053C8/PortNames.h Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,48 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#ifndef MBED_PORTNAMES_H
-#define MBED_PORTNAMES_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef enum {
- PortA = 0,
- PortB = 1,
- PortC = 2,
- PortD = 3,
- PortH = 7
-} PortName;
-
-#ifdef __cplusplus
-}
-#endif
-#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_L053C8/analogin_api.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,176 +0,0 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#include "mbed_assert.h"
-#include "analogin_api.h"
-
-#if DEVICE_ANALOGIN
-
-#include "wait_api.h"
-#include "cmsis.h"
-#include "pinmap.h"
-#include "PeripheralPins.h"
-
-ADC_HandleTypeDef AdcHandle;
-
-int adc_inited = 0;
-
-void analogin_init(analogin_t *obj, PinName pin)
-{
- // Get the peripheral name from the pin and assign it to the object
- obj->adc = (ADCName)pinmap_peripheral(pin, PinMap_ADC);
- MBED_ASSERT(obj->adc != (ADCName)NC);
-
- // Configure GPIO
- pinmap_pinout(pin, PinMap_ADC);
-
- // Save pin number for the read function
- obj->pin = pin;
-
- // The ADC initialization is done once
- if (adc_inited == 0) {
- adc_inited = 1;
-
- AdcHandle.Instance = (ADC_TypeDef *)(obj->adc);
-
- // Enable ADC clock
- __ADC1_CLK_ENABLE();
-
- // Configure ADC
- AdcHandle.Init.OversamplingMode = DISABLE;
- AdcHandle.Init.ClockPrescaler = ADC_CLOCKPRESCALER_PCLK_DIV1;
- AdcHandle.Init.Resolution = ADC_RESOLUTION12b;
- AdcHandle.Init.SamplingTime = ADC_SAMPLETIME_41CYCLES_5;
- AdcHandle.Init.ScanConvMode = ADC_SCAN_DIRECTION_FORWARD;
- AdcHandle.Init.DataAlign = ADC_DATAALIGN_RIGHT;
- AdcHandle.Init.ContinuousConvMode = DISABLE;
- AdcHandle.Init.DiscontinuousConvMode = DISABLE;
- AdcHandle.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIG_EDGE_NONE;
- AdcHandle.Init.ExternalTrigConv = ADC_EXTERNALTRIG0_T6_TRGO; // Not used here
- AdcHandle.Init.DMAContinuousRequests = DISABLE;
- AdcHandle.Init.EOCSelection = EOC_SINGLE_CONV;
- AdcHandle.Init.Overrun = OVR_DATA_OVERWRITTEN;
- AdcHandle.Init.LowPowerAutoWait = ENABLE;
- AdcHandle.Init.LowPowerFrequencyMode = DISABLE; // To be enabled only if ADC clock < 2.8 MHz
- AdcHandle.Init.LowPowerAutoPowerOff = DISABLE;
- HAL_ADC_Init(&AdcHandle);
-
- // Calibration
- HAL_ADCEx_Calibration_Start(&AdcHandle, ADC_SINGLE_ENDED);
-
- __HAL_ADC_ENABLE(&AdcHandle);
- }
-}
-
-static inline uint16_t adc_read(analogin_t *obj)
-{
- ADC_ChannelConfTypeDef sConfig;
-
- AdcHandle.Instance = (ADC_TypeDef *)(obj->adc);
-
- // Configure ADC channel
- switch (obj->pin) {
- case PA_0:
- sConfig.Channel = ADC_CHANNEL_0;
- break;
- case PA_1:
- sConfig.Channel = ADC_CHANNEL_1;
- break;
- case PA_2:
- sConfig.Channel = ADC_CHANNEL_2;
- break;
- case PA_3:
- sConfig.Channel = ADC_CHANNEL_3;
- break;
- case PA_4:
- sConfig.Channel = ADC_CHANNEL_4;
- break;
- case PA_5:
- sConfig.Channel = ADC_CHANNEL_5;
- break;
- case PA_6:
- sConfig.Channel = ADC_CHANNEL_6;
- break;
- case PA_7:
- sConfig.Channel = ADC_CHANNEL_7;
- break;
- case PB_0:
- sConfig.Channel = ADC_CHANNEL_8;
- break;
- case PB_1:
- sConfig.Channel = ADC_CHANNEL_9;
- break;
- case PC_0:
- sConfig.Channel = ADC_CHANNEL_10;
- break;
- case PC_1:
- sConfig.Channel = ADC_CHANNEL_11;
- break;
- case PC_2:
- sConfig.Channel = ADC_CHANNEL_12;
- break;
- case PC_3:
- sConfig.Channel = ADC_CHANNEL_13;
- break;
- case PC_4:
- sConfig.Channel = ADC_CHANNEL_14;
- break;
- case PC_5:
- sConfig.Channel = ADC_CHANNEL_15;
- break;
- default:
- return 0;
- }
-
- ADC1->CHSELR = 0; // [TODO] Workaround. To be removed after Cube driver is corrected.
- HAL_ADC_ConfigChannel(&AdcHandle, &sConfig);
-
- HAL_ADC_Start(&AdcHandle); // Start conversion
-
- // Wait end of conversion and get value
- if (HAL_ADC_PollForConversion(&AdcHandle, 10) == HAL_OK) {
- return (HAL_ADC_GetValue(&AdcHandle));
- } else {
- return 0;
- }
-}
-
-uint16_t analogin_read_u16(analogin_t *obj)
-{
- uint16_t value = adc_read(obj);
- // 12-bit to 16-bit conversion
- value = ((value << 4) & (uint16_t)0xFFF0) | ((value >> 8) & (uint16_t)0x000F);
- return value;
-}
-
-float analogin_read(analogin_t *obj)
-{
- uint16_t value = adc_read(obj);
- return (float)value * (1.0f / (float)0xFFF); // 12 bits range
-}
-
-#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_L053C8/analogout_api.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,123 +0,0 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#include "mbed_assert.h"
-#include "analogout_api.h"
-
-#if DEVICE_ANALOGOUT
-
-#include "cmsis.h"
-#include "pinmap.h"
-#include "mbed_error.h"
-#include "PeripheralPins.h"
-
-#define DAC_RANGE (0xFFF) // 12 bits
-
-static DAC_HandleTypeDef DacHandle;
-
-void analogout_init(dac_t *obj, PinName pin)
-{
- DAC_ChannelConfTypeDef sConfig;
-
- DacHandle.Instance = DAC;
-
- // Get the peripheral name (DAC_1, ...) from the pin and assign it to the object
- obj->dac = (DACName)pinmap_peripheral(pin, PinMap_DAC);
- MBED_ASSERT(obj->dac != (DACName)NC);
-
- // Configure GPIO
- pinmap_pinout(pin, PinMap_DAC);
-
- // Save the channel for future use
- obj->pin = pin;
-
- // Enable DAC clock
- __DAC_CLK_ENABLE();
-
- // Configure DAC
- sConfig.DAC_Trigger = DAC_TRIGGER_NONE;
- sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_DISABLE;
-
- HAL_DAC_ConfigChannel(&DacHandle, &sConfig, DAC_CHANNEL_1);
-
- analogout_write_u16(obj, 0);
-}
-
-void analogout_free(dac_t *obj)
-{
- // Reset DAC and disable clock
- __DAC_FORCE_RESET();
- __DAC_RELEASE_RESET();
- __DAC_CLK_DISABLE();
-
- // Configure GPIO
- pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
-}
-
-static inline void dac_write(dac_t *obj, uint16_t value)
-{
- HAL_DAC_SetValue(&DacHandle, DAC_CHANNEL_1, DAC_ALIGN_12B_R, value);
- HAL_DAC_Start(&DacHandle, DAC_CHANNEL_1);
-}
-
-static inline int dac_read(dac_t *obj)
-{
- return (int)HAL_DAC_GetValue(&DacHandle, DAC_CHANNEL_1);
-}
-
-void analogout_write(dac_t *obj, float value)
-{
- if (value < 0.0f) {
- dac_write(obj, 0); // Min value
- } else if (value > 1.0f) {
- dac_write(obj, (uint16_t)DAC_RANGE); // Max value
- } else {
- dac_write(obj, (uint16_t)(value * (float)DAC_RANGE));
- }
-}
-
-void analogout_write_u16(dac_t *obj, uint16_t value)
-{
- if (value > (uint16_t)DAC_RANGE) {
- dac_write(obj, (uint16_t)DAC_RANGE); // Max value
- } else {
- dac_write(obj, value);
- }
-}
-
-float analogout_read(dac_t *obj)
-{
- uint32_t value = dac_read(obj);
- return (float)((float)value * (1.0f / (float)DAC_RANGE));
-}
-
-uint16_t analogout_read_u16(dac_t *obj)
-{
- return (uint16_t)dac_read(obj);
-}
-
-#endif // DEVICE_ANALOGOUT
--- a/targets/hal/TARGET_STM/TARGET_DISCO_L053C8/device.h Fri Mar 13 10:45:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,70 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_DEVICE_H -#define MBED_DEVICE_H - -#define DEVICE_PORTIN 1 -#define DEVICE_PORTOUT 1 -#define DEVICE_PORTINOUT 1 - -#define DEVICE_INTERRUPTIN 1 - -#define DEVICE_ANALOGIN 1 -#define DEVICE_ANALOGOUT 1 - -#define DEVICE_SERIAL 1 - -#define DEVICE_I2C 1 -#define DEVICE_I2CSLAVE 1 - -#define DEVICE_SPI 1 -#define DEVICE_SPISLAVE 1 - -#define DEVICE_RTC 1 - -#define DEVICE_PWMOUT 1 - -#define DEVICE_SLEEP 1 - -//======================================= - -#define DEVICE_SEMIHOST 0 -#define DEVICE_LOCALFILESYSTEM 0 -#define DEVICE_ID_LENGTH 24 - -#define DEVICE_DEBUG_AWARENESS 0 - -#define DEVICE_STDIO_MESSAGES 1 - -#define DEVICE_ERROR_RED 0 - -#include "objects.h" - -#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_L053C8/gpio_api.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,77 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#include "mbed_assert.h"
-#include "gpio_api.h"
-#include "pinmap.h"
-#include "mbed_error.h"
-
-extern uint32_t Set_GPIO_Clock(uint32_t port_idx);
-
-uint32_t gpio_set(PinName pin)
-{
- MBED_ASSERT(pin != (PinName)NC);
-
- pin_function(pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
- return (uint32_t)(1 << ((uint32_t)pin & 0xF)); // Return the pin mask
-}
-
-void gpio_init(gpio_t *obj, PinName pin)
-{
- obj->pin = pin;
- if (pin == (PinName)NC)
- return;
-
- uint32_t port_index = STM_PORT(pin);
-
- // Enable GPIO clock
- uint32_t gpio_add = Set_GPIO_Clock(port_index);
- GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
-
- // Fill GPIO object structure for future use
- obj->mask = gpio_set(pin);
- obj->reg_in = &gpio->IDR;
- obj->reg_set = &gpio->BSRR;
- obj->reg_clr = &gpio->BRR;
-}
-
-void gpio_mode(gpio_t *obj, PinMode mode)
-{
- pin_mode(obj->pin, mode);
-}
-
-void gpio_dir(gpio_t *obj, PinDirection direction)
-{
- MBED_ASSERT(obj->pin != (PinName)NC);
- if (direction == PIN_OUTPUT) {
- pin_function(obj->pin, STM_PIN_DATA(STM_MODE_OUTPUT_PP, GPIO_NOPULL, 0));
- } else { // PIN_INPUT
- pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
- }
-}
--- a/targets/hal/TARGET_STM/TARGET_DISCO_L053C8/gpio_irq_api.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,267 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#include <stddef.h>
-#include "cmsis.h"
-#include "gpio_irq_api.h"
-#include "pinmap.h"
-#include "mbed_error.h"
-
-#define EDGE_NONE (0)
-#define EDGE_RISE (1)
-#define EDGE_FALL (2)
-#define EDGE_BOTH (3)
-
-// Number of EXTI irq vectors (EXTI0_1, EXTI2_3, EXTI4_15)
-#define CHANNEL_NUM (3)
-
-// Max pins for one line (max with EXTI4_15)
-#define MAX_PIN_LINE (12)
-
-typedef struct gpio_channel {
- uint32_t pin_mask; // bitmask representing which pins are configured for receiving interrupts
- uint32_t channel_ids[MAX_PIN_LINE]; // mbed "gpio_irq_t gpio_irq" field of instance
- uint32_t channel_gpio[MAX_PIN_LINE]; // base address of gpio port group
- uint32_t channel_pin[MAX_PIN_LINE]; // pin number in port group
-} gpio_channel_t;
-
-static gpio_channel_t channels[CHANNEL_NUM] = {
- {.pin_mask = 0},
- {.pin_mask = 0},
- {.pin_mask = 0}
-};
-
-// Used to return the index for channels array.
-static uint32_t pin_base_nr[16] = {
- // EXTI0_1
- 0, // pin 0
- 1, // pin 1
- // EXTI2_3
- 0, // pin 2
- 1, // pin 3
- // EXTI4_15
- 0, // pin 4
- 1, // pin 5
- 2, // pin 6
- 3, // pin 7
- 4, // pin 8
- 5, // pin 9
- 6, // pin 10
- 7, // pin 11
- 8, // pin 12
- 9, // pin 13
- 10, // pin 14
- 11 // pin 15
-};
-
-static gpio_irq_handler irq_handler;
-
-static void handle_interrupt_in(uint32_t irq_index, uint32_t max_num_pin_line)
-{
- gpio_channel_t *gpio_channel = &channels[irq_index];
- uint32_t gpio_idx;
-
- for (gpio_idx = 0; gpio_idx < max_num_pin_line; gpio_idx++) {
- uint32_t current_mask = (1 << gpio_idx);
-
- if (gpio_channel->pin_mask & current_mask) {
- // Retrieve the gpio and pin that generate the irq
- GPIO_TypeDef *gpio = (GPIO_TypeDef *)(gpio_channel->channel_gpio[gpio_idx]);
- uint32_t pin = (uint32_t)(1 << (gpio_channel->channel_pin[gpio_idx]));
-
- // Clear interrupt flag
- if (__HAL_GPIO_EXTI_GET_FLAG(pin) != RESET) {
- __HAL_GPIO_EXTI_CLEAR_FLAG(pin);
-
- if (gpio_channel->channel_ids[gpio_idx] == 0) continue;
-
- // Check which edge has generated the irq
- if ((gpio->IDR & pin) == 0) {
- irq_handler(gpio_channel->channel_ids[gpio_idx], IRQ_FALL);
- } else {
- irq_handler(gpio_channel->channel_ids[gpio_idx], IRQ_RISE);
- }
- }
- }
- }
-}
-
-// EXTI lines 0 to 1
-static void gpio_irq0(void)
-{
- handle_interrupt_in(0, 2);
-}
-
-// EXTI lines 2 to 3
-static void gpio_irq1(void)
-{
- handle_interrupt_in(1, 2);
-}
-
-// EXTI lines 4 to 15
-static void gpio_irq2(void)
-{
- handle_interrupt_in(2, 12);
-}
-
-extern uint32_t Set_GPIO_Clock(uint32_t port_idx);
-
-int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id)
-{
- IRQn_Type irq_n = (IRQn_Type)0;
- uint32_t vector = 0;
- uint32_t irq_index;
- gpio_channel_t *gpio_channel;
- uint32_t gpio_idx;
-
- if (pin == NC) return -1;
-
- uint32_t port_index = STM_PORT(pin);
- uint32_t pin_index = STM_PIN(pin);
-
- // Select irq number and interrupt routine
- if ((pin_index == 0) || (pin_index == 1)) {
- irq_n = EXTI0_1_IRQn;
- vector = (uint32_t)&gpio_irq0;
- irq_index = 0;
- } else if ((pin_index == 2) || (pin_index == 3)) {
- irq_n = EXTI2_3_IRQn;
- vector = (uint32_t)&gpio_irq1;
- irq_index = 1;
- } else if ((pin_index > 3) && (pin_index < 16)) {
- irq_n = EXTI4_15_IRQn;
- vector = (uint32_t)&gpio_irq2;
- irq_index = 2;
- } else {
- error("InterruptIn error: pin not supported.\n");
- return -1;
- }
-
- // Enable GPIO clock
- uint32_t gpio_add = Set_GPIO_Clock(port_index);
-
- // Configure GPIO
- pin_function(pin, STM_PIN_DATA(STM_MODE_IT_FALLING, GPIO_NOPULL, 0));
-
- // Enable EXTI interrupt
- NVIC_SetVector(irq_n, vector);
- NVIC_EnableIRQ(irq_n);
-
- // Save informations for future use
- obj->irq_n = irq_n;
- obj->irq_index = irq_index;
- obj->event = EDGE_NONE;
- obj->pin = pin;
-
- gpio_channel = &channels[irq_index];
- gpio_idx = pin_base_nr[pin_index];
- gpio_channel->pin_mask |= (1 << gpio_idx);
- gpio_channel->channel_ids[gpio_idx] = id;
- gpio_channel->channel_gpio[gpio_idx] = gpio_add;
- gpio_channel->channel_pin[gpio_idx] = pin_index;
-
- irq_handler = handler;
-
- return 0;
-}
-
-void gpio_irq_free(gpio_irq_t *obj)
-{
- gpio_channel_t *gpio_channel = &channels[obj->irq_index];
- uint32_t pin_index = STM_PIN(obj->pin);
- uint32_t gpio_idx = pin_base_nr[pin_index];
-
- gpio_channel->pin_mask &= ~(1 << gpio_idx);
- gpio_channel->channel_ids[gpio_idx] = 0;
- gpio_channel->channel_gpio[gpio_idx] = 0;
- gpio_channel->channel_pin[gpio_idx] = 0;
-
- // Disable EXTI line
- pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
- obj->event = EDGE_NONE;
-}
-
-void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable)
-{
- uint32_t mode = STM_MODE_IT_EVT_RESET;
- uint32_t pull = GPIO_NOPULL;
-
- if (enable) {
- if (event == IRQ_RISE) {
- if ((obj->event == EDGE_FALL) || (obj->event == EDGE_BOTH)) {
- mode = STM_MODE_IT_RISING_FALLING;
- obj->event = EDGE_BOTH;
- } else { // NONE or RISE
- mode = STM_MODE_IT_RISING;
- obj->event = EDGE_RISE;
- }
- }
- if (event == IRQ_FALL) {
- if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) {
- mode = STM_MODE_IT_RISING_FALLING;
- obj->event = EDGE_BOTH;
- } else { // NONE or FALL
- mode = STM_MODE_IT_FALLING;
- obj->event = EDGE_FALL;
- }
- }
- } else { // Disable
- if (event == IRQ_RISE) {
- if ((obj->event == EDGE_FALL) || (obj->event == EDGE_BOTH)) {
- mode = STM_MODE_IT_FALLING;
- obj->event = EDGE_FALL;
- } else { // NONE or RISE
- mode = STM_MODE_IT_EVT_RESET;
- obj->event = EDGE_NONE;
- }
- }
- if (event == IRQ_FALL) {
- if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) {
- mode = STM_MODE_IT_RISING;
- obj->event = EDGE_RISE;
- } else { // NONE or FALL
- mode = STM_MODE_IT_EVT_RESET;
- obj->event = EDGE_NONE;
- }
- }
- }
-
- pin_function(obj->pin, STM_PIN_DATA(mode, pull, 0));
-}
-
-void gpio_irq_enable(gpio_irq_t *obj)
-{
- NVIC_EnableIRQ(obj->irq_n);
-}
-
-void gpio_irq_disable(gpio_irq_t *obj)
-{
- NVIC_DisableIRQ(obj->irq_n);
- obj->event = EDGE_NONE;
-}
--- a/targets/hal/TARGET_STM/TARGET_DISCO_L053C8/gpio_object.h Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,75 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#ifndef MBED_GPIO_OBJECT_H
-#define MBED_GPIO_OBJECT_H
-
-#include "mbed_assert.h"
-#include "cmsis.h"
-#include "PortNames.h"
-#include "PeripheralNames.h"
-#include "PinNames.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef struct {
- PinName pin;
- uint32_t mask;
- __IO uint32_t *reg_in;
- __IO uint32_t *reg_set;
- __IO uint32_t *reg_clr;
-} gpio_t;
-
-static inline void gpio_write(gpio_t *obj, int value)
-{
- MBED_ASSERT(obj->pin != (PinName)NC);
- if (value) {
- *obj->reg_set = obj->mask;
- } else {
- *obj->reg_clr = obj->mask;
- }
-}
-
-static inline int gpio_read(gpio_t *obj)
-{
- MBED_ASSERT(obj->pin != (PinName)NC);
- return ((*obj->reg_in & obj->mask) ? 1 : 0);
-}
-
-static inline int gpio_is_connected(const gpio_t *obj) {
- return obj->pin != (PinName)NC;
-}
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_L053C8/i2c_api.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,392 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#include "mbed_assert.h"
-#include "i2c_api.h"
-
-#if DEVICE_I2C
-
-#include "cmsis.h"
-#include "pinmap.h"
-#include "PeripheralPins.h"
-
-/* Timeout values for flags and events waiting loops. These timeouts are
- not based on accurate values, they just guarantee that the application will
- not remain stuck if the I2C communication is corrupted. */
-#define FLAG_TIMEOUT ((int)0x1000)
-#define LONG_TIMEOUT ((int)0x8000)
-
-I2C_HandleTypeDef I2cHandle;
-
-int i2c1_inited = 0;
-int i2c2_inited = 0;
-
-void i2c_init(i2c_t *obj, PinName sda, PinName scl)
-{
- // Determine the I2C to use
- I2CName i2c_sda = (I2CName)pinmap_peripheral(sda, PinMap_I2C_SDA);
- I2CName i2c_scl = (I2CName)pinmap_peripheral(scl, PinMap_I2C_SCL);
-
- obj->i2c = (I2CName)pinmap_merge(i2c_sda, i2c_scl);
- MBED_ASSERT(obj->i2c != (I2CName)NC);
-
- // Enable I2C1 clock and pinout if not done
- if ((obj->i2c == I2C_1) && !i2c1_inited) {
- i2c1_inited = 1;
- __HAL_RCC_I2C1_CONFIG(RCC_I2C1CLKSOURCE_SYSCLK);
- __I2C1_CLK_ENABLE();
- // Configure I2C pins
- pinmap_pinout(sda, PinMap_I2C_SDA);
- pinmap_pinout(scl, PinMap_I2C_SCL);
- pin_mode(sda, OpenDrain);
- pin_mode(scl, OpenDrain);
- }
- // Enable I2C2 clock and pinout if not done
- if ((obj->i2c == I2C_2) && !i2c2_inited) {
- i2c2_inited = 1;
- __I2C2_CLK_ENABLE();
- // Configure I2C pins
- pinmap_pinout(sda, PinMap_I2C_SDA);
- pinmap_pinout(scl, PinMap_I2C_SCL);
- pin_mode(sda, OpenDrain);
- pin_mode(scl, OpenDrain);
- }
-
- // Reset to clear pending flags if any
- i2c_reset(obj);
-
- // I2C configuration
- i2c_frequency(obj, 100000); // 100 kHz per default
-}
-
-void i2c_frequency(i2c_t *obj, int hz)
-{
- MBED_ASSERT((hz == 100000) || (hz == 400000) || (hz == 1000000));
- I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c);
- int timeout;
-
- // wait before init
- timeout = LONG_TIMEOUT;
- while ((__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY)) && (timeout-- != 0));
-
- // Common settings: I2C clock = 32 MHz, Analog filter = ON, Digital filter coefficient = 0
- switch (hz) {
- case 100000:
- I2cHandle.Init.Timing = 0x20602938; // Standard mode with Rise Time = 400ns and Fall Time = 100ns
- break;
- case 400000:
- I2cHandle.Init.Timing = 0x00B0122A; // Fast mode with Rise Time = 250ns and Fall Time = 100ns
- break;
- case 1000000:
- I2cHandle.Init.Timing = 0x0030040E; // Fast mode Plus with Rise Time = 60ns and Fall Time = 100ns
- break;
- default:
- break;
- }
-
- // I2C configuration
- I2cHandle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
- I2cHandle.Init.DualAddressMode = I2C_DUALADDRESS_DISABLED;
- I2cHandle.Init.GeneralCallMode = I2C_GENERALCALL_DISABLED;
- I2cHandle.Init.NoStretchMode = I2C_NOSTRETCH_DISABLED;
- I2cHandle.Init.OwnAddress1 = 0;
- I2cHandle.Init.OwnAddress2 = 0;
- I2cHandle.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
- HAL_I2C_Init(&I2cHandle);
-}
-
-inline int i2c_start(i2c_t *obj)
-{
- I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
- int timeout;
-
- I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c);
-
- // Clear Acknowledge failure flag
- __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_AF);
-
- // Generate the START condition
- i2c->CR2 |= I2C_CR2_START;
-
- // Wait the START condition has been correctly sent
- timeout = FLAG_TIMEOUT;
- while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY) == RESET) {
- if ((timeout--) == 0) {
- return 1;
- }
- }
-
- return 0;
-}
-
-inline int i2c_stop(i2c_t *obj)
-{
- I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
-
- // Generate the STOP condition
- i2c->CR2 |= I2C_CR2_STOP;
-
- return 0;
-}
-
-int i2c_read(i2c_t *obj, int address, char *data, int length, int stop)
-{
- I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
- I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c);
- int timeout;
- int count;
- int value;
-
- /* update CR2 register */
- i2c->CR2 = (i2c->CR2 & (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_AUTOEND | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP)))
- | (uint32_t)(((uint32_t)address & I2C_CR2_SADD) | (((uint32_t)length << 16) & I2C_CR2_NBYTES) | (uint32_t)I2C_SOFTEND_MODE | (uint32_t)I2C_GENERATE_START_READ);
-
- // Read all bytes
- for (count = 0; count < length; count++) {
- value = i2c_byte_read(obj, 0);
- data[count] = (char)value;
- }
-
- // Wait transfer complete
- timeout = FLAG_TIMEOUT;
- while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TC) == RESET) {
- timeout--;
- if (timeout == 0) {
- return -1;
- }
- }
-
- __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_TC);
-
- // If not repeated start, send stop.
- if (stop) {
- i2c_stop(obj);
- /* Wait until STOPF flag is set */
- timeout = FLAG_TIMEOUT;
- while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_STOPF) == RESET) {
- timeout--;
- if (timeout == 0) {
- return -1;
- }
- }
- /* Clear STOP Flag */
- __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_STOPF);
- }
-
- return length;
-}
-
-int i2c_write(i2c_t *obj, int address, const char *data, int length, int stop)
-{
- I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
- I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c);
- int timeout;
- int count;
-
- /* update CR2 register */
- i2c->CR2 = (i2c->CR2 & (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_AUTOEND | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP)))
- | (uint32_t)(((uint32_t)address & I2C_CR2_SADD) | (((uint32_t)length << 16) & I2C_CR2_NBYTES) | (uint32_t)I2C_SOFTEND_MODE | (uint32_t)I2C_GENERATE_START_WRITE);
-
- for (count = 0; count < length; count++) {
- i2c_byte_write(obj, data[count]);
- }
-
- // Wait transfer complete
- timeout = FLAG_TIMEOUT;
- while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TC) == RESET) {
- timeout--;
- if (timeout == 0) {
- return -1;
- }
- }
-
- __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_TC);
-
- // If not repeated start, send stop.
- if (stop) {
- i2c_stop(obj);
- /* Wait until STOPF flag is set */
- timeout = FLAG_TIMEOUT;
- while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_STOPF) == RESET) {
- timeout--;
- if (timeout == 0) {
- return -1;
- }
- }
- /* Clear STOP Flag */
- __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_STOPF);
- }
-
- return count;
-}
-
-int i2c_byte_read(i2c_t *obj, int last)
-{
- I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
- int timeout;
-
- // Wait until the byte is received
- timeout = FLAG_TIMEOUT;
- while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_RXNE) == RESET) {
- if ((timeout--) == 0) {
- return -1;
- }
- }
-
- return (int)i2c->RXDR;
-}
-
-int i2c_byte_write(i2c_t *obj, int data)
-{
- I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
- int timeout;
-
- // Wait until the previous byte is transmitted
- timeout = FLAG_TIMEOUT;
- while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TXIS) == RESET) {
- if ((timeout--) == 0) {
- return 0;
- }
- }
-
- i2c->TXDR = (uint8_t)data;
-
- return 1;
-}
-
-void i2c_reset(i2c_t *obj)
-{
- int timeout;
-
- // wait before reset
- timeout = LONG_TIMEOUT;
- while ((__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY)) && (timeout-- != 0));
-
- if (obj->i2c == I2C_1) {
- __I2C1_FORCE_RESET();
- __I2C1_RELEASE_RESET();
- }
- if (obj->i2c == I2C_2) {
- __I2C2_FORCE_RESET();
- __I2C2_RELEASE_RESET();
- }
-}
-
-#if DEVICE_I2CSLAVE
-
-void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask)
-{
- I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
- uint16_t tmpreg;
-
- // disable
- i2c->OAR1 &= (uint32_t)(~I2C_OAR1_OA1EN);
- // Get the old register value
- tmpreg = i2c->OAR1;
- // Reset address bits
- tmpreg &= 0xFC00;
- // Set new address
- tmpreg |= (uint16_t)((uint16_t)address & (uint16_t)0x00FE); // 7-bits
- // Store the new register value
- i2c->OAR1 = tmpreg;
- // enable
- i2c->OAR1 |= I2C_OAR1_OA1EN;
-}
-
-void i2c_slave_mode(i2c_t *obj, int enable_slave)
-{
-
- I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
- uint16_t tmpreg;
-
- // Get the old register value
- tmpreg = i2c->OAR1;
-
- // Enable / disable slave
- if (enable_slave == 1) {
- tmpreg |= I2C_OAR1_OA1EN;
- } else {
- tmpreg &= (uint32_t)(~I2C_OAR1_OA1EN);
- }
-
- // Set new mode
- i2c->OAR1 = tmpreg;
-
-}
-
-// See I2CSlave.h
-#define NoData 0 // the slave has not been addressed
-#define ReadAddressed 1 // the master has requested a read from this slave (slave = transmitter)
-#define WriteGeneral 2 // the master is writing to all slave
-#define WriteAddressed 3 // the master is writing to this slave (slave = receiver)
-
-int i2c_slave_receive(i2c_t *obj)
-{
- I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c);
- int retValue = NoData;
-
- if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY) == 1) {
- if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_ADDR) == 1) {
- if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_DIR) == 1)
- retValue = ReadAddressed;
- else
- retValue = WriteAddressed;
- __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_ADDR);
- }
- }
-
- return (retValue);
-}
-
-int i2c_slave_read(i2c_t *obj, char *data, int length)
-{
- char size = 0;
-
- while (size < length) data[size++] = (char)i2c_byte_read(obj, 0);
-
- return size;
-}
-
-int i2c_slave_write(i2c_t *obj, const char *data, int length)
-{
- char size = 0;
- I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c);
-
- do {
- i2c_byte_write(obj, data[size]);
- size++;
- } while (size < length);
-
- return size;
-}
-
-
-#endif // DEVICE_I2CSLAVE
-
-#endif // DEVICE_I2C
--- a/targets/hal/TARGET_STM/TARGET_DISCO_L053C8/mbed_overrides.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,35 +0,0 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#include "cmsis.h"
-
-// This function is called after RAM initialization and before main.
-void mbed_sdk_init()
-{
- // Update the SystemCoreClock variable.
