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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/pinmap.c@268:402bcc0c870b, 2014-07-29 (annotated)

Committer:
mbed_official
Date:
Tue Jul 29 19:00:07 2014 +0100
Revision:
268:402bcc0c870b
Parent:
251:de9a1e4ffd79
Child:
285:31249416b6f9
Synchronized with git revision 490d1a6606b3138f165c5edf2f2370ca616587c0



Full URL: https://github.com/mbedmicro/mbed/commit/490d1a6606b3138f165c5edf2f2370ca616587c0/



[LPC1114] Sleep fix + some device.h settings

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 181:a4cbdfbbd2f4 1 /* mbed Microcontroller Library
mbed_official 181:a4cbdfbbd2f4 2 *******************************************************************************
mbed_official 181:a4cbdfbbd2f4 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 181:a4cbdfbbd2f4 4 * All rights reserved.
mbed_official 181:a4cbdfbbd2f4 5 *
mbed_official 181:a4cbdfbbd2f4 6 * Redistribution and use in source and binary forms, with or without
mbed_official 181:a4cbdfbbd2f4 7 * modification, are permitted provided that the following conditions are met:
mbed_official 181:a4cbdfbbd2f4 8 *
mbed_official 181:a4cbdfbbd2f4 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 181:a4cbdfbbd2f4 10 * this list of conditions and the following disclaimer.
mbed_official 181:a4cbdfbbd2f4 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 181:a4cbdfbbd2f4 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 181:a4cbdfbbd2f4 13 * and/or other materials provided with the distribution.
mbed_official 181:a4cbdfbbd2f4 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 181:a4cbdfbbd2f4 15 * may be used to endorse or promote products derived from this software
mbed_official 181:a4cbdfbbd2f4 16 * without specific prior written permission.
mbed_official 181:a4cbdfbbd2f4 17 *
mbed_official 181:a4cbdfbbd2f4 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 181:a4cbdfbbd2f4 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 181:a4cbdfbbd2f4 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 181:a4cbdfbbd2f4 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 181:a4cbdfbbd2f4 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 181:a4cbdfbbd2f4 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 181:a4cbdfbbd2f4 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 181:a4cbdfbbd2f4 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 181:a4cbdfbbd2f4 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 181:a4cbdfbbd2f4 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 181:a4cbdfbbd2f4 28 *******************************************************************************
mbed_official 181:a4cbdfbbd2f4 29 */
mbed_official 227:7bd0639b8911 30 #include "mbed_assert.h"
mbed_official 181:a4cbdfbbd2f4 31 #include "pinmap.h"
mbed_official 181:a4cbdfbbd2f4 32 #include "PortNames.h"
mbed_official 251:de9a1e4ffd79 33 #include "error.h"
mbed_official 181:a4cbdfbbd2f4 34
mbed_official 181:a4cbdfbbd2f4 35 // GPIO mode look-up table
mbed_official 181:a4cbdfbbd2f4 36 static const uint32_t gpio_mode[12] = {
