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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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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_NUCLEO_F072RB/pinmap.c@440:8a0b45cd594f, 2014-12-16 (annotated)

Committer:
mbed_official
Date:
Tue Dec 16 08:15:08 2014 +0000
Revision:
440:8a0b45cd594f
Parent:
402:09075a3b15e3 
Synchronized with git revision 67fbbf0b635d0c0d93fbe433306c537c2ad206aa



Full URL: https://github.com/mbedmicro/mbed/commit/67fbbf0b635d0c0d93fbe433306c537c2ad206aa/



Targets: nrf51 - updating app_timer.c from Norid'c SDKv7.1.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 219:993c9b0acbcc 1 /* mbed Microcontroller Library
mbed_official 219:993c9b0acbcc 2 *******************************************************************************
mbed_official 219:993c9b0acbcc 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 219:993c9b0acbcc 4 * All rights reserved.
mbed_official 219:993c9b0acbcc 5 *
mbed_official 219:993c9b0acbcc 6 * Redistribution and use in source and binary forms, with or without
mbed_official 219:993c9b0acbcc 7 * modification, are permitted provided that the following conditions are met:
mbed_official 219:993c9b0acbcc 8 *
mbed_official 219:993c9b0acbcc 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 219:993c9b0acbcc 10 * this list of conditions and the following disclaimer.
mbed_official 219:993c9b0acbcc 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 219:993c9b0acbcc 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 219:993c9b0acbcc 13 * and/or other materials provided with the distribution.
mbed_official 219:993c9b0acbcc 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 219:993c9b0acbcc 15 * may be used to endorse or promote products derived from this software
mbed_official 219:993c9b0acbcc 16 * without specific prior written permission.
mbed_official 219:993c9b0acbcc 17 *
mbed_official 219:993c9b0acbcc 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 219:993c9b0acbcc 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 219:993c9b0acbcc 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 219:993c9b0acbcc 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 219:993c9b0acbcc 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 219:993c9b0acbcc 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 219:993c9b0acbcc 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 219:993c9b0acbcc 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 219:993c9b0acbcc 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 219:993c9b0acbcc 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 219:993c9b0acbcc 28 *******************************************************************************
mbed_official 219:993c9b0acbcc 29 */
mbed_official 239:8cadf13dff33 30 #include "mbed_assert.h"
mbed_official 219:993c9b0acbcc 31 #include "pinmap.h"
mbed_official 219:993c9b0acbcc 32 #include "PortNames.h"
mbed_official 285:31249416b6f9 33 #include "mbed_error.h"
mbed_official 219:993c9b0acbcc 34
mbed_official 219:993c9b0acbcc 35 // GPIO mode look-up table