- SystemCoreClockUpdate();
-}
--- a/targets/hal/TARGET_STM/TARGET_DISCO_L053C8/objects.h Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,109 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#ifndef MBED_OBJECTS_H
-#define MBED_OBJECTS_H
-
-#include "cmsis.h"
-#include "PortNames.h"
-#include "PeripheralNames.h"
-#include "PinNames.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct gpio_irq_s {
- IRQn_Type irq_n;
- uint32_t irq_index;
- uint32_t event;
- PinName pin;
-};
-
-struct port_s {
- PortName port;
- uint32_t mask;
- PinDirection direction;
- __IO uint32_t *reg_in;
- __IO uint32_t *reg_out;
-};
-
-struct analogin_s {
- ADCName adc;
- PinName pin;
-};
-
-struct dac_s {
- DACName dac;
- PinName pin;
-};
-
-struct serial_s {
- UARTName uart;
- int index; // Used by irq
- uint32_t baudrate;
- uint32_t databits;
- uint32_t stopbits;
- uint32_t parity;
- PinName pin_tx;
- PinName pin_rx;
-};
-
-struct spi_s {
- SPIName spi;
- uint32_t bits;
- uint32_t cpol;
- uint32_t cpha;
- uint32_t mode;
- uint32_t nss;
- uint32_t br_presc;
- PinName pin_miso;
- PinName pin_mosi;
- PinName pin_sclk;
- PinName pin_ssel;
-};
-
-struct i2c_s {
- I2CName i2c;
-};
-
-struct pwmout_s {
- PWMName pwm;
- PinName pin;
- uint32_t period;
- uint32_t pulse;
-};
-
-#include "gpio_object.h"
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_L053C8/pinmap.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,143 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#include "mbed_assert.h"
-#include "pinmap.h"
-#include "PortNames.h"
-#include "mbed_error.h"
-
-// GPIO mode look-up table
-static const uint32_t gpio_mode[13] = {
- 0x00000000, // 0 = GPIO_MODE_INPUT
- 0x00000001, // 1 = GPIO_MODE_OUTPUT_PP
- 0x00000011, // 2 = GPIO_MODE_OUTPUT_OD
- 0x00000002, // 3 = GPIO_MODE_AF_PP
- 0x00000012, // 4 = GPIO_MODE_AF_OD
- 0x00000003, // 5 = GPIO_MODE_ANALOG
- 0x10110000, // 6 = GPIO_MODE_IT_RISING
- 0x10210000, // 7 = GPIO_MODE_IT_FALLING
- 0x10310000, // 8 = GPIO_MODE_IT_RISING_FALLING
- 0x10120000, // 9 = GPIO_MODE_EVT_RISING
- 0x10220000, // 10 = GPIO_MODE_EVT_FALLING
- 0x10320000, // 11 = GPIO_MODE_EVT_RISING_FALLING
- 0x10000000 // 12 = Reset IT and EVT (not in STM32Cube HAL)
-};
-
-// Enable GPIO clock and return GPIO base address
-uint32_t Set_GPIO_Clock(uint32_t port_idx)
-{
- uint32_t gpio_add = 0;
- switch (port_idx) {
- case PortA:
- gpio_add = GPIOA_BASE;
- __GPIOA_CLK_ENABLE();
- break;
- case PortB:
- gpio_add = GPIOB_BASE;
- __GPIOB_CLK_ENABLE();
- break;
- case PortC:
- gpio_add = GPIOC_BASE;
- __GPIOC_CLK_ENABLE();
- break;
- case PortD:
- gpio_add = GPIOD_BASE;
- __GPIOD_CLK_ENABLE();
- break;
- case PortH:
- gpio_add = GPIOH_BASE;
- __GPIOH_CLK_ENABLE();
- break;
- default:
- error("Pinmap error: wrong port number.");
- break;
- }
- return gpio_add;
-}
-
-/**
- * Configure pin (mode, speed, output type and pull-up/pull-down)
- */
-void pin_function(PinName pin, int data)
-{
- MBED_ASSERT(pin != (PinName)NC);
- // Get the pin informations
- uint32_t mode = STM_PIN_MODE(data);
- uint32_t pupd = STM_PIN_PUPD(data);
- uint32_t afnum = STM_PIN_AFNUM(data);
-
- uint32_t port_index = STM_PORT(pin);
- uint32_t pin_index = STM_PIN(pin);
-
- // Enable GPIO clock
- uint32_t gpio_add = Set_GPIO_Clock(port_index);
- GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
-
- // Configure GPIO
- GPIO_InitTypeDef GPIO_InitStructure;
- GPIO_InitStructure.Pin = (uint32_t)(1 << pin_index);
- GPIO_InitStructure.Mode = gpio_mode[mode];
- GPIO_InitStructure.Pull = pupd;
- GPIO_InitStructure.Speed = GPIO_SPEED_HIGH;
- GPIO_InitStructure.Alternate = afnum;
- HAL_GPIO_Init(gpio, &GPIO_InitStructure);
-
- // [TODO] Disconnect JTAG-DP + SW-DP signals.
- // Warning: Need to reconnect under reset
- //if ((pin == PA_13) || (pin == PA_14)) {
- //
- //}
- //if ((pin == PA_15) || (pin == PB_3) || (pin == PB_4)) {
- //
- //}
-}
-
-/**
- * Configure pin pull-up/pull-down
- */
-void pin_mode(PinName pin, PinMode mode)
-{
- MBED_ASSERT(pin != (PinName)NC);
- uint32_t port_index = STM_PORT(pin);
- uint32_t pin_index = STM_PIN(pin);
-
- // Enable GPIO clock
- uint32_t gpio_add = Set_GPIO_Clock(port_index);
- GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
-
- // Configure pull-up/pull-down resistors
- uint32_t pupd = (uint32_t)mode;
- if (pupd > 2)
- {
- pupd = 0; // Open-drain = No pull-up/No pull-down
- }
- gpio->PUPDR &= (uint32_t)(~(GPIO_PUPDR_PUPD0 << (pin_index * 2)));
- gpio->PUPDR |= (uint32_t)(pupd << (pin_index * 2));
-
-}
--- a/targets/hal/TARGET_STM/TARGET_DISCO_L053C8/port_api.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,103 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#include "port_api.h"
-#include "pinmap.h"
-#include "gpio_api.h"
-#include "mbed_error.h"
-
-#if DEVICE_PORTIN || DEVICE_PORTOUT
-
-extern uint32_t Set_GPIO_Clock(uint32_t port_idx);
-
-// high nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, ...)
-// low nibble = pin number
-PinName port_pin(PortName port, int pin_n)
-{
- return (PinName)(pin_n + (port << 4));
-}
-
-void port_init(port_t *obj, PortName port, int mask, PinDirection dir)
-{
- uint32_t port_index = (uint32_t)port;
-
- // Enable GPIO clock
- uint32_t gpio_add = Set_GPIO_Clock(port_index);
- GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
-
- // Fill PORT object structure for future use
- obj->port = port;
- obj->mask = mask;
- obj->direction = dir;
- obj->reg_in = &gpio->IDR;
- obj->reg_out = &gpio->ODR;
-
- port_dir(obj, dir);
-}
-
-void port_dir(port_t *obj, PinDirection dir)
-{
- uint32_t i;
- obj->direction = dir;
- for (i = 0; i < 16; i++) { // Process all pins
- if (obj->mask & (1 << i)) { // If the pin is used
- if (dir == PIN_OUTPUT) {
- pin_function(port_pin(obj->port, i), STM_PIN_DATA(STM_MODE_OUTPUT_PP, GPIO_NOPULL, 0));
- } else { // PIN_INPUT
- pin_function(port_pin(obj->port, i), STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
- }
- }
- }
-}
-
-void port_mode(port_t *obj, PinMode mode)
-{
- uint32_t i;
- for (i = 0; i < 16; i++) { // Process all pins
- if (obj->mask & (1 << i)) { // If the pin is used
- pin_mode(port_pin(obj->port, i), mode);
- }
- }
-}
-
-void port_write(port_t *obj, int value)
-{
- *obj->reg_out = (*obj->reg_out & ~obj->mask) | (value & obj->mask);
-}
-
-int port_read(port_t *obj)
-{
- if (obj->direction == PIN_OUTPUT) {
- return (*obj->reg_out & obj->mask);
- } else { // PIN_INPUT
- return (*obj->reg_in & obj->mask);
- }
-}
-
-#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_L053C8/pwmout_api.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,186 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#include "pwmout_api.h"
-
-#if DEVICE_PWMOUT
-
-#include "cmsis.h"
-#include "pinmap.h"
-#include "mbed_error.h"
-#include "PeripheralPins.h"
-
-static TIM_HandleTypeDef TimHandle;
-
-void pwmout_init(pwmout_t* obj, PinName pin)
-{
- // Get the peripheral name from the pin and assign it to the object
- obj->pwm = (PWMName)pinmap_peripheral(pin, PinMap_PWM);
-
- if (obj->pwm == (PWMName)NC) {
- error("PWM error: pinout mapping failed.");
- }
-
- // Enable TIM clock
- if (obj->pwm == PWM_2) __TIM2_CLK_ENABLE();
- if (obj->pwm == PWM_21) __TIM21_CLK_ENABLE();
- if (obj->pwm == PWM_22) __TIM22_CLK_ENABLE();
-
- // Configure GPIO
- pinmap_pinout(pin, PinMap_PWM);
-
- obj->pin = pin;
- obj->period = 0;
- obj->pulse = 0;
-
- pwmout_period_us(obj, 20000); // 20 ms per default
-}
-
-void pwmout_free(pwmout_t* obj)
-{
- // Configure GPIO
- pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
-}
-
-void pwmout_write(pwmout_t* obj, float value)
-{
- TIM_OC_InitTypeDef sConfig;
- int channel = 0;
-
- TimHandle.Instance = (TIM_TypeDef *)(obj->pwm);
-
- if (value < (float)0.0) {
- value = 0.0;
- } else if (value > (float)1.0) {
- value = 1.0;
- }
-
- obj->pulse = (uint32_t)((float)obj->period * value);
-
- // Configure channels
- sConfig.OCMode = TIM_OCMODE_PWM1;
- sConfig.Pulse = obj->pulse;
- sConfig.OCPolarity = TIM_OCPOLARITY_HIGH;
- sConfig.OCFastMode = TIM_OCFAST_ENABLE;
-
- switch (obj->pin) {
- // Channels 1
- case PA_0:
- case PA_5:
- case PA_6:
- case PA_15:
- case PB_4:
- case PC_6:
- channel = TIM_CHANNEL_1;
- break;
- // Channels 2
- case PA_1:
- case PA_7:
- case PB_3:
- case PB_5:
- case PC_7:
- channel = TIM_CHANNEL_2;
- break;
- // Channels 3
- case PA_2:
- case PB_10:
- channel = TIM_CHANNEL_3;
- break;
- // Channels 4
- case PA_3:
- case PB_11:
- channel = TIM_CHANNEL_4;
- break;
- default:
- return;
- }
-
- HAL_TIM_PWM_ConfigChannel(&TimHandle, &sConfig, channel);
- HAL_TIM_PWM_Start(&TimHandle, channel);
-}
-
-float pwmout_read(pwmout_t* obj)
-{
- float value = 0;
- if (obj->period > 0) {
- value = (float)(obj->pulse) / (float)(obj->period);
- }
- return ((value > (float)1.0) ? (float)(1.0) : (value));
-}
-
-void pwmout_period(pwmout_t* obj, float seconds)
-{
- pwmout_period_us(obj, seconds * 1000000.0f);
-}
-
-void pwmout_period_ms(pwmout_t* obj, int ms)
-{
- pwmout_period_us(obj, ms * 1000);
-}
-
-void pwmout_period_us(pwmout_t* obj, int us)
-{
- TimHandle.Instance = (TIM_TypeDef *)(obj->pwm);
-
- float dc = pwmout_read(obj);
-
- __HAL_TIM_DISABLE(&TimHandle);
-
- TimHandle.Init.Period = us - 1;
- TimHandle.Init.Prescaler = (uint16_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
- TimHandle.Init.ClockDivision = 0;
- TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
- HAL_TIM_PWM_Init(&TimHandle);
-
- // Set duty cycle again
- pwmout_write(obj, dc);
-
- // Save for future use
- obj->period = us;
-
- __HAL_TIM_ENABLE(&TimHandle);
-}
-
-void pwmout_pulsewidth(pwmout_t* obj, float seconds)
-{
- pwmout_pulsewidth_us(obj, seconds * 1000000.0f);
-}
-
-void pwmout_pulsewidth_ms(pwmout_t* obj, int ms)
-{
- pwmout_pulsewidth_us(obj, ms * 1000);
-}
-
-void pwmout_pulsewidth_us(pwmout_t* obj, int us)
-{
- float value = (float)us / (float)obj->period;
- pwmout_write(obj, value);
-}
-
-#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_L053C8/rtc_api.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,215 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#include "rtc_api.h"
-
-/* The mcu STM32L053C8 seems to have a problem in the RCC - LSE hardware block. The Disco_L053 don't have a 32kHz crystal connected to LSE port pins.
- * During initialization the HAL tests if it can start the LSE oscillator. The Flag LSERDY in RCC_CSR should be set to 1 by RCC clock control when
- * the oscillator runs stable. Without a crystal the flag shouldn't be set and the HAL trys to start the internal LSI oscillator.
- * But the flag is also set to 1 without a crystal. That's why the RTC doesn't start.
- *
- */
-#define DONT_USE_LSE
-
-#if DEVICE_RTC
-
-#include "mbed_error.h"
-
-static int rtc_inited = 0;
-
-static RTC_HandleTypeDef RtcHandle;
-
-void rtc_init(void)
-{
- RCC_OscInitTypeDef RCC_OscInitStruct;
- uint32_t rtc_freq = 0;
-
- if (rtc_inited) return;
- rtc_inited = 1;
-
- RtcHandle.Instance = RTC;
-
- // Enable Power clock
- __PWR_CLK_ENABLE();
-
- // Enable access to Backup domain
- HAL_PWR_EnableBkUpAccess();
-
- // Reset Backup domain
- __HAL_RCC_BACKUPRESET_FORCE();
- __HAL_RCC_BACKUPRESET_RELEASE();
-
- // Enable LSE Oscillator
- RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE;
- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured!
- RCC_OscInitStruct.LSEState = RCC_LSE_ON; // External 32.768 kHz clock on OSC_IN/OSC_OUT
-#ifndef DONT_USE_LSE
- if (HAL_RCC_OscConfig(&RCC_OscInitStruct) == HAL_OK) {
- // Connect LSE to RTC
- __HAL_RCC_RTC_CLKPRESCALER(RCC_RTCCLKSOURCE_LSE);
- __HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSE);
- rtc_freq = LSE_VALUE;
- } else {
-#endif
- // Enable LSI clock
- RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured!
- RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
- RCC_OscInitStruct.LSIState = RCC_LSI_ON;
- if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
- error("RTC error: LSI clock initialization failed.");
- }
- // Connect LSI to RTC
- __HAL_RCC_RTC_CLKPRESCALER(RCC_RTCCLKSOURCE_LSI);
- __HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSI);
- // This value is LSI typical value. To be measured precisely using a timer input capture for example.
- rtc_freq = 37000;
-#ifndef DONT_USE_LSE
- }
-#endif
-
- // Enable RTC
- __HAL_RCC_RTC_ENABLE();
-
- RtcHandle.Init.HourFormat = RTC_HOURFORMAT_24;
- RtcHandle.Init.AsynchPrediv = 127;
- RtcHandle.Init.SynchPrediv = (rtc_freq / 128) - 1;
- RtcHandle.Init.OutPut = RTC_OUTPUT_DISABLE;
- RtcHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
- RtcHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
-
- if (HAL_RTC_Init(&RtcHandle) != HAL_OK) {
- error("RTC error: RTC initialization failed.");
- }
-}
-
-void rtc_free(void)
-{
- // Enable Power clock
- __PWR_CLK_ENABLE();
-
- // Enable access to Backup domain
- HAL_PWR_EnableBkUpAccess();
-
- // Reset Backup domain
- __HAL_RCC_BACKUPRESET_FORCE();
- __HAL_RCC_BACKUPRESET_RELEASE();
-
- // Disable access to Backup domain
- HAL_PWR_DisableBkUpAccess();
-
- // Disable LSI and LSE clocks
- RCC_OscInitTypeDef RCC_OscInitStruct;
- RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
- RCC_OscInitStruct.LSIState = RCC_LSI_OFF;
- RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
- HAL_RCC_OscConfig(&RCC_OscInitStruct);
-
- rtc_inited = 0;
-}
-
-int rtc_isenabled(void)
-{
- return rtc_inited;
-}
-
-/*
- RTC Registers
- RTC_WeekDay 1=monday, 2=tuesday, ..., 7=sunday
- RTC_Month 1=january, 2=february, ..., 12=december
- RTC_Date day of the month 1-31
- RTC_Year year 0-99
- struct tm
- tm_sec seconds after the minute 0-61
- tm_min minutes after the hour 0-59
- tm_hour hours since midnight 0-23
- tm_mday day of the month 1-31
- tm_mon months since January 0-11
- tm_year years since 1900
- tm_wday days since Sunday 0-6
- tm_yday days since January 1 0-365
- tm_isdst Daylight Saving Time flag
-*/
-time_t rtc_read(void)
-{
- RTC_DateTypeDef dateStruct;
- RTC_TimeTypeDef timeStruct;
- struct tm timeinfo;
-
- RtcHandle.Instance = RTC;
-
- // Read actual date and time
- // Warning: the time must be read first!
- HAL_RTC_GetTime(&RtcHandle, &timeStruct, FORMAT_BIN);
- HAL_RTC_GetDate(&RtcHandle, &dateStruct, FORMAT_BIN);
-
- // Setup a tm structure based on the RTC
- timeinfo.tm_wday = dateStruct.WeekDay;
- timeinfo.tm_mon = dateStruct.Month - 1;
- timeinfo.tm_mday = dateStruct.Date;
- timeinfo.tm_year = dateStruct.Year + 100;
- timeinfo.tm_hour = timeStruct.Hours;
- timeinfo.tm_min = timeStruct.Minutes;
- timeinfo.tm_sec = timeStruct.Seconds;
-
- // Convert to timestamp
- time_t t = mktime(&timeinfo);
-
- return t;
-}
-
-void rtc_write(time_t t)
-{
- RTC_DateTypeDef dateStruct;
- RTC_TimeTypeDef timeStruct;
-
- RtcHandle.Instance = RTC;
-
- // Convert the time into a tm
- struct tm *timeinfo = localtime(&t);
-
- // Fill RTC structures
- dateStruct.WeekDay = timeinfo->tm_wday;
- dateStruct.Month = timeinfo->tm_mon + 1;
- dateStruct.Date = timeinfo->tm_mday;
- dateStruct.Year = timeinfo->tm_year - 100;
- timeStruct.Hours = timeinfo->tm_hour;
- timeStruct.Minutes = timeinfo->tm_min;
- timeStruct.Seconds = timeinfo->tm_sec;
- timeStruct.TimeFormat = RTC_HOURFORMAT12_PM;
- timeStruct.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
- timeStruct.StoreOperation = RTC_STOREOPERATION_RESET;
-
- // Change the RTC current date/time
- HAL_RTC_SetDate(&RtcHandle, &dateStruct, FORMAT_BIN);
- HAL_RTC_SetTime(&RtcHandle, &timeStruct, FORMAT_BIN);
-}
-
-#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_L053C8/serial_api.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,349 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#include "mbed_assert.h"
-#include "serial_api.h"
-
-#if DEVICE_SERIAL
-
-#include "cmsis.h"
-#include "pinmap.h"
-#include <string.h>
-#include "PeripheralPins.h"
-
-#define UART_NUM (3)
-
-static uint32_t serial_irq_ids[UART_NUM] = {0, 0, 0};
-
-static uart_irq_handler irq_handler;
-
-UART_HandleTypeDef UartHandle;
-
-int stdio_uart_inited = 0;
-serial_t stdio_uart;
-
-static void init_uart(serial_t *obj)
-{
- UartHandle.Instance = (USART_TypeDef *)(obj->uart);
-
- // [TODO] Workaround to be removed after HAL driver is corrected
- if (obj->uart == LPUART_1) {
- UartHandle.Init.BaudRate = obj->baudrate >> 1;
- } else {
- UartHandle.Init.BaudRate = obj->baudrate;
- }
- UartHandle.Init.WordLength = obj->databits;
- UartHandle.Init.StopBits = obj->stopbits;
- UartHandle.Init.Parity = obj->parity;
- UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE;
-
- if (obj->pin_rx == NC) {
- UartHandle.Init.Mode = UART_MODE_TX;
- } else if (obj->pin_tx == NC) {
- UartHandle.Init.Mode = UART_MODE_RX;
- } else {
- UartHandle.Init.Mode = UART_MODE_TX_RX;
- }
-
- // Disable the reception overrun detection
- UartHandle.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_RXOVERRUNDISABLE_INIT;
- UartHandle.AdvancedInit.OverrunDisable = UART_ADVFEATURE_OVERRUN_DISABLE;
-
- HAL_UART_Init(&UartHandle);
-}
-
-void serial_init(serial_t *obj, PinName tx, PinName rx)
-{
- // Determine the UART to use (UART_1, UART_2, ...)
- UARTName uart_tx = (UARTName)pinmap_peripheral(tx, PinMap_UART_TX);
- UARTName uart_rx = (UARTName)pinmap_peripheral(rx, PinMap_UART_RX);
-
- // Get the peripheral name (UART_1, UART_2, ...) from the pin and assign it to the object
- obj->uart = (UARTName)pinmap_merge(uart_tx, uart_rx);
- MBED_ASSERT(obj->uart != (UARTName)NC);
-
- // Enable UART clock
- if (obj->uart == UART_1) {
- __USART1_CLK_ENABLE();
- obj->index = 0;
- }
-
- if (obj->uart == UART_2) {
- __USART2_CLK_ENABLE();
- obj->index = 1;
- }
-
- if (obj->uart == LPUART_1) {
- __LPUART1_CLK_ENABLE();
- obj->index = 2;
- }
-
- // Configure the UART pins
- pinmap_pinout(tx, PinMap_UART_TX);
- pinmap_pinout(rx, PinMap_UART_RX);
- if (tx != NC) {
- pin_mode(tx, PullUp);
- }
- if (rx != NC) {
- pin_mode(rx, PullUp);
- }
-
- // Configure UART
- obj->baudrate = 9600;
- obj->databits = UART_WORDLENGTH_8B;
- obj->stopbits = UART_STOPBITS_1;
- obj->parity = UART_PARITY_NONE;
- obj->pin_tx = tx;
- obj->pin_rx = rx;
-
- init_uart(obj);
-
- // For stdio management
- if (obj->uart == STDIO_UART) {
- stdio_uart_inited = 1;
- memcpy(&stdio_uart, obj, sizeof(serial_t));
- }
-}
-
-void serial_free(serial_t *obj)
-{
- // Reset UART and disable clock
- if (obj->uart == UART_1) {
- __USART1_FORCE_RESET();
- __USART1_RELEASE_RESET();
- __USART1_CLK_DISABLE();
- }
-
- if (obj->uart == UART_2) {
- __USART2_FORCE_RESET();
- __USART2_RELEASE_RESET();
- __USART2_CLK_DISABLE();
- }
-
- if (obj->uart == LPUART_1) {
- __LPUART1_FORCE_RESET();
- __LPUART1_RELEASE_RESET();
- __LPUART1_CLK_DISABLE();
- }
-
- // Configure GPIOs
- pin_function(obj->pin_tx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
- pin_function(obj->pin_rx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
-
- serial_irq_ids[obj->index] = 0;
-}
-
-void serial_baud(serial_t *obj, int baudrate)
-{
- obj->baudrate = baudrate;
- init_uart(obj);
-}
-
-void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits)
-{
- if (data_bits == 9) {
- obj->databits = UART_WORDLENGTH_9B;
- } else {
- obj->databits = UART_WORDLENGTH_8B;
- }
-
- switch (parity) {
- case ParityOdd:
- case ParityForced0:
- obj->parity = UART_PARITY_ODD;
- break;
- case ParityEven:
- case ParityForced1:
- obj->parity = UART_PARITY_EVEN;
- break;
- default: // ParityNone
- obj->parity = UART_PARITY_NONE;
- break;
- }
-
- if (stop_bits == 2) {
- obj->stopbits = UART_STOPBITS_2;
- } else {
- obj->stopbits = UART_STOPBITS_1;
- }
-
- init_uart(obj);
-}
-
-/******************************************************************************
- * INTERRUPTS HANDLING
- ******************************************************************************/
-
-static void uart_irq(UARTName name, int id)
-{
- UartHandle.Instance = (USART_TypeDef *)name;
- if (serial_irq_ids[id] != 0) {
- if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TC) != RESET) {
- irq_handler(serial_irq_ids[id], TxIrq);
- __HAL_UART_CLEAR_IT(&UartHandle, UART_CLEAR_TCF);
- }
- if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) {
- irq_handler(serial_irq_ids[id], RxIrq);
- volatile uint32_t tmpval = UartHandle.Instance->RDR; // Clear RXNE bit
- }
- }
-}
-
-static void uart1_irq(void)
-{
- uart_irq(UART_1, 0);
-}
-
-static void uart2_irq(void)
-{
- uart_irq(UART_2, 1);
-}
-
-static void lpuart1_irq(void)
-{
- uart_irq(LPUART_1, 2);
-}
-
-void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id)
-{
- irq_handler = handler;
- serial_irq_ids[obj->index] = id;
-}
-
-void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable)
-{
- IRQn_Type irq_n = (IRQn_Type)0;
- uint32_t vector = 0;
-
- UartHandle.Instance = (USART_TypeDef *)(obj->uart);
-
- if (obj->uart == UART_1) {
- irq_n = USART1_IRQn;
- vector = (uint32_t)&uart1_irq;
- }
-
- if (obj->uart == UART_2) {
- irq_n = USART2_IRQn;
- vector = (uint32_t)&uart2_irq;
- }
-
- if (obj->uart == LPUART_1) {
- irq_n = RNG_LPUART1_IRQn;
- vector = (uint32_t)&lpuart1_irq;
- }
-
- if (enable) {
-
- if (irq == RxIrq) {
- __HAL_UART_ENABLE_IT(&UartHandle, UART_IT_RXNE);
- } else { // TxIrq
- __HAL_UART_ENABLE_IT(&UartHandle, UART_IT_TC);
- }
-
- NVIC_SetVector(irq_n, vector);
- NVIC_EnableIRQ(irq_n);
-
- } else { // disable
-
- int all_disabled = 0;
-
- if (irq == RxIrq) {
- __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_RXNE);
- // Check if TxIrq is disabled too
- if ((UartHandle.Instance->CR1 & USART_CR1_TCIE) == 0) all_disabled = 1;
- } else { // TxIrq
- __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_TC);
- // Check if RxIrq is disabled too
- if ((UartHandle.Instance->CR1 & USART_CR1_RXNEIE) == 0) all_disabled = 1;
- }
-
- if (all_disabled) NVIC_DisableIRQ(irq_n);
-
- }
-}
-
-/******************************************************************************
- * READ/WRITE
- ******************************************************************************/
-
-int serial_getc(serial_t *obj)
-{
- USART_TypeDef *uart = (USART_TypeDef *)(obj->uart);
- while (!serial_readable(obj));
- return (int)(uart->RDR & (uint32_t)0xFF);
-}
-
-void serial_putc(serial_t *obj, int c)
-{
- USART_TypeDef *uart = (USART_TypeDef *)(obj->uart);
- while (!serial_writable(obj));
- uart->TDR = (uint32_t)(c & (uint32_t)0xFF);
-}
-
-int serial_readable(serial_t *obj)
-{
- int status;
- UartHandle.Instance = (USART_TypeDef *)(obj->uart);
- // Check if data is received
- status = ((__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) ? 1 : 0);
- return status;
-}
-
-int serial_writable(serial_t *obj)
-{
- int status;
- UartHandle.Instance = (USART_TypeDef *)(obj->uart);
- // Check if data is transmitted
- status = ((__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TXE) != RESET) ? 1 : 0);
- return status;
-}
-
-void serial_clear(serial_t *obj)
-{
- UartHandle.Instance = (USART_TypeDef *)(obj->uart);
- __HAL_UART_CLEAR_IT(&UartHandle, UART_CLEAR_TCF);
- __HAL_UART_SEND_REQ(&UartHandle, UART_RXDATA_FLUSH_REQUEST);
-}
-
-void serial_pinout_tx(PinName tx)
-{
- pinmap_pinout(tx, PinMap_UART_TX);
-}
-
-void serial_break_set(serial_t *obj)
-{
- UartHandle.Instance = (USART_TypeDef *)(obj->uart);
- __HAL_UART_SEND_REQ(&UartHandle, UART_SENDBREAK_REQUEST);
-}
-
-void serial_break_clear(serial_t *obj)
-{
-}
-
-#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_L053C8/sleep.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,61 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#include "sleep_api.h"
-
-#if DEVICE_SLEEP
-
-#include "cmsis.h"
-
-static TIM_HandleTypeDef TimMasterHandle;
-
-void sleep(void)
-{
- TimMasterHandle.Instance = TIM21;
-
- // Disable HAL tick interrupt
- __HAL_TIM_DISABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
-
- // Request to enter SLEEP mode
- HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
-
- // Enable HAL tick interrupt
- __HAL_TIM_ENABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
-}
-
-void deepsleep(void)
-{
- // Request to enter STOP mode with regulator in low power mode
- HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
-
- // After wake-up from STOP reconfigure the PLL
- SetSysClock();
-}
-
-#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_L053C8/spi_api.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,269 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#include "mbed_assert.h"
-#include "spi_api.h"
-
-#if DEVICE_SPI
-
-#include <math.h>
-#include "cmsis.h"
-#include "pinmap.h"
-#include "PeripheralPins.h"
-
-static SPI_HandleTypeDef SpiHandle;
-
-static void init_spi(spi_t *obj)
-{
- SpiHandle.Instance = (SPI_TypeDef *)(obj->spi);
-
- __HAL_SPI_DISABLE(&SpiHandle);
-
- SpiHandle.Init.Mode = obj->mode;
- SpiHandle.Init.BaudRatePrescaler = obj->br_presc;
- SpiHandle.Init.Direction = SPI_DIRECTION_2LINES;
- SpiHandle.Init.CLKPhase = obj->cpha;
- SpiHandle.Init.CLKPolarity = obj->cpol;
- SpiHandle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLED;
- SpiHandle.Init.CRCPolynomial = 7;
- SpiHandle.Init.DataSize = obj->bits;
- SpiHandle.Init.FirstBit = SPI_FIRSTBIT_MSB;
- SpiHandle.Init.NSS = obj->nss;
- SpiHandle.Init.TIMode = SPI_TIMODE_DISABLED;
-
- HAL_SPI_Init(&SpiHandle);
-
- __HAL_SPI_ENABLE(&SpiHandle);
-}
-
-void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel)
-{
- // Determine the SPI to use
- SPIName spi_mosi = (SPIName)pinmap_peripheral(mosi, PinMap_SPI_MOSI);
- SPIName spi_miso = (SPIName)pinmap_peripheral(miso, PinMap_SPI_MISO);
- SPIName spi_sclk = (SPIName)pinmap_peripheral(sclk, PinMap_SPI_SCLK);
- SPIName spi_ssel = (SPIName)pinmap_peripheral(ssel, PinMap_SPI_SSEL);
-
- SPIName spi_data = (SPIName)pinmap_merge(spi_mosi, spi_miso);
- SPIName spi_cntl = (SPIName)pinmap_merge(spi_sclk, spi_ssel);
-
- obj->spi = (SPIName)pinmap_merge(spi_data, spi_cntl);
- MBED_ASSERT(obj->spi != (SPIName)NC);
-
- // Enable SPI clock
- if (obj->spi == SPI_1) {
- __SPI1_CLK_ENABLE();
- }
- if (obj->spi == SPI_2) {
- __SPI2_CLK_ENABLE();
- }
-
- // Configure the SPI pins
- pinmap_pinout(mosi, PinMap_SPI_MOSI);
- pinmap_pinout(miso, PinMap_SPI_MISO);
- pinmap_pinout(sclk, PinMap_SPI_SCLK);
-
- // Save new values
- obj->bits = SPI_DATASIZE_8BIT;
- obj->cpol = SPI_POLARITY_LOW;
- obj->cpha = SPI_PHASE_1EDGE;
- obj->br_presc = SPI_BAUDRATEPRESCALER_256;
-
- obj->pin_miso = miso;
- obj->pin_mosi = mosi;
- obj->pin_sclk = sclk;
- obj->pin_ssel = ssel;
-
- if (ssel == NC) { // SW NSS Master mode
- obj->mode = SPI_MODE_MASTER;
- obj->nss = SPI_NSS_SOFT;
- } else { // Slave
- pinmap_pinout(ssel, PinMap_SPI_SSEL);
- obj->mode = SPI_MODE_SLAVE;
- obj->nss = SPI_NSS_HARD_INPUT;
- }
-
- init_spi(obj);
-}
-
-void spi_free(spi_t *obj)
-{
- // Reset SPI and disable clock
- if (obj->spi == SPI_1) {
- __SPI1_FORCE_RESET();
- __SPI1_RELEASE_RESET();
- __SPI1_CLK_DISABLE();
- }
-
- if (obj->spi == SPI_2) {
- __SPI2_FORCE_RESET();
- __SPI2_RELEASE_RESET();
- __SPI2_CLK_DISABLE();
- }
-
- // Configure GPIO
- pin_function(obj->pin_miso, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
- pin_function(obj->pin_mosi, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
- pin_function(obj->pin_sclk, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
- pin_function(obj->pin_ssel, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
-}
-
-void spi_format(spi_t *obj, int bits, int mode, int slave)
-{
- // Save new values
- if (bits == 16) {
- obj->bits = SPI_DATASIZE_16BIT;
- } else {
- obj->bits = SPI_DATASIZE_8BIT;
- }
-
- switch (mode) {
- case 0:
- obj->cpol = SPI_POLARITY_LOW;
- obj->cpha = SPI_PHASE_1EDGE;
- break;
- case 1:
- obj->cpol = SPI_POLARITY_LOW;
- obj->cpha = SPI_PHASE_2EDGE;
- break;
- case 2:
- obj->cpol = SPI_POLARITY_HIGH;
- obj->cpha = SPI_PHASE_1EDGE;
- break;
- default:
- obj->cpol = SPI_POLARITY_HIGH;
- obj->cpha = SPI_PHASE_2EDGE;
- break;
- }
-
- if (slave == 0) {
- obj->mode = SPI_MODE_MASTER;
- obj->nss = SPI_NSS_SOFT;
- } else {
- obj->mode = SPI_MODE_SLAVE;
- obj->nss = SPI_NSS_HARD_INPUT;
- }
-
- init_spi(obj);
-}
-
-void spi_frequency(spi_t *obj, int hz)
-{
- // Note: The frequencies are obtained with SPI1 clock = 32 MHz (APB2 clock)
- if (hz < 250000) {
- obj->br_presc = SPI_BAUDRATEPRESCALER_256; // 125 kHz
- } else if ((hz >= 250000) && (hz < 500000)) {
- obj->br_presc = SPI_BAUDRATEPRESCALER_128; // 250 kHz
- } else if ((hz >= 500000) && (hz < 1000000)) {
- obj->br_presc = SPI_BAUDRATEPRESCALER_64; // 500 kHz
- } else if ((hz >= 1000000) && (hz < 2000000)) {
- obj->br_presc = SPI_BAUDRATEPRESCALER_32; // 1 MHz
- } else if ((hz >= 2000000) && (hz < 4000000)) {
- obj->br_presc = SPI_BAUDRATEPRESCALER_16; // 2 MHz
- } else if ((hz >= 4000000) && (hz < 8000000)) {
- obj->br_presc = SPI_BAUDRATEPRESCALER_8; // 4 MHz
- } else if ((hz >= 8000000) && (hz < 16000000)) {
- obj->br_presc = SPI_BAUDRATEPRESCALER_4; // 8 MHz
- } else { // >= 16000000
- obj->br_presc = SPI_BAUDRATEPRESCALER_2; // 16 MHz
- }
- init_spi(obj);
-}
-
-static inline int ssp_readable(spi_t *obj)
-{
- int status;
- SpiHandle.Instance = (SPI_TypeDef *)(obj->spi);
- // Check if data is received
- status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_RXNE) != RESET) ? 1 : 0);
- return status;
-}
-
-static inline int ssp_writeable(spi_t *obj)
-{
- int status;
- SpiHandle.Instance = (SPI_TypeDef *)(obj->spi);
- // Check if data is transmitted
- status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_TXE) != RESET) ? 1 : 0);
- return status;
-}
-
-static inline void ssp_write(spi_t *obj, int value)
-{
- SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi);
- while (!ssp_writeable(obj));
- spi->DR = (uint16_t)value;
-}
-
-static inline int ssp_read(spi_t *obj)
-{
- SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi);
- while (!ssp_readable(obj));
- return (int)spi->DR;
-}
-
-static inline int ssp_busy(spi_t *obj)
-{
- int status;
- SpiHandle.Instance = (SPI_TypeDef *)(obj->spi);
- status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_BSY) != RESET) ? 1 : 0);
- return status;
-}
-
-int spi_master_write(spi_t *obj, int value)
-{
- ssp_write(obj, value);
- return ssp_read(obj);
-}
-
-int spi_slave_receive(spi_t *obj)
-{
- return (ssp_readable(obj) ? 1 : 0);
-};
-
-int spi_slave_read(spi_t *obj)
-{
- SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi);
- while (!ssp_readable(obj));
- return (int)spi->DR;
-}
-
-void spi_slave_write(spi_t *obj, int value)
-{
- SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi);
- while (!ssp_writeable(obj));
- spi->DR = (uint16_t)value;
-}
-
-int spi_busy(spi_t *obj)
-{
- return ssp_busy(obj);
-}
-
-#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_L053C8/us_ticker.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,113 +0,0 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#include <stddef.h>
-#include "us_ticker_api.h"
-#include "PeripheralNames.h"
-
-// Timer selection
-#define TIM_MST TIM21
-
-static TIM_HandleTypeDef TimMasterHandle;
-static int us_ticker_inited = 0;
-
-volatile uint32_t SlaveCounter = 0;
-volatile uint32_t oc_int_part = 0;
-volatile uint16_t oc_rem_part = 0;
-
-void set_compare(uint16_t count)
-{
- TimMasterHandle.Instance = TIM_MST;
- // Set new output compare value
- __HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, count);
- // Enable IT
- __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1);
-}
-
-void us_ticker_init(void)
-{
- if (us_ticker_inited) return;
- us_ticker_inited = 1;
-
- HAL_InitTick(0); // The passed value is not used
-}
-
-uint32_t us_ticker_read()
-{
- uint32_t counter, counter2;
- if (!us_ticker_inited) us_ticker_init();
- // A situation might appear when Master overflows right after Slave is read and before the
- // new (overflowed) value of Master is read. Which would make the code below consider the
- // previous (incorrect) value of Slave and the new value of Master, which would return a
- // value in the past. Avoid this by computing consecutive values of the timer until they
- // are properly ordered.
