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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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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_NUCLEO_L152RE/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 76:aeb1df146756 1 /* mbed Microcontroller Library
mbed_official 76:aeb1df146756 2 *******************************************************************************
mbed_official 76:aeb1df146756 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 76:aeb1df146756 4 * All rights reserved.
mbed_official 76:aeb1df146756 5 *
mbed_official 76:aeb1df146756 6 * Redistribution and use in source and binary forms, with or without
mbed_official 76:aeb1df146756 7 * modification, are permitted provided that the following conditions are met:
mbed_official 76:aeb1df146756 8 *
mbed_official 76:aeb1df146756 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 76:aeb1df146756 10 * this list of conditions and the following disclaimer.
mbed_official 76:aeb1df146756 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 76:aeb1df146756 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 76:aeb1df146756 13 * and/or other materials provided with the distribution.
mbed_official 76:aeb1df146756 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 76:aeb1df146756 15 * may be used to endorse or promote products derived from this software
mbed_official 76:aeb1df146756 16 * without specific prior written permission.
mbed_official 76:aeb1df146756 17 *
mbed_official 76:aeb1df146756 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 76:aeb1df146756 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 76:aeb1df146756 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 76:aeb1df146756 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 76:aeb1df146756 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 76:aeb1df146756 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 76:aeb1df146756 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 76:aeb1df146756 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 76:aeb1df146756 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 76:aeb1df146756 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 76:aeb1df146756 28 *******************************************************************************
mbed_official 76:aeb1df146756 29 */
mbed_official 227:7bd0639b8911 30 #include "mbed_assert.h"
mbed_official 76:aeb1df146756 31 #include "pinmap.h"
mbed_official 145:cfacfb0a9e19 32 #include "PortNames.h"
mbed_official 251:de9a1e4ffd79 33 #include "error.h"
mbed_official 76:aeb1df146756 34
mbed_official 76:aeb1df146756 35 // Enable GPIO clock and return GPIO base address
mbed_official 76:aeb1df146756 36 uint32_t Set_GPIO_Clock(uint32_t port_idx) {
mbed_official 76:aeb1df146756 37 uint32_t gpio_add = 0;
mbed_official 76:aeb1df146756 38 switch (port_idx) {
mbed_official 76:aeb1df146756 39 case PortA:
mbed_official 76:aeb1df146756 40 gpio_add = GPIOA_BASE;
mbed_official 76:aeb1df146756 41 RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
mbed_official 76:aeb1df146756 42 break;
mbed_official 76:aeb1df146756 43 case PortB:
mbed_official 76:aeb1df146756 44 gpio_add = GPIOB_BASE;
mbed_official 76:aeb1df146756 45 RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE);
mbed_official 76:aeb1df146756 46 break;
mbed_official 76:aeb1df146756 47 case PortC:
mbed_official 76:aeb1df146756 48 gpio_add = GPIOC_BASE;
mbed_official 76:aeb1df146756 49 RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOC, ENABLE);
mbed_official 76:aeb1df146756 50 break;
mbed_official 76:aeb1df146756 51 case PortD:
mbed_official 76:aeb1df146756 52 gpio_add = GPIOD_BASE;
mbed_official 76:aeb1df146756 53 RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOD, ENABLE);
mbed_official 76:aeb1df146756 54 break;
mbed_official 76:aeb1df146756 55 case PortH:
mbed_official 76:aeb1df146756 56 gpio_add = GPIOH_BASE;
mbed_official 76:aeb1df146756 57 RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOH, ENABLE);
mbed_official 76:aeb1df146756 58 break;
mbed_official 76:aeb1df146756 59 default:
mbed_official 76:aeb1df146756 60 error("Port number is not correct.");
