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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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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

Last commit 20 Feb 2019 by mbed official

targets/hal/TARGET_STM/TARGET_DISCO_F334C8/pinmap.c@440:8a0b45cd594f, 2014-12-16 (annotated)

Committer:
mbed_official
Date:
Tue Dec 16 08:15:08 2014 +0000
Revision:
440:8a0b45cd594f
Parent:
381:5460fc57b6e4 
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 381:5460fc57b6e4 1 /* mbed Microcontroller Library
mbed_official 381:5460fc57b6e4 2 *******************************************************************************
mbed_official 381:5460fc57b6e4 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 381:5460fc57b6e4 4 * All rights reserved.
mbed_official 381:5460fc57b6e4 5 *
mbed_official 381:5460fc57b6e4 6 * Redistribution and use in source and binary forms, with or without
mbed_official 381:5460fc57b6e4 7 * modification, are permitted provided that the following conditions are met:
mbed_official 381:5460fc57b6e4 8 *
mbed_official 381:5460fc57b6e4 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 381:5460fc57b6e4 10 * this list of conditions and the following disclaimer.
mbed_official 381:5460fc57b6e4 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 381:5460fc57b6e4 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 381:5460fc57b6e4 13 * and/or other materials provided with the distribution.
mbed_official 381:5460fc57b6e4 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 381:5460fc57b6e4 15 * may be used to endorse or promote products derived from this software
mbed_official 381:5460fc57b6e4 16 * without specific prior written permission.
mbed_official 381:5460fc57b6e4 17 *
mbed_official 381:5460fc57b6e4 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 381:5460fc57b6e4 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 381:5460fc57b6e4 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 381:5460fc57b6e4 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 381:5460fc57b6e4 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 381:5460fc57b6e4 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 381:5460fc57b6e4 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 381:5460fc57b6e4 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 381:5460fc57b6e4 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 381:5460fc57b6e4 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 381:5460fc57b6e4 28 *******************************************************************************
mbed_official 381:5460fc57b6e4 29 */
mbed_official 381:5460fc57b6e4 30 #include "mbed_assert.h"
mbed_official 381:5460fc57b6e4 31 #include "pinmap.h"
mbed_official 381:5460fc57b6e4 32 #include "PortNames.h"
mbed_official 381:5460fc57b6e4 33 #include "mbed_error.h"
mbed_official 381:5460fc57b6e4 34
mbed_official 381:5460fc57b6e4 35 // GPIO mode look-up table
mbed_official 381:5460fc57b6e4 36 static const uint32_t gpio_mode[13] = {
mbed_official 381:5460fc57b6e4 37 0x00000000, // 0 = GPIO_MODE_INPUT
mbed_official 381:5460fc57b6e4 38 0x00000001, // 1 = GPIO_MODE_OUTPUT_PP
mbed_official 381:5460fc57b6e4 39 0x00000011, // 2 = GPIO_MODE_OUTPUT_OD
mbed_official 381:5460fc57b6e4 40 0x00000002, // 3 = GPIO_MODE_AF_PP
mbed_official 381:5460fc57b6e4 41 0x00000012, // 4 = GPIO_MODE_AF_OD
mbed_official 381:5460fc57b6e4 42 0x00000003, // 5 = GPIO_MODE_ANALOG
mbed_official 381:5460fc57b6e4 43 0x10110000, // 6 = GPIO_MODE_IT_RISING
mbed_official 381:5460fc57b6e4 44 0x10210000, // 7 = GPIO_MODE_IT_FALLING
mbed_official 381:5460fc57b6e4 45 0x10310000, // 8 = GPIO_MODE_IT_RISING_FALLING
mbed_official 381:5460fc57b6e4 46 0x10120000, // 9 = GPIO_MODE_EVT_RISING
mbed_official 381:5460fc57b6e4 47 0x10220000, // 10 = GPIO_MODE_EVT_FALLING
mbed_official 381:5460fc57b6e4 48 0x10320000, // 11 = GPIO_MODE_EVT_RISING_FALLING
mbed_official 381:5460fc57b6e4 49 0x10000000 // 12 = Reset IT and EVT (not in STM32Cube HAL)
mbed_official 381:5460fc57b6e4 50 };
mbed_official 381:5460fc57b6e4 51
mbed_official 381:5460fc57b6e4 52 // Enable GPIO clock and return GPIO base address
mbed_official 381:5460fc57b6e4 53 uint32_t Set_GPIO_Clock(uint32_t port_idx)
mbed_official 381:5460fc57b6e4 54 {
mbed_official 381:5460fc57b6e4 55 uint32_t gpio_add = 0;
mbed_official 381:5460fc57b6e4 56 switch (port_idx) {
mbed_official 381:5460fc57b6e4 57 case PortA:
mbed_official 381:5460fc57b6e4 58 gpio_add = GPIOA_BASE;
mbed_official 381:5460fc57b6e4 59 __GPIOA_CLK_ENABLE();
mbed_official 381:5460fc57b6e4 60 break;