- counter = (uint32_t)(SlaveCounter << 16);
- counter += TIM_MST->CNT;
- while (1) {
- counter2 = (uint32_t)(SlaveCounter << 16);
- counter2 += TIM_MST->CNT;
- if (counter2 > counter) {
- break;
- }
- counter = counter2;
- }
- return counter2;
-}
-
-void us_ticker_set_interrupt(timestamp_t timestamp)
-{
- int delta = (int)((uint32_t)timestamp - us_ticker_read());
- uint16_t cval = TIM_MST->CNT;
-
- if (delta <= 0) { // This event was in the past
- us_ticker_irq_handler();
- } else {
- oc_int_part = (uint32_t)(delta >> 16);
- oc_rem_part = (uint16_t)(delta & 0xFFFF);
- if (oc_rem_part <= (0xFFFF - cval)) {
- set_compare(cval + oc_rem_part);
- oc_rem_part = 0;
- } else {
- set_compare(0xFFFF);
- oc_rem_part = oc_rem_part - (0xFFFF - cval);
- }
- }
-}
-
-void us_ticker_disable_interrupt(void)
-{
- TimMasterHandle.Instance = TIM_MST;
- __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1);
-}
-
-void us_ticker_clear_interrupt(void)
-{
- TimMasterHandle.Instance = TIM_MST;
- if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
- __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC1);
- }
-}
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/PeripheralNames.h Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,77 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#ifndef MBED_PERIPHERALNAMES_H
-#define MBED_PERIPHERALNAMES_H
-
-#include "cmsis.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef enum {
- ADC_1 = (int)ADC1_BASE
-} ADCName;
-
-typedef enum {
- DAC_1 = (int)DAC_BASE
-} DACName;
-
-typedef enum {
- UART_1 = (int)USART1_BASE,
- UART_2 = (int)USART2_BASE,
- LPUART_1 = (int)LPUART1_BASE
-} UARTName;
-
-#define STDIO_UART_TX PA_2
-#define STDIO_UART_RX PA_3
-#define STDIO_UART UART_2
-
-typedef enum {
- SPI_1 = (int)SPI1_BASE,
- SPI_2 = (int)SPI2_BASE
-} SPIName;
-
-typedef enum {
- I2C_1 = (int)I2C1_BASE,
- I2C_2 = (int)I2C2_BASE
-} I2CName;
-
-typedef enum {
- PWM_2 = (int)TIM2_BASE,
- PWM_21 = (int)TIM21_BASE,
- PWM_22 = (int)TIM22_BASE
-} PWMName;
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/PeripheralPins.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,170 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-
-#include "PeripheralPins.h"
-
-// =====
-// Note: Commented lines are alternative possibilities which are not used per default.
-// If you change them, you will have also to modify the corresponding xxx_api.c file
-// for pwmout, analogin, analogout, ...
-// =====
-
-//*** ADC ***
-
-const PinMap PinMap_ADC[] = {
- {PA_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN0
- {PA_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN1
- {PA_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN2
- {PA_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN3
- {PA_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN4
- {PA_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN5
- {PA_6, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN6
- {PA_7, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN7
- {PB_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN8
- {PB_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN9
- {PC_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN10
- {PC_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN11
- {PC_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN12
- {PC_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN13
- {PC_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN14
- {PC_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN15
- {NC, NC, 0}
-};
-
-//*** DAC ***
-
-const PinMap PinMap_DAC[] = {
- {PA_4, DAC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // DAC_OUT
- {NC, NC, 0}
-};
-
-//*** I2C ***
-
-const PinMap PinMap_I2C_SDA[] = {
- {PB_7, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)},
- {PB_9, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)},
- {PB_11, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF6_I2C2)},
- {PB_14, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C2)},
- {NC, NC, 0}
-};
-
-const PinMap PinMap_I2C_SCL[] = {
- {PB_6, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)},
- {PB_8, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)},
- {PB_10, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF6_I2C2)},
- {PB_13, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C2)},
- {NC, NC, 0}
-};
-
-//*** PWM ***
-
-// TIM21 cannot be used because already used by the us_ticker
-const PinMap PinMap_PWM[] = {
- {PA_0, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH1
- {PA_1, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH2
-// {PA_2, PWM_21, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM21)}, // TIM21_CH1
-// {PA_2, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH3 - used by STDIO TX
-// {PA_3, PWM_21, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM21)}, // TIM21_CH2
-// {PA_3, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH4 - used by STDIO RX
- {PA_5, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM2)}, // TIM2_CH1 - used also to drive the LED
- {PA_6, PWM_22, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM22)}, // TIM22_CH1
- {PA_7, PWM_22, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM22)}, // TIM22_CH2
- {PA_15, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM2)}, // TIM2_CH1
- {PB_3, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH2
- {PB_4, PWM_22, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM22)}, // TIM22_CH1
- {PB_5, PWM_22, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM22)}, // TIM22_CH2
- {PB_10, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH3
- {PB_11, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH4
-// {PB_13, PWM_21, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_TIM21)}, // TIM21_CH1
-// {PB_14, PWM_21, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_TIM21)}, // TIM21_CH2
- {PC_6, PWM_22, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM22)}, // TIM22_CH1
- {PC_7, PWM_22, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM22)}, // TIM22_CH2
- {NC, NC, 0}
-};
-
-//*** SERIAL ***
-
-const PinMap PinMap_UART_TX[] = {
- {PA_2, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART2)},
- {PA_9, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART1)},
- {PA_14, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART2)}, // Warning: this pin is used by SWCLK
- {PB_6, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)},
- {PB_10, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_LPUART1)},
- {PC_4, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_LPUART1)},
- {PC_10, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_LPUART1)},
- {NC, NC, 0}
-};
-
-const PinMap PinMap_UART_RX[] = {
- {PA_3, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART2)},
- {PA_10, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART1)},
- {PA_15, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART2)},
- {PB_7, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)},
- {PB_11, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_LPUART1)},
- {PC_5, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_LPUART1)},
- {PC_11, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_LPUART1)},
- {NC, NC, 0}
-};
-
-//*** SPI ***
-
-const PinMap PinMap_SPI_MOSI[] = {
- {PA_7, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
- {PA_12, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
- {PB_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
- {PB_15, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
- {PC_3, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_SPI2)},
- {NC, NC, 0}
-};
-
-const PinMap PinMap_SPI_MISO[] = {
- {PA_6, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
- {PA_11, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
- {PB_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
- {PB_14, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
- {PC_2, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_SPI2)},
- {NC, NC, 0}
-};
-
-const PinMap PinMap_SPI_SCLK[] = {
- {PA_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
- {PB_3, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
- {PB_10, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
- {PB_13, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
- {NC, NC, 0}
-};
-
-const PinMap PinMap_SPI_SSEL[] = {
- {PA_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
- {PA_15, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
- {PB_9, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
- {PB_12, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
- {NC, NC, 0}
-};
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/PeripheralPins.h Fri Mar 13 10:45:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,66 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ - -#ifndef MBED_PERIPHERALPINS_H -#define MBED_PERIPHERALPINS_H - -#include "pinmap.h" -#include "PeripheralNames.h" - -//*** ADC *** - -extern const PinMap PinMap_ADC[]; - -//*** DAC *** - -extern const PinMap PinMap_DAC[]; - -//*** I2C *** - -extern const PinMap PinMap_I2C_SDA[]; -extern const PinMap PinMap_I2C_SCL[]; - -//*** PWM *** - -extern const PinMap PinMap_PWM[]; - -//*** SERIAL *** - -extern const PinMap PinMap_UART_TX[]; -extern const PinMap PinMap_UART_RX[]; - -//*** SPI *** - -extern const PinMap PinMap_SPI_MOSI[]; -extern const PinMap PinMap_SPI_MISO[]; -extern const PinMap PinMap_SPI_SCLK[]; -extern const PinMap PinMap_SPI_SSEL[]; - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/PinNames.h Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,183 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#ifndef MBED_PINNAMES_H
-#define MBED_PINNAMES_H
-
-#include "cmsis.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-// See stm32l0xx_hal_gpio.h and stm32l0xx_hal_gpio_ex.h for values of MODE, PUPD and AFNUM
-#define STM_PIN_DATA(MODE, PUPD, AFNUM) ((int)(((AFNUM) << 7) | ((PUPD) << 4) | ((MODE) << 0)))
-#define STM_PIN_MODE(X) (((X) >> 0) & 0x0F)
-#define STM_PIN_PUPD(X) (((X) >> 4) & 0x07)
-#define STM_PIN_AFNUM(X) (((X) >> 7) & 0x0F)
-#define STM_MODE_INPUT (0)
-#define STM_MODE_OUTPUT_PP (1)
-#define STM_MODE_OUTPUT_OD (2)
-#define STM_MODE_AF_PP (3)
-#define STM_MODE_AF_OD (4)
-#define STM_MODE_ANALOG (5)
-#define STM_MODE_IT_RISING (6)
-#define STM_MODE_IT_FALLING (7)
-#define STM_MODE_IT_RISING_FALLING (8)
-#define STM_MODE_EVT_RISING (9)
-#define STM_MODE_EVT_FALLING (10)
-#define STM_MODE_EVT_RISING_FALLING (11)
-#define STM_MODE_IT_EVT_RESET (12)
-
-// High nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, 6=G, 7=H)
-// Low nibble = pin number
-#define STM_PORT(X) (((uint32_t)(X) >> 4) & 0xF)
-#define STM_PIN(X) ((uint32_t)(X) & 0xF)
-
-typedef enum {
- PIN_INPUT,
- PIN_OUTPUT
-} PinDirection;
-
-typedef enum {
- PA_0 = 0x00,
- PA_1 = 0x01,
- PA_2 = 0x02,
- PA_3 = 0x03,
- PA_4 = 0x04,
- PA_5 = 0x05,
- PA_6 = 0x06,
- PA_7 = 0x07,
- PA_8 = 0x08,
- PA_9 = 0x09,
- PA_10 = 0x0A,
- PA_11 = 0x0B,
- PA_12 = 0x0C,
- PA_13 = 0x0D,
- PA_14 = 0x0E,
- PA_15 = 0x0F,
-
- PB_0 = 0x10,
- PB_1 = 0x11,
- PB_2 = 0x12,
- PB_3 = 0x13,
- PB_4 = 0x14,
- PB_5 = 0x15,
- PB_6 = 0x16,
- PB_7 = 0x17,
- PB_8 = 0x18,
- PB_9 = 0x19,
- PB_10 = 0x1A,
- PB_11 = 0x1B,
- PB_12 = 0x1C,
- PB_13 = 0x1D,
- PB_14 = 0x1E,
- PB_15 = 0x1F,
-
- PC_0 = 0x20,
- PC_1 = 0x21,
- PC_2 = 0x22,
- PC_3 = 0x23,
- PC_4 = 0x24,
- PC_5 = 0x25,
- PC_6 = 0x26,
- PC_7 = 0x27,
- PC_8 = 0x28,
- PC_9 = 0x29,
- PC_10 = 0x2A,
- PC_11 = 0x2B,
- PC_12 = 0x2C,
- PC_13 = 0x2D,
- PC_14 = 0x2E,
- PC_15 = 0x2F,
-
- PD_2 = 0x32,
-
- PH_0 = 0x70,
- PH_1 = 0x71,
-
- // Arduino connector namings
- A0 = PA_0,
- A1 = PA_1,
- A2 = PA_4,
- A3 = PB_0,
- A4 = PC_1,
- A5 = PC_0,
- D0 = PA_3,
- D1 = PA_2,
- D2 = PA_10,
- D3 = PB_3,
- D4 = PB_5,
- D5 = PB_4,
- D6 = PB_10,
- D7 = PA_8,
- D8 = PA_9,
- D9 = PC_7,
- D10 = PB_6,
- D11 = PA_7,
- D12 = PA_6,
- D13 = PA_5,
- D14 = PB_9,
- D15 = PB_8,
-
- // Generic signals namings
- LED1 = PA_5,
- LED2 = PA_5,
- LED3 = PA_5,
- LED4 = PA_5,
- USER_BUTTON = PC_13,
- SERIAL_TX = PA_2,
- SERIAL_RX = PA_3,
- USBTX = PA_2,
- USBRX = PA_3,
- I2C_SCL = PB_8,
- I2C_SDA = PB_9,
- SPI_MOSI = PA_7,
- SPI_MISO = PA_6,
- SPI_SCK = PA_5,
- SPI_CS = PB_6,
- PWM_OUT = PB_3,
-
- // Not connected
- NC = (int)0xFFFFFFFF
-} PinName;
-
-typedef enum {
- PullNone = 0,
- PullUp = 1,
- PullDown = 2,
- OpenDrain = 3,
- PullDefault = PullNone
-} PinMode;
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/PortNames.h Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,48 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#ifndef MBED_PORTNAMES_H
-#define MBED_PORTNAMES_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef enum {
- PortA = 0,
- PortB = 1,
- PortC = 2,
- PortD = 3,
- PortH = 7
-} PortName;
-
-#ifdef __cplusplus
-}
-#endif
-#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/analogin_api.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,176 +0,0 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#include "mbed_assert.h"
-#include "analogin_api.h"
-
-#if DEVICE_ANALOGIN
-
-#include "wait_api.h"
-#include "cmsis.h"
-#include "pinmap.h"
-#include "PeripheralPins.h"
-
-ADC_HandleTypeDef AdcHandle;
-
-int adc_inited = 0;
-
-void analogin_init(analogin_t *obj, PinName pin)
-{
- // Get the peripheral name from the pin and assign it to the object
- obj->adc = (ADCName)pinmap_peripheral(pin, PinMap_ADC);
- MBED_ASSERT(obj->adc != (ADCName)NC);
-
- // Configure GPIO
- pinmap_pinout(pin, PinMap_ADC);
-
- // Save pin number for the read function
- obj->pin = pin;
-
- // The ADC initialization is done once
- if (adc_inited == 0) {
- adc_inited = 1;
-
- AdcHandle.Instance = (ADC_TypeDef *)(obj->adc);
-
- // Enable ADC clock
- __ADC1_CLK_ENABLE();
-
- // Configure ADC
- AdcHandle.Init.OversamplingMode = DISABLE;
- AdcHandle.Init.ClockPrescaler = ADC_CLOCKPRESCALER_PCLK_DIV1;
- AdcHandle.Init.Resolution = ADC_RESOLUTION12b;
- AdcHandle.Init.SamplingTime = ADC_SAMPLETIME_41CYCLES_5;
- AdcHandle.Init.ScanConvMode = ADC_SCAN_DIRECTION_FORWARD;
- AdcHandle.Init.DataAlign = ADC_DATAALIGN_RIGHT;
- AdcHandle.Init.ContinuousConvMode = DISABLE;
- AdcHandle.Init.DiscontinuousConvMode = DISABLE;
- AdcHandle.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIG_EDGE_NONE;
- AdcHandle.Init.ExternalTrigConv = ADC_EXTERNALTRIG0_T6_TRGO; // Not used here
- AdcHandle.Init.DMAContinuousRequests = DISABLE;
- AdcHandle.Init.EOCSelection = EOC_SINGLE_CONV;
- AdcHandle.Init.Overrun = OVR_DATA_OVERWRITTEN;
- AdcHandle.Init.LowPowerAutoWait = ENABLE;
- AdcHandle.Init.LowPowerFrequencyMode = DISABLE; // To be enabled only if ADC clock < 2.8 MHz
- AdcHandle.Init.LowPowerAutoPowerOff = DISABLE;
- HAL_ADC_Init(&AdcHandle);
-
- // Calibration
- HAL_ADCEx_Calibration_Start(&AdcHandle, ADC_SINGLE_ENDED);
-
- __HAL_ADC_ENABLE(&AdcHandle);
- }
-}
-
-static inline uint16_t adc_read(analogin_t *obj)
-{
- ADC_ChannelConfTypeDef sConfig;
-
- AdcHandle.Instance = (ADC_TypeDef *)(obj->adc);
-
- // Configure ADC channel
- switch (obj->pin) {
- case PA_0:
- sConfig.Channel = ADC_CHANNEL_0;
- break;
- case PA_1:
- sConfig.Channel = ADC_CHANNEL_1;
- break;
- case PA_2:
- sConfig.Channel = ADC_CHANNEL_2;
- break;
- case PA_3:
- sConfig.Channel = ADC_CHANNEL_3;
- break;
- case PA_4:
- sConfig.Channel = ADC_CHANNEL_4;
- break;
- case PA_5:
- sConfig.Channel = ADC_CHANNEL_5;
- break;
- case PA_6:
- sConfig.Channel = ADC_CHANNEL_6;
- break;
- case PA_7:
- sConfig.Channel = ADC_CHANNEL_7;
- break;
- case PB_0:
- sConfig.Channel = ADC_CHANNEL_8;
- break;
- case PB_1:
- sConfig.Channel = ADC_CHANNEL_9;
- break;
- case PC_0:
- sConfig.Channel = ADC_CHANNEL_10;
- break;
- case PC_1:
- sConfig.Channel = ADC_CHANNEL_11;
- break;
- case PC_2:
- sConfig.Channel = ADC_CHANNEL_12;
- break;
- case PC_3:
- sConfig.Channel = ADC_CHANNEL_13;
- break;
- case PC_4:
- sConfig.Channel = ADC_CHANNEL_14;
- break;
- case PC_5:
- sConfig.Channel = ADC_CHANNEL_15;
- break;
- default:
- return 0;
- }
-
- ADC1->CHSELR = 0; // [TODO] Workaround. To be removed after Cube driver is corrected.
- HAL_ADC_ConfigChannel(&AdcHandle, &sConfig);
-
- HAL_ADC_Start(&AdcHandle); // Start conversion
-
- // Wait end of conversion and get value
- if (HAL_ADC_PollForConversion(&AdcHandle, 10) == HAL_OK) {
- return (HAL_ADC_GetValue(&AdcHandle));
- } else {
- return 0;
- }
-}
-
-uint16_t analogin_read_u16(analogin_t *obj)
-{
- uint16_t value = adc_read(obj);
- // 12-bit to 16-bit conversion
- value = ((value << 4) & (uint16_t)0xFFF0) | ((value >> 8) & (uint16_t)0x000F);
- return value;
-}
-
-float analogin_read(analogin_t *obj)
-{
- uint16_t value = adc_read(obj);
- return (float)value * (1.0f / (float)0xFFF); // 12 bits range
-}
-
-#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/analogout_api.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,161 +0,0 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#include "mbed_assert.h"
-#include "analogout_api.h"
-
-#if DEVICE_ANALOGOUT
-
-#include "cmsis.h"
-#include "pinmap.h"
-#include "mbed_error.h"
-#include "PeripheralPins.h"
-
-#define DAC_RANGE (0xFFF) // 12 bits
-
-static DAC_HandleTypeDef DacHandle;
-
-// These variables are used for the "free" function
-static int pa4_used = 0;
-static int pa5_used = 0;
-
-void analogout_init(dac_t *obj, PinName pin)
-{
- DAC_ChannelConfTypeDef sConfig;
-
- // Get the peripheral name from the pin and assign it to the object
- obj->dac = (DACName)pinmap_peripheral(pin, PinMap_DAC);
- MBED_ASSERT(obj->dac != (DACName)NC);
-
- // Configure GPIO
- pinmap_pinout(pin, PinMap_DAC);
-
- // Save the pin for future use
- obj->pin = pin;
-
- // Enable DAC clock
- __DAC_CLK_ENABLE();
-
- // Configure DAC
- DacHandle.Instance = DAC;
-
- sConfig.DAC_Trigger = DAC_TRIGGER_NONE;
- sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_DISABLE;
-
- if (pin == PA_4) {
- HAL_DAC_ConfigChannel(&DacHandle, &sConfig, DAC_CHANNEL_1);
- pa4_used = 1;
- }
-
-#if defined(DAC_CHANNEL_2)
- if (pin == PA_5) {
- HAL_DAC_ConfigChannel(&DacHandle, &sConfig, DAC_CHANNEL_2);
- pa5_used = 1;
- }
-#endif
-
- analogout_write_u16(obj, 0);
-}
-
-void analogout_free(dac_t *obj)
-{
- // Reset DAC and disable clock
- if (obj->pin == PA_4) pa4_used = 0;
- if (obj->pin == PA_5) pa5_used = 0;
-
- if ((pa4_used == 0) && (pa5_used == 0)) {
- __DAC_FORCE_RESET();
- __DAC_RELEASE_RESET();
- __DAC_CLK_DISABLE();
- }
-
- // Configure GPIO
- pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
-}
-
-static inline void dac_write(dac_t *obj, uint16_t value)
-{
- if (obj->pin == PA_4) {
- HAL_DAC_SetValue(&DacHandle, DAC_CHANNEL_1, DAC_ALIGN_12B_R, value);
- HAL_DAC_Start(&DacHandle, DAC_CHANNEL_1);
- }
-
-#if defined(DAC_CHANNEL_2)
- if (obj->pin == PA_5) {
- HAL_DAC_SetValue(&DacHandle, DAC_CHANNEL_2, DAC_ALIGN_12B_R, value);
- HAL_DAC_Start(&DacHandle, DAC_CHANNEL_2);
- }
-#endif
-}
-
-static inline int dac_read(dac_t *obj)
-{
- if (obj->pin == PA_4) {
- return (int)HAL_DAC_GetValue(&DacHandle, DAC_CHANNEL_1);
- }
-#if defined(DAC_CHANNEL_2)
- else if (obj->pin == PA_5) {
- return (int)HAL_DAC_GetValue(&DacHandle, DAC_CHANNEL_2);
- }
-#endif
- else {
- return 0;
- }
-}
-
-void analogout_write(dac_t *obj, float value)
-{
- if (value < 0.0f) {
- dac_write(obj, 0); // Min value
- } else if (value > 1.0f) {
- dac_write(obj, (uint16_t)DAC_RANGE); // Max value
- } else {
- dac_write(obj, (uint16_t)(value * (float)DAC_RANGE));
- }
-}
-
-void analogout_write_u16(dac_t *obj, uint16_t value)
-{
- if (value > (uint16_t)DAC_RANGE) {
- dac_write(obj, (uint16_t)DAC_RANGE); // Max value
- } else {
- dac_write(obj, value);
- }
-}
-
-float analogout_read(dac_t *obj)
-{
- uint32_t value = dac_read(obj);
- return (float)((float)value * (1.0f / (float)DAC_RANGE));
-}
-
-uint16_t analogout_read_u16(dac_t *obj)
-{
- return (uint16_t)dac_read(obj);
-}
-
-#endif // DEVICE_ANALOGOUT
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/device.h Fri Mar 13 10:45:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,70 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_DEVICE_H -#define MBED_DEVICE_H - -#define DEVICE_PORTIN 1 -#define DEVICE_PORTOUT 1 -#define DEVICE_PORTINOUT 1 - -#define DEVICE_INTERRUPTIN 1 - -#define DEVICE_ANALOGIN 1 -#define DEVICE_ANALOGOUT 1 - -#define DEVICE_SERIAL 1 - -#define DEVICE_I2C 1 -#define DEVICE_I2CSLAVE 1 - -#define DEVICE_SPI 1 -#define DEVICE_SPISLAVE 1 - -#define DEVICE_RTC 1 - -#define DEVICE_PWMOUT 1 - -#define DEVICE_SLEEP 1 - -//======================================= - -#define DEVICE_SEMIHOST 0 -#define DEVICE_LOCALFILESYSTEM 0 -#define DEVICE_ID_LENGTH 24 - -#define DEVICE_DEBUG_AWARENESS 0 - -#define DEVICE_STDIO_MESSAGES 1 - -#define DEVICE_ERROR_RED 0 - -#include "objects.h" - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/gpio_api.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,77 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#include "mbed_assert.h"
-#include "gpio_api.h"
-#include "pinmap.h"
-#include "mbed_error.h"
-
-extern uint32_t Set_GPIO_Clock(uint32_t port_idx);
-
-uint32_t gpio_set(PinName pin)
-{
- MBED_ASSERT(pin != (PinName)NC);
-
- pin_function(pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
- return (uint32_t)(1 << ((uint32_t)pin & 0xF)); // Return the pin mask
-}
-
-void gpio_init(gpio_t *obj, PinName pin)
-{
- obj->pin = pin;
- if (pin == (PinName)NC)
- return;
-
- uint32_t port_index = STM_PORT(pin);
-
- // Enable GPIO clock
- uint32_t gpio_add = Set_GPIO_Clock(port_index);
- GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
-
- // Fill GPIO object structure for future use
- obj->mask = gpio_set(pin);
- obj->reg_in = &gpio->IDR;
- obj->reg_set = &gpio->BSRR;
- obj->reg_clr = &gpio->BRR;
-}
-
-void gpio_mode(gpio_t *obj, PinMode mode)
-{
- pin_mode(obj->pin, mode);
-}
-
-void gpio_dir(gpio_t *obj, PinDirection direction)
-{
- MBED_ASSERT(obj->pin != (PinName)NC);
- if (direction == PIN_OUTPUT) {
- pin_function(obj->pin, STM_PIN_DATA(STM_MODE_OUTPUT_PP, GPIO_NOPULL, 0));
- } else { // PIN_INPUT
- pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
- }
-}
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/gpio_irq_api.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,267 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#include <stddef.h>
-#include "cmsis.h"
-#include "gpio_irq_api.h"
-#include "pinmap.h"
-#include "mbed_error.h"
-
-#define EDGE_NONE (0)
-#define EDGE_RISE (1)
-#define EDGE_FALL (2)
-#define EDGE_BOTH (3)
-
-// Number of EXTI irq vectors (EXTI0_1, EXTI2_3, EXTI4_15)
-#define CHANNEL_NUM (3)
-
-// Max pins for one line (max with EXTI4_15)
-#define MAX_PIN_LINE (12)
-
-typedef struct gpio_channel {
- uint32_t pin_mask; // bitmask representing which pins are configured for receiving interrupts
- uint32_t channel_ids[MAX_PIN_LINE]; // mbed "gpio_irq_t gpio_irq" field of instance
- uint32_t channel_gpio[MAX_PIN_LINE]; // base address of gpio port group
- uint32_t channel_pin[MAX_PIN_LINE]; // pin number in port group
-} gpio_channel_t;
-
-static gpio_channel_t channels[CHANNEL_NUM] = {
- {.pin_mask = 0},
- {.pin_mask = 0},
- {.pin_mask = 0}
-};
-
-// Used to return the index for channels array.