mbed_official 76:aeb1df146756 61 break;
mbed_official 76:aeb1df146756 62 }
mbed_official 76:aeb1df146756 63 return gpio_add;
mbed_official 76:aeb1df146756 64 }
mbed_official 76:aeb1df146756 65
mbed_official 76:aeb1df146756 66 /**
mbed_official 76:aeb1df146756 67 * Configure pin (mode, speed, output type and pull-up/pull-down)
mbed_official 76:aeb1df146756 68 */
mbed_official 76:aeb1df146756 69 void pin_function(PinName pin, int data) {
mbed_official 227:7bd0639b8911 70 MBED_ASSERT(pin != (PinName)NC);
mbed_official 76:aeb1df146756 71
mbed_official 76:aeb1df146756 72 // Get the pin informations
mbed_official 76:aeb1df146756 73 uint32_t mode = STM_PIN_MODE(data);
mbed_official 76:aeb1df146756 74 uint32_t otype = STM_PIN_OTYPE(data);
mbed_official 76:aeb1df146756 75 uint32_t pupd = STM_PIN_PUPD(data);
mbed_official 76:aeb1df146756 76 uint32_t afnum = STM_PIN_AFNUM(data);
mbed_official 76:aeb1df146756 77
mbed_official 76:aeb1df146756 78 uint32_t port_index = STM_PORT(pin);
mbed_official 76:aeb1df146756 79 uint32_t pin_index = STM_PIN(pin);
mbed_official 76:aeb1df146756 80
mbed_official 76:aeb1df146756 81 // Enable GPIO clock
mbed_official 76:aeb1df146756 82 uint32_t gpio_add = Set_GPIO_Clock(port_index);
mbed_official 84:f54042cbc282 83 GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
mbed_official 80:66393a7b209d 84
mbed_official 80:66393a7b209d 85 // Configure Alternate Function
mbed_official 80:66393a7b209d 86 // Warning: Must be done before the GPIO is initialized
mbed_official 80:66393a7b209d 87 if (afnum != 0xFF) {
mbed_official 80:66393a7b209d 88 GPIO_PinAFConfig(gpio, (uint16_t)pin_index, afnum);
mbed_official 80:66393a7b209d 89 }
mbed_official 174:8bb9f3a33240 90
mbed_official 76:aeb1df146756 91 // Configure GPIO
mbed_official 84:f54042cbc282 92 GPIO_InitTypeDef GPIO_InitStructure;
mbed_official 76:aeb1df146756 93 GPIO_InitStructure.GPIO_Pin = (uint16_t)(1 << pin_index);
mbed_official 76:aeb1df146756 94 GPIO_InitStructure.GPIO_Mode = (GPIOMode_TypeDef)mode;
mbed_official 76:aeb1df146756 95 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_40MHz;
mbed_official 76:aeb1df146756 96 GPIO_InitStructure.GPIO_OType = (GPIOOType_TypeDef)otype;
mbed_official 76:aeb1df146756 97 GPIO_InitStructure.GPIO_PuPd = (GPIOPuPd_TypeDef)pupd;
mbed_official 76:aeb1df146756 98 GPIO_Init(gpio, &GPIO_InitStructure);
mbed_official 174:8bb9f3a33240 99
mbed_official 129:0182c99221bc 100 // [TODO] Disconnect JTAG-DP + SW-DP signals.
mbed_official 76:aeb1df146756 101 // Warning: Need to reconnect under reset
mbed_official 76:aeb1df146756 102 //if ((pin == PA_13) || (pin == PA_14)) {
mbed_official 76:aeb1df146756 103 //
mbed_official 76:aeb1df146756 104 //}
mbed_official 76:aeb1df146756 105 //if ((pin == PA_15) || (pin == PB_3) || (pin == PB_4)) {
mbed_official 76:aeb1df146756 106 //
mbed_official 174:8bb9f3a33240 107 //}
mbed_official 76:aeb1df146756 108 }
mbed_official 76:aeb1df146756 109
mbed_official 76:aeb1df146756 110 /**
mbed_official 76:aeb1df146756 111 * Configure pin pull-up/pull-down
mbed_official 76:aeb1df146756 112 */
mbed_official 76:aeb1df146756 113 void pin_mode(PinName pin, PinMode mode) {
mbed_official 227:7bd0639b8911 114 MBED_ASSERT(pin != (PinName)NC);
mbed_official 76:aeb1df146756 115
mbed_official 76:aeb1df146756 116 uint32_t port_index = STM_PORT(pin);
mbed_official 76:aeb1df146756 117 uint32_t pin_index = STM_PIN(pin);
mbed_official 76:aeb1df146756 118
mbed_official 76:aeb1df146756 119 // Enable GPIO clock
mbed_official 76:aeb1df146756 120 uint32_t gpio_add = Set_GPIO_Clock(port_index);
mbed_official 84:f54042cbc282 121 GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
mbed_official 76:aeb1df146756 122
mbed_official 76:aeb1df146756 123 // Configure pull-up/pull-down resistors
mbed_official 76:aeb1df146756 124 uint32_t pupd = (uint32_t)mode;
mbed_official 227:7bd0639b8911 125 if (pupd > 2)
mbed_official 227:7bd0639b8911 126 pupd = 0; // Open-drain = No pull-up/No pull-down
mbed_official 76:aeb1df146756 127 gpio->PUPDR &= (uint32_t)(~(GPIO_PUPDR_PUPDR0 << (pin_index * 2)));
mbed_official 76:aeb1df146756 128 gpio->PUPDR |= (uint32_t)(pupd << (pin_index * 2));
mbed_official 174:8bb9f3a33240 129
mbed_official 76:aeb1df146756 130 }