mbed_official 331:098575c6d2c8 36 static const uint32_t gpio_mode[13] = {
mbed_official 219:993c9b0acbcc 37 0x00000000, // 0 = GPIO_MODE_INPUT
mbed_official 219:993c9b0acbcc 38 0x00000001, // 1 = GPIO_MODE_OUTPUT_PP
mbed_official 219:993c9b0acbcc 39 0x00000011, // 2 = GPIO_MODE_OUTPUT_OD
mbed_official 219:993c9b0acbcc 40 0x00000002, // 3 = GPIO_MODE_AF_PP
mbed_official 219:993c9b0acbcc 41 0x00000012, // 4 = GPIO_MODE_AF_OD
mbed_official 219:993c9b0acbcc 42 0x00000003, // 5 = GPIO_MODE_ANALOG
mbed_official 219:993c9b0acbcc 43 0x10110000, // 6 = GPIO_MODE_IT_RISING
mbed_official 219:993c9b0acbcc 44 0x10210000, // 7 = GPIO_MODE_IT_FALLING
mbed_official 219:993c9b0acbcc 45 0x10310000, // 8 = GPIO_MODE_IT_RISING_FALLING
mbed_official 219:993c9b0acbcc 46 0x10120000, // 9 = GPIO_MODE_EVT_RISING
mbed_official 219:993c9b0acbcc 47 0x10220000, // 10 = GPIO_MODE_EVT_FALLING
mbed_official 331:098575c6d2c8 48 0x10320000, // 11 = GPIO_MODE_EVT_RISING_FALLING
mbed_official 331:098575c6d2c8 49 0x10000000 // 12 = Reset IT and EVT (not in STM32Cube HAL)
mbed_official 219:993c9b0acbcc 50 };
mbed_official 219:993c9b0acbcc 51
mbed_official 219:993c9b0acbcc 52 // Enable GPIO clock and return GPIO base address
mbed_official 402:09075a3b15e3 53 uint32_t Set_GPIO_Clock(uint32_t port_idx)
mbed_official 402:09075a3b15e3 54 {
mbed_official 219:993c9b0acbcc 55 uint32_t gpio_add = 0;
mbed_official 219:993c9b0acbcc 56 switch (port_idx) {
mbed_official 219:993c9b0acbcc 57 case PortA:
mbed_official 219:993c9b0acbcc 58 gpio_add = GPIOA_BASE;
mbed_official 219:993c9b0acbcc 59 __GPIOA_CLK_ENABLE();
mbed_official 219:993c9b0acbcc 60 break;
mbed_official 219:993c9b0acbcc 61 case PortB:
mbed_official 219:993c9b0acbcc 62 gpio_add = GPIOB_BASE;
mbed_official 219:993c9b0acbcc 63 __GPIOB_CLK_ENABLE();
mbed_official 219:993c9b0acbcc 64 break;
mbed_official 219:993c9b0acbcc 65 case PortC:
mbed_official 219:993c9b0acbcc 66 gpio_add = GPIOC_BASE;
mbed_official 219:993c9b0acbcc 67 __GPIOC_CLK_ENABLE();
mbed_official 219:993c9b0acbcc 68 break;
mbed_official 219:993c9b0acbcc 69 case PortD:
mbed_official 219:993c9b0acbcc 70 gpio_add = GPIOD_BASE;
mbed_official 219:993c9b0acbcc 71 __GPIOD_CLK_ENABLE();
mbed_official 219:993c9b0acbcc 72 break;
mbed_official 219:993c9b0acbcc 73 case PortF:
mbed_official 219:993c9b0acbcc 74 gpio_add = GPIOF_BASE;
mbed_official 219:993c9b0acbcc 75 __GPIOF_CLK_ENABLE();
mbed_official 219:993c9b0acbcc 76 break;
mbed_official 219:993c9b0acbcc 77 default:
mbed_official 219:993c9b0acbcc 78 error("Pinmap error: wrong port number.");
mbed_official 219:993c9b0acbcc 79 break;
mbed_official 219:993c9b0acbcc 80 }
mbed_official 219:993c9b0acbcc 81 return gpio_add;
mbed_official 219:993c9b0acbcc 82 }
mbed_official 219:993c9b0acbcc 83
mbed_official 219:993c9b0acbcc 84 /**
mbed_official 219:993c9b0acbcc 85 * Configure pin (mode, speed, output type and pull-up/pull-down)
mbed_official 219:993c9b0acbcc 86 */
mbed_official 402:09075a3b15e3 87 void pin_function(PinName pin, int data)
mbed_official 402:09075a3b15e3 88 {
mbed_official 239:8cadf13dff33 89 MBED_ASSERT(pin != (PinName)NC);