-static uint32_t pin_base_nr[16] = {
- // EXTI0_1
- 0, // pin 0
- 1, // pin 1
- // EXTI2_3
- 0, // pin 2
- 1, // pin 3
- // EXTI4_15
- 0, // pin 4
- 1, // pin 5
- 2, // pin 6
- 3, // pin 7
- 4, // pin 8
- 5, // pin 9
- 6, // pin 10
- 7, // pin 11
- 8, // pin 12
- 9, // pin 13
- 10, // pin 14
- 11 // pin 15
-};
-
-static gpio_irq_handler irq_handler;
-
-static void handle_interrupt_in(uint32_t irq_index, uint32_t max_num_pin_line)
-{
- gpio_channel_t *gpio_channel = &channels[irq_index];
- uint32_t gpio_idx;
-
- for (gpio_idx = 0; gpio_idx < max_num_pin_line; gpio_idx++) {
- uint32_t current_mask = (1 << gpio_idx);
-
- if (gpio_channel->pin_mask & current_mask) {
- // Retrieve the gpio and pin that generate the irq
- GPIO_TypeDef *gpio = (GPIO_TypeDef *)(gpio_channel->channel_gpio[gpio_idx]);
- uint32_t pin = (uint32_t)(1 << (gpio_channel->channel_pin[gpio_idx]));
-
- // Clear interrupt flag
- if (__HAL_GPIO_EXTI_GET_FLAG(pin) != RESET) {
- __HAL_GPIO_EXTI_CLEAR_FLAG(pin);
-
- if (gpio_channel->channel_ids[gpio_idx] == 0) continue;
-
- // Check which edge has generated the irq
- if ((gpio->IDR & pin) == 0) {
- irq_handler(gpio_channel->channel_ids[gpio_idx], IRQ_FALL);
- } else {
- irq_handler(gpio_channel->channel_ids[gpio_idx], IRQ_RISE);
- }
- }
- }
- }
-}
-
-// EXTI lines 0 to 1
-static void gpio_irq0(void)
-{
- handle_interrupt_in(0, 2);
-}
-
-// EXTI lines 2 to 3
-static void gpio_irq1(void)
-{
- handle_interrupt_in(1, 2);
-}
-
-// EXTI lines 4 to 15
-static void gpio_irq2(void)
-{
- handle_interrupt_in(2, 12);
-}
-
-extern uint32_t Set_GPIO_Clock(uint32_t port_idx);
-
-int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id)
-{
- IRQn_Type irq_n = (IRQn_Type)0;
- uint32_t vector = 0;
- uint32_t irq_index;
- gpio_channel_t *gpio_channel;
- uint32_t gpio_idx;
-
- if (pin == NC) return -1;
-
- uint32_t port_index = STM_PORT(pin);
- uint32_t pin_index = STM_PIN(pin);
-
- // Select irq number and interrupt routine
- if ((pin_index == 0) || (pin_index == 1)) {
- irq_n = EXTI0_1_IRQn;
- vector = (uint32_t)&gpio_irq0;
- irq_index = 0;
- } else if ((pin_index == 2) || (pin_index == 3)) {
- irq_n = EXTI2_3_IRQn;
- vector = (uint32_t)&gpio_irq1;
- irq_index = 1;
- } else if ((pin_index > 3) && (pin_index < 16)) {
- irq_n = EXTI4_15_IRQn;
- vector = (uint32_t)&gpio_irq2;
- irq_index = 2;
- } else {
- error("InterruptIn error: pin not supported.\n");
- return -1;
- }
-
- // Enable GPIO clock
- uint32_t gpio_add = Set_GPIO_Clock(port_index);
-
- // Configure GPIO
- pin_function(pin, STM_PIN_DATA(STM_MODE_IT_FALLING, GPIO_NOPULL, 0));
-
- // Enable EXTI interrupt
- NVIC_SetVector(irq_n, vector);
- NVIC_EnableIRQ(irq_n);
-
- // Save informations for future use
- obj->irq_n = irq_n;
- obj->irq_index = irq_index;
- obj->event = EDGE_NONE;
- obj->pin = pin;
-
- gpio_channel = &channels[irq_index];
- gpio_idx = pin_base_nr[pin_index];
- gpio_channel->pin_mask |= (1 << gpio_idx);
- gpio_channel->channel_ids[gpio_idx] = id;
- gpio_channel->channel_gpio[gpio_idx] = gpio_add;
- gpio_channel->channel_pin[gpio_idx] = pin_index;
-
- irq_handler = handler;
-
- return 0;
-}
-
-void gpio_irq_free(gpio_irq_t *obj)
-{
- gpio_channel_t *gpio_channel = &channels[obj->irq_index];
- uint32_t pin_index = STM_PIN(obj->pin);
- uint32_t gpio_idx = pin_base_nr[pin_index];
-
- gpio_channel->pin_mask &= ~(1 << gpio_idx);
- gpio_channel->channel_ids[gpio_idx] = 0;
- gpio_channel->channel_gpio[gpio_idx] = 0;
- gpio_channel->channel_pin[gpio_idx] = 0;
-
- // Disable EXTI line
- pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
- obj->event = EDGE_NONE;
-}
-
-void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable)
-{
- uint32_t mode = STM_MODE_IT_EVT_RESET;
- uint32_t pull = GPIO_NOPULL;
-
- if (enable) {
- if (event == IRQ_RISE) {
- if ((obj->event == EDGE_FALL) || (obj->event == EDGE_BOTH)) {
- mode = STM_MODE_IT_RISING_FALLING;
- obj->event = EDGE_BOTH;
- } else { // NONE or RISE
- mode = STM_MODE_IT_RISING;
- obj->event = EDGE_RISE;
- }
- }
- if (event == IRQ_FALL) {
- if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) {
- mode = STM_MODE_IT_RISING_FALLING;
- obj->event = EDGE_BOTH;
- } else { // NONE or FALL
- mode = STM_MODE_IT_FALLING;
- obj->event = EDGE_FALL;
- }
- }
- } else { // Disable
- if (event == IRQ_RISE) {
- if ((obj->event == EDGE_FALL) || (obj->event == EDGE_BOTH)) {
- mode = STM_MODE_IT_FALLING;
- obj->event = EDGE_FALL;
- } else { // NONE or RISE
- mode = STM_MODE_IT_EVT_RESET;
- obj->event = EDGE_NONE;
- }
- }
- if (event == IRQ_FALL) {
- if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) {
- mode = STM_MODE_IT_RISING;
- obj->event = EDGE_RISE;
- } else { // NONE or FALL
- mode = STM_MODE_IT_EVT_RESET;
- obj->event = EDGE_NONE;
- }
- }
- }
-
- pin_function(obj->pin, STM_PIN_DATA(mode, pull, 0));
-}
-
-void gpio_irq_enable(gpio_irq_t *obj)
-{
- NVIC_EnableIRQ(obj->irq_n);
-}
-
-void gpio_irq_disable(gpio_irq_t *obj)
-{
- NVIC_DisableIRQ(obj->irq_n);
- obj->event = EDGE_NONE;
-}
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/gpio_object.h Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,75 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#ifndef MBED_GPIO_OBJECT_H
-#define MBED_GPIO_OBJECT_H
-
-#include "mbed_assert.h"
-#include "cmsis.h"
-#include "PortNames.h"
-#include "PeripheralNames.h"
-#include "PinNames.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef struct {
- PinName pin;
- uint32_t mask;
- __IO uint32_t *reg_in;
- __IO uint32_t *reg_set;
- __IO uint32_t *reg_clr;
-} gpio_t;
-
-static inline void gpio_write(gpio_t *obj, int value)
-{
- MBED_ASSERT(obj->pin != (PinName)NC);
- if (value) {
- *obj->reg_set = obj->mask;
- } else {
- *obj->reg_clr = obj->mask;
- }
-}
-
-static inline int gpio_read(gpio_t *obj)
-{
- MBED_ASSERT(obj->pin != (PinName)NC);
- return ((*obj->reg_in & obj->mask) ? 1 : 0);
-}
-
-static inline int gpio_is_connected(const gpio_t *obj) {
- return obj->pin != (PinName)NC;
-}
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/i2c_api.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,409 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#include "mbed_assert.h"
-#include "i2c_api.h"
-
-#if DEVICE_I2C
-
-#include "cmsis.h"
-#include "pinmap.h"
-#include "PeripheralPins.h"
-
-/* Timeout values for flags and events waiting loops. These timeouts are
- not based on accurate values, they just guarantee that the application will
- not remain stuck if the I2C communication is corrupted. */
-#define FLAG_TIMEOUT ((int)0x1000)
-#define LONG_TIMEOUT ((int)0x8000)
-
-I2C_HandleTypeDef I2cHandle;
-
-void i2c_init(i2c_t *obj, PinName sda, PinName scl)
-{
- static int i2c1_inited = 0;
- static int i2c2_inited = 0;
-#if defined(I2C3_BASE)
- static int i2c3_inited = 0;
-#endif
-
- // Determine the I2C to use
- I2CName i2c_sda = (I2CName)pinmap_peripheral(sda, PinMap_I2C_SDA);
- I2CName i2c_scl = (I2CName)pinmap_peripheral(scl, PinMap_I2C_SCL);
-
- obj->i2c = (I2CName)pinmap_merge(i2c_sda, i2c_scl);
- MBED_ASSERT(obj->i2c != (I2CName)NC);
-
- // Enable I2C1 clock and pinout if not done
- if ((obj->i2c == I2C_1) && !i2c1_inited) {
- i2c1_inited = 1;
- __HAL_RCC_I2C1_CONFIG(RCC_I2C1CLKSOURCE_SYSCLK);
- __I2C1_CLK_ENABLE();
- // Configure I2C pins
- pinmap_pinout(sda, PinMap_I2C_SDA);
- pinmap_pinout(scl, PinMap_I2C_SCL);
- pin_mode(sda, OpenDrain);
- pin_mode(scl, OpenDrain);
- }
-
- // Enable I2C2 clock and pinout if not done
- if ((obj->i2c == I2C_2) && !i2c2_inited) {
- i2c2_inited = 1;
- __I2C2_CLK_ENABLE();
- // Configure I2C pins
- pinmap_pinout(sda, PinMap_I2C_SDA);
- pinmap_pinout(scl, PinMap_I2C_SCL);
- pin_mode(sda, OpenDrain);
- pin_mode(scl, OpenDrain);
- }
-
-#if defined(I2C3_BASE)
- // Enable I2C3 clock and pinout if not done
- if ((obj->i2c == I2C_3) && !i2c3_inited) {
- i2c3_inited = 1;
- __I2C3_CLK_ENABLE();
- // Configure I2C pins
- pinmap_pinout(sda, PinMap_I2C_SDA);
- pinmap_pinout(scl, PinMap_I2C_SCL);
- pin_mode(sda, OpenDrain);
- pin_mode(scl, OpenDrain);
- }
-#endif
-
- // Reset to clear pending flags if any
- i2c_reset(obj);
-
- // I2C configuration
- i2c_frequency(obj, 100000); // 100 kHz per default
-}
-
-void i2c_frequency(i2c_t *obj, int hz)
-{
- MBED_ASSERT((hz == 100000) || (hz == 400000) || (hz == 1000000));
- I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c);
- int timeout;
-
- // wait before init
- timeout = LONG_TIMEOUT;
- while ((__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY)) && (timeout-- != 0));
-
- // Common settings: I2C clock = 32 MHz, Analog filter = ON, Digital filter coefficient = 0
- switch (hz) {
- case 100000:
- I2cHandle.Init.Timing = 0x20602938; // Standard mode with Rise Time = 400ns and Fall Time = 100ns
- break;
- case 400000:
- I2cHandle.Init.Timing = 0x00B0122A; // Fast mode with Rise Time = 250ns and Fall Time = 100ns
- break;
- case 1000000:
- I2cHandle.Init.Timing = 0x0030040E; // Fast mode Plus with Rise Time = 60ns and Fall Time = 100ns
- break;
- default:
- break;
- }
-
- // I2C configuration
- I2cHandle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
- I2cHandle.Init.DualAddressMode = I2C_DUALADDRESS_DISABLED;
- I2cHandle.Init.GeneralCallMode = I2C_GENERALCALL_DISABLED;
- I2cHandle.Init.NoStretchMode = I2C_NOSTRETCH_DISABLED;
- I2cHandle.Init.OwnAddress1 = 0;
- I2cHandle.Init.OwnAddress2 = 0;
- I2cHandle.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
- HAL_I2C_Init(&I2cHandle);
-}
-
-inline int i2c_start(i2c_t *obj)
-{
- I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
- int timeout;
-
- I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c);
-
- // Clear Acknowledge failure flag
- __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_AF);
-
- // Generate the START condition
- i2c->CR2 |= I2C_CR2_START;
-
- // Wait the START condition has been correctly sent
- timeout = FLAG_TIMEOUT;
- while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY) == RESET) {
- if ((timeout--) == 0) {
- return 1;
- }
- }
-
- return 0;
-}
-
-inline int i2c_stop(i2c_t *obj)
-{
- I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
-
- // Generate the STOP condition
- i2c->CR2 |= I2C_CR2_STOP;
-
- return 0;
-}
-
-int i2c_read(i2c_t *obj, int address, char *data, int length, int stop)
-{
- I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
- I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c);
- int timeout;
- int count;
- int value;
-
- /* update CR2 register */
- i2c->CR2 = (i2c->CR2 & (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_AUTOEND | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP)))
- | (uint32_t)(((uint32_t)address & I2C_CR2_SADD) | (((uint32_t)length << 16) & I2C_CR2_NBYTES) | (uint32_t)I2C_SOFTEND_MODE | (uint32_t)I2C_GENERATE_START_READ);
-
- // Read all bytes
- for (count = 0; count < length; count++) {
- value = i2c_byte_read(obj, 0);
- data[count] = (char)value;
- }
-
- // Wait transfer complete
- timeout = FLAG_TIMEOUT;
- while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TC) == RESET) {
- timeout--;
- if (timeout == 0) {
- return -1;
- }
- }
-
- __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_TC);
-
- // If not repeated start, send stop.
- if (stop) {
- i2c_stop(obj);
- /* Wait until STOPF flag is set */
- timeout = FLAG_TIMEOUT;
- while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_STOPF) == RESET) {
- timeout--;
- if (timeout == 0) {
- return -1;
- }
- }
- /* Clear STOP Flag */
- __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_STOPF);
- }
-
- return length;
-}
-
-int i2c_write(i2c_t *obj, int address, const char *data, int length, int stop)
-{
- I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
- I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c);
- int timeout;
- int count;
-
- /* update CR2 register */
- i2c->CR2 = (i2c->CR2 & (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_AUTOEND | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP)))
- | (uint32_t)(((uint32_t)address & I2C_CR2_SADD) | (((uint32_t)length << 16) & I2C_CR2_NBYTES) | (uint32_t)I2C_SOFTEND_MODE | (uint32_t)I2C_GENERATE_START_WRITE);
-
- for (count = 0; count < length; count++) {
- i2c_byte_write(obj, data[count]);
- }
-
- // Wait transfer complete
- timeout = FLAG_TIMEOUT;
- while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TC) == RESET) {
- timeout--;
- if (timeout == 0) {
- return -1;
- }
- }
-
- __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_TC);
-
- // If not repeated start, send stop.
- if (stop) {
- i2c_stop(obj);
- /* Wait until STOPF flag is set */
- timeout = FLAG_TIMEOUT;
- while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_STOPF) == RESET) {
- timeout--;
- if (timeout == 0) {
- return -1;
- }
- }
- /* Clear STOP Flag */
- __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_STOPF);
- }
-
- return count;
-}
-
-int i2c_byte_read(i2c_t *obj, int last)
-{
- I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
- int timeout;
-
- // Wait until the byte is received
- timeout = FLAG_TIMEOUT;
- while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_RXNE) == RESET) {
- if ((timeout--) == 0) {
- return -1;
- }
- }
-
- return (int)i2c->RXDR;
-}
-
-int i2c_byte_write(i2c_t *obj, int data)
-{
- I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
- int timeout;
-
- // Wait until the previous byte is transmitted
- timeout = FLAG_TIMEOUT;
- while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TXIS) == RESET) {
- if ((timeout--) == 0) {
- return 0;
- }
- }
-
- i2c->TXDR = (uint8_t)data;
-
- return 1;
-}
-
-void i2c_reset(i2c_t *obj)
-{
- int timeout;
-
- // wait before reset
- timeout = LONG_TIMEOUT;
- while ((__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY)) && (timeout-- != 0));
-
- if (obj->i2c == I2C_1) {
- __I2C1_FORCE_RESET();
- __I2C1_RELEASE_RESET();
- }
- if (obj->i2c == I2C_2) {
- __I2C2_FORCE_RESET();
- __I2C2_RELEASE_RESET();
- }
-}
-
-#if DEVICE_I2CSLAVE
-
-void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask)
-{
- I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
- uint16_t tmpreg;
-
- // disable
- i2c->OAR1 &= (uint32_t)(~I2C_OAR1_OA1EN);
- // Get the old register value
- tmpreg = i2c->OAR1;
- // Reset address bits
- tmpreg &= 0xFC00;
- // Set new address
- tmpreg |= (uint16_t)((uint16_t)address & (uint16_t)0x00FE); // 7-bits
- // Store the new register value
- i2c->OAR1 = tmpreg;
- // enable
- i2c->OAR1 |= I2C_OAR1_OA1EN;
-}
-
-void i2c_slave_mode(i2c_t *obj, int enable_slave)
-{
-
- I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
- uint16_t tmpreg;
-
- // Get the old register value
- tmpreg = i2c->OAR1;
-
- // Enable / disable slave
- if (enable_slave == 1) {
- tmpreg |= I2C_OAR1_OA1EN;
- } else {
- tmpreg &= (uint32_t)(~I2C_OAR1_OA1EN);
- }
-
- // Set new mode
- i2c->OAR1 = tmpreg;
-
-}
-
-// See I2CSlave.h
-#define NoData 0 // the slave has not been addressed
-#define ReadAddressed 1 // the master has requested a read from this slave (slave = transmitter)
-#define WriteGeneral 2 // the master is writing to all slave
-#define WriteAddressed 3 // the master is writing to this slave (slave = receiver)
-
-int i2c_slave_receive(i2c_t *obj)
-{
- I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c);
- int retValue = NoData;
-
- if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY) == 1) {
- if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_ADDR) == 1) {
- if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_DIR) == 1)
- retValue = ReadAddressed;
- else
- retValue = WriteAddressed;
- __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_ADDR);
- }
- }
-
- return (retValue);
-}
-
-int i2c_slave_read(i2c_t *obj, char *data, int length)
-{
- char size = 0;
-
- while (size < length) data[size++] = (char)i2c_byte_read(obj, 0);
-
- return size;
-}
-
-int i2c_slave_write(i2c_t *obj, const char *data, int length)
-{
- char size = 0;
- I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c);
-
- do {
- i2c_byte_write(obj, data[size]);
- size++;
- } while (size < length);
-
- return size;
-}
-
-
-#endif // DEVICE_I2CSLAVE
-
-#endif // DEVICE_I2C
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/mbed_overrides.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,35 +0,0 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#include "cmsis.h"
-
-// This function is called after RAM initialization and before main.
-void mbed_sdk_init()
-{
- // Update the SystemCoreClock variable.
- SystemCoreClockUpdate();
-}
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/objects.h Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,109 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#ifndef MBED_OBJECTS_H
-#define MBED_OBJECTS_H
-
-#include "cmsis.h"
-#include "PortNames.h"
-#include "PeripheralNames.h"
-#include "PinNames.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct gpio_irq_s {
- IRQn_Type irq_n;
- uint32_t irq_index;
- uint32_t event;
- PinName pin;
-};
-
-struct port_s {
- PortName port;
- uint32_t mask;
- PinDirection direction;
- __IO uint32_t *reg_in;
- __IO uint32_t *reg_out;
-};
-
-struct analogin_s {
- ADCName adc;
- PinName pin;
-};
-
-struct dac_s {
- DACName dac;
- PinName pin;
-};
-
-struct serial_s {
- UARTName uart;
- int index; // Used by irq
- uint32_t baudrate;
- uint32_t databits;
- uint32_t stopbits;
- uint32_t parity;
- PinName pin_tx;
- PinName pin_rx;
-};
-
-struct spi_s {
- SPIName spi;
- uint32_t bits;
- uint32_t cpol;
- uint32_t cpha;
- uint32_t mode;
- uint32_t nss;
- uint32_t br_presc;
- PinName pin_miso;
- PinName pin_mosi;
- PinName pin_sclk;
- PinName pin_ssel;
-};
-
-struct i2c_s {
- I2CName i2c;
-};
-
-struct pwmout_s {
- PWMName pwm;
- PinName pin;
- uint32_t period;
- uint32_t pulse;
-};
-
-#include "gpio_object.h"
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/pinmap.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,143 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#include "mbed_assert.h"
-#include "pinmap.h"
-#include "PortNames.h"
-#include "mbed_error.h"
-
-// GPIO mode look-up table
-static const uint32_t gpio_mode[13] = {
- 0x00000000, // 0 = GPIO_MODE_INPUT
- 0x00000001, // 1 = GPIO_MODE_OUTPUT_PP
- 0x00000011, // 2 = GPIO_MODE_OUTPUT_OD
- 0x00000002, // 3 = GPIO_MODE_AF_PP
- 0x00000012, // 4 = GPIO_MODE_AF_OD
- 0x00000003, // 5 = GPIO_MODE_ANALOG
- 0x10110000, // 6 = GPIO_MODE_IT_RISING
- 0x10210000, // 7 = GPIO_MODE_IT_FALLING
- 0x10310000, // 8 = GPIO_MODE_IT_RISING_FALLING
- 0x10120000, // 9 = GPIO_MODE_EVT_RISING
- 0x10220000, // 10 = GPIO_MODE_EVT_FALLING
- 0x10320000, // 11 = GPIO_MODE_EVT_RISING_FALLING
- 0x10000000 // 12 = Reset IT and EVT (not in STM32Cube HAL)
-};
-
-// Enable GPIO clock and return GPIO base address
-uint32_t Set_GPIO_Clock(uint32_t port_idx)
-{
- uint32_t gpio_add = 0;
- switch (port_idx) {
- case PortA:
- gpio_add = GPIOA_BASE;
- __GPIOA_CLK_ENABLE();
- break;
- case PortB:
- gpio_add = GPIOB_BASE;
- __GPIOB_CLK_ENABLE();
- break;
- case PortC:
- gpio_add = GPIOC_BASE;
- __GPIOC_CLK_ENABLE();
- break;
- case PortD:
- gpio_add = GPIOD_BASE;
- __GPIOD_CLK_ENABLE();
- break;
- case PortH:
- gpio_add = GPIOH_BASE;
- __GPIOH_CLK_ENABLE();
- break;
- default:
- error("Pinmap error: wrong port number.");
- break;
- }
- return gpio_add;
-}
-
-/**
- * Configure pin (mode, speed, output type and pull-up/pull-down)
- */
-void pin_function(PinName pin, int data)
-{
- MBED_ASSERT(pin != (PinName)NC);
- // Get the pin informations
- uint32_t mode = STM_PIN_MODE(data);
- uint32_t pupd = STM_PIN_PUPD(data);
- uint32_t afnum = STM_PIN_AFNUM(data);
-
- uint32_t port_index = STM_PORT(pin);
- uint32_t pin_index = STM_PIN(pin);
-
- // Enable GPIO clock
- uint32_t gpio_add = Set_GPIO_Clock(port_index);
- GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
-
- // Configure GPIO
- GPIO_InitTypeDef GPIO_InitStructure;
- GPIO_InitStructure.Pin = (uint32_t)(1 << pin_index);
- GPIO_InitStructure.Mode = gpio_mode[mode];
- GPIO_InitStructure.Pull = pupd;
- GPIO_InitStructure.Speed = GPIO_SPEED_HIGH;
- GPIO_InitStructure.Alternate = afnum;
- HAL_GPIO_Init(gpio, &GPIO_InitStructure);
-
- // [TODO] Disconnect JTAG-DP + SW-DP signals.
- // Warning: Need to reconnect under reset
- //if ((pin == PA_13) || (pin == PA_14)) {
- //
- //}
- //if ((pin == PA_15) || (pin == PB_3) || (pin == PB_4)) {
- //
- //}
-}
-
-/**
- * Configure pin pull-up/pull-down
- */
-void pin_mode(PinName pin, PinMode mode)
-{
- MBED_ASSERT(pin != (PinName)NC);
- uint32_t port_index = STM_PORT(pin);
- uint32_t pin_index = STM_PIN(pin);
-
- // Enable GPIO clock
- uint32_t gpio_add = Set_GPIO_Clock(port_index);
- GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
-
- // Configure pull-up/pull-down resistors
- uint32_t pupd = (uint32_t)mode;
- if (pupd > 2)
- {
- pupd = 0; // Open-drain = No pull-up/No pull-down
- }
- gpio->PUPDR &= (uint32_t)(~(GPIO_PUPDR_PUPD0 << (pin_index * 2)));
- gpio->PUPDR |= (uint32_t)(pupd << (pin_index * 2));
-
-}
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/port_api.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,103 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#include "port_api.h"
-#include "pinmap.h"
-#include "gpio_api.h"
-#include "mbed_error.h"
-
-#if DEVICE_PORTIN || DEVICE_PORTOUT
-
-extern uint32_t Set_GPIO_Clock(uint32_t port_idx);
-
-// high nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, ...)
-// low nibble = pin number
-PinName port_pin(PortName port, int pin_n)
-{
- return (PinName)(pin_n + (port << 4));
-}
-
-void port_init(port_t *obj, PortName port, int mask, PinDirection dir)
-{
- uint32_t port_index = (uint32_t)port;
-
- // Enable GPIO clock
- uint32_t gpio_add = Set_GPIO_Clock(port_index);
- GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
-
- // Fill PORT object structure for future use
- obj->port = port;
- obj->mask = mask;
- obj->direction = dir;
- obj->reg_in = &gpio->IDR;
- obj->reg_out = &gpio->ODR;
-
- port_dir(obj, dir);
-}
-
-void port_dir(port_t *obj, PinDirection dir)
-{
- uint32_t i;
- obj->direction = dir;
- for (i = 0; i < 16; i++) { // Process all pins
- if (obj->mask & (1 << i)) { // If the pin is used
- if (dir == PIN_OUTPUT) {
- pin_function(port_pin(obj->port, i), STM_PIN_DATA(STM_MODE_OUTPUT_PP, GPIO_NOPULL, 0));
- } else { // PIN_INPUT
- pin_function(port_pin(obj->port, i), STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
- }
- }
- }
-}
-
-void port_mode(port_t *obj, PinMode mode)
-{
- uint32_t i;
- for (i = 0; i < 16; i++) { // Process all pins
- if (obj->mask & (1 << i)) { // If the pin is used
- pin_mode(port_pin(obj->port, i), mode);
- }
- }
-}
-
-void port_write(port_t *obj, int value)
-{
- *obj->reg_out = (*obj->reg_out & ~obj->mask) | (value & obj->mask);
-}
-
-int port_read(port_t *obj)
-{
- if (obj->direction == PIN_OUTPUT) {
- return (*obj->reg_out & obj->mask);
- } else { // PIN_INPUT
- return (*obj->reg_in & obj->mask);
- }
-}
-
-#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/pwmout_api.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,193 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#include "pwmout_api.h"
-
-#if DEVICE_PWMOUT
-
-#include "cmsis.h"
-#include "pinmap.h"
-#include "mbed_error.h"
-#include "PeripheralPins.h"
-
-static TIM_HandleTypeDef TimHandle;
-
-void pwmout_init(pwmout_t* obj, PinName pin)
-{
- // Get the peripheral name from the pin and assign it to the object
- obj->pwm = (PWMName)pinmap_peripheral(pin, PinMap_PWM);
-
- if (obj->pwm == (PWMName)NC) {
- error("PWM error: pinout mapping failed.");
- }
-
- // Enable TIM clock
- if (obj->pwm == PWM_2) __TIM2_CLK_ENABLE();
-#if defined(TIM3_BASE)
- if (obj->pwm == PWM_3) __TIM3_CLK_ENABLE();
-#endif
- if (obj->pwm == PWM_21) __TIM21_CLK_ENABLE();
- if (obj->pwm == PWM_22) __TIM22_CLK_ENABLE();
-
- // Configure GPIO
- pinmap_pinout(pin, PinMap_PWM);
-
- obj->pin = pin;
- obj->period = 0;
- obj->pulse = 0;
-
- pwmout_period_us(obj, 20000); // 20 ms per default
-}
-
-void pwmout_free(pwmout_t* obj)
-{
- // Configure GPIO
- pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
-}
-
-void pwmout_write(pwmout_t* obj, float value)
-{
- TIM_OC_InitTypeDef sConfig;
- int channel = 0;
-
- TimHandle.Instance = (TIM_TypeDef *)(obj->pwm);
-
- if (value < (float)0.0) {
- value = 0.0;
- } else if (value > (float)1.0) {
- value = 1.0;
- }
-
- obj->pulse = (uint32_t)((float)obj->period * value);
-
- // Configure channels
- sConfig.OCMode = TIM_OCMODE_PWM1;
- sConfig.Pulse = obj->pulse;
- sConfig.OCPolarity = TIM_OCPOLARITY_HIGH;
- sConfig.OCFastMode = TIM_OCFAST_ENABLE;
-
- switch (obj->pin) {
- // Channels 1
- case PA_0:
- case PA_5:
- case PA_6:
- case PA_15:
- case PB_4:
- case PC_6:
- channel = TIM_CHANNEL_1;
- break;
- // Channels 2
- case PA_1:
- case PA_7:
- case PB_3:
- case PB_5:
- case PC_7:
- channel = TIM_CHANNEL_2;
- break;
- // Channels 3
- case PA_2:
- case PB_0:
- case PB_10:
- case PC_8:
- channel = TIM_CHANNEL_3;
- break;
- // Channels 4
- case PA_3:
- case PB_1:
- case PB_11:
- case PC_9:
- channel = TIM_CHANNEL_4;
- break;
- default:
- return;
- }
-
- HAL_TIM_PWM_ConfigChannel(&TimHandle, &sConfig, channel);
- HAL_TIM_PWM_Start(&TimHandle, channel);
-}
-
-float pwmout_read(pwmout_t* obj)
-{
- float value = 0;
- if (obj->period > 0) {
- value = (float)(obj->pulse) / (float)(obj->period);
- }
- return ((value > (float)1.0) ? (float)(1.0) : (value));
-}
-
-void pwmout_period(pwmout_t* obj, float seconds)
-{
- pwmout_period_us(obj, seconds * 1000000.0f);
-}
-
-void pwmout_period_ms(pwmout_t* obj, int ms)
-{
- pwmout_period_us(obj, ms * 1000);
-}
-
-void pwmout_period_us(pwmout_t* obj, int us)
-{
- TimHandle.Instance = (TIM_TypeDef *)(obj->pwm);
-
- float dc = pwmout_read(obj);
-
- __HAL_TIM_DISABLE(&TimHandle);
-
- TimHandle.Init.Period = us - 1;
- TimHandle.Init.Prescaler = (uint16_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
- TimHandle.Init.ClockDivision = 0;
- TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
- HAL_TIM_PWM_Init(&TimHandle);
-
- // Set duty cycle again
- pwmout_write(obj, dc);
-
- // Save for future use
- obj->period = us;
-
- __HAL_TIM_ENABLE(&TimHandle);
-}
-
-void pwmout_pulsewidth(pwmout_t* obj, float seconds)
-{
- pwmout_pulsewidth_us(obj, seconds * 1000000.0f);
-}
-
-void pwmout_pulsewidth_ms(pwmout_t* obj, int ms)
-{
- pwmout_pulsewidth_us(obj, ms * 1000);
-}
-
-void pwmout_pulsewidth_us(pwmout_t* obj, int us)
-{
- float value = (float)us / (float)obj->period;
- pwmout_write(obj, value);
-}
-
-#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/rtc_api.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,203 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#include "rtc_api.h"
-
-#if DEVICE_RTC
-
-#include "mbed_error.h"
-
-static int rtc_inited = 0;
-
-static RTC_HandleTypeDef RtcHandle;
-
-void rtc_init(void)
-{
- RCC_OscInitTypeDef RCC_OscInitStruct;
- uint32_t rtc_freq = 0;
-
- if (rtc_inited) return;
- rtc_inited = 1;
-
- RtcHandle.Instance = RTC;
-
- // Enable Power clock
- __PWR_CLK_ENABLE();
-
- // Enable access to Backup domain
- HAL_PWR_EnableBkUpAccess();
-
- // Reset Backup domain
- __HAL_RCC_BACKUPRESET_FORCE();
- __HAL_RCC_BACKUPRESET_RELEASE();
-
- // Enable LSE Oscillator
- RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE;
- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured!
- RCC_OscInitStruct.LSEState = RCC_LSE_ON; // External 32.768 kHz clock on OSC_IN/OSC_OUT
- if (HAL_RCC_OscConfig(&RCC_OscInitStruct) == HAL_OK) {
- // Connect LSE to RTC
- __HAL_RCC_RTC_CLKPRESCALER(RCC_RTCCLKSOURCE_LSE);
- __HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSE);
- rtc_freq = LSE_VALUE;
- } else {
- // Enable LSI clock
- RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured!
- RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
- RCC_OscInitStruct.LSIState = RCC_LSI_ON;
- if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
- error("RTC error: LSI clock initialization failed.");
- }
- // Connect LSI to RTC
- __HAL_RCC_RTC_CLKPRESCALER(RCC_RTCCLKSOURCE_LSI);
- __HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSI);
- // This value is LSI typical value. To be measured precisely using a timer input capture for example.
- rtc_freq = 32000;
- }
-
- // Enable RTC
- __HAL_RCC_RTC_ENABLE();
-
- RtcHandle.Init.HourFormat = RTC_HOURFORMAT_24;
- RtcHandle.Init.AsynchPrediv = 127;
- RtcHandle.Init.SynchPrediv = (rtc_freq / 128) - 1;
- RtcHandle.Init.OutPut = RTC_OUTPUT_DISABLE;
- RtcHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
- RtcHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
-
- if (HAL_RTC_Init(&RtcHandle) != HAL_OK) {
- error("RTC error: RTC initialization failed.");
- }
-}
-
-void rtc_free(void)
-{
- // Enable Power clock
- __PWR_CLK_ENABLE();
-
- // Enable access to Backup domain
- HAL_PWR_EnableBkUpAccess();
-
- // Reset Backup domain
- __HAL_RCC_BACKUPRESET_FORCE();
- __HAL_RCC_BACKUPRESET_RELEASE();
-
- // Disable access to Backup domain
- HAL_PWR_DisableBkUpAccess();
-
- // Disable LSI and LSE clocks
- RCC_OscInitTypeDef RCC_OscInitStruct;
- RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
- RCC_OscInitStruct.LSIState = RCC_LSI_OFF;
- RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
- HAL_RCC_OscConfig(&RCC_OscInitStruct);
-
- rtc_inited = 0;
-}
-
-int rtc_isenabled(void)
-{
- return rtc_inited;
-}
-
-/*
- RTC Registers
- RTC_WeekDay 1=monday, 2=tuesday, ..., 7=sunday
- RTC_Month 1=january, 2=february, ..., 12=december
- RTC_Date day of the month 1-31
- RTC_Year year 0-99
- struct tm
- tm_sec seconds after the minute 0-61
- tm_min minutes after the hour 0-59
- tm_hour hours since midnight 0-23
- tm_mday day of the month 1-31
- tm_mon months since January 0-11
- tm_year years since 1900
- tm_wday days since Sunday 0-6
- tm_yday days since January 1 0-365
- tm_isdst Daylight Saving Time flag
-*/
-time_t rtc_read(void)
-{
- RTC_DateTypeDef dateStruct;
- RTC_TimeTypeDef timeStruct;
- struct tm timeinfo;
-
- RtcHandle.Instance = RTC;
-
- // Read actual date and time
- // Warning: the time must be read first!
- HAL_RTC_GetTime(&RtcHandle, &timeStruct, FORMAT_BIN);
- HAL_RTC_GetDate(&RtcHandle, &dateStruct, FORMAT_BIN);
-
- // Setup a tm structure based on the RTC
- timeinfo.tm_wday = dateStruct.WeekDay;
- timeinfo.tm_mon = dateStruct.Month - 1;
- timeinfo.tm_mday = dateStruct.Date;
- timeinfo.tm_year = dateStruct.Year + 100;
- timeinfo.tm_hour = timeStruct.Hours;
- timeinfo.tm_min = timeStruct.Minutes;
- timeinfo.tm_sec = timeStruct.Seconds;
-
- // Convert to timestamp
- time_t t = mktime(&timeinfo);
-
- return t;
-}
-
-void rtc_write(time_t t)
-{
- RTC_DateTypeDef dateStruct;
- RTC_TimeTypeDef timeStruct;
-
- RtcHandle.Instance = RTC;
-
- // Convert the time into a tm
- struct tm *timeinfo = localtime(&t);
-
- // Fill RTC structures
- dateStruct.WeekDay = timeinfo->tm_wday;
- dateStruct.Month = timeinfo->tm_mon + 1;
- dateStruct.Date = timeinfo->tm_mday;
- dateStruct.Year = timeinfo->tm_year - 100;
- timeStruct.Hours = timeinfo->tm_hour;
- timeStruct.Minutes = timeinfo->tm_min;
- timeStruct.Seconds = timeinfo->tm_sec;
- timeStruct.TimeFormat = RTC_HOURFORMAT12_PM;
- timeStruct.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
- timeStruct.StoreOperation = RTC_STOREOPERATION_RESET;
-
- // Change the RTC current date/time
- HAL_RTC_SetDate(&RtcHandle, &dateStruct, FORMAT_BIN);
- HAL_RTC_SetTime(&RtcHandle, &timeStruct, FORMAT_BIN);
-}
-
-#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/serial_api.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,406 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#include "mbed_assert.h"
-#include "serial_api.h"
-
-#if DEVICE_SERIAL
-
-#include "cmsis.h"
-#include "pinmap.h"
-#include <string.h>
-#include "PeripheralPins.h"
-
-#define UART_NUM (5)
-
-static uint32_t serial_irq_ids[UART_NUM] = {0, 0, 0, 0, 0};
-
-static uart_irq_handler irq_handler;
-
-UART_HandleTypeDef UartHandle;
-
-int stdio_uart_inited = 0;
-serial_t stdio_uart;
-
-static void init_uart(serial_t *obj)
-{
- UartHandle.Instance = (USART_TypeDef *)(obj->uart);
-
- if (obj->uart == LPUART_1) {
- UartHandle.Init.BaudRate = obj->baudrate >> 1;
- } else {
- UartHandle.Init.BaudRate = obj->baudrate;
- }
- UartHandle.Init.WordLength = obj->databits;
- UartHandle.Init.StopBits = obj->stopbits;
- UartHandle.Init.Parity = obj->parity;
- UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE;
-
- if (obj->pin_rx == NC) {
- UartHandle.Init.Mode = UART_MODE_TX;
- } else if (obj->pin_tx == NC) {
- UartHandle.Init.Mode = UART_MODE_RX;
- } else {
- UartHandle.Init.Mode = UART_MODE_TX_RX;
- }
-
- // Disable the reception overrun detection
- UartHandle.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_RXOVERRUNDISABLE_INIT;
- UartHandle.AdvancedInit.OverrunDisable = UART_ADVFEATURE_OVERRUN_DISABLE;
-
- HAL_UART_Init(&UartHandle);
-}
-
-void serial_init(serial_t *obj, PinName tx, PinName rx)
-{
- // Determine the UART to use (UART_1, UART_2, ...)
