mbed library sources

Dependents:   Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more

Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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

Import librarymbed

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

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 235:685d5f11838f 1 /* mbed Microcontroller Library
mbed_official 235:685d5f11838f 2 *******************************************************************************
mbed_official 235:685d5f11838f 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 235:685d5f11838f 4 * All rights reserved.
mbed_official 235:685d5f11838f 5 *
mbed_official 235:685d5f11838f 6 * Redistribution and use in source and binary forms, with or without
mbed_official 235:685d5f11838f 7 * modification, are permitted provided that the following conditions are met:
mbed_official 235:685d5f11838f 8 *
mbed_official 235:685d5f11838f 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 235:685d5f11838f 10 * this list of conditions and the following disclaimer.
mbed_official 235:685d5f11838f 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 235:685d5f11838f 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 235:685d5f11838f 13 * and/or other materials provided with the distribution.
mbed_official 235:685d5f11838f 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 235:685d5f11838f 15 * may be used to endorse or promote products derived from this software
mbed_official 235:685d5f11838f 16 * without specific prior written permission.
mbed_official 235:685d5f11838f 17 *
mbed_official 235:685d5f11838f 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 235:685d5f11838f 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 235:685d5f11838f 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 235:685d5f11838f 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 235:685d5f11838f 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 235:685d5f11838f 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 235:685d5f11838f 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 235:685d5f11838f 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 235:685d5f11838f 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 235:685d5f11838f 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 235:685d5f11838f 28 *******************************************************************************
mbed_official 235:685d5f11838f 29 */
mbed_official 235:685d5f11838f 30 #include "mbed_assert.h"
mbed_official 235:685d5f11838f 31 #include "pinmap.h"
mbed_official 235:685d5f11838f 32 #include "PortNames.h"
mbed_official 251:de9a1e4ffd79 33 #include "error.h"
mbed_official 235:685d5f11838f 34
mbed_official 235:685d5f11838f 35 // GPIO mode look-up table
mbed_official 235:685d5f11838f 36 static const uint32_t gpio_mode[12] = {
mbed_official 235:685d5f11838f 37 0x00000000, // 0 = GPIO_MODE_INPUT
mbed_official 235:685d5f11838f 38 0x00000001, // 1 = GPIO_MODE_OUTPUT_PP
mbed_official 235:685d5f11838f 39 0x00000011, // 2 = GPIO_MODE_OUTPUT_OD
mbed_official 235:685d5f11838f 40 0x00000002, // 3 = GPIO_MODE_AF_PP
mbed_official 235:685d5f11838f 41 0x00000012, // 4 = GPIO_MODE_AF_OD
mbed_official 235:685d5f11838f 42 0x00000003, // 5 = GPIO_MODE_ANALOG
mbed_official 235:685d5f11838f 43 0x10110000, // 6 = GPIO_MODE_IT_RISING
mbed_official 235:685d5f11838f 44 0x10210000, // 7 = GPIO_MODE_IT_FALLING
mbed_official 235:685d5f11838f 45 0x10310000, // 8 = GPIO_MODE_IT_RISING_FALLING
mbed_official 235:685d5f11838f 46 0x10120000, // 9 = GPIO_MODE_EVT_RISING
mbed_official 235:685d5f11838f 47 0x10220000, // 10 = GPIO_MODE_EVT_FALLING
mbed_official 235:685d5f11838f 48 0x10320000 // 11 = GPIO_MODE_EVT_RISING_FALLING
mbed_official 235:685d5f11838f 49 };
mbed_official 235:685d5f11838f 50
mbed_official 235:685d5f11838f 51 // Enable GPIO clock and return GPIO base address
mbed_official 235:685d5f11838f 52 uint32_t Set_GPIO_Clock(uint32_t port_idx)
mbed_official 235:685d5f11838f 53 {
mbed_official 235:685d5f11838f 54 uint32_t gpio_add = 0;
mbed_official 235:685d5f11838f 55 switch (port_idx) {
mbed_official 235:685d5f11838f 56 case PortA:
mbed_official 235:685d5f11838f 57 gpio_add = GPIOA_BASE;
mbed_official 235:685d5f11838f 58 __GPIOA_CLK_ENABLE();
mbed_official 235:685d5f11838f 59 break;
mbed_official 235:685d5f11838f 60 case PortB:
mbed_official 235:685d5f11838f 61 gpio_add = GPIOB_BASE;
mbed_official 235:685d5f11838f 62 __GPIOB_CLK_ENABLE();
mbed_official 235:685d5f11838f 63 break;