mbed_official 219:993c9b0acbcc 90
mbed_official 219:993c9b0acbcc 91 // Get the pin informations
mbed_official 219:993c9b0acbcc 92 uint32_t mode = STM_PIN_MODE(data);
mbed_official 219:993c9b0acbcc 93 uint32_t pupd = STM_PIN_PUPD(data);
mbed_official 219:993c9b0acbcc 94 uint32_t afnum = STM_PIN_AFNUM(data);
mbed_official 219:993c9b0acbcc 95
mbed_official 219:993c9b0acbcc 96 uint32_t port_index = STM_PORT(pin);
mbed_official 219:993c9b0acbcc 97 uint32_t pin_index = STM_PIN(pin);
mbed_official 219:993c9b0acbcc 98
mbed_official 219:993c9b0acbcc 99 // Enable GPIO clock
mbed_official 219:993c9b0acbcc 100 uint32_t gpio_add = Set_GPIO_Clock(port_index);
mbed_official 219:993c9b0acbcc 101 GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
mbed_official 219:993c9b0acbcc 102
mbed_official 219:993c9b0acbcc 103 // Configure GPIO
mbed_official 219:993c9b0acbcc 104 GPIO_InitTypeDef GPIO_InitStructure;
mbed_official 219:993c9b0acbcc 105 GPIO_InitStructure.Pin = (uint32_t)(1 << pin_index);
mbed_official 219:993c9b0acbcc 106 GPIO_InitStructure.Mode = gpio_mode[mode];
mbed_official 219:993c9b0acbcc 107 GPIO_InitStructure.Pull = pupd;
mbed_official 219:993c9b0acbcc 108 GPIO_InitStructure.Speed = GPIO_SPEED_HIGH;
mbed_official 219:993c9b0acbcc 109 GPIO_InitStructure.Alternate = afnum;
mbed_official 219:993c9b0acbcc 110 HAL_GPIO_Init(gpio, &GPIO_InitStructure);
mbed_official 219:993c9b0acbcc 111
mbed_official 219:993c9b0acbcc 112 // [TODO] Disconnect SWDIO and SWCLK signals ?
mbed_official 219:993c9b0acbcc 113 // Warning: For debugging it is necessary to reconnect under reset if this is done.
mbed_official 219:993c9b0acbcc 114 //if ((pin == PA_13) || (pin == PA_14)) {
mbed_official 219:993c9b0acbcc 115 //
mbed_official 219:993c9b0acbcc 116 //}
mbed_official 219:993c9b0acbcc 117 }
mbed_official 219:993c9b0acbcc 118
mbed_official 219:993c9b0acbcc 119 /**
mbed_official 219:993c9b0acbcc 120 * Configure pin pull-up/pull-down
mbed_official 219:993c9b0acbcc 121 */
mbed_official 402:09075a3b15e3 122 void pin_mode(PinName pin, PinMode mode)
mbed_official 402:09075a3b15e3 123 {
mbed_official 239:8cadf13dff33 124 MBED_ASSERT(pin != (PinName)NC);
mbed_official 219:993c9b0acbcc 125
mbed_official 219:993c9b0acbcc 126 uint32_t port_index = STM_PORT(pin);
mbed_official 219:993c9b0acbcc 127 uint32_t pin_index = STM_PIN(pin);
mbed_official 219:993c9b0acbcc 128
mbed_official 219:993c9b0acbcc 129 // Enable GPIO clock
mbed_official 219:993c9b0acbcc 130 uint32_t gpio_add = Set_GPIO_Clock(port_index);
mbed_official 219:993c9b0acbcc 131 GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
mbed_official 219:993c9b0acbcc 132
mbed_official 219:993c9b0acbcc 133 // Configure pull-up/pull-down resistors
mbed_official 219:993c9b0acbcc 134 uint32_t pupd = (uint32_t)mode;
mbed_official 219:993c9b0acbcc 135 if (pupd > 2) pupd = 0; // Open-drain = No pull-up/No pull-down
mbed_official 219:993c9b0acbcc 136 gpio->PUPDR &= (uint32_t)(~(GPIO_PUPDR_PUPDR0 << (pin_index * 2)));
mbed_official 219:993c9b0acbcc 137 gpio->PUPDR |= (uint32_t)(pupd << (pin_index * 2));
mbed_official 219:993c9b0acbcc 138
mbed_official 219:993c9b0acbcc 139 }