- UARTName uart_tx = (UARTName)pinmap_peripheral(tx, PinMap_UART_TX);
- UARTName uart_rx = (UARTName)pinmap_peripheral(rx, PinMap_UART_RX);
-
- // Get the peripheral name (UART_1, UART_2, ...) from the pin and assign it to the object
- obj->uart = (UARTName)pinmap_merge(uart_tx, uart_rx);
- MBED_ASSERT(obj->uart != (UARTName)NC);
-
- // Enable UART clock
- if (obj->uart == UART_1) {
- __HAL_RCC_USART1_CLK_ENABLE();
- obj->index = 0;
- }
-
- if (obj->uart == UART_2) {
- __HAL_RCC_USART2_CLK_ENABLE();
- obj->index = 1;
- }
-
- if (obj->uart == LPUART_1) {
- __HAL_RCC_LPUART1_CLK_ENABLE();
- obj->index = 2;
- }
-
-#if defined(USART4_BASE)
- if (obj->uart == UART_4) {
- __HAL_RCC_USART4_CLK_ENABLE();
- obj->index = 3;
- }
-#endif
-
-#if defined(USART5_BASE)
- if (obj->uart == UART_5) {
- __HAL_RCC_USART5_CLK_ENABLE();
- obj->index = 4;
- }
-#endif
-
- // Configure the UART pins
- pinmap_pinout(tx, PinMap_UART_TX);
- pinmap_pinout(rx, PinMap_UART_RX);
- if (tx != NC) {
- pin_mode(tx, PullUp);
- }
- if (rx != NC) {
- pin_mode(rx, PullUp);
- }
-
- // Configure UART
- obj->baudrate = 9600;
- obj->databits = UART_WORDLENGTH_8B;
- obj->stopbits = UART_STOPBITS_1;
- obj->parity = UART_PARITY_NONE;
- obj->pin_tx = tx;
- obj->pin_rx = rx;
-
- init_uart(obj);
-
- // For stdio management
- if (obj->uart == STDIO_UART) {
- stdio_uart_inited = 1;
- memcpy(&stdio_uart, obj, sizeof(serial_t));
- }
-}
-
-void serial_free(serial_t *obj)
-{
- // Reset UART and disable clock
- if (obj->uart == UART_1) {
- __HAL_RCC_USART1_FORCE_RESET();
- __HAL_RCC_USART1_RELEASE_RESET();
- __HAL_RCC_USART1_CLK_DISABLE();
- }
-
- if (obj->uart == UART_2) {
- __HAL_RCC_USART2_FORCE_RESET();
- __HAL_RCC_USART2_RELEASE_RESET();
- __HAL_RCC_USART2_CLK_DISABLE();
- }
-
- if (obj->uart == LPUART_1) {
- __HAL_RCC_LPUART1_FORCE_RESET();
- __HAL_RCC_LPUART1_RELEASE_RESET();
- __HAL_RCC_LPUART1_CLK_DISABLE();
- }
-
-#if defined(USART4_BASE)
- if (obj->uart == UART_4) {
- __HAL_RCC_USART4_FORCE_RESET();
- __HAL_RCC_USART4_RELEASE_RESET();
- __HAL_RCC_USART4_CLK_DISABLE();
- }
-#endif
-
-#if defined(USART5_BASE)
- if (obj->uart == UART_5) {
- __HAL_RCC_USART5_FORCE_RESET();
- __HAL_RCC_USART5_RELEASE_RESET();
- __HAL_RCC_USART5_CLK_DISABLE();
- }
-#endif
-
- // Configure GPIOs
- pin_function(obj->pin_tx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
- pin_function(obj->pin_rx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
-
- serial_irq_ids[obj->index] = 0;
-}
-
-void serial_baud(serial_t *obj, int baudrate)
-{
- obj->baudrate = baudrate;
- init_uart(obj);
-}
-
-void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits)
-{
- if (data_bits == 9) {
- obj->databits = UART_WORDLENGTH_9B;
- } else {
- obj->databits = UART_WORDLENGTH_8B;
- }
-
- switch (parity) {
- case ParityOdd:
- case ParityForced0:
- obj->parity = UART_PARITY_ODD;
- break;
- case ParityEven:
- case ParityForced1:
- obj->parity = UART_PARITY_EVEN;
- break;
- default: // ParityNone
- obj->parity = UART_PARITY_NONE;
- break;
- }
-
- if (stop_bits == 2) {
- obj->stopbits = UART_STOPBITS_2;
- } else {
- obj->stopbits = UART_STOPBITS_1;
- }
-
- init_uart(obj);
-}
-
-/******************************************************************************
- * INTERRUPTS HANDLING
- ******************************************************************************/
-
-static void uart_irq(UARTName name, int id)
-{
- UartHandle.Instance = (USART_TypeDef *)name;
- if (serial_irq_ids[id] != 0) {
- if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TC) != RESET) {
- irq_handler(serial_irq_ids[id], TxIrq);
- __HAL_UART_CLEAR_IT(&UartHandle, UART_CLEAR_TCF);
- }
- if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) {
- irq_handler(serial_irq_ids[id], RxIrq);
- volatile uint32_t tmpval = UartHandle.Instance->RDR; // Clear RXNE bit
- }
- }
-}
-
-static void uart1_irq(void)
-{
- uart_irq(UART_1, 0);
-}
-
-static void uart2_irq(void)
-{
- uart_irq(UART_2, 1);
-}
-
-static void lpuart1_irq(void)
-{
- uart_irq(LPUART_1, 2);
-}
-
-#if defined(USART4_BASE)
-static void uart4_irq(void)
-{
- uart_irq(UART_4, 3);
-}
-#endif
-
-#if defined(USART5_BASE)
-static void uart5_irq(void)
-{
- uart_irq(UART_5, 4);
-}
-#endif
-
-void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id)
-{
- irq_handler = handler;
- serial_irq_ids[obj->index] = id;
-}
-
-void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable)
-{
- IRQn_Type irq_n = (IRQn_Type)0;
- uint32_t vector = 0;
-
- UartHandle.Instance = (USART_TypeDef *)(obj->uart);
-
- if (obj->uart == UART_1) {
- irq_n = USART1_IRQn;
- vector = (uint32_t)&uart1_irq;
- }
-
- if (obj->uart == UART_2) {
- irq_n = USART2_IRQn;
- vector = (uint32_t)&uart2_irq;
- }
-
- if (obj->uart == LPUART_1) {
- irq_n = RNG_LPUART1_IRQn;
- vector = (uint32_t)&lpuart1_irq;
- }
-
-#if defined(USART4_BASE)
- if (obj->uart == UART_4) {
- irq_n = USART4_5_IRQn;
- vector = (uint32_t)&uart4_irq;
- }
-#endif
-
-#if defined(USART5_BASE)
- if (obj->uart == UART_5) {
- irq_n = USART4_5_IRQn;
- vector = (uint32_t)&uart5_irq;
- }
-#endif
-
- if (enable) {
-
- if (irq == RxIrq) {
- __HAL_UART_ENABLE_IT(&UartHandle, UART_IT_RXNE);
- } else { // TxIrq
- __HAL_UART_ENABLE_IT(&UartHandle, UART_IT_TC);
- }
-
- NVIC_SetVector(irq_n, vector);
- NVIC_EnableIRQ(irq_n);
-
- } else { // disable
-
- int all_disabled = 0;
-
- if (irq == RxIrq) {
- __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_RXNE);
- // Check if TxIrq is disabled too
- if ((UartHandle.Instance->CR1 & USART_CR1_TCIE) == 0) all_disabled = 1;
- } else { // TxIrq
- __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_TC);
- // Check if RxIrq is disabled too
- if ((UartHandle.Instance->CR1 & USART_CR1_RXNEIE) == 0) all_disabled = 1;
- }
-
- if (all_disabled) NVIC_DisableIRQ(irq_n);
-
- }
-}
-
-/******************************************************************************
- * READ/WRITE
- ******************************************************************************/
-
-int serial_getc(serial_t *obj)
-{
- USART_TypeDef *uart = (USART_TypeDef *)(obj->uart);
- while (!serial_readable(obj));
- return (int)(uart->RDR & (uint32_t)0xFF);
-}
-
-void serial_putc(serial_t *obj, int c)
-{
- USART_TypeDef *uart = (USART_TypeDef *)(obj->uart);
- while (!serial_writable(obj));
- uart->TDR = (uint32_t)(c & (uint32_t)0xFF);
-}
-
-int serial_readable(serial_t *obj)
-{
- int status;
- UartHandle.Instance = (USART_TypeDef *)(obj->uart);
- // Check if data is received
- status = ((__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) ? 1 : 0);
- return status;
-}
-
-int serial_writable(serial_t *obj)
-{
- int status;
- UartHandle.Instance = (USART_TypeDef *)(obj->uart);
- // Check if data is transmitted
- status = ((__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TXE) != RESET) ? 1 : 0);
- return status;
-}
-
-void serial_clear(serial_t *obj)
-{
- UartHandle.Instance = (USART_TypeDef *)(obj->uart);
- __HAL_UART_CLEAR_IT(&UartHandle, UART_CLEAR_TCF);
- __HAL_UART_SEND_REQ(&UartHandle, UART_RXDATA_FLUSH_REQUEST);
-}
-
-void serial_pinout_tx(PinName tx)
-{
- pinmap_pinout(tx, PinMap_UART_TX);
-}
-
-void serial_break_set(serial_t *obj)
-{
- UartHandle.Instance = (USART_TypeDef *)(obj->uart);
- __HAL_UART_SEND_REQ(&UartHandle, UART_SENDBREAK_REQUEST);
-}
-
-void serial_break_clear(serial_t *obj)
-{
-}
-
-#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/sleep.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,61 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#include "sleep_api.h"
-
-#if DEVICE_SLEEP
-
-#include "cmsis.h"
-
-static TIM_HandleTypeDef TimMasterHandle;
-
-void sleep(void)
-{
- TimMasterHandle.Instance = TIM21;
-
- // Disable HAL tick interrupt
- __HAL_TIM_DISABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
-
- // Request to enter SLEEP mode
- HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
-
- // Enable HAL tick interrupt
- __HAL_TIM_ENABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
-}
-
-void deepsleep(void)
-{
- // Request to enter STOP mode with regulator in low power mode
- HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
-
- // After wake-up from STOP reconfigure the PLL
- SetSysClock();
-}
-
-#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/spi_api.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,269 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-#include "mbed_assert.h"
-#include "spi_api.h"
-
-#if DEVICE_SPI
-
-#include <math.h>
-#include "cmsis.h"
-#include "pinmap.h"
-#include "PeripheralPins.h"
-
-static SPI_HandleTypeDef SpiHandle;
-
-static void init_spi(spi_t *obj)
-{
- SpiHandle.Instance = (SPI_TypeDef *)(obj->spi);
-
- __HAL_SPI_DISABLE(&SpiHandle);
-
- SpiHandle.Init.Mode = obj->mode;
- SpiHandle.Init.BaudRatePrescaler = obj->br_presc;
- SpiHandle.Init.Direction = SPI_DIRECTION_2LINES;
- SpiHandle.Init.CLKPhase = obj->cpha;
- SpiHandle.Init.CLKPolarity = obj->cpol;
- SpiHandle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLED;
- SpiHandle.Init.CRCPolynomial = 7;
- SpiHandle.Init.DataSize = obj->bits;
- SpiHandle.Init.FirstBit = SPI_FIRSTBIT_MSB;
- SpiHandle.Init.NSS = obj->nss;
- SpiHandle.Init.TIMode = SPI_TIMODE_DISABLED;
-
- HAL_SPI_Init(&SpiHandle);
-
- __HAL_SPI_ENABLE(&SpiHandle);
-}
-
-void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel)
-{
- // Determine the SPI to use
- SPIName spi_mosi = (SPIName)pinmap_peripheral(mosi, PinMap_SPI_MOSI);
- SPIName spi_miso = (SPIName)pinmap_peripheral(miso, PinMap_SPI_MISO);
- SPIName spi_sclk = (SPIName)pinmap_peripheral(sclk, PinMap_SPI_SCLK);
- SPIName spi_ssel = (SPIName)pinmap_peripheral(ssel, PinMap_SPI_SSEL);
-
- SPIName spi_data = (SPIName)pinmap_merge(spi_mosi, spi_miso);
- SPIName spi_cntl = (SPIName)pinmap_merge(spi_sclk, spi_ssel);
-
- obj->spi = (SPIName)pinmap_merge(spi_data, spi_cntl);
- MBED_ASSERT(obj->spi != (SPIName)NC);
-
- // Enable SPI clock
- if (obj->spi == SPI_1) {
- __SPI1_CLK_ENABLE();
- }
- if (obj->spi == SPI_2) {
- __SPI2_CLK_ENABLE();
- }
-
- // Configure the SPI pins
- pinmap_pinout(mosi, PinMap_SPI_MOSI);
- pinmap_pinout(miso, PinMap_SPI_MISO);
- pinmap_pinout(sclk, PinMap_SPI_SCLK);
-
- // Save new values
- obj->bits = SPI_DATASIZE_8BIT;
- obj->cpol = SPI_POLARITY_LOW;
- obj->cpha = SPI_PHASE_1EDGE;
- obj->br_presc = SPI_BAUDRATEPRESCALER_256;
-
- obj->pin_miso = miso;
- obj->pin_mosi = mosi;
- obj->pin_sclk = sclk;
- obj->pin_ssel = ssel;
-
- if (ssel == NC) { // SW NSS Master mode
- obj->mode = SPI_MODE_MASTER;
- obj->nss = SPI_NSS_SOFT;
- } else { // Slave
- pinmap_pinout(ssel, PinMap_SPI_SSEL);
- obj->mode = SPI_MODE_SLAVE;
- obj->nss = SPI_NSS_HARD_INPUT;
- }
-
- init_spi(obj);
-}
-
-void spi_free(spi_t *obj)
-{
- // Reset SPI and disable clock
- if (obj->spi == SPI_1) {
- __SPI1_FORCE_RESET();
- __SPI1_RELEASE_RESET();
- __SPI1_CLK_DISABLE();
- }
-
- if (obj->spi == SPI_2) {
- __SPI2_FORCE_RESET();
- __SPI2_RELEASE_RESET();
- __SPI2_CLK_DISABLE();
- }
-
- // Configure GPIO
- pin_function(obj->pin_miso, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
- pin_function(obj->pin_mosi, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
- pin_function(obj->pin_sclk, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
- pin_function(obj->pin_ssel, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
-}
-
-void spi_format(spi_t *obj, int bits, int mode, int slave)
-{
- // Save new values
- if (bits == 16) {
- obj->bits = SPI_DATASIZE_16BIT;
- } else {
- obj->bits = SPI_DATASIZE_8BIT;
- }
-
- switch (mode) {
- case 0:
- obj->cpol = SPI_POLARITY_LOW;
- obj->cpha = SPI_PHASE_1EDGE;
- break;
- case 1:
- obj->cpol = SPI_POLARITY_LOW;
- obj->cpha = SPI_PHASE_2EDGE;
- break;
- case 2:
- obj->cpol = SPI_POLARITY_HIGH;
- obj->cpha = SPI_PHASE_1EDGE;
- break;
- default:
- obj->cpol = SPI_POLARITY_HIGH;
- obj->cpha = SPI_PHASE_2EDGE;
- break;
- }
-
- if (slave == 0) {
- obj->mode = SPI_MODE_MASTER;
- obj->nss = SPI_NSS_SOFT;
- } else {
- obj->mode = SPI_MODE_SLAVE;
- obj->nss = SPI_NSS_HARD_INPUT;
- }
-
- init_spi(obj);
-}
-
-void spi_frequency(spi_t *obj, int hz)
-{
- // Note: The frequencies are obtained with SPI1 clock = 32 MHz (APB2 clock)
- if (hz < 250000) {
- obj->br_presc = SPI_BAUDRATEPRESCALER_256; // 125 kHz
- } else if ((hz >= 250000) && (hz < 500000)) {
- obj->br_presc = SPI_BAUDRATEPRESCALER_128; // 250 kHz
- } else if ((hz >= 500000) && (hz < 1000000)) {
- obj->br_presc = SPI_BAUDRATEPRESCALER_64; // 500 kHz
- } else if ((hz >= 1000000) && (hz < 2000000)) {
- obj->br_presc = SPI_BAUDRATEPRESCALER_32; // 1 MHz
- } else if ((hz >= 2000000) && (hz < 4000000)) {
- obj->br_presc = SPI_BAUDRATEPRESCALER_16; // 2 MHz
- } else if ((hz >= 4000000) && (hz < 8000000)) {
- obj->br_presc = SPI_BAUDRATEPRESCALER_8; // 4 MHz
- } else if ((hz >= 8000000) && (hz < 16000000)) {
- obj->br_presc = SPI_BAUDRATEPRESCALER_4; // 8 MHz
- } else { // >= 16000000
- obj->br_presc = SPI_BAUDRATEPRESCALER_2; // 16 MHz
- }
- init_spi(obj);
-}
-
-static inline int ssp_readable(spi_t *obj)
-{
- int status;
- SpiHandle.Instance = (SPI_TypeDef *)(obj->spi);
- // Check if data is received
- status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_RXNE) != RESET) ? 1 : 0);
- return status;
-}
-
-static inline int ssp_writeable(spi_t *obj)
-{
- int status;
- SpiHandle.Instance = (SPI_TypeDef *)(obj->spi);
- // Check if data is transmitted
- status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_TXE) != RESET) ? 1 : 0);
- return status;
-}
-
-static inline void ssp_write(spi_t *obj, int value)
-{
- SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi);
- while (!ssp_writeable(obj));
- spi->DR = (uint16_t)value;
-}
-
-static inline int ssp_read(spi_t *obj)
-{
- SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi);
- while (!ssp_readable(obj));
- return (int)spi->DR;
-}
-
-static inline int ssp_busy(spi_t *obj)
-{
- int status;
- SpiHandle.Instance = (SPI_TypeDef *)(obj->spi);
- status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_BSY) != RESET) ? 1 : 0);
- return status;
-}
-
-int spi_master_write(spi_t *obj, int value)
-{
- ssp_write(obj, value);
- return ssp_read(obj);
-}
-
-int spi_slave_receive(spi_t *obj)
-{
- return (ssp_readable(obj) ? 1 : 0);
-};
-
-int spi_slave_read(spi_t *obj)
-{
- SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi);
- while (!ssp_readable(obj));
- return (int)spi->DR;
-}
-
-void spi_slave_write(spi_t *obj, int value)
-{
- SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi);
- while (!ssp_writeable(obj));
- spi->DR = (uint16_t)value;
-}
-
-int spi_busy(spi_t *obj)
-{
- return ssp_busy(obj);
-}
-
-#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/us_ticker.c Fri Mar 13 10:45:07 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,113 +0,0 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#include <stddef.h>
-#include "us_ticker_api.h"
-#include "PeripheralNames.h"
-
-// Timer selection
-#define TIM_MST TIM21
-
-static TIM_HandleTypeDef TimMasterHandle;
-static int us_ticker_inited = 0;
-
-volatile uint32_t SlaveCounter = 0;
-volatile uint32_t oc_int_part = 0;
-volatile uint16_t oc_rem_part = 0;
-
-void set_compare(uint16_t count)
-{
- TimMasterHandle.Instance = TIM_MST;
- // Set new output compare value
- __HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, count);
- // Enable IT
- __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1);
-}
-
-void us_ticker_init(void)
-{
- if (us_ticker_inited) return;
- us_ticker_inited = 1;
-
- HAL_InitTick(0); // The passed value is not used
-}
-
-uint32_t us_ticker_read()
-{
- uint32_t counter, counter2;
- if (!us_ticker_inited) us_ticker_init();
- // A situation might appear when Master overflows right after Slave is read and before the
- // new (overflowed) value of Master is read. Which would make the code below consider the
- // previous (incorrect) value of Slave and the new value of Master, which would return a
- // value in the past. Avoid this by computing consecutive values of the timer until they
- // are properly ordered.
- counter = (uint32_t)(SlaveCounter << 16);
- counter += TIM_MST->CNT;
- while (1) {
- counter2 = (uint32_t)(SlaveCounter << 16);
- counter2 += TIM_MST->CNT;
- if (counter2 > counter) {
- break;
- }
- counter = counter2;
- }
- return counter2;
-}
-
-void us_ticker_set_interrupt(timestamp_t timestamp)
-{
- int delta = (int)((uint32_t)timestamp - us_ticker_read());
- uint16_t cval = TIM_MST->CNT;
-
- if (delta <= 0) { // This event was in the past
- us_ticker_irq_handler();
- } else {
- oc_int_part = (uint32_t)(delta >> 16);
- oc_rem_part = (uint16_t)(delta & 0xFFFF);
- if (oc_rem_part <= (0xFFFF - cval)) {
- set_compare(cval + oc_rem_part);
- oc_rem_part = 0;
- } else {
- set_compare(0xFFFF);
- oc_rem_part = oc_rem_part - (0xFFFF - cval);
- }
- }
-}
-
-void us_ticker_disable_interrupt(void)
-{
- TimMasterHandle.Instance = TIM_MST;
- __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1);
-}
-
-void us_ticker_clear_interrupt(void)
-{
- TimMasterHandle.Instance = TIM_MST;
- if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
- __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC1);
- }
-}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32L0/PeripheralPins.h Mon Mar 16 09:45:08 2015 +0000 @@ -0,0 +1,66 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ + +#ifndef MBED_PERIPHERALPINS_H +#define MBED_PERIPHERALPINS_H + +#include "pinmap.h" +#include "PeripheralNames.h" + +//*** ADC *** + +extern const PinMap PinMap_ADC[]; + +//*** DAC *** + +extern const PinMap PinMap_DAC[]; + +//*** I2C *** + +extern const PinMap PinMap_I2C_SDA[]; +extern const PinMap PinMap_I2C_SCL[]; + +//*** PWM *** + +extern const PinMap PinMap_PWM[]; + +//*** SERIAL *** + +extern const PinMap PinMap_UART_TX[]; +extern const PinMap PinMap_UART_RX[]; + +//*** SPI *** + +extern const PinMap PinMap_SPI_MOSI[]; +extern const PinMap PinMap_SPI_MISO[]; +extern const PinMap PinMap_SPI_SCLK[]; +extern const PinMap PinMap_SPI_SSEL[]; + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/TARGET_DISCO_L053C8/PeripheralNames.h Mon Mar 16 09:45:08 2015 +0000
@@ -0,0 +1,77 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+#ifndef MBED_PERIPHERALNAMES_H
+#define MBED_PERIPHERALNAMES_H
+
+#include "cmsis.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+ ADC_1 = (int)ADC1_BASE
+} ADCName;
+
+typedef enum {
+ DAC_1 = (int)DAC_BASE
+} DACName;
+
+typedef enum {
+ UART_1 = (int)USART1_BASE,
+ UART_2 = (int)USART2_BASE,
+ LPUART_1 = (int)LPUART1_BASE
+} UARTName;
+
+#define STDIO_UART_TX PA_9
+#define STDIO_UART_RX PA_10
+#define STDIO_UART UART_1
+
+typedef enum {
+ SPI_1 = (int)SPI1_BASE,
+ SPI_2 = (int)SPI2_BASE
+} SPIName;
+
+typedef enum {
+ I2C_1 = (int)I2C1_BASE,
+ I2C_2 = (int)I2C2_BASE
+} I2CName;
+
+typedef enum {
+ PWM_2 = (int)TIM2_BASE,
+ PWM_21 = (int)TIM21_BASE,
+ PWM_22 = (int)TIM22_BASE
+} PWMName;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/TARGET_DISCO_L053C8/PeripheralPins.c Mon Mar 16 09:45:08 2015 +0000
@@ -0,0 +1,170 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+
+#include "PeripheralPins.h"
+
+// =====
+// Note: Commented lines are alternative possibilities which are not used per default.
+// If you change them, you will have also to modify the corresponding xxx_api.c file
+// for pwmout, analogin, analogout, ...
+// =====
+
+//*** ADC ***
+
+const PinMap PinMap_ADC[] = {
+ {PA_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN0
+ {PA_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN1
+ {PA_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN2
+ {PA_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN3
+ {PA_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN4
+ {PA_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN5
+ {PA_6, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN6
+ {PA_7, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN7
+ {PB_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN8
+ {PB_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN9
+ {PC_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN10
+ {PC_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN11
+ {PC_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN12
+ {PC_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN13
+ {PC_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN14
+ {PC_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN15
+ {NC, NC, 0}
+};
+
+//*** DAC ***
+
+const PinMap PinMap_DAC[] = {
+ {PA_4, DAC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // DAC_OUT
+ {NC, NC, 0}
+};
+
+//*** I2C ***
+
+const PinMap PinMap_I2C_SDA[] = {
+ {PB_7, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)},
+ {PB_9, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)},
+ {PB_11, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF6_I2C2)},
+ {PB_14, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C2)},
+ {NC, NC, 0}
+};
+
+const PinMap PinMap_I2C_SCL[] = {
+ {PB_6, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)},
+ {PB_8, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)},
+ {PB_10, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF6_I2C2)},
+ {PB_13, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C2)},
+ {NC, NC, 0}
+};
+
+//*** PWM ***
+
+// TIM21 cannot be used because already used by the us_ticker
+const PinMap PinMap_PWM[] = {
+ {PA_0, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH1
+ {PA_1, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH2
+// {PA_2, PWM_21, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM21)}, // TIM21_CH1
+// {PA_2, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH3 - used by STDIO TX
+// {PA_3, PWM_21, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM21)}, // TIM21_CH2
+// {PA_3, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH4 - used by STDIO RX
+ {PA_5, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM2)}, // TIM2_CH1 - used also to drive the LED
+ {PA_6, PWM_22, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM22)}, // TIM22_CH1
+ {PA_7, PWM_22, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM22)}, // TIM22_CH2
+ {PA_15, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM2)}, // TIM2_CH1
+ {PB_3, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH2
+ {PB_4, PWM_22, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM22)}, // TIM22_CH1
+ {PB_5, PWM_22, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM22)}, // TIM22_CH2
+ {PB_10, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH3
+ {PB_11, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH4
+// {PB_13, PWM_21, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_TIM21)}, // TIM21_CH1
+// {PB_14, PWM_21, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_TIM21)}, // TIM21_CH2
+ {PC_6, PWM_22, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM22)}, // TIM22_CH1
+ {PC_7, PWM_22, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM22)}, // TIM22_CH2
+ {NC, NC, 0}
+};
+
+//*** SERIAL ***
+
+const PinMap PinMap_UART_TX[] = {
+ {PA_2, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART2)},
+ {PA_9, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART1)},
+ {PA_14, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART2)}, // Warning: this pin is used by SWCLK
+ {PB_6, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)},
+ {PB_10, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_LPUART1)},
+ {PC_4, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_LPUART1)},
+ {PC_10, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_LPUART1)},
+ {NC, NC, 0}
+};
+
+const PinMap PinMap_UART_RX[] = {
+ {PA_3, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART2)},
+ {PA_10, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART1)},
+ {PA_15, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART2)},
+ {PB_7, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)},
+ {PB_11, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_LPUART1)},
+ {PC_5, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_LPUART1)},
+ {PC_11, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_LPUART1)},
+ {NC, NC, 0}
+};
+
+//*** SPI ***
+
+const PinMap PinMap_SPI_MOSI[] = {
+ {PA_7, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PA_12, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PB_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PB_15, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
+ {PC_3, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_SPI2)},
+ {NC, NC, 0}
+};
+
+const PinMap PinMap_SPI_MISO[] = {
+ {PA_6, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PA_11, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PB_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PB_14, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
+ {PC_2, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_SPI2)},
+ {NC, NC, 0}
+};
+
+const PinMap PinMap_SPI_SCLK[] = {
+ {PA_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PB_3, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PB_10, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
+ {PB_13, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
+ {NC, NC, 0}
+};
+
+const PinMap PinMap_SPI_SSEL[] = {
+ {PA_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PA_15, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PB_9, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
+ {PB_12, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
+ {NC, NC, 0}
+};
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/TARGET_DISCO_L053C8/PinNames.h Mon Mar 16 09:45:08 2015 +0000
@@ -0,0 +1,183 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+#ifndef MBED_PINNAMES_H
+#define MBED_PINNAMES_H
+
+#include "cmsis.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// See stm32l0xx_hal_gpio.h and stm32l0xx_hal_gpio_ex.h for values of MODE, PUPD and AFNUM
+#define STM_PIN_DATA(MODE, PUPD, AFNUM) ((int)(((AFNUM) << 7) | ((PUPD) << 4) | ((MODE) << 0)))
+#define STM_PIN_MODE(X) (((X) >> 0) & 0x0F)
+#define STM_PIN_PUPD(X) (((X) >> 4) & 0x07)
+#define STM_PIN_AFNUM(X) (((X) >> 7) & 0x0F)
+#define STM_MODE_INPUT (0)
+#define STM_MODE_OUTPUT_PP (1)
+#define STM_MODE_OUTPUT_OD (2)
+#define STM_MODE_AF_PP (3)
+#define STM_MODE_AF_OD (4)
+#define STM_MODE_ANALOG (5)
+#define STM_MODE_IT_RISING (6)
+#define STM_MODE_IT_FALLING (7)
+#define STM_MODE_IT_RISING_FALLING (8)
+#define STM_MODE_EVT_RISING (9)
+#define STM_MODE_EVT_FALLING (10)
+#define STM_MODE_EVT_RISING_FALLING (11)
+#define STM_MODE_IT_EVT_RESET (12)
+
+// High nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, 6=G, 7=H)
+// Low nibble = pin number
+#define STM_PORT(X) (((uint32_t)(X) >> 4) & 0xF)
+#define STM_PIN(X) ((uint32_t)(X) & 0xF)
+
+typedef enum {
+ PIN_INPUT,
+ PIN_OUTPUT
+} PinDirection;
+
+typedef enum {
+ PA_0 = 0x00,
+ PA_1 = 0x01,
+ PA_2 = 0x02,
+ PA_3 = 0x03,
+ PA_4 = 0x04,
+ PA_5 = 0x05,
+ PA_6 = 0x06,
+ PA_7 = 0x07,
+ PA_8 = 0x08,
+ PA_9 = 0x09,
+ PA_10 = 0x0A,
+ PA_11 = 0x0B,
+ PA_12 = 0x0C,
+ PA_13 = 0x0D,
+ PA_14 = 0x0E,
+ PA_15 = 0x0F,
+
+ PB_0 = 0x10,
+ PB_1 = 0x11,
+ PB_2 = 0x12,
+ PB_3 = 0x13,
+ PB_4 = 0x14,
+ PB_5 = 0x15,
+ PB_6 = 0x16,
+ PB_7 = 0x17,
+ PB_8 = 0x18,
+ PB_9 = 0x19,
+ PB_10 = 0x1A,
+ PB_11 = 0x1B,
+ PB_12 = 0x1C,
+ PB_13 = 0x1D,
+ PB_14 = 0x1E,
+ PB_15 = 0x1F,
+
+ PC_0 = 0x20,
+ PC_1 = 0x21,
+ PC_2 = 0x22,
+ PC_3 = 0x23,
+ PC_4 = 0x24,
+ PC_5 = 0x25,
+ PC_6 = 0x26,
+ PC_7 = 0x27,
+ PC_8 = 0x28,
+ PC_9 = 0x29,
+ PC_10 = 0x2A,
+ PC_11 = 0x2B,
+ PC_12 = 0x2C,
+ PC_13 = 0x2D,
+ PC_14 = 0x2E,
+ PC_15 = 0x2F,
+
+ PD_2 = 0x32,
+
+ PH_0 = 0x70,
+ PH_1 = 0x71,
+
+ // Arduino connector namings
+ A0 = PA_0,
+ A1 = PA_1,
+ A2 = PA_4,
+ A3 = PB_0,
+ A4 = PC_1,
+ A5 = PC_0,
+ D0 = PA_3,
+ D1 = PA_2,
+ D2 = PA_10,
+ D3 = PB_3,
+ D4 = PB_5,
+ D5 = PB_4,
+ D6 = PB_10,
+ D7 = PA_8,
+ D8 = PA_9,
+ D9 = PC_7,
+ D10 = PB_6,
+ D11 = PA_7,
+ D12 = PA_6,
+ D13 = PA_5,
+ D14 = PB_9,
+ D15 = PB_8,
+
+ // Generic signals namings
+ LED1 = PB_4,
+ LED2 = PA_5,
+ LED3 = PB_4,
+ LED4 = PA_5,
+ USER_BUTTON = PA_0,
+ SERIAL_TX = PA_9,
+ SERIAL_RX = PA_10,
+ USBTX = PA_9,
+ USBRX = PA_10,
+ I2C_SCL = PB_8,
+ I2C_SDA = PB_9,
+ SPI_MOSI = PB_14,
+ SPI_MISO = PB_15,
+ SPI_SCK = PB_13,
+ SPI_CS = PB_12,
+ PWM_OUT = PB_3,
+
+ // Not connected
+ NC = (int)0xFFFFFFFF
+} PinName;
+
+typedef enum {
+ PullNone = 0,
+ PullUp = 1,
+ PullDown = 2,
+ OpenDrain = 3,
+ PullDefault = PullNone
+} PinMode;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/TARGET_DISCO_L053C8/PortNames.h Mon Mar 16 09:45:08 2015 +0000
@@ -0,0 +1,48 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+#ifndef MBED_PORTNAMES_H
+#define MBED_PORTNAMES_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+ PortA = 0,
+ PortB = 1,
+ PortC = 2,
+ PortD = 3,
+ PortH = 7
+} PortName;
+
+#ifdef __cplusplus
+}
+#endif
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32L0/TARGET_DISCO_L053C8/device.h Mon Mar 16 09:45:08 2015 +0000 @@ -0,0 +1,70 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_DEVICE_H +#define MBED_DEVICE_H + +#define DEVICE_PORTIN 1 +#define DEVICE_PORTOUT 1 +#define DEVICE_PORTINOUT 1 + +#define DEVICE_INTERRUPTIN 1 + +#define DEVICE_ANALOGIN 1 +#define DEVICE_ANALOGOUT 1 + +#define DEVICE_SERIAL 1 + +#define DEVICE_I2C 1 +#define DEVICE_I2CSLAVE 1 + +#define DEVICE_SPI 1 +#define DEVICE_SPISLAVE 1 + +#define DEVICE_RTC 1 + +#define DEVICE_PWMOUT 1 + +#define DEVICE_SLEEP 1 + +//======================================= + +#define DEVICE_SEMIHOST 0 +#define DEVICE_LOCALFILESYSTEM 0 +#define DEVICE_ID_LENGTH 24 + +#define DEVICE_DEBUG_AWARENESS 0 + +#define DEVICE_STDIO_MESSAGES 1 + +#define DEVICE_ERROR_RED 0 + +#include "objects.h" + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/TARGET_DISCO_L053C8/objects.h Mon Mar 16 09:45:08 2015 +0000
@@ -0,0 +1,109 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+#ifndef MBED_OBJECTS_H
+#define MBED_OBJECTS_H
+
+#include "cmsis.h"
+#include "PortNames.h"
+#include "PeripheralNames.h"
+#include "PinNames.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct gpio_irq_s {
+ IRQn_Type irq_n;
+ uint32_t irq_index;
+ uint32_t event;
+ PinName pin;
+};
+
+struct port_s {
+ PortName port;
+ uint32_t mask;
+ PinDirection direction;
+ __IO uint32_t *reg_in;
+ __IO uint32_t *reg_out;
+};
+
+struct analogin_s {
+ ADCName adc;
+ PinName pin;
+};
+
+struct dac_s {
+ DACName dac;
+ PinName pin;
+};
+
+struct serial_s {
+ UARTName uart;
+ int index; // Used by irq
+ uint32_t baudrate;
+ uint32_t databits;
+ uint32_t stopbits;
+ uint32_t parity;
+ PinName pin_tx;
+ PinName pin_rx;
+};
+
+struct spi_s {
+ SPIName spi;
+ uint32_t bits;
+ uint32_t cpol;
+ uint32_t cpha;
+ uint32_t mode;
+ uint32_t nss;
+ uint32_t br_presc;
+ PinName pin_miso;
+ PinName pin_mosi;
+ PinName pin_sclk;
+ PinName pin_ssel;
+};
+
+struct i2c_s {
+ I2CName i2c;
+};
+
+struct pwmout_s {
+ PWMName pwm;
+ PinName pin;
+ uint32_t period;
+ uint32_t pulse;
+};
+
+#include "gpio_object.h"
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/TARGET_DISCO_L053C8/rtc_api.c Mon Mar 16 09:45:08 2015 +0000
@@ -0,0 +1,215 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+#include "rtc_api.h"
+
+/* The mcu STM32L053C8 seems to have a problem in the RCC - LSE hardware block. The Disco_L053 don't have a 32kHz crystal connected to LSE port pins.