mbed_official 381:5460fc57b6e4 61 case PortB:
mbed_official 381:5460fc57b6e4 62 gpio_add = GPIOB_BASE;
mbed_official 381:5460fc57b6e4 63 __GPIOB_CLK_ENABLE();
mbed_official 381:5460fc57b6e4 64 break;
mbed_official 381:5460fc57b6e4 65 case PortC:
mbed_official 381:5460fc57b6e4 66 gpio_add = GPIOC_BASE;
mbed_official 381:5460fc57b6e4 67 __GPIOC_CLK_ENABLE();
mbed_official 381:5460fc57b6e4 68 break;
mbed_official 381:5460fc57b6e4 69 case PortD:
mbed_official 381:5460fc57b6e4 70 gpio_add = GPIOD_BASE;
mbed_official 381:5460fc57b6e4 71 __GPIOD_CLK_ENABLE();
mbed_official 381:5460fc57b6e4 72 break;
mbed_official 381:5460fc57b6e4 73 case PortF:
mbed_official 381:5460fc57b6e4 74 gpio_add = GPIOF_BASE;
mbed_official 381:5460fc57b6e4 75 __GPIOF_CLK_ENABLE();
mbed_official 381:5460fc57b6e4 76 break;
mbed_official 381:5460fc57b6e4 77 default:
mbed_official 381:5460fc57b6e4 78 error("Pinmap error: wrong port number.");
mbed_official 381:5460fc57b6e4 79 break;
mbed_official 381:5460fc57b6e4 80 }
mbed_official 381:5460fc57b6e4 81 return gpio_add;
mbed_official 381:5460fc57b6e4 82 }
mbed_official 381:5460fc57b6e4 83
mbed_official 381:5460fc57b6e4 84 /**
mbed_official 381:5460fc57b6e4 85 * Configure pin (mode, speed, output type and pull-up/pull-down)
mbed_official 381:5460fc57b6e4 86 */
mbed_official 381:5460fc57b6e4 87 void pin_function(PinName pin, int data)
mbed_official 381:5460fc57b6e4 88 {
mbed_official 381:5460fc57b6e4 89 MBED_ASSERT(pin != (PinName)NC);
mbed_official 381:5460fc57b6e4 90 // Get the pin informations
mbed_official 381:5460fc57b6e4 91 uint32_t mode = STM_PIN_MODE(data);
mbed_official 381:5460fc57b6e4 92 uint32_t pupd = STM_PIN_PUPD(data);
mbed_official 381:5460fc57b6e4 93 uint32_t afnum = STM_PIN_AFNUM(data);
mbed_official 381:5460fc57b6e4 94
mbed_official 381:5460fc57b6e4 95 uint32_t port_index = STM_PORT(pin);
mbed_official 381:5460fc57b6e4 96 uint32_t pin_index = STM_PIN(pin);
mbed_official 381:5460fc57b6e4 97
mbed_official 381:5460fc57b6e4 98 // Enable GPIO clock
mbed_official 381:5460fc57b6e4 99 uint32_t gpio_add = Set_GPIO_Clock(port_index);
mbed_official 381:5460fc57b6e4 100 GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
mbed_official 381:5460fc57b6e4 101
mbed_official 381:5460fc57b6e4 102 // Configure GPIO
mbed_official 381:5460fc57b6e4 103 GPIO_InitTypeDef GPIO_InitStructure;
mbed_official 381:5460fc57b6e4 104 GPIO_InitStructure.Pin = (uint32_t)(1 << pin_index);
mbed_official 381:5460fc57b6e4 105 GPIO_InitStructure.Mode = gpio_mode[mode];
mbed_official 381:5460fc57b6e4 106 GPIO_InitStructure.Pull = pupd;
mbed_official 381:5460fc57b6e4 107 GPIO_InitStructure.Speed = GPIO_SPEED_HIGH;
mbed_official 381:5460fc57b6e4 108 GPIO_InitStructure.Alternate = afnum;
mbed_official 381:5460fc57b6e4 109 HAL_GPIO_Init(gpio, &GPIO_InitStructure);
mbed_official 381:5460fc57b6e4 110
mbed_official 381:5460fc57b6e4 111 // [TODO] Disconnect JTAG-DP + SW-DP signals.
mbed_official 381:5460fc57b6e4 112 // Warning: Need to reconnect under reset
mbed_official 381:5460fc57b6e4 113 //if ((pin == PA_13) || (pin == PA_14)) {
mbed_official 381:5460fc57b6e4 114 //
mbed_official 381:5460fc57b6e4 115 //}
mbed_official 381:5460fc57b6e4 116 }
mbed_official 381:5460fc57b6e4 117
mbed_official 381:5460fc57b6e4 118 /**
mbed_official 381:5460fc57b6e4 119 * Configure pin pull-up/pull-down
mbed_official 381:5460fc57b6e4 120 */
mbed_official 381:5460fc57b6e4 121 void pin_mode(PinName pin, PinMode mode)
mbed_official 381:5460fc57b6e4 122 {
mbed_official 381:5460fc57b6e4 123 MBED_ASSERT(pin != (PinName)NC);
mbed_official 381:5460fc57b6e4 124 uint32_t port_index = STM_PORT(pin);
mbed_official 381:5460fc57b6e4 125 uint32_t pin_index = STM_PIN(pin);
mbed_official 381:5460fc57b6e4 126
mbed_official 381:5460fc57b6e4 127 // Enable GPIO clock
mbed_official 381:5460fc57b6e4 128 uint32_t gpio_add = Set_GPIO_Clock(port_index);
mbed_official 381:5460fc57b6e4 129 GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
mbed_official 381:5460fc57b6e4 130
mbed_official 381:5460fc57b6e4 131 // Configure pull-up/pull-down resistors
mbed_official 381:5460fc57b6e4 132 uint32_t pupd = (uint32_t)mode;
mbed_official 381:5460fc57b6e4 133 if (pupd > 2) {
mbed_official 381:5460fc57b6e4 134 pupd = 0; // Open-drain = No pull-up/No pull-down
mbed_official 381:5460fc57b6e4 135 }
mbed_official 381:5460fc57b6e4 136 gpio->PUPDR &= (uint32_t)(~(GPIO_PUPDR_PUPDR0 << (pin_index * 2)));
mbed_official 381:5460fc57b6e4 137 gpio->PUPDR |= (uint32_t)(pupd << (pin_index * 2));
mbed_official 381:5460fc57b6e4 138
mbed_official 381:5460fc57b6e4 139 }