mbed_official 235:685d5f11838f 64 case PortC:
mbed_official 235:685d5f11838f 65 gpio_add = GPIOC_BASE;
mbed_official 235:685d5f11838f 66 __GPIOC_CLK_ENABLE();
mbed_official 235:685d5f11838f 67 break;
mbed_official 235:685d5f11838f 68 case PortD:
mbed_official 235:685d5f11838f 69 gpio_add = GPIOD_BASE;
mbed_official 235:685d5f11838f 70 __GPIOD_CLK_ENABLE();
mbed_official 235:685d5f11838f 71 break;
mbed_official 235:685d5f11838f 72 case PortH:
mbed_official 235:685d5f11838f 73 gpio_add = GPIOH_BASE;
mbed_official 235:685d5f11838f 74 __GPIOH_CLK_ENABLE();
mbed_official 235:685d5f11838f 75 break;
mbed_official 235:685d5f11838f 76 default:
mbed_official 235:685d5f11838f 77 error("Pinmap error: wrong port number.");
mbed_official 235:685d5f11838f 78 break;
mbed_official 235:685d5f11838f 79 }
mbed_official 235:685d5f11838f 80 return gpio_add;
mbed_official 235:685d5f11838f 81 }
mbed_official 235:685d5f11838f 82
mbed_official 235:685d5f11838f 83 /**
mbed_official 235:685d5f11838f 84 * Configure pin (mode, speed, output type and pull-up/pull-down)
mbed_official 235:685d5f11838f 85 */
mbed_official 235:685d5f11838f 86 void pin_function(PinName pin, int data)
mbed_official 235:685d5f11838f 87 {
mbed_official 235:685d5f11838f 88 MBED_ASSERT(pin != (PinName)NC);
mbed_official 235:685d5f11838f 89 // Get the pin informations
mbed_official 235:685d5f11838f 90 uint32_t mode = STM_PIN_MODE(data);
mbed_official 235:685d5f11838f 91 uint32_t pupd = STM_PIN_PUPD(data);
mbed_official 235:685d5f11838f 92 uint32_t afnum = STM_PIN_AFNUM(data);
mbed_official 235:685d5f11838f 93
mbed_official 235:685d5f11838f 94 uint32_t port_index = STM_PORT(pin);
mbed_official 235:685d5f11838f 95 uint32_t pin_index = STM_PIN(pin);
mbed_official 235:685d5f11838f 96
mbed_official 235:685d5f11838f 97 // Enable GPIO clock
mbed_official 235:685d5f11838f 98 uint32_t gpio_add = Set_GPIO_Clock(port_index);
mbed_official 235:685d5f11838f 99 GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
mbed_official 235:685d5f11838f 100
mbed_official 235:685d5f11838f 101 // Configure GPIO
mbed_official 235:685d5f11838f 102 GPIO_InitTypeDef GPIO_InitStructure;
mbed_official 235:685d5f11838f 103 GPIO_InitStructure.Pin = (uint32_t)(1 << pin_index);
mbed_official 235:685d5f11838f 104 GPIO_InitStructure.Mode = gpio_mode[mode];
mbed_official 235:685d5f11838f 105 GPIO_InitStructure.Pull = pupd;
mbed_official 235:685d5f11838f 106 GPIO_InitStructure.Speed = GPIO_SPEED_HIGH;
mbed_official 235:685d5f11838f 107 GPIO_InitStructure.Alternate = afnum;
mbed_official 235:685d5f11838f 108 HAL_GPIO_Init(gpio, &GPIO_InitStructure);
mbed_official 235:685d5f11838f 109
mbed_official 235:685d5f11838f 110 // [TODO] Disconnect JTAG-DP + SW-DP signals.
mbed_official 235:685d5f11838f 111 // Warning: Need to reconnect under reset
mbed_official 235:685d5f11838f 112 //if ((pin == PA_13) || (pin == PA_14)) {
mbed_official 235:685d5f11838f 113 //
mbed_official 235:685d5f11838f 114 //}
mbed_official 235:685d5f11838f 115 //if ((pin == PA_15) || (pin == PB_3) || (pin == PB_4)) {
mbed_official 235:685d5f11838f 116 //
mbed_official 235:685d5f11838f 117 //}
mbed_official 235:685d5f11838f 118 }
mbed_official 235:685d5f11838f 119
mbed_official 235:685d5f11838f 120 /**
mbed_official 235:685d5f11838f 121 * Configure pin pull-up/pull-down
mbed_official 235:685d5f11838f 122 */
mbed_official 235:685d5f11838f 123 void pin_mode(PinName pin, PinMode mode)
mbed_official 235:685d5f11838f 124 {
mbed_official 235:685d5f11838f 125 MBED_ASSERT(pin != (PinName)NC);
mbed_official 235:685d5f11838f 126 uint32_t port_index = STM_PORT(pin);
mbed_official 235:685d5f11838f 127 uint32_t pin_index = STM_PIN(pin);
mbed_official 235:685d5f11838f 128
mbed_official 235:685d5f11838f 129 // Enable GPIO clock
mbed_official 235:685d5f11838f 130 uint32_t gpio_add = Set_GPIO_Clock(port_index);
mbed_official 235:685d5f11838f 131 GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
mbed_official 235:685d5f11838f 132
mbed_official 235:685d5f11838f 133 // Configure pull-up/pull-down resistors
mbed_official 235:685d5f11838f 134 uint32_t pupd = (uint32_t)mode;
mbed_official 235:685d5f11838f 135 if (pupd > 2)
mbed_official 235:685d5f11838f 136 pupd = 0; // Open-drain = No pull-up/No pull-down
mbed_official 235:685d5f11838f 137 gpio->PUPDR &= (uint32_t)(~(GPIO_PUPDR_PUPDR0 << (pin_index * 2)));
mbed_official 235:685d5f11838f 138 gpio->PUPDR |= (uint32_t)(pupd << (pin_index * 2));
mbed_official 235:685d5f11838f 139
mbed_official 235:685d5f11838f 140 }