+ * During initialization the HAL tests if it can start the LSE oscillator. The Flag LSERDY in RCC_CSR should be set to 1 by RCC clock control when
+ * the oscillator runs stable. Without a crystal the flag shouldn't be set and the HAL trys to start the internal LSI oscillator.
+ * But the flag is also set to 1 without a crystal. That's why the RTC doesn't start.
+ *
+ */
+#define DONT_USE_LSE
+
+#if DEVICE_RTC
+
+#include "mbed_error.h"
+
+static int rtc_inited = 0;
+
+static RTC_HandleTypeDef RtcHandle;
+
+void rtc_init(void)
+{
+ RCC_OscInitTypeDef RCC_OscInitStruct;
+ uint32_t rtc_freq = 0;
+
+ if (rtc_inited) return;
+ rtc_inited = 1;
+
+ RtcHandle.Instance = RTC;
+
+ // Enable Power clock
+ __PWR_CLK_ENABLE();
+
+ // Enable access to Backup domain
+ HAL_PWR_EnableBkUpAccess();
+
+ // Reset Backup domain
+ __HAL_RCC_BACKUPRESET_FORCE();
+ __HAL_RCC_BACKUPRESET_RELEASE();
+
+ // Enable LSE Oscillator
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured!
+ RCC_OscInitStruct.LSEState = RCC_LSE_ON; // External 32.768 kHz clock on OSC_IN/OSC_OUT
+#ifndef DONT_USE_LSE
+ if (HAL_RCC_OscConfig(&RCC_OscInitStruct) == HAL_OK) {
+ // Connect LSE to RTC
+ __HAL_RCC_RTC_CLKPRESCALER(RCC_RTCCLKSOURCE_LSE);
+ __HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSE);
+ rtc_freq = LSE_VALUE;
+ } else {
+#endif
+ // Enable LSI clock
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured!
+ RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
+ RCC_OscInitStruct.LSIState = RCC_LSI_ON;
+ if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
+ error("RTC error: LSI clock initialization failed.");
+ }
+ // Connect LSI to RTC
+ __HAL_RCC_RTC_CLKPRESCALER(RCC_RTCCLKSOURCE_LSI);
+ __HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSI);
+ // This value is LSI typical value. To be measured precisely using a timer input capture for example.
+ rtc_freq = 37000;
+#ifndef DONT_USE_LSE
+ }
+#endif
+
+ // Enable RTC
+ __HAL_RCC_RTC_ENABLE();
+
+ RtcHandle.Init.HourFormat = RTC_HOURFORMAT_24;
+ RtcHandle.Init.AsynchPrediv = 127;
+ RtcHandle.Init.SynchPrediv = (rtc_freq / 128) - 1;
+ RtcHandle.Init.OutPut = RTC_OUTPUT_DISABLE;
+ RtcHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
+ RtcHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
+
+ if (HAL_RTC_Init(&RtcHandle) != HAL_OK) {
+ error("RTC error: RTC initialization failed.");
+ }
+}
+
+void rtc_free(void)
+{
+ // Enable Power clock
+ __PWR_CLK_ENABLE();
+
+ // Enable access to Backup domain
+ HAL_PWR_EnableBkUpAccess();
+
+ // Reset Backup domain
+ __HAL_RCC_BACKUPRESET_FORCE();
+ __HAL_RCC_BACKUPRESET_RELEASE();
+
+ // Disable access to Backup domain
+ HAL_PWR_DisableBkUpAccess();
+
+ // Disable LSI and LSE clocks
+ RCC_OscInitTypeDef RCC_OscInitStruct;
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
+ RCC_OscInitStruct.LSIState = RCC_LSI_OFF;
+ RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
+ HAL_RCC_OscConfig(&RCC_OscInitStruct);
+
+ rtc_inited = 0;
+}
+
+int rtc_isenabled(void)
+{
+ return rtc_inited;
+}
+
+/*
+ RTC Registers
+ RTC_WeekDay 1=monday, 2=tuesday, ..., 7=sunday
+ RTC_Month 1=january, 2=february, ..., 12=december
+ RTC_Date day of the month 1-31
+ RTC_Year year 0-99
+ struct tm
+ tm_sec seconds after the minute 0-61
+ tm_min minutes after the hour 0-59
+ tm_hour hours since midnight 0-23
+ tm_mday day of the month 1-31
+ tm_mon months since January 0-11
+ tm_year years since 1900
+ tm_wday days since Sunday 0-6
+ tm_yday days since January 1 0-365
+ tm_isdst Daylight Saving Time flag
+*/
+time_t rtc_read(void)
+{
+ RTC_DateTypeDef dateStruct;
+ RTC_TimeTypeDef timeStruct;
+ struct tm timeinfo;
+
+ RtcHandle.Instance = RTC;
+
+ // Read actual date and time
+ // Warning: the time must be read first!
+ HAL_RTC_GetTime(&RtcHandle, &timeStruct, FORMAT_BIN);
+ HAL_RTC_GetDate(&RtcHandle, &dateStruct, FORMAT_BIN);
+
+ // Setup a tm structure based on the RTC
+ timeinfo.tm_wday = dateStruct.WeekDay;
+ timeinfo.tm_mon = dateStruct.Month - 1;
+ timeinfo.tm_mday = dateStruct.Date;
+ timeinfo.tm_year = dateStruct.Year + 100;
+ timeinfo.tm_hour = timeStruct.Hours;
+ timeinfo.tm_min = timeStruct.Minutes;
+ timeinfo.tm_sec = timeStruct.Seconds;
+
+ // Convert to timestamp
+ time_t t = mktime(&timeinfo);
+
+ return t;
+}
+
+void rtc_write(time_t t)
+{
+ RTC_DateTypeDef dateStruct;
+ RTC_TimeTypeDef timeStruct;
+
+ RtcHandle.Instance = RTC;
+
+ // Convert the time into a tm
+ struct tm *timeinfo = localtime(&t);
+
+ // Fill RTC structures
+ dateStruct.WeekDay = timeinfo->tm_wday;
+ dateStruct.Month = timeinfo->tm_mon + 1;
+ dateStruct.Date = timeinfo->tm_mday;
+ dateStruct.Year = timeinfo->tm_year - 100;
+ timeStruct.Hours = timeinfo->tm_hour;
+ timeStruct.Minutes = timeinfo->tm_min;
+ timeStruct.Seconds = timeinfo->tm_sec;
+ timeStruct.TimeFormat = RTC_HOURFORMAT12_PM;
+ timeStruct.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
+ timeStruct.StoreOperation = RTC_STOREOPERATION_RESET;
+
+ // Change the RTC current date/time
+ HAL_RTC_SetDate(&RtcHandle, &dateStruct, FORMAT_BIN);
+ HAL_RTC_SetTime(&RtcHandle, &timeStruct, FORMAT_BIN);
+}
+
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L053R8/PeripheralNames.h Mon Mar 16 09:45:08 2015 +0000
@@ -0,0 +1,77 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+#ifndef MBED_PERIPHERALNAMES_H
+#define MBED_PERIPHERALNAMES_H
+
+#include "cmsis.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+ ADC_1 = (int)ADC1_BASE
+} ADCName;
+
+typedef enum {
+ DAC_1 = (int)DAC_BASE
+} DACName;
+
+typedef enum {
+ UART_1 = (int)USART1_BASE,
+ UART_2 = (int)USART2_BASE,
+ LPUART_1 = (int)LPUART1_BASE
+} UARTName;
+
+#define STDIO_UART_TX PA_2
+#define STDIO_UART_RX PA_3
+#define STDIO_UART UART_2
+
+typedef enum {
+ SPI_1 = (int)SPI1_BASE,
+ SPI_2 = (int)SPI2_BASE
+} SPIName;
+
+typedef enum {
+ I2C_1 = (int)I2C1_BASE,
+ I2C_2 = (int)I2C2_BASE
+} I2CName;
+
+typedef enum {
+ PWM_2 = (int)TIM2_BASE,
+ PWM_21 = (int)TIM21_BASE,
+ PWM_22 = (int)TIM22_BASE
+} PWMName;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L053R8/PeripheralPins.c Mon Mar 16 09:45:08 2015 +0000
@@ -0,0 +1,170 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+
+#include "PeripheralPins.h"
+
+// =====
+// Note: Commented lines are alternative possibilities which are not used per default.
+// If you change them, you will have also to modify the corresponding xxx_api.c file
+// for pwmout, analogin, analogout, ...
+// =====
+
+//*** ADC ***
+
+const PinMap PinMap_ADC[] = {
+ {PA_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN0
+ {PA_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN1
+ {PA_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN2
+ {PA_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN3
+ {PA_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN4
+ {PA_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN5
+ {PA_6, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN6
+ {PA_7, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN7
+ {PB_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN8
+ {PB_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN9
+ {PC_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN10
+ {PC_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN11
+ {PC_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN12
+ {PC_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN13
+ {PC_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN14
+ {PC_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN15
+ {NC, NC, 0}
+};
+
+//*** DAC ***
+
+const PinMap PinMap_DAC[] = {
+ {PA_4, DAC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // DAC_OUT
+ {NC, NC, 0}
+};
+
+//*** I2C ***
+
+const PinMap PinMap_I2C_SDA[] = {
+ {PB_7, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)},
+ {PB_9, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)},
+ {PB_11, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF6_I2C2)},
+ {PB_14, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C2)},
+ {NC, NC, 0}
+};
+
+const PinMap PinMap_I2C_SCL[] = {
+ {PB_6, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)},
+ {PB_8, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)},
+ {PB_10, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF6_I2C2)},
+ {PB_13, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C2)},
+ {NC, NC, 0}
+};
+
+//*** PWM ***
+
+// TIM21 cannot be used because already used by the us_ticker
+const PinMap PinMap_PWM[] = {
+ {PA_0, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH1
+ {PA_1, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH2
+// {PA_2, PWM_21, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM21)}, // TIM21_CH1
+// {PA_2, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH3 - used by STDIO TX
+// {PA_3, PWM_21, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM21)}, // TIM21_CH2
+// {PA_3, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH4 - used by STDIO RX
+ {PA_5, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM2)}, // TIM2_CH1 - used also to drive the LED
+ {PA_6, PWM_22, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM22)}, // TIM22_CH1
+ {PA_7, PWM_22, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM22)}, // TIM22_CH2
+ {PA_15, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM2)}, // TIM2_CH1
+ {PB_3, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH2
+ {PB_4, PWM_22, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM22)}, // TIM22_CH1
+ {PB_5, PWM_22, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM22)}, // TIM22_CH2
+ {PB_10, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH3
+ {PB_11, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH4
+// {PB_13, PWM_21, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_TIM21)}, // TIM21_CH1
+// {PB_14, PWM_21, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_TIM21)}, // TIM21_CH2
+ {PC_6, PWM_22, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM22)}, // TIM22_CH1
+ {PC_7, PWM_22, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM22)}, // TIM22_CH2
+ {NC, NC, 0}
+};
+
+//*** SERIAL ***
+
+const PinMap PinMap_UART_TX[] = {
+ {PA_2, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART2)},
+ {PA_9, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART1)},
+ {PA_14, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART2)}, // Warning: this pin is used by SWCLK
+ {PB_6, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)},
+ {PB_10, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_LPUART1)},
+ {PC_4, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_LPUART1)},
+ {PC_10, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_LPUART1)},
+ {NC, NC, 0}
+};
+
+const PinMap PinMap_UART_RX[] = {
+ {PA_3, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART2)},
+ {PA_10, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART1)},
+ {PA_15, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART2)},
+ {PB_7, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)},
+ {PB_11, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_LPUART1)},
+ {PC_5, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_LPUART1)},
+ {PC_11, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_LPUART1)},
+ {NC, NC, 0}
+};
+
+//*** SPI ***
+
+const PinMap PinMap_SPI_MOSI[] = {
+ {PA_7, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PA_12, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PB_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PB_15, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
+ {PC_3, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_SPI2)},
+ {NC, NC, 0}
+};
+
+const PinMap PinMap_SPI_MISO[] = {
+ {PA_6, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PA_11, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PB_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PB_14, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
+ {PC_2, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_SPI2)},
+ {NC, NC, 0}
+};
+
+const PinMap PinMap_SPI_SCLK[] = {
+ {PA_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PB_3, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PB_10, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
+ {PB_13, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
+ {NC, NC, 0}
+};
+
+const PinMap PinMap_SPI_SSEL[] = {
+ {PA_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PA_15, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {PB_9, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
+ {PB_12, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
+ {NC, NC, 0}
+};
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L053R8/PinNames.h Mon Mar 16 09:45:08 2015 +0000
@@ -0,0 +1,183 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+#ifndef MBED_PINNAMES_H
+#define MBED_PINNAMES_H
+
+#include "cmsis.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// See stm32l0xx_hal_gpio.h and stm32l0xx_hal_gpio_ex.h for values of MODE, PUPD and AFNUM
+#define STM_PIN_DATA(MODE, PUPD, AFNUM) ((int)(((AFNUM) << 7) | ((PUPD) << 4) | ((MODE) << 0)))
+#define STM_PIN_MODE(X) (((X) >> 0) & 0x0F)
+#define STM_PIN_PUPD(X) (((X) >> 4) & 0x07)
+#define STM_PIN_AFNUM(X) (((X) >> 7) & 0x0F)
+#define STM_MODE_INPUT (0)
+#define STM_MODE_OUTPUT_PP (1)
+#define STM_MODE_OUTPUT_OD (2)
+#define STM_MODE_AF_PP (3)
+#define STM_MODE_AF_OD (4)
+#define STM_MODE_ANALOG (5)
+#define STM_MODE_IT_RISING (6)
+#define STM_MODE_IT_FALLING (7)
+#define STM_MODE_IT_RISING_FALLING (8)
+#define STM_MODE_EVT_RISING (9)
+#define STM_MODE_EVT_FALLING (10)
+#define STM_MODE_EVT_RISING_FALLING (11)
+#define STM_MODE_IT_EVT_RESET (12)
+
+// High nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, 6=G, 7=H)
+// Low nibble = pin number
+#define STM_PORT(X) (((uint32_t)(X) >> 4) & 0xF)
+#define STM_PIN(X) ((uint32_t)(X) & 0xF)
+
+typedef enum {
+ PIN_INPUT,
+ PIN_OUTPUT
+} PinDirection;
+
+typedef enum {
+ PA_0 = 0x00,
+ PA_1 = 0x01,
+ PA_2 = 0x02,
+ PA_3 = 0x03,
+ PA_4 = 0x04,
+ PA_5 = 0x05,
+ PA_6 = 0x06,
+ PA_7 = 0x07,
+ PA_8 = 0x08,
+ PA_9 = 0x09,
+ PA_10 = 0x0A,
+ PA_11 = 0x0B,
+ PA_12 = 0x0C,
+ PA_13 = 0x0D,
+ PA_14 = 0x0E,
+ PA_15 = 0x0F,
+
+ PB_0 = 0x10,
+ PB_1 = 0x11,
+ PB_2 = 0x12,
+ PB_3 = 0x13,
+ PB_4 = 0x14,
+ PB_5 = 0x15,
+ PB_6 = 0x16,
+ PB_7 = 0x17,
+ PB_8 = 0x18,
+ PB_9 = 0x19,
+ PB_10 = 0x1A,
+ PB_11 = 0x1B,
+ PB_12 = 0x1C,
+ PB_13 = 0x1D,
+ PB_14 = 0x1E,
+ PB_15 = 0x1F,
+
+ PC_0 = 0x20,
+ PC_1 = 0x21,
+ PC_2 = 0x22,
+ PC_3 = 0x23,
+ PC_4 = 0x24,
+ PC_5 = 0x25,
+ PC_6 = 0x26,
+ PC_7 = 0x27,
+ PC_8 = 0x28,
+ PC_9 = 0x29,
+ PC_10 = 0x2A,
+ PC_11 = 0x2B,
+ PC_12 = 0x2C,
+ PC_13 = 0x2D,
+ PC_14 = 0x2E,
+ PC_15 = 0x2F,
+
+ PD_2 = 0x32,
+
+ PH_0 = 0x70,
+ PH_1 = 0x71,
+
+ // Arduino connector namings
+ A0 = PA_0,
+ A1 = PA_1,
+ A2 = PA_4,
+ A3 = PB_0,
+ A4 = PC_1,
+ A5 = PC_0,
+ D0 = PA_3,
+ D1 = PA_2,
+ D2 = PA_10,
+ D3 = PB_3,
+ D4 = PB_5,
+ D5 = PB_4,
+ D6 = PB_10,
+ D7 = PA_8,
+ D8 = PA_9,
+ D9 = PC_7,
+ D10 = PB_6,
+ D11 = PA_7,
+ D12 = PA_6,
+ D13 = PA_5,
+ D14 = PB_9,
+ D15 = PB_8,
+
+ // Generic signals namings
+ LED1 = PA_5,
+ LED2 = PA_5,
+ LED3 = PA_5,
+ LED4 = PA_5,
+ USER_BUTTON = PC_13,
+ SERIAL_TX = PA_2,
+ SERIAL_RX = PA_3,
+ USBTX = PA_2,
+ USBRX = PA_3,
+ I2C_SCL = PB_8,
+ I2C_SDA = PB_9,
+ SPI_MOSI = PA_7,
+ SPI_MISO = PA_6,
+ SPI_SCK = PA_5,
+ SPI_CS = PB_6,
+ PWM_OUT = PB_3,
+
+ // Not connected
+ NC = (int)0xFFFFFFFF
+} PinName;
+
+typedef enum {
+ PullNone = 0,
+ PullUp = 1,
+ PullDown = 2,
+ OpenDrain = 3,
+ PullDefault = PullNone
+} PinMode;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L053R8/PortNames.h Mon Mar 16 09:45:08 2015 +0000
@@ -0,0 +1,48 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+#ifndef MBED_PORTNAMES_H
+#define MBED_PORTNAMES_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+ PortA = 0,
+ PortB = 1,
+ PortC = 2,
+ PortD = 3,
+ PortH = 7
+} PortName;
+
+#ifdef __cplusplus
+}
+#endif
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L053R8/device.h Mon Mar 16 09:45:08 2015 +0000 @@ -0,0 +1,70 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_DEVICE_H +#define MBED_DEVICE_H + +#define DEVICE_PORTIN 1 +#define DEVICE_PORTOUT 1 +#define DEVICE_PORTINOUT 1 + +#define DEVICE_INTERRUPTIN 1 + +#define DEVICE_ANALOGIN 1 +#define DEVICE_ANALOGOUT 1 + +#define DEVICE_SERIAL 1 + +#define DEVICE_I2C 1 +#define DEVICE_I2CSLAVE 1 + +#define DEVICE_SPI 1 +#define DEVICE_SPISLAVE 1 + +#define DEVICE_RTC 1 + +#define DEVICE_PWMOUT 1 + +#define DEVICE_SLEEP 1 + +//======================================= + +#define DEVICE_SEMIHOST 0 +#define DEVICE_LOCALFILESYSTEM 0 +#define DEVICE_ID_LENGTH 24 + +#define DEVICE_DEBUG_AWARENESS 0 + +#define DEVICE_STDIO_MESSAGES 1 + +#define DEVICE_ERROR_RED 0 + +#include "objects.h" + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L053R8/objects.h Mon Mar 16 09:45:08 2015 +0000
@@ -0,0 +1,109 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+#ifndef MBED_OBJECTS_H
+#define MBED_OBJECTS_H
+
+#include "cmsis.h"
+#include "PortNames.h"
+#include "PeripheralNames.h"
+#include "PinNames.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct gpio_irq_s {
+ IRQn_Type irq_n;
+ uint32_t irq_index;
+ uint32_t event;
+ PinName pin;
+};
+
+struct port_s {
+ PortName port;
+ uint32_t mask;
+ PinDirection direction;
+ __IO uint32_t *reg_in;
+ __IO uint32_t *reg_out;
+};
+
+struct analogin_s {
+ ADCName adc;
+ PinName pin;
+};
+
+struct dac_s {
+ DACName dac;
+ PinName pin;
+};
+
+struct serial_s {
+ UARTName uart;
+ int index; // Used by irq
+ uint32_t baudrate;
+ uint32_t databits;
+ uint32_t stopbits;
+ uint32_t parity;
+ PinName pin_tx;
+ PinName pin_rx;
+};
+
+struct spi_s {
+ SPIName spi;
+ uint32_t bits;
+ uint32_t cpol;
+ uint32_t cpha;
+ uint32_t mode;
+ uint32_t nss;
+ uint32_t br_presc;
+ PinName pin_miso;
+ PinName pin_mosi;
+ PinName pin_sclk;
+ PinName pin_ssel;
+};
+
+struct i2c_s {
+ I2CName i2c;
+};
+
+struct pwmout_s {
+ PWMName pwm;
+ PinName pin;
+ uint32_t period;
+ uint32_t pulse;
+};
+
+#include "gpio_object.h"
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L053R8/rtc_api.c Mon Mar 16 09:45:08 2015 +0000
@@ -0,0 +1,203 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+#include "rtc_api.h"
+
+#if DEVICE_RTC
+
+#include "mbed_error.h"
+
+static int rtc_inited = 0;
+
+static RTC_HandleTypeDef RtcHandle;
+
+void rtc_init(void)
+{
+ RCC_OscInitTypeDef RCC_OscInitStruct;
+ uint32_t rtc_freq = 0;
+
+ if (rtc_inited) return;
+ rtc_inited = 1;
+
+ RtcHandle.Instance = RTC;
+
+ // Enable Power clock
+ __PWR_CLK_ENABLE();
+
+ // Enable access to Backup domain
+ HAL_PWR_EnableBkUpAccess();
+
+ // Reset Backup domain
+ __HAL_RCC_BACKUPRESET_FORCE();
+ __HAL_RCC_BACKUPRESET_RELEASE();
+
+ // Enable LSE Oscillator
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured!
+ RCC_OscInitStruct.LSEState = RCC_LSE_ON; // External 32.768 kHz clock on OSC_IN/OSC_OUT
+ if (HAL_RCC_OscConfig(&RCC_OscInitStruct) == HAL_OK) {
+ // Connect LSE to RTC
+ __HAL_RCC_RTC_CLKPRESCALER(RCC_RTCCLKSOURCE_LSE);
+ __HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSE);
+ rtc_freq = LSE_VALUE;
+ } else {
+ // Enable LSI clock
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured!
+ RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
+ RCC_OscInitStruct.LSIState = RCC_LSI_ON;
+ if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
+ error("RTC error: LSI clock initialization failed.");
+ }
+ // Connect LSI to RTC
+ __HAL_RCC_RTC_CLKPRESCALER(RCC_RTCCLKSOURCE_LSI);
+ __HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSI);
+ // This value is LSI typical value. To be measured precisely using a timer input capture for example.
+ rtc_freq = 32000;
+ }
+
+ // Enable RTC
+ __HAL_RCC_RTC_ENABLE();
+
+ RtcHandle.Init.HourFormat = RTC_HOURFORMAT_24;
+ RtcHandle.Init.AsynchPrediv = 127;
+ RtcHandle.Init.SynchPrediv = (rtc_freq / 128) - 1;
+ RtcHandle.Init.OutPut = RTC_OUTPUT_DISABLE;
+ RtcHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
+ RtcHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
+
+ if (HAL_RTC_Init(&RtcHandle) != HAL_OK) {
+ error("RTC error: RTC initialization failed.");
+ }
+}
+
+void rtc_free(void)
+{
+ // Enable Power clock
+ __PWR_CLK_ENABLE();
+
+ // Enable access to Backup domain
+ HAL_PWR_EnableBkUpAccess();
+
+ // Reset Backup domain
+ __HAL_RCC_BACKUPRESET_FORCE();
+ __HAL_RCC_BACKUPRESET_RELEASE();
+
+ // Disable access to Backup domain
+ HAL_PWR_DisableBkUpAccess();
+
+ // Disable LSI and LSE clocks
+ RCC_OscInitTypeDef RCC_OscInitStruct;
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
+ RCC_OscInitStruct.LSIState = RCC_LSI_OFF;
+ RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
+ HAL_RCC_OscConfig(&RCC_OscInitStruct);
+
+ rtc_inited = 0;
+}
+
+int rtc_isenabled(void)
+{
+ return rtc_inited;
+}
+
+/*
+ RTC Registers
+ RTC_WeekDay 1=monday, 2=tuesday, ..., 7=sunday
+ RTC_Month 1=january, 2=february, ..., 12=december
+ RTC_Date day of the month 1-31
+ RTC_Year year 0-99
+ struct tm
+ tm_sec seconds after the minute 0-61
+ tm_min minutes after the hour 0-59
+ tm_hour hours since midnight 0-23
+ tm_mday day of the month 1-31
+ tm_mon months since January 0-11
+ tm_year years since 1900
+ tm_wday days since Sunday 0-6
+ tm_yday days since January 1 0-365
+ tm_isdst Daylight Saving Time flag
+*/
+time_t rtc_read(void)
+{
+ RTC_DateTypeDef dateStruct;
+ RTC_TimeTypeDef timeStruct;
+ struct tm timeinfo;
+
+ RtcHandle.Instance = RTC;
+
+ // Read actual date and time
+ // Warning: the time must be read first!
+ HAL_RTC_GetTime(&RtcHandle, &timeStruct, FORMAT_BIN);
+ HAL_RTC_GetDate(&RtcHandle, &dateStruct, FORMAT_BIN);
+
+ // Setup a tm structure based on the RTC
+ timeinfo.tm_wday = dateStruct.WeekDay;
+ timeinfo.tm_mon = dateStruct.Month - 1;
+ timeinfo.tm_mday = dateStruct.Date;
+ timeinfo.tm_year = dateStruct.Year + 100;
+ timeinfo.tm_hour = timeStruct.Hours;
+ timeinfo.tm_min = timeStruct.Minutes;
+ timeinfo.tm_sec = timeStruct.Seconds;
+
+ // Convert to timestamp
+ time_t t = mktime(&timeinfo);
+
+ return t;
+}
+
+void rtc_write(time_t t)
+{
+ RTC_DateTypeDef dateStruct;
+ RTC_TimeTypeDef timeStruct;
+
+ RtcHandle.Instance = RTC;
+
+ // Convert the time into a tm
+ struct tm *timeinfo = localtime(&t);
+
+ // Fill RTC structures
+ dateStruct.WeekDay = timeinfo->tm_wday;
+ dateStruct.Month = timeinfo->tm_mon + 1;
+ dateStruct.Date = timeinfo->tm_mday;
+ dateStruct.Year = timeinfo->tm_year - 100;
+ timeStruct.Hours = timeinfo->tm_hour;
+ timeStruct.Minutes = timeinfo->tm_min;
+ timeStruct.Seconds = timeinfo->tm_sec;
+ timeStruct.TimeFormat = RTC_HOURFORMAT12_PM;
+ timeStruct.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
+ timeStruct.StoreOperation = RTC_STOREOPERATION_RESET;
+
+ // Change the RTC current date/time
+ HAL_RTC_SetDate(&RtcHandle, &dateStruct, FORMAT_BIN);
+ HAL_RTC_SetTime(&RtcHandle, &timeStruct, FORMAT_BIN);
+}
+
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/analogin_api.c Mon Mar 16 09:45:08 2015 +0000
@@ -0,0 +1,176 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "mbed_assert.h"
+#include "analogin_api.h"
+
+#if DEVICE_ANALOGIN
+
+#include "wait_api.h"
+#include "cmsis.h"
+#include "pinmap.h"
+#include "PeripheralPins.h"
+
+ADC_HandleTypeDef AdcHandle;
+
+int adc_inited = 0;
+
+void analogin_init(analogin_t *obj, PinName pin)
+{
+ // Get the peripheral name from the pin and assign it to the object
+ obj->adc = (ADCName)pinmap_peripheral(pin, PinMap_ADC);
+ MBED_ASSERT(obj->adc != (ADCName)NC);
+
+ // Configure GPIO
+ pinmap_pinout(pin, PinMap_ADC);
+
+ // Save pin number for the read function
+ obj->pin = pin;
+
+ // The ADC initialization is done once
+ if (adc_inited == 0) {
+ adc_inited = 1;
+
+ AdcHandle.Instance = (ADC_TypeDef *)(obj->adc);
+
+ // Enable ADC clock
+ __ADC1_CLK_ENABLE();
+
+ // Configure ADC
+ AdcHandle.Init.OversamplingMode = DISABLE;
+ AdcHandle.Init.ClockPrescaler = ADC_CLOCKPRESCALER_PCLK_DIV1;
+ AdcHandle.Init.Resolution = ADC_RESOLUTION12b;
+ AdcHandle.Init.SamplingTime = ADC_SAMPLETIME_41CYCLES_5;
+ AdcHandle.Init.ScanConvMode = ADC_SCAN_DIRECTION_FORWARD;
+ AdcHandle.Init.DataAlign = ADC_DATAALIGN_RIGHT;
+ AdcHandle.Init.ContinuousConvMode = DISABLE;
+ AdcHandle.Init.DiscontinuousConvMode = DISABLE;
+ AdcHandle.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIG_EDGE_NONE;
+ AdcHandle.Init.ExternalTrigConv = ADC_EXTERNALTRIG0_T6_TRGO; // Not used here
+ AdcHandle.Init.DMAContinuousRequests = DISABLE;
+ AdcHandle.Init.EOCSelection = EOC_SINGLE_CONV;
+ AdcHandle.Init.Overrun = OVR_DATA_OVERWRITTEN;
+ AdcHandle.Init.LowPowerAutoWait = ENABLE;
+ AdcHandle.Init.LowPowerFrequencyMode = DISABLE; // To be enabled only if ADC clock < 2.8 MHz
+ AdcHandle.Init.LowPowerAutoPowerOff = DISABLE;
+ HAL_ADC_Init(&AdcHandle);
+
+ // Calibration
+ HAL_ADCEx_Calibration_Start(&AdcHandle, ADC_SINGLE_ENDED);
+
+ __HAL_ADC_ENABLE(&AdcHandle);
+ }
+}
+
+static inline uint16_t adc_read(analogin_t *obj)
+{
+ ADC_ChannelConfTypeDef sConfig;
+
+ AdcHandle.Instance = (ADC_TypeDef *)(obj->adc);
+
+ // Configure ADC channel
+ switch (obj->pin) {
+ case PA_0:
+ sConfig.Channel = ADC_CHANNEL_0;
+ break;
+ case PA_1:
+ sConfig.Channel = ADC_CHANNEL_1;
+ break;
+ case PA_2:
+ sConfig.Channel = ADC_CHANNEL_2;
+ break;
+ case PA_3:
+ sConfig.Channel = ADC_CHANNEL_3;
+ break;
+ case PA_4:
+ sConfig.Channel = ADC_CHANNEL_4;
+ break;
+ case PA_5:
+ sConfig.Channel = ADC_CHANNEL_5;
+ break;
+ case PA_6:
+ sConfig.Channel = ADC_CHANNEL_6;
+ break;
+ case PA_7:
+ sConfig.Channel = ADC_CHANNEL_7;
+ break;
+ case PB_0:
+ sConfig.Channel = ADC_CHANNEL_8;
+ break;
+ case PB_1:
+ sConfig.Channel = ADC_CHANNEL_9;
+ break;
+ case PC_0:
+ sConfig.Channel = ADC_CHANNEL_10;
+ break;
+ case PC_1:
+ sConfig.Channel = ADC_CHANNEL_11;
+ break;
+ case PC_2:
+ sConfig.Channel = ADC_CHANNEL_12;
+ break;
+ case PC_3:
+ sConfig.Channel = ADC_CHANNEL_13;
+ break;
+ case PC_4:
+ sConfig.Channel = ADC_CHANNEL_14;
+ break;
+ case PC_5:
+ sConfig.Channel = ADC_CHANNEL_15;
+ break;
+ default:
+ return 0;
+ }
+
+ ADC1->CHSELR = 0; // [TODO] Workaround. To be removed after Cube driver is corrected.