mbed_official 181:a4cbdfbbd2f4 37 0x00000000, // 0 = GPIO_MODE_INPUT
mbed_official 181:a4cbdfbbd2f4 38 0x00000001, // 1 = GPIO_MODE_OUTPUT_PP
mbed_official 181:a4cbdfbbd2f4 39 0x00000011, // 2 = GPIO_MODE_OUTPUT_OD
mbed_official 181:a4cbdfbbd2f4 40 0x00000002, // 3 = GPIO_MODE_AF_PP
mbed_official 181:a4cbdfbbd2f4 41 0x00000012, // 4 = GPIO_MODE_AF_OD
mbed_official 181:a4cbdfbbd2f4 42 0x00000003, // 5 = GPIO_MODE_ANALOG
mbed_official 181:a4cbdfbbd2f4 43 0x10110000, // 6 = GPIO_MODE_IT_RISING
mbed_official 181:a4cbdfbbd2f4 44 0x10210000, // 7 = GPIO_MODE_IT_FALLING
mbed_official 181:a4cbdfbbd2f4 45 0x10310000, // 8 = GPIO_MODE_IT_RISING_FALLING
mbed_official 181:a4cbdfbbd2f4 46 0x10120000, // 9 = GPIO_MODE_EVT_RISING
mbed_official 181:a4cbdfbbd2f4 47 0x10220000, // 10 = GPIO_MODE_EVT_FALLING
mbed_official 181:a4cbdfbbd2f4 48 0x10320000 // 11 = GPIO_MODE_EVT_RISING_FALLING
mbed_official 181:a4cbdfbbd2f4 49 };
mbed_official 181:a4cbdfbbd2f4 50
mbed_official 181:a4cbdfbbd2f4 51 // Enable GPIO clock and return GPIO base address
mbed_official 181:a4cbdfbbd2f4 52 uint32_t Set_GPIO_Clock(uint32_t port_idx) {
mbed_official 181:a4cbdfbbd2f4 53 uint32_t gpio_add = 0;
mbed_official 181:a4cbdfbbd2f4 54 switch (port_idx) {
mbed_official 181:a4cbdfbbd2f4 55 case PortA:
mbed_official 181:a4cbdfbbd2f4 56 gpio_add = GPIOA_BASE;
mbed_official 181:a4cbdfbbd2f4 57 __GPIOA_CLK_ENABLE();
mbed_official 181:a4cbdfbbd2f4 58 break;
mbed_official 181:a4cbdfbbd2f4 59 case PortB:
mbed_official 181:a4cbdfbbd2f4 60 gpio_add = GPIOB_BASE;
mbed_official 181:a4cbdfbbd2f4 61 __GPIOB_CLK_ENABLE();
mbed_official 181:a4cbdfbbd2f4 62 break;
mbed_official 181:a4cbdfbbd2f4 63 case PortC:
mbed_official 181:a4cbdfbbd2f4 64 gpio_add = GPIOC_BASE;
mbed_official 181:a4cbdfbbd2f4 65 __GPIOC_CLK_ENABLE();
mbed_official 181:a4cbdfbbd2f4 66 break;
mbed_official 181:a4cbdfbbd2f4 67 case PortD:
mbed_official 181:a4cbdfbbd2f4 68 gpio_add = GPIOD_BASE;
mbed_official 181:a4cbdfbbd2f4 69 __GPIOD_CLK_ENABLE();
mbed_official 181:a4cbdfbbd2f4 70 break;
mbed_official 181:a4cbdfbbd2f4 71 case PortH:
mbed_official 181:a4cbdfbbd2f4 72 gpio_add = GPIOH_BASE;
mbed_official 181:a4cbdfbbd2f4 73 __GPIOH_CLK_ENABLE();
mbed_official 181:a4cbdfbbd2f4 74 break;
mbed_official 181:a4cbdfbbd2f4 75 default:
mbed_official 181:a4cbdfbbd2f4 76 error("Pinmap error: wrong port number.");
mbed_official 181:a4cbdfbbd2f4 77 break;
mbed_official 181:a4cbdfbbd2f4 78 }
mbed_official 181:a4cbdfbbd2f4 79 return gpio_add;
mbed_official 181:a4cbdfbbd2f4 80 }
mbed_official 181:a4cbdfbbd2f4 81
mbed_official 181:a4cbdfbbd2f4 82 /**
mbed_official 181:a4cbdfbbd2f4 83 * Configure pin (mode, speed, output type and pull-up/pull-down)
mbed_official 181:a4cbdfbbd2f4 84 */
mbed_official 181:a4cbdfbbd2f4 85 void pin_function(PinName pin, int data) {
mbed_official 227:7bd0639b8911 86 MBED_ASSERT(pin != (PinName)NC);
mbed_official 181:a4cbdfbbd2f4 87 // Get the pin informations
mbed_official 181:a4cbdfbbd2f4 88 uint32_t mode = STM_PIN_MODE(data);
