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mbed library sources

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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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

Import librarymbed

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_DISCO_F051R8/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 130:1dec54e4aec3 1 /* mbed Microcontroller Library
mbed_official 130:1dec54e4aec3 2 *******************************************************************************
mbed_official 130:1dec54e4aec3 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 130:1dec54e4aec3 4 * All rights reserved.
mbed_official 130:1dec54e4aec3 5 *
mbed_official 130:1dec54e4aec3 6 * Redistribution and use in source and binary forms, with or without
mbed_official 130:1dec54e4aec3 7 * modification, are permitted provided that the following conditions are met:
mbed_official 130:1dec54e4aec3 8 *
mbed_official 130:1dec54e4aec3 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 130:1dec54e4aec3 10 * this list of conditions and the following disclaimer.
mbed_official 130:1dec54e4aec3 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 130:1dec54e4aec3 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 130:1dec54e4aec3 13 * and/or other materials provided with the distribution.
mbed_official 130:1dec54e4aec3 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 130:1dec54e4aec3 15 * may be used to endorse or promote products derived from this software
mbed_official 130:1dec54e4aec3 16 * without specific prior written permission.
mbed_official 130:1dec54e4aec3 17 *
mbed_official 130:1dec54e4aec3 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 130:1dec54e4aec3 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 130:1dec54e4aec3 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 130:1dec54e4aec3 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 130:1dec54e4aec3 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 130:1dec54e4aec3 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 130:1dec54e4aec3 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 130:1dec54e4aec3 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 130:1dec54e4aec3 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 130:1dec54e4aec3 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 130:1dec54e4aec3 28 *******************************************************************************
mbed_official 130:1dec54e4aec3 29 */
mbed_official 227:7bd0639b8911 30 #include "mbed_assert.h"
mbed_official 130:1dec54e4aec3 31 #include "pinmap.h"
mbed_official 240:9a7c54113eaf 32 #include "PortNames.h"
mbed_official 251:de9a1e4ffd79 33 #include "error.h"
mbed_official 130:1dec54e4aec3 34
mbed_official 130:1dec54e4aec3 35 // Enable GPIO clock and return GPIO base address
mbed_official 130:1dec54e4aec3 36 uint32_t Set_GPIO_Clock(uint32_t port_idx) {
mbed_official 130:1dec54e4aec3 37 uint32_t gpio_add = 0;
mbed_official 130:1dec54e4aec3 38 switch (port_idx) {
mbed_official 130:1dec54e4aec3 39 case PortA:
mbed_official 130:1dec54e4aec3 40 gpio_add = GPIOA_BASE;
mbed_official 130:1dec54e4aec3 41 RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
mbed_official 130:1dec54e4aec3 42 break;
mbed_official 130:1dec54e4aec3 43 case PortB:
mbed_official 130:1dec54e4aec3 44 gpio_add = GPIOB_BASE;
mbed_official 130:1dec54e4aec3 45 RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE);
mbed_official 130:1dec54e4aec3 46 break;
mbed_official 130:1dec54e4aec3 47 case PortC:
mbed_official 130:1dec54e4aec3 48 gpio_add = GPIOC_BASE;
mbed_official 130:1dec54e4aec3 49 RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOC, ENABLE);
mbed_official 130:1dec54e4aec3 50 break;
mbed_official 130:1dec54e4aec3 51 case PortD:
mbed_official 130:1dec54e4aec3 52 gpio_add = GPIOD_BASE;
mbed_official 130:1dec54e4aec3 53 RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOD, ENABLE);
mbed_official 130:1dec54e4aec3 54 break;
mbed_official 130:1dec54e4aec3 55 case PortF:
mbed_official 130:1dec54e4aec3 56 gpio_add = GPIOF_BASE;
mbed_official 130:1dec54e4aec3 57 RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOF, ENABLE);
mbed_official 130:1dec54e4aec3 58 break;
mbed_official 130:1dec54e4aec3 59 default:
mbed_official 130:1dec54e4aec3 60 error("Port number is not correct.");
mbed_official 130:1dec54e4aec3 61 break;
mbed_official 130:1dec54e4aec3 62 }
mbed_official 130:1dec54e4aec3 63 return gpio_add;
mbed_official 130:1dec54e4aec3 64 }
mbed_official 130:1dec54e4aec3 65
mbed_official 130:1dec54e4aec3 66 /**
mbed_official 130:1dec54e4aec3 67 * Configure pin (mode, speed, output type and pull-up/pull-down)
mbed_official 130:1dec54e4aec3 68 */
mbed_official 130:1dec54e4aec3 69 void pin_function(PinName pin, int data) {
mbed_official 227:7bd0639b8911 70 MBED_ASSERT(pin != (PinName)NC);
mbed_official 130:1dec54e4aec3 71 // Get the pin informations
mbed_official 130:1dec54e4aec3 72 uint32_t mode = STM_PIN_MODE(data);
mbed_official 130:1dec54e4aec3 73 uint32_t otype = STM_PIN_OTYPE(data);
mbed_official 130:1dec54e4aec3 74 uint32_t pupd = STM_PIN_PUPD(data);
mbed_official 130:1dec54e4aec3 75 uint32_t afnum = STM_PIN_AFNUM(data);
mbed_official 130:1dec54e4aec3 76
mbed_official 130:1dec54e4aec3 77 uint32_t port_index = STM_PORT(pin);
mbed_official 130:1dec54e4aec3 78 uint32_t pin_index = STM_PIN(pin);
mbed_official 130:1dec54e4aec3 79
mbed_official 130:1dec54e4aec3 80 // Enable GPIO clock
mbed_official 130:1dec54e4aec3 81 uint32_t gpio_add = Set_GPIO_Clock(port_index);
mbed_official 130:1dec54e4aec3 82 GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
mbed_official 130:1dec54e4aec3 83
mbed_official 130:1dec54e4aec3 84 // Configure Alternate Function
mbed_official 130:1dec54e4aec3 85 // Warning: Must be done before the GPIO is initialized
mbed_official 130:1dec54e4aec3 86 if (afnum != 0xFF) {
mbed_official 130:1dec54e4aec3 87 GPIO_PinAFConfig(gpio, (uint16_t)pin_index, afnum);
mbed_official 130:1dec54e4aec3 88 }
mbed_official 130:1dec54e4aec3 89
mbed_official 130:1dec54e4aec3 90 // Configure GPIO
mbed_official 130:1dec54e4aec3 91 GPIO_InitTypeDef GPIO_InitStructure;
mbed_official 130:1dec54e4aec3 92 GPIO_InitStructure.GPIO_Pin = (uint16_t)(1 << pin_index);
mbed_official 130:1dec54e4aec3 93 GPIO_InitStructure.GPIO_Mode = (GPIOMode_TypeDef)mode;
mbed_official 130:1dec54e4aec3 94 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_Level_3;
mbed_official 130:1dec54e4aec3 95 GPIO_InitStructure.GPIO_OType = (GPIOOType_TypeDef)otype;
mbed_official 130:1dec54e4aec3 96 GPIO_InitStructure.GPIO_PuPd = (GPIOPuPd_TypeDef)pupd;
mbed_official 130:1dec54e4aec3 97 GPIO_Init(gpio, &GPIO_InitStructure);
mbed_official 130:1dec54e4aec3 98
mbed_official 130:1dec54e4aec3 99 // *** TODO ***
mbed_official 130:1dec54e4aec3 100 // Disconnect JTAG-DP + SW-DP signals.
mbed_official 130:1dec54e4aec3 101 // Warning: Need to reconnect under reset
mbed_official 130:1dec54e4aec3 102 //if ((pin == PA_13) || (pin == PA_14)) {
mbed_official 130:1dec54e4aec3 103 //
mbed_official 130:1dec54e4aec3 104 //}
mbed_official 130:1dec54e4aec3 105 //if ((pin == PA_15) || (pin == PB_3) || (pin == PB_4)) {
mbed_official 130:1dec54e4aec3 106 //
mbed_official 227:7bd0639b8911 107 //}
mbed_official 130:1dec54e4aec3 108 }
mbed_official 130:1dec54e4aec3 109
mbed_official 130:1dec54e4aec3 110 /**
mbed_official 130:1dec54e4aec3 111 * Configure pin pull-up/pull-down
mbed_official 130:1dec54e4aec3 112 */
mbed_official 130:1dec54e4aec3 113 void pin_mode(PinName pin, PinMode mode) {
mbed_official 227:7bd0639b8911 114 MBED_ASSERT(pin != (PinName)NC);
mbed_official 130:1dec54e4aec3 115 uint32_t port_index = STM_PORT(pin);
mbed_official 130:1dec54e4aec3 116 uint32_t pin_index = STM_PIN(pin);
mbed_official 130:1dec54e4aec3 117
mbed_official 130:1dec54e4aec3 118 // Enable GPIO clock
mbed_official 130:1dec54e4aec3 119 uint32_t gpio_add = Set_GPIO_Clock(port_index);
mbed_official 130:1dec54e4aec3 120 GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
mbed_official 130:1dec54e4aec3 121
mbed_official 130:1dec54e4aec3 122 // Configure pull-up/pull-down resistors
mbed_official 130:1dec54e4aec3 123 uint32_t pupd = (uint32_t)mode;
mbed_official 240:9a7c54113eaf 124 if (pupd > 2) pupd = 0; // Open-drain = No pull-up/No pull-down
mbed_official 130:1dec54e4aec3 125 gpio->PUPDR &= (uint32_t)(~(GPIO_PUPDR_PUPDR0 << (pin_index * 2)));
mbed_official 130:1dec54e4aec3 126 gpio->PUPDR |= (uint32_t)(pupd << (pin_index * 2));
mbed_official 130:1dec54e4aec3 127
mbed_official 130:1dec54e4aec3 128 }