+ HAL_ADC_ConfigChannel(&AdcHandle, &sConfig);
+
+ HAL_ADC_Start(&AdcHandle); // Start conversion
+
+ // Wait end of conversion and get value
+ if (HAL_ADC_PollForConversion(&AdcHandle, 10) == HAL_OK) {
+ return (HAL_ADC_GetValue(&AdcHandle));
+ } else {
+ return 0;
+ }
+}
+
+uint16_t analogin_read_u16(analogin_t *obj)
+{
+ uint16_t value = adc_read(obj);
+ // 12-bit to 16-bit conversion
+ value = ((value << 4) & (uint16_t)0xFFF0) | ((value >> 8) & (uint16_t)0x000F);
+ return value;
+}
+
+float analogin_read(analogin_t *obj)
+{
+ uint16_t value = adc_read(obj);
+ return (float)value * (1.0f / (float)0xFFF); // 12 bits range
+}
+
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/analogout_api.c Mon Mar 16 09:45:08 2015 +0000
@@ -0,0 +1,161 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "mbed_assert.h"
+#include "analogout_api.h"
+
+#if DEVICE_ANALOGOUT
+
+#include "cmsis.h"
+#include "pinmap.h"
+#include "mbed_error.h"
+#include "PeripheralPins.h"
+
+#define DAC_RANGE (0xFFF) // 12 bits
+
+static DAC_HandleTypeDef DacHandle;
+
+// These variables are used for the "free" function
+static int pa4_used = 0;
+static int pa5_used = 0;
+
+void analogout_init(dac_t *obj, PinName pin)
+{
+ DAC_ChannelConfTypeDef sConfig;
+
+ // Get the peripheral name from the pin and assign it to the object
+ obj->dac = (DACName)pinmap_peripheral(pin, PinMap_DAC);
+ MBED_ASSERT(obj->dac != (DACName)NC);
+
+ // Configure GPIO
+ pinmap_pinout(pin, PinMap_DAC);
+
+ // Save the pin for future use
+ obj->pin = pin;
+
+ // Enable DAC clock
+ __DAC_CLK_ENABLE();
+
+ // Configure DAC
+ DacHandle.Instance = DAC;
+
+ sConfig.DAC_Trigger = DAC_TRIGGER_NONE;
+ sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_DISABLE;
+
+ if (pin == PA_4) {
+ HAL_DAC_ConfigChannel(&DacHandle, &sConfig, DAC_CHANNEL_1);
+ pa4_used = 1;
+ }
+
+#if defined(DAC_CHANNEL_2)
+ if (pin == PA_5) {
+ HAL_DAC_ConfigChannel(&DacHandle, &sConfig, DAC_CHANNEL_2);
+ pa5_used = 1;
+ }
+#endif
+
+ analogout_write_u16(obj, 0);
+}
+
+void analogout_free(dac_t *obj)
+{
+ // Reset DAC and disable clock
+ if (obj->pin == PA_4) pa4_used = 0;
+ if (obj->pin == PA_5) pa5_used = 0;
+
+ if ((pa4_used == 0) && (pa5_used == 0)) {
+ __DAC_FORCE_RESET();
+ __DAC_RELEASE_RESET();
+ __DAC_CLK_DISABLE();
+ }
+
+ // Configure GPIO
+ pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
+}
+
+static inline void dac_write(dac_t *obj, uint16_t value)
+{
+ if (obj->pin == PA_4) {
+ HAL_DAC_SetValue(&DacHandle, DAC_CHANNEL_1, DAC_ALIGN_12B_R, value);
+ HAL_DAC_Start(&DacHandle, DAC_CHANNEL_1);
+ }
+
+#if defined(DAC_CHANNEL_2)
+ if (obj->pin == PA_5) {
+ HAL_DAC_SetValue(&DacHandle, DAC_CHANNEL_2, DAC_ALIGN_12B_R, value);
+ HAL_DAC_Start(&DacHandle, DAC_CHANNEL_2);
+ }
+#endif
+}
+
+static inline int dac_read(dac_t *obj)
+{
+ if (obj->pin == PA_4) {
+ return (int)HAL_DAC_GetValue(&DacHandle, DAC_CHANNEL_1);
+ }
+#if defined(DAC_CHANNEL_2)
+ else if (obj->pin == PA_5) {
+ return (int)HAL_DAC_GetValue(&DacHandle, DAC_CHANNEL_2);
+ }
+#endif
+ else {
+ return 0;
+ }
+}
+
+void analogout_write(dac_t *obj, float value)
+{
+ if (value < 0.0f) {
+ dac_write(obj, 0); // Min value
+ } else if (value > 1.0f) {
+ dac_write(obj, (uint16_t)DAC_RANGE); // Max value
+ } else {
+ dac_write(obj, (uint16_t)(value * (float)DAC_RANGE));
+ }
+}
+
+void analogout_write_u16(dac_t *obj, uint16_t value)
+{
+ if (value > (uint16_t)DAC_RANGE) {
+ dac_write(obj, (uint16_t)DAC_RANGE); // Max value
+ } else {
+ dac_write(obj, value);
+ }
+}
+
+float analogout_read(dac_t *obj)
+{
+ uint32_t value = dac_read(obj);
+ return (float)((float)value * (1.0f / (float)DAC_RANGE));
+}
+
+uint16_t analogout_read_u16(dac_t *obj)
+{
+ return (uint16_t)dac_read(obj);
+}
+
+#endif // DEVICE_ANALOGOUT
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/gpio_api.c Mon Mar 16 09:45:08 2015 +0000
@@ -0,0 +1,77 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+#include "mbed_assert.h"
+#include "gpio_api.h"
+#include "pinmap.h"
+#include "mbed_error.h"
+
+extern uint32_t Set_GPIO_Clock(uint32_t port_idx);
+
+uint32_t gpio_set(PinName pin)
+{
+ MBED_ASSERT(pin != (PinName)NC);
+
+ pin_function(pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
+ return (uint32_t)(1 << ((uint32_t)pin & 0xF)); // Return the pin mask
+}
+
+void gpio_init(gpio_t *obj, PinName pin)
+{
+ obj->pin = pin;
+ if (pin == (PinName)NC)
+ return;
+
+ uint32_t port_index = STM_PORT(pin);
+
+ // Enable GPIO clock
+ uint32_t gpio_add = Set_GPIO_Clock(port_index);
+ GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
+
+ // Fill GPIO object structure for future use
+ obj->mask = gpio_set(pin);
+ obj->reg_in = &gpio->IDR;
+ obj->reg_set = &gpio->BSRR;
+ obj->reg_clr = &gpio->BRR;
+}
+
+void gpio_mode(gpio_t *obj, PinMode mode)
+{
+ pin_mode(obj->pin, mode);
+}
+
+void gpio_dir(gpio_t *obj, PinDirection direction)
+{
+ MBED_ASSERT(obj->pin != (PinName)NC);
+ if (direction == PIN_OUTPUT) {
+ pin_function(obj->pin, STM_PIN_DATA(STM_MODE_OUTPUT_PP, GPIO_NOPULL, 0));
+ } else { // PIN_INPUT
+ pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/gpio_irq_api.c Mon Mar 16 09:45:08 2015 +0000
@@ -0,0 +1,267 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+#include <stddef.h>
+#include "cmsis.h"
+#include "gpio_irq_api.h"
+#include "pinmap.h"
+#include "mbed_error.h"
+
+#define EDGE_NONE (0)
+#define EDGE_RISE (1)
+#define EDGE_FALL (2)
+#define EDGE_BOTH (3)
+
+// Number of EXTI irq vectors (EXTI0_1, EXTI2_3, EXTI4_15)
+#define CHANNEL_NUM (3)
+
+// Max pins for one line (max with EXTI4_15)
+#define MAX_PIN_LINE (12)
+
+typedef struct gpio_channel {
+ uint32_t pin_mask; // bitmask representing which pins are configured for receiving interrupts
+ uint32_t channel_ids[MAX_PIN_LINE]; // mbed "gpio_irq_t gpio_irq" field of instance
+ uint32_t channel_gpio[MAX_PIN_LINE]; // base address of gpio port group
+ uint32_t channel_pin[MAX_PIN_LINE]; // pin number in port group
+} gpio_channel_t;
+
+static gpio_channel_t channels[CHANNEL_NUM] = {
+ {.pin_mask = 0},
+ {.pin_mask = 0},
+ {.pin_mask = 0}
+};
+
+// Used to return the index for channels array.
+static uint32_t pin_base_nr[16] = {
+ // EXTI0_1
+ 0, // pin 0
+ 1, // pin 1
+ // EXTI2_3
+ 0, // pin 2
+ 1, // pin 3
+ // EXTI4_15
+ 0, // pin 4
+ 1, // pin 5
+ 2, // pin 6
+ 3, // pin 7
+ 4, // pin 8
+ 5, // pin 9
+ 6, // pin 10
+ 7, // pin 11
+ 8, // pin 12
+ 9, // pin 13
+ 10, // pin 14
+ 11 // pin 15
+};
+
+static gpio_irq_handler irq_handler;
+
+static void handle_interrupt_in(uint32_t irq_index, uint32_t max_num_pin_line)
+{
+ gpio_channel_t *gpio_channel = &channels[irq_index];
+ uint32_t gpio_idx;
+
+ for (gpio_idx = 0; gpio_idx < max_num_pin_line; gpio_idx++) {
+ uint32_t current_mask = (1 << gpio_idx);
+
+ if (gpio_channel->pin_mask & current_mask) {
+ // Retrieve the gpio and pin that generate the irq
+ GPIO_TypeDef *gpio = (GPIO_TypeDef *)(gpio_channel->channel_gpio[gpio_idx]);
+ uint32_t pin = (uint32_t)(1 << (gpio_channel->channel_pin[gpio_idx]));
+
+ // Clear interrupt flag
+ if (__HAL_GPIO_EXTI_GET_FLAG(pin) != RESET) {
+ __HAL_GPIO_EXTI_CLEAR_FLAG(pin);
+
+ if (gpio_channel->channel_ids[gpio_idx] == 0) continue;
+
+ // Check which edge has generated the irq
+ if ((gpio->IDR & pin) == 0) {
+ irq_handler(gpio_channel->channel_ids[gpio_idx], IRQ_FALL);
+ } else {
+ irq_handler(gpio_channel->channel_ids[gpio_idx], IRQ_RISE);
+ }
+ }
+ }
+ }
+}
+
+// EXTI lines 0 to 1
+static void gpio_irq0(void)
+{
+ handle_interrupt_in(0, 2);
+}
+
+// EXTI lines 2 to 3
+static void gpio_irq1(void)
+{
+ handle_interrupt_in(1, 2);
+}
+
+// EXTI lines 4 to 15
+static void gpio_irq2(void)
+{
+ handle_interrupt_in(2, 12);
+}
+
+extern uint32_t Set_GPIO_Clock(uint32_t port_idx);
+
+int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id)
+{
+ IRQn_Type irq_n = (IRQn_Type)0;
+ uint32_t vector = 0;
+ uint32_t irq_index;
+ gpio_channel_t *gpio_channel;
+ uint32_t gpio_idx;
+
+ if (pin == NC) return -1;
+
+ uint32_t port_index = STM_PORT(pin);
+ uint32_t pin_index = STM_PIN(pin);
+
+ // Select irq number and interrupt routine
+ if ((pin_index == 0) || (pin_index == 1)) {
+ irq_n = EXTI0_1_IRQn;
+ vector = (uint32_t)&gpio_irq0;
+ irq_index = 0;
+ } else if ((pin_index == 2) || (pin_index == 3)) {
+ irq_n = EXTI2_3_IRQn;
+ vector = (uint32_t)&gpio_irq1;
+ irq_index = 1;
+ } else if ((pin_index > 3) && (pin_index < 16)) {
+ irq_n = EXTI4_15_IRQn;
+ vector = (uint32_t)&gpio_irq2;
+ irq_index = 2;
+ } else {
+ error("InterruptIn error: pin not supported.\n");
+ return -1;
+ }
+
+ // Enable GPIO clock
+ uint32_t gpio_add = Set_GPIO_Clock(port_index);
+
+ // Configure GPIO
+ pin_function(pin, STM_PIN_DATA(STM_MODE_IT_FALLING, GPIO_NOPULL, 0));
+
+ // Enable EXTI interrupt
+ NVIC_SetVector(irq_n, vector);
+ NVIC_EnableIRQ(irq_n);
+
+ // Save informations for future use
+ obj->irq_n = irq_n;
+ obj->irq_index = irq_index;
+ obj->event = EDGE_NONE;
+ obj->pin = pin;
+
+ gpio_channel = &channels[irq_index];
+ gpio_idx = pin_base_nr[pin_index];
+ gpio_channel->pin_mask |= (1 << gpio_idx);
+ gpio_channel->channel_ids[gpio_idx] = id;
+ gpio_channel->channel_gpio[gpio_idx] = gpio_add;
+ gpio_channel->channel_pin[gpio_idx] = pin_index;
+
+ irq_handler = handler;
+
+ return 0;
+}
+
+void gpio_irq_free(gpio_irq_t *obj)
+{
+ gpio_channel_t *gpio_channel = &channels[obj->irq_index];
+ uint32_t pin_index = STM_PIN(obj->pin);
+ uint32_t gpio_idx = pin_base_nr[pin_index];
+
+ gpio_channel->pin_mask &= ~(1 << gpio_idx);
+ gpio_channel->channel_ids[gpio_idx] = 0;
+ gpio_channel->channel_gpio[gpio_idx] = 0;
+ gpio_channel->channel_pin[gpio_idx] = 0;
+
+ // Disable EXTI line
+ pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
+ obj->event = EDGE_NONE;
+}
+
+void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable)
+{
+ uint32_t mode = STM_MODE_IT_EVT_RESET;
+ uint32_t pull = GPIO_NOPULL;
+
+ if (enable) {
+ if (event == IRQ_RISE) {
+ if ((obj->event == EDGE_FALL) || (obj->event == EDGE_BOTH)) {
+ mode = STM_MODE_IT_RISING_FALLING;
+ obj->event = EDGE_BOTH;
+ } else { // NONE or RISE
+ mode = STM_MODE_IT_RISING;
+ obj->event = EDGE_RISE;
+ }
+ }
+ if (event == IRQ_FALL) {
+ if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) {
+ mode = STM_MODE_IT_RISING_FALLING;
+ obj->event = EDGE_BOTH;
+ } else { // NONE or FALL
+ mode = STM_MODE_IT_FALLING;
+ obj->event = EDGE_FALL;
+ }
+ }
+ } else { // Disable
+ if (event == IRQ_RISE) {
+ if ((obj->event == EDGE_FALL) || (obj->event == EDGE_BOTH)) {
+ mode = STM_MODE_IT_FALLING;
+ obj->event = EDGE_FALL;
+ } else { // NONE or RISE
+ mode = STM_MODE_IT_EVT_RESET;
+ obj->event = EDGE_NONE;
+ }
+ }
+ if (event == IRQ_FALL) {
+ if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) {
+ mode = STM_MODE_IT_RISING;
+ obj->event = EDGE_RISE;
+ } else { // NONE or FALL
+ mode = STM_MODE_IT_EVT_RESET;
+ obj->event = EDGE_NONE;
+ }
+ }
+ }
+
+ pin_function(obj->pin, STM_PIN_DATA(mode, pull, 0));
+}
+
+void gpio_irq_enable(gpio_irq_t *obj)
+{
+ NVIC_EnableIRQ(obj->irq_n);
+}
+
+void gpio_irq_disable(gpio_irq_t *obj)
+{
+ NVIC_DisableIRQ(obj->irq_n);
+ obj->event = EDGE_NONE;
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/gpio_object.h Mon Mar 16 09:45:08 2015 +0000
@@ -0,0 +1,75 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+#ifndef MBED_GPIO_OBJECT_H
+#define MBED_GPIO_OBJECT_H
+
+#include "mbed_assert.h"
+#include "cmsis.h"
+#include "PortNames.h"
+#include "PeripheralNames.h"
+#include "PinNames.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+ PinName pin;
+ uint32_t mask;
+ __IO uint32_t *reg_in;
+ __IO uint32_t *reg_set;
+ __IO uint32_t *reg_clr;
+} gpio_t;
+
+static inline void gpio_write(gpio_t *obj, int value)
+{
+ MBED_ASSERT(obj->pin != (PinName)NC);
+ if (value) {
+ *obj->reg_set = obj->mask;
+ } else {
+ *obj->reg_clr = obj->mask;
+ }
+}
+
+static inline int gpio_read(gpio_t *obj)
+{
+ MBED_ASSERT(obj->pin != (PinName)NC);
+ return ((*obj->reg_in & obj->mask) ? 1 : 0);
+}
+
+static inline int gpio_is_connected(const gpio_t *obj) {
+ return obj->pin != (PinName)NC;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/i2c_api.c Mon Mar 16 09:45:08 2015 +0000
@@ -0,0 +1,409 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+#include "mbed_assert.h"
+#include "i2c_api.h"
+
+#if DEVICE_I2C
+
+#include "cmsis.h"
+#include "pinmap.h"
+#include "PeripheralPins.h"
+
+/* Timeout values for flags and events waiting loops. These timeouts are
+ not based on accurate values, they just guarantee that the application will
+ not remain stuck if the I2C communication is corrupted. */
+#define FLAG_TIMEOUT ((int)0x1000)
+#define LONG_TIMEOUT ((int)0x8000)
+
+I2C_HandleTypeDef I2cHandle;
+
+void i2c_init(i2c_t *obj, PinName sda, PinName scl)
+{
+ static int i2c1_inited = 0;
+ static int i2c2_inited = 0;
+#if defined(I2C3_BASE)
+ static int i2c3_inited = 0;
+#endif
+
+ // Determine the I2C to use
+ I2CName i2c_sda = (I2CName)pinmap_peripheral(sda, PinMap_I2C_SDA);
+ I2CName i2c_scl = (I2CName)pinmap_peripheral(scl, PinMap_I2C_SCL);
+
+ obj->i2c = (I2CName)pinmap_merge(i2c_sda, i2c_scl);
+ MBED_ASSERT(obj->i2c != (I2CName)NC);
+
+ // Enable I2C1 clock and pinout if not done
+ if ((obj->i2c == I2C_1) && !i2c1_inited) {
+ i2c1_inited = 1;
+ __HAL_RCC_I2C1_CONFIG(RCC_I2C1CLKSOURCE_SYSCLK);
+ __I2C1_CLK_ENABLE();
+ // Configure I2C pins
+ pinmap_pinout(sda, PinMap_I2C_SDA);
+ pinmap_pinout(scl, PinMap_I2C_SCL);
+ pin_mode(sda, OpenDrain);
+ pin_mode(scl, OpenDrain);
+ }
+
+ // Enable I2C2 clock and pinout if not done
+ if ((obj->i2c == I2C_2) && !i2c2_inited) {
+ i2c2_inited = 1;
+ __I2C2_CLK_ENABLE();
+ // Configure I2C pins
+ pinmap_pinout(sda, PinMap_I2C_SDA);
+ pinmap_pinout(scl, PinMap_I2C_SCL);
+ pin_mode(sda, OpenDrain);
+ pin_mode(scl, OpenDrain);
+ }
+
+#if defined(I2C3_BASE)
+ // Enable I2C3 clock and pinout if not done
+ if ((obj->i2c == I2C_3) && !i2c3_inited) {
+ i2c3_inited = 1;
+ __I2C3_CLK_ENABLE();
+ // Configure I2C pins
+ pinmap_pinout(sda, PinMap_I2C_SDA);
+ pinmap_pinout(scl, PinMap_I2C_SCL);
+ pin_mode(sda, OpenDrain);
+ pin_mode(scl, OpenDrain);
+ }
+#endif
+
+ // Reset to clear pending flags if any
+ i2c_reset(obj);
+
+ // I2C configuration
+ i2c_frequency(obj, 100000); // 100 kHz per default
+}
+
+void i2c_frequency(i2c_t *obj, int hz)
+{
+ MBED_ASSERT((hz == 100000) || (hz == 400000) || (hz == 1000000));
+ I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c);
+ int timeout;
+
+ // wait before init
+ timeout = LONG_TIMEOUT;
+ while ((__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY)) && (timeout-- != 0));
+
+ // Common settings: I2C clock = 32 MHz, Analog filter = ON, Digital filter coefficient = 0
+ switch (hz) {
+ case 100000:
+ I2cHandle.Init.Timing = 0x20602938; // Standard mode with Rise Time = 400ns and Fall Time = 100ns
+ break;
+ case 400000:
+ I2cHandle.Init.Timing = 0x00B0122A; // Fast mode with Rise Time = 250ns and Fall Time = 100ns
+ break;
+ case 1000000:
+ I2cHandle.Init.Timing = 0x0030040E; // Fast mode Plus with Rise Time = 60ns and Fall Time = 100ns
+ break;
+ default:
+ break;
+ }
+
+ // I2C configuration
+ I2cHandle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
+ I2cHandle.Init.DualAddressMode = I2C_DUALADDRESS_DISABLED;
+ I2cHandle.Init.GeneralCallMode = I2C_GENERALCALL_DISABLED;
+ I2cHandle.Init.NoStretchMode = I2C_NOSTRETCH_DISABLED;
+ I2cHandle.Init.OwnAddress1 = 0;
+ I2cHandle.Init.OwnAddress2 = 0;
+ I2cHandle.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
+ HAL_I2C_Init(&I2cHandle);
+}
+
+inline int i2c_start(i2c_t *obj)
+{
+ I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
+ int timeout;
+
+ I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c);
+
+ // Clear Acknowledge failure flag
+ __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_AF);
+
+ // Generate the START condition
+ i2c->CR2 |= I2C_CR2_START;
+
+ // Wait the START condition has been correctly sent
+ timeout = FLAG_TIMEOUT;
+ while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY) == RESET) {
+ if ((timeout--) == 0) {
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+inline int i2c_stop(i2c_t *obj)
+{
+ I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
+
+ // Generate the STOP condition
+ i2c->CR2 |= I2C_CR2_STOP;
+
+ return 0;
+}
+
+int i2c_read(i2c_t *obj, int address, char *data, int length, int stop)
+{
+ I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
+ I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c);
+ int timeout;
+ int count;
+ int value;
+
+ /* update CR2 register */
+ i2c->CR2 = (i2c->CR2 & (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_AUTOEND | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP)))
+ | (uint32_t)(((uint32_t)address & I2C_CR2_SADD) | (((uint32_t)length << 16) & I2C_CR2_NBYTES) | (uint32_t)I2C_SOFTEND_MODE | (uint32_t)I2C_GENERATE_START_READ);
+
+ // Read all bytes
+ for (count = 0; count < length; count++) {
+ value = i2c_byte_read(obj, 0);
+ data[count] = (char)value;
+ }
+
+ // Wait transfer complete
+ timeout = FLAG_TIMEOUT;
+ while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TC) == RESET) {
+ timeout--;
+ if (timeout == 0) {
+ return -1;
+ }
+ }
+
+ __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_TC);
+
+ // If not repeated start, send stop.
+ if (stop) {
+ i2c_stop(obj);
+ /* Wait until STOPF flag is set */
+ timeout = FLAG_TIMEOUT;
+ while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_STOPF) == RESET) {
+ timeout--;
+ if (timeout == 0) {
+ return -1;
+ }
+ }
+ /* Clear STOP Flag */
+ __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_STOPF);
+ }
+
+ return length;
+}
+
+int i2c_write(i2c_t *obj, int address, const char *data, int length, int stop)
+{
+ I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
+ I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c);
+ int timeout;
+ int count;
+
+ /* update CR2 register */
+ i2c->CR2 = (i2c->CR2 & (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_AUTOEND | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP)))
+ | (uint32_t)(((uint32_t)address & I2C_CR2_SADD) | (((uint32_t)length << 16) & I2C_CR2_NBYTES) | (uint32_t)I2C_SOFTEND_MODE | (uint32_t)I2C_GENERATE_START_WRITE);
+
+ for (count = 0; count < length; count++) {
+ i2c_byte_write(obj, data[count]);
+ }
+
+ // Wait transfer complete
+ timeout = FLAG_TIMEOUT;
+ while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TC) == RESET) {
+ timeout--;
+ if (timeout == 0) {
+ return -1;
+ }
+ }
+
+ __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_TC);
+
+ // If not repeated start, send stop.
+ if (stop) {
+ i2c_stop(obj);
+ /* Wait until STOPF flag is set */
+ timeout = FLAG_TIMEOUT;
+ while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_STOPF) == RESET) {
+ timeout--;
+ if (timeout == 0) {
+ return -1;
+ }
+ }
+ /* Clear STOP Flag */
+ __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_STOPF);
+ }
+
+ return count;
+}
+
+int i2c_byte_read(i2c_t *obj, int last)
+{
+ I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
+ int timeout;
+
+ // Wait until the byte is received
+ timeout = FLAG_TIMEOUT;
+ while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_RXNE) == RESET) {
+ if ((timeout--) == 0) {
+ return -1;
+ }
+ }
+
+ return (int)i2c->RXDR;
+}
+
+int i2c_byte_write(i2c_t *obj, int data)
+{
+ I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
+ int timeout;
+
+ // Wait until the previous byte is transmitted
+ timeout = FLAG_TIMEOUT;
+ while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TXIS) == RESET) {
+ if ((timeout--) == 0) {
+ return 0;
+ }
+ }
+
+ i2c->TXDR = (uint8_t)data;
+
+ return 1;
+}
+
+void i2c_reset(i2c_t *obj)
+{
+ int timeout;
+
+ // wait before reset
+ timeout = LONG_TIMEOUT;
+ while ((__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY)) && (timeout-- != 0));
+
+ if (obj->i2c == I2C_1) {
+ __I2C1_FORCE_RESET();
+ __I2C1_RELEASE_RESET();
+ }
+ if (obj->i2c == I2C_2) {
+ __I2C2_FORCE_RESET();
+ __I2C2_RELEASE_RESET();
+ }
+}
+
+#if DEVICE_I2CSLAVE
+
+void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask)
+{
+ I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
+ uint16_t tmpreg;
+
+ // disable
+ i2c->OAR1 &= (uint32_t)(~I2C_OAR1_OA1EN);
+ // Get the old register value
+ tmpreg = i2c->OAR1;
+ // Reset address bits
+ tmpreg &= 0xFC00;
+ // Set new address
+ tmpreg |= (uint16_t)((uint16_t)address & (uint16_t)0x00FE); // 7-bits
+ // Store the new register value
+ i2c->OAR1 = tmpreg;
+ // enable
+ i2c->OAR1 |= I2C_OAR1_OA1EN;
+}
+
+void i2c_slave_mode(i2c_t *obj, int enable_slave)
+{
+
+ I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
+ uint16_t tmpreg;
+
+ // Get the old register value
+ tmpreg = i2c->OAR1;
+
+ // Enable / disable slave
+ if (enable_slave == 1) {
+ tmpreg |= I2C_OAR1_OA1EN;
+ } else {
+ tmpreg &= (uint32_t)(~I2C_OAR1_OA1EN);
+ }
+
+ // Set new mode
+ i2c->OAR1 = tmpreg;
+
+}
+
+// See I2CSlave.h
+#define NoData 0 // the slave has not been addressed
+#define ReadAddressed 1 // the master has requested a read from this slave (slave = transmitter)
+#define WriteGeneral 2 // the master is writing to all slave
+#define WriteAddressed 3 // the master is writing to this slave (slave = receiver)
+
+int i2c_slave_receive(i2c_t *obj)
+{
+ I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c);
+ int retValue = NoData;
+
+ if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY) == 1) {
+ if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_ADDR) == 1) {
+ if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_DIR) == 1)
+ retValue = ReadAddressed;
+ else
+ retValue = WriteAddressed;
+ __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_ADDR);
+ }
+ }
+
+ return (retValue);
+}
+
+int i2c_slave_read(i2c_t *obj, char *data, int length)
+{
+ char size = 0;
+
+ while (size < length) data[size++] = (char)i2c_byte_read(obj, 0);
+
+ return size;
+}
+
+int i2c_slave_write(i2c_t *obj, const char *data, int length)
+{
+ char size = 0;
+ I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c);
+
+ do {
+ i2c_byte_write(obj, data[size]);
+ size++;
+ } while (size < length);
+
+ return size;
+}
+
+
+#endif // DEVICE_I2CSLAVE
+
+#endif // DEVICE_I2C
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/mbed_overrides.c Mon Mar 16 09:45:08 2015 +0000
@@ -0,0 +1,35 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "cmsis.h"
+
+// This function is called after RAM initialization and before main.
+void mbed_sdk_init()
+{
+ // Update the SystemCoreClock variable.
+ SystemCoreClockUpdate();
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/pinmap.c Mon Mar 16 09:45:08 2015 +0000
@@ -0,0 +1,143 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+#include "mbed_assert.h"
+#include "pinmap.h"
+#include "PortNames.h"
+#include "mbed_error.h"
+
+// GPIO mode look-up table
+static const uint32_t gpio_mode[13] = {
+ 0x00000000, // 0 = GPIO_MODE_INPUT
+ 0x00000001, // 1 = GPIO_MODE_OUTPUT_PP
+ 0x00000011, // 2 = GPIO_MODE_OUTPUT_OD
+ 0x00000002, // 3 = GPIO_MODE_AF_PP
+ 0x00000012, // 4 = GPIO_MODE_AF_OD
+ 0x00000003, // 5 = GPIO_MODE_ANALOG
+ 0x10110000, // 6 = GPIO_MODE_IT_RISING
+ 0x10210000, // 7 = GPIO_MODE_IT_FALLING
+ 0x10310000, // 8 = GPIO_MODE_IT_RISING_FALLING
+ 0x10120000, // 9 = GPIO_MODE_EVT_RISING
+ 0x10220000, // 10 = GPIO_MODE_EVT_FALLING
+ 0x10320000, // 11 = GPIO_MODE_EVT_RISING_FALLING
+ 0x10000000 // 12 = Reset IT and EVT (not in STM32Cube HAL)
+};
+
+// Enable GPIO clock and return GPIO base address
+uint32_t Set_GPIO_Clock(uint32_t port_idx)
+{
+ uint32_t gpio_add = 0;
+ switch (port_idx) {
+ case PortA:
+ gpio_add = GPIOA_BASE;
+ __GPIOA_CLK_ENABLE();
+ break;
+ case PortB:
+ gpio_add = GPIOB_BASE;
+ __GPIOB_CLK_ENABLE();
+ break;
+ case PortC:
+ gpio_add = GPIOC_BASE;
+ __GPIOC_CLK_ENABLE();
+ break;
+ case PortD:
+ gpio_add = GPIOD_BASE;
+ __GPIOD_CLK_ENABLE();
+ break;
+ case PortH:
+ gpio_add = GPIOH_BASE;
+ __GPIOH_CLK_ENABLE();
+ break;
+ default:
+ error("Pinmap error: wrong port number.");
+ break;
+ }
+ return gpio_add;
+}
+
+/**
+ * Configure pin (mode, speed, output type and pull-up/pull-down)
+ */
+void pin_function(PinName pin, int data)
+{
+ MBED_ASSERT(pin != (PinName)NC);
+ // Get the pin informations
+ uint32_t mode = STM_PIN_MODE(data);
+ uint32_t pupd = STM_PIN_PUPD(data);
+ uint32_t afnum = STM_PIN_AFNUM(data);
+
+ uint32_t port_index = STM_PORT(pin);
+ uint32_t pin_index = STM_PIN(pin);
+
+ // Enable GPIO clock
+ uint32_t gpio_add = Set_GPIO_Clock(port_index);
+ GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
+
+ // Configure GPIO
+ GPIO_InitTypeDef GPIO_InitStructure;
+ GPIO_InitStructure.Pin = (uint32_t)(1 << pin_index);
+ GPIO_InitStructure.Mode = gpio_mode[mode];
+ GPIO_InitStructure.Pull = pupd;
+ GPIO_InitStructure.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStructure.Alternate = afnum;
+ HAL_GPIO_Init(gpio, &GPIO_InitStructure);
+
+ // [TODO] Disconnect JTAG-DP + SW-DP signals.