mbed_official 181:a4cbdfbbd2f4 89 uint32_t pupd = STM_PIN_PUPD(data);
mbed_official 181:a4cbdfbbd2f4 90 uint32_t afnum = STM_PIN_AFNUM(data);
mbed_official 181:a4cbdfbbd2f4 91
mbed_official 181:a4cbdfbbd2f4 92 uint32_t port_index = STM_PORT(pin);
mbed_official 181:a4cbdfbbd2f4 93 uint32_t pin_index = STM_PIN(pin);
mbed_official 181:a4cbdfbbd2f4 94
mbed_official 181:a4cbdfbbd2f4 95 // Enable GPIO clock
mbed_official 181:a4cbdfbbd2f4 96 uint32_t gpio_add = Set_GPIO_Clock(port_index);
mbed_official 181:a4cbdfbbd2f4 97 GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
mbed_official 181:a4cbdfbbd2f4 98
mbed_official 181:a4cbdfbbd2f4 99 // Configure GPIO
mbed_official 181:a4cbdfbbd2f4 100 GPIO_InitTypeDef GPIO_InitStructure;
mbed_official 181:a4cbdfbbd2f4 101 GPIO_InitStructure.Pin = (uint32_t)(1 << pin_index);
mbed_official 181:a4cbdfbbd2f4 102 GPIO_InitStructure.Mode = gpio_mode[mode];
mbed_official 181:a4cbdfbbd2f4 103 GPIO_InitStructure.Pull = pupd;
mbed_official 181:a4cbdfbbd2f4 104 GPIO_InitStructure.Speed = GPIO_SPEED_HIGH;
mbed_official 181:a4cbdfbbd2f4 105 GPIO_InitStructure.Alternate = afnum;
mbed_official 181:a4cbdfbbd2f4 106 HAL_GPIO_Init(gpio, &GPIO_InitStructure);
mbed_official 181:a4cbdfbbd2f4 107
mbed_official 181:a4cbdfbbd2f4 108 // [TODO] Disconnect JTAG-DP + SW-DP signals.
mbed_official 181:a4cbdfbbd2f4 109 // Warning: Need to reconnect under reset
mbed_official 181:a4cbdfbbd2f4 110 //if ((pin == PA_13) || (pin == PA_14)) {
mbed_official 181:a4cbdfbbd2f4 111 //
mbed_official 181:a4cbdfbbd2f4 112 //}
mbed_official 181:a4cbdfbbd2f4 113 //if ((pin == PA_15) || (pin == PB_3) || (pin == PB_4)) {
mbed_official 181:a4cbdfbbd2f4 114 //
mbed_official 181:a4cbdfbbd2f4 115 //}
mbed_official 181:a4cbdfbbd2f4 116 }
mbed_official 181:a4cbdfbbd2f4 117
mbed_official 181:a4cbdfbbd2f4 118 /**
mbed_official 181:a4cbdfbbd2f4 119 * Configure pin pull-up/pull-down
mbed_official 181:a4cbdfbbd2f4 120 */
mbed_official 181:a4cbdfbbd2f4 121 void pin_mode(PinName pin, PinMode mode) {
mbed_official 227:7bd0639b8911 122 MBED_ASSERT(pin != (PinName)NC);
mbed_official 181:a4cbdfbbd2f4 123 uint32_t port_index = STM_PORT(pin);
mbed_official 181:a4cbdfbbd2f4 124 uint32_t pin_index = STM_PIN(pin);
mbed_official 181:a4cbdfbbd2f4 125
mbed_official 181:a4cbdfbbd2f4 126 // Enable GPIO clock
mbed_official 181:a4cbdfbbd2f4 127 uint32_t gpio_add = Set_GPIO_Clock(port_index);
mbed_official 181:a4cbdfbbd2f4 128 GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
mbed_official 181:a4cbdfbbd2f4 129
mbed_official 181:a4cbdfbbd2f4 130 // Configure pull-up/pull-down resistors
mbed_official 181:a4cbdfbbd2f4 131 uint32_t pupd = (uint32_t)mode;
mbed_official 227:7bd0639b8911 132 if (pupd > 2)
mbed_official 227:7bd0639b8911 133 pupd = 0; // Open-drain = No pull-up/No pull-down
mbed_official 181:a4cbdfbbd2f4 134 gpio->PUPDR &= (uint32_t)(~(GPIO_PUPDR_PUPD0 << (pin_index * 2)));
mbed_official 181:a4cbdfbbd2f4 135 gpio->PUPDR |= (uint32_t)(pupd << (pin_index * 2));
mbed_official 181:a4cbdfbbd2f4 136
mbed_official 181:a4cbdfbbd2f4 137 }