+ // Warning: Need to reconnect under reset
+ //if ((pin == PA_13) || (pin == PA_14)) {
+ //
+ //}
+ //if ((pin == PA_15) || (pin == PB_3) || (pin == PB_4)) {
+ //
+ //}
+}
+
+/**
+ * Configure pin pull-up/pull-down
+ */
+void pin_mode(PinName pin, PinMode mode)
+{
+ MBED_ASSERT(pin != (PinName)NC);
+ uint32_t port_index = STM_PORT(pin);
+ uint32_t pin_index = STM_PIN(pin);
+
+ // Enable GPIO clock
+ uint32_t gpio_add = Set_GPIO_Clock(port_index);
+ GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
+
+ // Configure pull-up/pull-down resistors
+ uint32_t pupd = (uint32_t)mode;
+ if (pupd > 2)
+ {
+ pupd = 0; // Open-drain = No pull-up/No pull-down
+ }
+ gpio->PUPDR &= (uint32_t)(~(GPIO_PUPDR_PUPD0 << (pin_index * 2)));
+ gpio->PUPDR |= (uint32_t)(pupd << (pin_index * 2));
+
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/port_api.c Mon Mar 16 09:45:08 2015 +0000
@@ -0,0 +1,103 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+#include "port_api.h"
+#include "pinmap.h"
+#include "gpio_api.h"
+#include "mbed_error.h"
+
+#if DEVICE_PORTIN || DEVICE_PORTOUT
+
+extern uint32_t Set_GPIO_Clock(uint32_t port_idx);
+
+// high nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, ...)
+// low nibble = pin number
+PinName port_pin(PortName port, int pin_n)
+{
+ return (PinName)(pin_n + (port << 4));
+}
+
+void port_init(port_t *obj, PortName port, int mask, PinDirection dir)
+{
+ uint32_t port_index = (uint32_t)port;
+
+ // Enable GPIO clock
+ uint32_t gpio_add = Set_GPIO_Clock(port_index);
+ GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
+
+ // Fill PORT object structure for future use
+ obj->port = port;
+ obj->mask = mask;
+ obj->direction = dir;
+ obj->reg_in = &gpio->IDR;
+ obj->reg_out = &gpio->ODR;
+
+ port_dir(obj, dir);
+}
+
+void port_dir(port_t *obj, PinDirection dir)
+{
+ uint32_t i;
+ obj->direction = dir;
+ for (i = 0; i < 16; i++) { // Process all pins
+ if (obj->mask & (1 << i)) { // If the pin is used
+ if (dir == PIN_OUTPUT) {
+ pin_function(port_pin(obj->port, i), STM_PIN_DATA(STM_MODE_OUTPUT_PP, GPIO_NOPULL, 0));
+ } else { // PIN_INPUT
+ pin_function(port_pin(obj->port, i), STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
+ }
+ }
+ }
+}
+
+void port_mode(port_t *obj, PinMode mode)
+{
+ uint32_t i;
+ for (i = 0; i < 16; i++) { // Process all pins
+ if (obj->mask & (1 << i)) { // If the pin is used
+ pin_mode(port_pin(obj->port, i), mode);
+ }
+ }
+}
+
+void port_write(port_t *obj, int value)
+{
+ *obj->reg_out = (*obj->reg_out & ~obj->mask) | (value & obj->mask);
+}
+
+int port_read(port_t *obj)
+{
+ if (obj->direction == PIN_OUTPUT) {
+ return (*obj->reg_out & obj->mask);
+ } else { // PIN_INPUT
+ return (*obj->reg_in & obj->mask);
+ }
+}
+
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/pwmout_api.c Mon Mar 16 09:45:08 2015 +0000
@@ -0,0 +1,193 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+#include "pwmout_api.h"
+
+#if DEVICE_PWMOUT
+
+#include "cmsis.h"
+#include "pinmap.h"
+#include "mbed_error.h"
+#include "PeripheralPins.h"
+
+static TIM_HandleTypeDef TimHandle;
+
+void pwmout_init(pwmout_t* obj, PinName pin)
+{
+ // Get the peripheral name from the pin and assign it to the object
+ obj->pwm = (PWMName)pinmap_peripheral(pin, PinMap_PWM);
+
+ if (obj->pwm == (PWMName)NC) {
+ error("PWM error: pinout mapping failed.");
+ }
+
+ // Enable TIM clock
+ if (obj->pwm == PWM_2) __TIM2_CLK_ENABLE();
+#if defined(TIM3_BASE)
+ if (obj->pwm == PWM_3) __TIM3_CLK_ENABLE();
+#endif
+ if (obj->pwm == PWM_21) __TIM21_CLK_ENABLE();
+ if (obj->pwm == PWM_22) __TIM22_CLK_ENABLE();
+
+ // Configure GPIO
+ pinmap_pinout(pin, PinMap_PWM);
+
+ obj->pin = pin;
+ obj->period = 0;
+ obj->pulse = 0;
+
+ pwmout_period_us(obj, 20000); // 20 ms per default
+}
+
+void pwmout_free(pwmout_t* obj)
+{
+ // Configure GPIO
+ pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
+}
+
+void pwmout_write(pwmout_t* obj, float value)
+{
+ TIM_OC_InitTypeDef sConfig;
+ int channel = 0;
+
+ TimHandle.Instance = (TIM_TypeDef *)(obj->pwm);
+
+ if (value < (float)0.0) {
+ value = 0.0;
+ } else if (value > (float)1.0) {
+ value = 1.0;
+ }
+
+ obj->pulse = (uint32_t)((float)obj->period * value);
+
+ // Configure channels
+ sConfig.OCMode = TIM_OCMODE_PWM1;
+ sConfig.Pulse = obj->pulse;
+ sConfig.OCPolarity = TIM_OCPOLARITY_HIGH;
+ sConfig.OCFastMode = TIM_OCFAST_ENABLE;
+
+ switch (obj->pin) {
+ // Channels 1
+ case PA_0:
+ case PA_5:
+ case PA_6:
+ case PA_15:
+ case PB_4:
+ case PC_6:
+ channel = TIM_CHANNEL_1;
+ break;
+ // Channels 2
+ case PA_1:
+ case PA_7:
+ case PB_3:
+ case PB_5:
+ case PC_7:
+ channel = TIM_CHANNEL_2;
+ break;
+ // Channels 3
+ case PA_2:
+ case PB_0:
+ case PB_10:
+ case PC_8:
+ channel = TIM_CHANNEL_3;
+ break;
+ // Channels 4
+ case PA_3:
+ case PB_1:
+ case PB_11:
+ case PC_9:
+ channel = TIM_CHANNEL_4;
+ break;
+ default:
+ return;
+ }
+
+ HAL_TIM_PWM_ConfigChannel(&TimHandle, &sConfig, channel);
+ HAL_TIM_PWM_Start(&TimHandle, channel);
+}
+
+float pwmout_read(pwmout_t* obj)
+{
+ float value = 0;
+ if (obj->period > 0) {
+ value = (float)(obj->pulse) / (float)(obj->period);
+ }
+ return ((value > (float)1.0) ? (float)(1.0) : (value));
+}
+
+void pwmout_period(pwmout_t* obj, float seconds)
+{
+ pwmout_period_us(obj, seconds * 1000000.0f);
+}
+
+void pwmout_period_ms(pwmout_t* obj, int ms)
+{
+ pwmout_period_us(obj, ms * 1000);
+}
+
+void pwmout_period_us(pwmout_t* obj, int us)
+{
+ TimHandle.Instance = (TIM_TypeDef *)(obj->pwm);
+
+ float dc = pwmout_read(obj);
+
+ __HAL_TIM_DISABLE(&TimHandle);
+
+ TimHandle.Init.Period = us - 1;
+ TimHandle.Init.Prescaler = (uint16_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
+ TimHandle.Init.ClockDivision = 0;
+ TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
+ HAL_TIM_PWM_Init(&TimHandle);
+
+ // Set duty cycle again
+ pwmout_write(obj, dc);
+
+ // Save for future use
+ obj->period = us;
+
+ __HAL_TIM_ENABLE(&TimHandle);
+}
+
+void pwmout_pulsewidth(pwmout_t* obj, float seconds)
+{
+ pwmout_pulsewidth_us(obj, seconds * 1000000.0f);
+}
+
+void pwmout_pulsewidth_ms(pwmout_t* obj, int ms)
+{
+ pwmout_pulsewidth_us(obj, ms * 1000);
+}
+
+void pwmout_pulsewidth_us(pwmout_t* obj, int us)
+{
+ float value = (float)us / (float)obj->period;
+ pwmout_write(obj, value);
+}
+
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/serial_api.c Mon Mar 16 09:45:08 2015 +0000
@@ -0,0 +1,406 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+#include "mbed_assert.h"
+#include "serial_api.h"
+
+#if DEVICE_SERIAL
+
+#include "cmsis.h"
+#include "pinmap.h"
+#include <string.h>
+#include "PeripheralPins.h"
+
+#define UART_NUM (5)
+
+static uint32_t serial_irq_ids[UART_NUM] = {0, 0, 0, 0, 0};
+
+static uart_irq_handler irq_handler;
+
+UART_HandleTypeDef UartHandle;
+
+int stdio_uart_inited = 0;
+serial_t stdio_uart;
+
+static void init_uart(serial_t *obj)
+{
+ UartHandle.Instance = (USART_TypeDef *)(obj->uart);
+
+ if (obj->uart == LPUART_1) {
+ UartHandle.Init.BaudRate = obj->baudrate >> 1;
+ } else {
+ UartHandle.Init.BaudRate = obj->baudrate;
+ }
+ UartHandle.Init.WordLength = obj->databits;
+ UartHandle.Init.StopBits = obj->stopbits;
+ UartHandle.Init.Parity = obj->parity;
+ UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE;
+
+ if (obj->pin_rx == NC) {
+ UartHandle.Init.Mode = UART_MODE_TX;
+ } else if (obj->pin_tx == NC) {
+ UartHandle.Init.Mode = UART_MODE_RX;
+ } else {
+ UartHandle.Init.Mode = UART_MODE_TX_RX;
+ }
+
+ // Disable the reception overrun detection
+ UartHandle.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_RXOVERRUNDISABLE_INIT;
+ UartHandle.AdvancedInit.OverrunDisable = UART_ADVFEATURE_OVERRUN_DISABLE;
+
+ HAL_UART_Init(&UartHandle);
+}
+
+void serial_init(serial_t *obj, PinName tx, PinName rx)
+{
+ // Determine the UART to use (UART_1, UART_2, ...)
+ UARTName uart_tx = (UARTName)pinmap_peripheral(tx, PinMap_UART_TX);
+ UARTName uart_rx = (UARTName)pinmap_peripheral(rx, PinMap_UART_RX);
+
+ // Get the peripheral name (UART_1, UART_2, ...) from the pin and assign it to the object
+ obj->uart = (UARTName)pinmap_merge(uart_tx, uart_rx);
+ MBED_ASSERT(obj->uart != (UARTName)NC);
+
+ // Enable UART clock
+ if (obj->uart == UART_1) {
+ __HAL_RCC_USART1_CLK_ENABLE();
+ obj->index = 0;
+ }
+
+ if (obj->uart == UART_2) {
+ __HAL_RCC_USART2_CLK_ENABLE();
+ obj->index = 1;
+ }
+
+ if (obj->uart == LPUART_1) {
+ __HAL_RCC_LPUART1_CLK_ENABLE();
+ obj->index = 2;
+ }
+
+#if defined(USART4_BASE)
+ if (obj->uart == UART_4) {
+ __HAL_RCC_USART4_CLK_ENABLE();
+ obj->index = 3;
+ }
+#endif
+
+#if defined(USART5_BASE)
+ if (obj->uart == UART_5) {
+ __HAL_RCC_USART5_CLK_ENABLE();
+ obj->index = 4;
+ }
+#endif
+
+ // Configure the UART pins
+ pinmap_pinout(tx, PinMap_UART_TX);
+ pinmap_pinout(rx, PinMap_UART_RX);
+ if (tx != NC) {
+ pin_mode(tx, PullUp);
+ }
+ if (rx != NC) {
+ pin_mode(rx, PullUp);
+ }
+
+ // Configure UART
+ obj->baudrate = 9600;
+ obj->databits = UART_WORDLENGTH_8B;
+ obj->stopbits = UART_STOPBITS_1;
+ obj->parity = UART_PARITY_NONE;
+ obj->pin_tx = tx;
+ obj->pin_rx = rx;
+
+ init_uart(obj);
+
+ // For stdio management
+ if (obj->uart == STDIO_UART) {
+ stdio_uart_inited = 1;
+ memcpy(&stdio_uart, obj, sizeof(serial_t));
+ }
+}
+
+void serial_free(serial_t *obj)
+{
+ // Reset UART and disable clock
+ if (obj->uart == UART_1) {
+ __HAL_RCC_USART1_FORCE_RESET();
+ __HAL_RCC_USART1_RELEASE_RESET();
+ __HAL_RCC_USART1_CLK_DISABLE();
+ }
+
+ if (obj->uart == UART_2) {
+ __HAL_RCC_USART2_FORCE_RESET();
+ __HAL_RCC_USART2_RELEASE_RESET();
+ __HAL_RCC_USART2_CLK_DISABLE();
+ }
+
+ if (obj->uart == LPUART_1) {
+ __HAL_RCC_LPUART1_FORCE_RESET();
+ __HAL_RCC_LPUART1_RELEASE_RESET();
+ __HAL_RCC_LPUART1_CLK_DISABLE();
+ }
+
+#if defined(USART4_BASE)
+ if (obj->uart == UART_4) {
+ __HAL_RCC_USART4_FORCE_RESET();
+ __HAL_RCC_USART4_RELEASE_RESET();
+ __HAL_RCC_USART4_CLK_DISABLE();
+ }
+#endif
+
+#if defined(USART5_BASE)
+ if (obj->uart == UART_5) {
+ __HAL_RCC_USART5_FORCE_RESET();
+ __HAL_RCC_USART5_RELEASE_RESET();
+ __HAL_RCC_USART5_CLK_DISABLE();
+ }
+#endif
+
+ // Configure GPIOs
+ pin_function(obj->pin_tx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
+ pin_function(obj->pin_rx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
+
+ serial_irq_ids[obj->index] = 0;
+}
+
+void serial_baud(serial_t *obj, int baudrate)
+{
+ obj->baudrate = baudrate;
+ init_uart(obj);
+}
+
+void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits)
+{
+ if (data_bits == 9) {
+ obj->databits = UART_WORDLENGTH_9B;
+ } else {
+ obj->databits = UART_WORDLENGTH_8B;
+ }
+
+ switch (parity) {
+ case ParityOdd:
+ case ParityForced0:
+ obj->parity = UART_PARITY_ODD;
+ break;
+ case ParityEven:
+ case ParityForced1:
+ obj->parity = UART_PARITY_EVEN;
+ break;
+ default: // ParityNone
+ obj->parity = UART_PARITY_NONE;
+ break;
+ }
+
+ if (stop_bits == 2) {
+ obj->stopbits = UART_STOPBITS_2;
+ } else {
+ obj->stopbits = UART_STOPBITS_1;
+ }
+
+ init_uart(obj);
+}
+
+/******************************************************************************
+ * INTERRUPTS HANDLING
+ ******************************************************************************/
+
+static void uart_irq(UARTName name, int id)
+{
+ UartHandle.Instance = (USART_TypeDef *)name;
+ if (serial_irq_ids[id] != 0) {
+ if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TC) != RESET) {
+ irq_handler(serial_irq_ids[id], TxIrq);
+ __HAL_UART_CLEAR_IT(&UartHandle, UART_CLEAR_TCF);
+ }
+ if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) {
+ irq_handler(serial_irq_ids[id], RxIrq);
+ volatile uint32_t tmpval = UartHandle.Instance->RDR; // Clear RXNE bit
+ }
+ }
+}
+
+static void uart1_irq(void)
+{
+ uart_irq(UART_1, 0);
+}
+
+static void uart2_irq(void)
+{
+ uart_irq(UART_2, 1);
+}
+
+static void lpuart1_irq(void)
+{
+ uart_irq(LPUART_1, 2);
+}
+
+#if defined(USART4_BASE)
+static void uart4_irq(void)
+{
+ uart_irq(UART_4, 3);
+}
+#endif
+
+#if defined(USART5_BASE)
+static void uart5_irq(void)
+{
+ uart_irq(UART_5, 4);
+}
+#endif
+
+void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id)
+{
+ irq_handler = handler;
+ serial_irq_ids[obj->index] = id;
+}
+
+void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable)
+{
+ IRQn_Type irq_n = (IRQn_Type)0;
+ uint32_t vector = 0;
+
+ UartHandle.Instance = (USART_TypeDef *)(obj->uart);
+
+ if (obj->uart == UART_1) {
+ irq_n = USART1_IRQn;
+ vector = (uint32_t)&uart1_irq;
+ }
+
+ if (obj->uart == UART_2) {
+ irq_n = USART2_IRQn;
+ vector = (uint32_t)&uart2_irq;
+ }
+
+ if (obj->uart == LPUART_1) {
+ irq_n = RNG_LPUART1_IRQn;
+ vector = (uint32_t)&lpuart1_irq;
+ }
+
+#if defined(USART4_BASE)
+ if (obj->uart == UART_4) {
+ irq_n = USART4_5_IRQn;
+ vector = (uint32_t)&uart4_irq;
+ }
+#endif
+
+#if defined(USART5_BASE)
+ if (obj->uart == UART_5) {
+ irq_n = USART4_5_IRQn;
+ vector = (uint32_t)&uart5_irq;
+ }
+#endif
+
+ if (enable) {
+
+ if (irq == RxIrq) {
+ __HAL_UART_ENABLE_IT(&UartHandle, UART_IT_RXNE);
+ } else { // TxIrq
+ __HAL_UART_ENABLE_IT(&UartHandle, UART_IT_TC);
+ }
+
+ NVIC_SetVector(irq_n, vector);
+ NVIC_EnableIRQ(irq_n);
+
+ } else { // disable
+
+ int all_disabled = 0;
+
+ if (irq == RxIrq) {
+ __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_RXNE);
+ // Check if TxIrq is disabled too
+ if ((UartHandle.Instance->CR1 & USART_CR1_TCIE) == 0) all_disabled = 1;
+ } else { // TxIrq
+ __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_TC);
+ // Check if RxIrq is disabled too
+ if ((UartHandle.Instance->CR1 & USART_CR1_RXNEIE) == 0) all_disabled = 1;
+ }
+
+ if (all_disabled) NVIC_DisableIRQ(irq_n);
+
+ }
+}
+
+/******************************************************************************
+ * READ/WRITE
+ ******************************************************************************/
+
+int serial_getc(serial_t *obj)
+{
+ USART_TypeDef *uart = (USART_TypeDef *)(obj->uart);
+ while (!serial_readable(obj));
+ return (int)(uart->RDR & (uint32_t)0xFF);
+}
+
+void serial_putc(serial_t *obj, int c)
+{
+ USART_TypeDef *uart = (USART_TypeDef *)(obj->uart);
+ while (!serial_writable(obj));
+ uart->TDR = (uint32_t)(c & (uint32_t)0xFF);
+}
+
+int serial_readable(serial_t *obj)
+{
+ int status;
+ UartHandle.Instance = (USART_TypeDef *)(obj->uart);
+ // Check if data is received
+ status = ((__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) ? 1 : 0);
+ return status;
+}
+
+int serial_writable(serial_t *obj)
+{
+ int status;
+ UartHandle.Instance = (USART_TypeDef *)(obj->uart);
+ // Check if data is transmitted
+ status = ((__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TXE) != RESET) ? 1 : 0);
+ return status;
+}
+
+void serial_clear(serial_t *obj)
+{
+ UartHandle.Instance = (USART_TypeDef *)(obj->uart);
+ __HAL_UART_CLEAR_IT(&UartHandle, UART_CLEAR_TCF);
+ __HAL_UART_SEND_REQ(&UartHandle, UART_RXDATA_FLUSH_REQUEST);
+}
+
+void serial_pinout_tx(PinName tx)
+{
+ pinmap_pinout(tx, PinMap_UART_TX);
+}
+
+void serial_break_set(serial_t *obj)
+{
+ UartHandle.Instance = (USART_TypeDef *)(obj->uart);
+ __HAL_UART_SEND_REQ(&UartHandle, UART_SENDBREAK_REQUEST);
+}
+
+void serial_break_clear(serial_t *obj)
+{
+}
+
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/sleep.c Mon Mar 16 09:45:08 2015 +0000
@@ -0,0 +1,61 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+#include "sleep_api.h"
+
+#if DEVICE_SLEEP
+
+#include "cmsis.h"
+
+static TIM_HandleTypeDef TimMasterHandle;
+
+void sleep(void)
+{
+ TimMasterHandle.Instance = TIM21;
+
+ // Disable HAL tick interrupt
+ __HAL_TIM_DISABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
+
+ // Request to enter SLEEP mode
+ HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
+
+ // Enable HAL tick interrupt
+ __HAL_TIM_ENABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
+}
+
+void deepsleep(void)
+{
+ // Request to enter STOP mode with regulator in low power mode
+ HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
+
+ // After wake-up from STOP reconfigure the PLL
+ SetSysClock();
+}
+
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/spi_api.c Mon Mar 16 09:45:08 2015 +0000
@@ -0,0 +1,269 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+#include "mbed_assert.h"
+#include "spi_api.h"
+
+#if DEVICE_SPI
+
+#include <math.h>
+#include "cmsis.h"
+#include "pinmap.h"
+#include "PeripheralPins.h"
+
+static SPI_HandleTypeDef SpiHandle;
+
+static void init_spi(spi_t *obj)
+{
+ SpiHandle.Instance = (SPI_TypeDef *)(obj->spi);
+
+ __HAL_SPI_DISABLE(&SpiHandle);
+
+ SpiHandle.Init.Mode = obj->mode;
+ SpiHandle.Init.BaudRatePrescaler = obj->br_presc;
+ SpiHandle.Init.Direction = SPI_DIRECTION_2LINES;
+ SpiHandle.Init.CLKPhase = obj->cpha;
+ SpiHandle.Init.CLKPolarity = obj->cpol;
+ SpiHandle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLED;
+ SpiHandle.Init.CRCPolynomial = 7;
+ SpiHandle.Init.DataSize = obj->bits;
+ SpiHandle.Init.FirstBit = SPI_FIRSTBIT_MSB;
+ SpiHandle.Init.NSS = obj->nss;
+ SpiHandle.Init.TIMode = SPI_TIMODE_DISABLED;
+
+ HAL_SPI_Init(&SpiHandle);
+
+ __HAL_SPI_ENABLE(&SpiHandle);
+}
+
+void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel)
+{
+ // Determine the SPI to use
+ SPIName spi_mosi = (SPIName)pinmap_peripheral(mosi, PinMap_SPI_MOSI);
+ SPIName spi_miso = (SPIName)pinmap_peripheral(miso, PinMap_SPI_MISO);
+ SPIName spi_sclk = (SPIName)pinmap_peripheral(sclk, PinMap_SPI_SCLK);
+ SPIName spi_ssel = (SPIName)pinmap_peripheral(ssel, PinMap_SPI_SSEL);
+
+ SPIName spi_data = (SPIName)pinmap_merge(spi_mosi, spi_miso);
+ SPIName spi_cntl = (SPIName)pinmap_merge(spi_sclk, spi_ssel);
+
+ obj->spi = (SPIName)pinmap_merge(spi_data, spi_cntl);
+ MBED_ASSERT(obj->spi != (SPIName)NC);
+
+ // Enable SPI clock
+ if (obj->spi == SPI_1) {
+ __SPI1_CLK_ENABLE();
+ }
+ if (obj->spi == SPI_2) {
+ __SPI2_CLK_ENABLE();
+ }
+
+ // Configure the SPI pins
+ pinmap_pinout(mosi, PinMap_SPI_MOSI);
+ pinmap_pinout(miso, PinMap_SPI_MISO);
+ pinmap_pinout(sclk, PinMap_SPI_SCLK);
+
+ // Save new values
+ obj->bits = SPI_DATASIZE_8BIT;
+ obj->cpol = SPI_POLARITY_LOW;
+ obj->cpha = SPI_PHASE_1EDGE;
+ obj->br_presc = SPI_BAUDRATEPRESCALER_256;
+
+ obj->pin_miso = miso;
+ obj->pin_mosi = mosi;
+ obj->pin_sclk = sclk;
+ obj->pin_ssel = ssel;
+
+ if (ssel == NC) { // SW NSS Master mode
+ obj->mode = SPI_MODE_MASTER;
+ obj->nss = SPI_NSS_SOFT;
+ } else { // Slave
+ pinmap_pinout(ssel, PinMap_SPI_SSEL);
+ obj->mode = SPI_MODE_SLAVE;
+ obj->nss = SPI_NSS_HARD_INPUT;
+ }
+
+ init_spi(obj);
+}
+
+void spi_free(spi_t *obj)
+{
+ // Reset SPI and disable clock
+ if (obj->spi == SPI_1) {
+ __SPI1_FORCE_RESET();
+ __SPI1_RELEASE_RESET();
+ __SPI1_CLK_DISABLE();
+ }
+
+ if (obj->spi == SPI_2) {
+ __SPI2_FORCE_RESET();
+ __SPI2_RELEASE_RESET();
+ __SPI2_CLK_DISABLE();
+ }
+
+ // Configure GPIO
+ pin_function(obj->pin_miso, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
+ pin_function(obj->pin_mosi, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
+ pin_function(obj->pin_sclk, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
+ pin_function(obj->pin_ssel, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
+}
+
+void spi_format(spi_t *obj, int bits, int mode, int slave)
+{
+ // Save new values
+ if (bits == 16) {
+ obj->bits = SPI_DATASIZE_16BIT;
+ } else {
+ obj->bits = SPI_DATASIZE_8BIT;
+ }
+
+ switch (mode) {
+ case 0:
+ obj->cpol = SPI_POLARITY_LOW;
+ obj->cpha = SPI_PHASE_1EDGE;
+ break;
+ case 1:
+ obj->cpol = SPI_POLARITY_LOW;
+ obj->cpha = SPI_PHASE_2EDGE;
+ break;
+ case 2:
+ obj->cpol = SPI_POLARITY_HIGH;
+ obj->cpha = SPI_PHASE_1EDGE;
+ break;
+ default:
+ obj->cpol = SPI_POLARITY_HIGH;
+ obj->cpha = SPI_PHASE_2EDGE;
+ break;
+ }
+
+ if (slave == 0) {
+ obj->mode = SPI_MODE_MASTER;
+ obj->nss = SPI_NSS_SOFT;
+ } else {
+ obj->mode = SPI_MODE_SLAVE;
+ obj->nss = SPI_NSS_HARD_INPUT;
+ }
+
+ init_spi(obj);
+}
+
+void spi_frequency(spi_t *obj, int hz)
+{
+ // Note: The frequencies are obtained with SPI1 clock = 32 MHz (APB2 clock)
+ if (hz < 250000) {
+ obj->br_presc = SPI_BAUDRATEPRESCALER_256; // 125 kHz
+ } else if ((hz >= 250000) && (hz < 500000)) {
+ obj->br_presc = SPI_BAUDRATEPRESCALER_128; // 250 kHz
+ } else if ((hz >= 500000) && (hz < 1000000)) {
+ obj->br_presc = SPI_BAUDRATEPRESCALER_64; // 500 kHz
+ } else if ((hz >= 1000000) && (hz < 2000000)) {
+ obj->br_presc = SPI_BAUDRATEPRESCALER_32; // 1 MHz
+ } else if ((hz >= 2000000) && (hz < 4000000)) {
+ obj->br_presc = SPI_BAUDRATEPRESCALER_16; // 2 MHz
+ } else if ((hz >= 4000000) && (hz < 8000000)) {
+ obj->br_presc = SPI_BAUDRATEPRESCALER_8; // 4 MHz
+ } else if ((hz >= 8000000) && (hz < 16000000)) {
+ obj->br_presc = SPI_BAUDRATEPRESCALER_4; // 8 MHz
+ } else { // >= 16000000
+ obj->br_presc = SPI_BAUDRATEPRESCALER_2; // 16 MHz
+ }
+ init_spi(obj);
+}
+
+static inline int ssp_readable(spi_t *obj)
+{
+ int status;
+ SpiHandle.Instance = (SPI_TypeDef *)(obj->spi);
+ // Check if data is received
+ status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_RXNE) != RESET) ? 1 : 0);
+ return status;
+}
+
+static inline int ssp_writeable(spi_t *obj)
+{
+ int status;
+ SpiHandle.Instance = (SPI_TypeDef *)(obj->spi);
+ // Check if data is transmitted
+ status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_TXE) != RESET) ? 1 : 0);
+ return status;
+}
+
+static inline void ssp_write(spi_t *obj, int value)
+{
+ SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi);
+ while (!ssp_writeable(obj));
+ spi->DR = (uint16_t)value;
+}
+
+static inline int ssp_read(spi_t *obj)
+{
+ SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi);
+ while (!ssp_readable(obj));
+ return (int)spi->DR;
+}
+
+static inline int ssp_busy(spi_t *obj)
+{
+ int status;
+ SpiHandle.Instance = (SPI_TypeDef *)(obj->spi);
+ status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_BSY) != RESET) ? 1 : 0);
+ return status;
+}
+
+int spi_master_write(spi_t *obj, int value)
+{
+ ssp_write(obj, value);
+ return ssp_read(obj);
+}
+
+int spi_slave_receive(spi_t *obj)
+{
+ return (ssp_readable(obj) ? 1 : 0);
+};
+
+int spi_slave_read(spi_t *obj)
+{
+ SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi);
+ while (!ssp_readable(obj));
+ return (int)spi->DR;
+}
+
+void spi_slave_write(spi_t *obj, int value)
+{
+ SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi);
+ while (!ssp_writeable(obj));
+ spi->DR = (uint16_t)value;
+}
+
+int spi_busy(spi_t *obj)
+{
+ return ssp_busy(obj);
+}
+
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/us_ticker.c Mon Mar 16 09:45:08 2015 +0000
@@ -0,0 +1,113 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <stddef.h>
+#include "us_ticker_api.h"
+#include "PeripheralNames.h"
+
+// Timer selection
+#define TIM_MST TIM21
+
+static TIM_HandleTypeDef TimMasterHandle;
+static int us_ticker_inited = 0;
+
+volatile uint32_t SlaveCounter = 0;
+volatile uint32_t oc_int_part = 0;
+volatile uint16_t oc_rem_part = 0;
+
+void set_compare(uint16_t count)
+{
+ TimMasterHandle.Instance = TIM_MST;
+ // Set new output compare value
+ __HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, count);
+ // Enable IT
+ __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1);
+}
+
+void us_ticker_init(void)
+{
+ if (us_ticker_inited) return;
+ us_ticker_inited = 1;
+
+ HAL_InitTick(0); // The passed value is not used
+}
+
+uint32_t us_ticker_read()
+{
+ uint32_t counter, counter2;
+ if (!us_ticker_inited) us_ticker_init();
+ // A situation might appear when Master overflows right after Slave is read and before the
+ // new (overflowed) value of Master is read. Which would make the code below consider the
+ // previous (incorrect) value of Slave and the new value of Master, which would return a
+ // value in the past. Avoid this by computing consecutive values of the timer until they
+ // are properly ordered.
+ counter = (uint32_t)(SlaveCounter << 16);
+ counter += TIM_MST->CNT;
+ while (1) {
+ counter2 = (uint32_t)(SlaveCounter << 16);
+ counter2 += TIM_MST->CNT;
+ if (counter2 > counter) {
+ break;
+ }
+ counter = counter2;
+ }
+ return counter2;
+}
+
+void us_ticker_set_interrupt(timestamp_t timestamp)
+{
+ int delta = (int)((uint32_t)timestamp - us_ticker_read());
+ uint16_t cval = TIM_MST->CNT;
+
+ if (delta <= 0) { // This event was in the past
+ us_ticker_irq_handler();
+ } else {
+ oc_int_part = (uint32_t)(delta >> 16);
+ oc_rem_part = (uint16_t)(delta & 0xFFFF);
+ if (oc_rem_part <= (0xFFFF - cval)) {
+ set_compare(cval + oc_rem_part);
+ oc_rem_part = 0;
+ } else {
+ set_compare(0xFFFF);
+ oc_rem_part = oc_rem_part - (0xFFFF - cval);
+ }
+ }
+}
+
+void us_ticker_disable_interrupt(void)
+{
+ TimMasterHandle.Instance = TIM_MST;
+ __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1);
+}
+
+void us_ticker_clear_interrupt(void)
+{
+ TimMasterHandle.Instance = TIM_MST;
+ if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
+ __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC1);
+ }
+}