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This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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

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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_F401RE/pinmap.c@274:6937b19af361, 2014-08-06 (annotated)

Committer:
mbed_official
Date:
Wed Aug 06 08:15:07 2014 +0100
Revision:
274:6937b19af361
Parent:
251:de9a1e4ffd79
Child:
285:31249416b6f9
Synchronized with git revision 5b145e4f6c509376173c3ea2aa35a6da879a2124



Full URL: https://github.com/mbedmicro/mbed/commit/5b145e4f6c509376173c3ea2aa35a6da879a2124/



[TARGET_LPC11UXX] PeripheralNames.h and PinMap definitions separation for LPC11UXX platforms

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 87:085cde657901 1 /* mbed Microcontroller Library
mbed_official 87:085cde657901 2 *******************************************************************************
mbed_official 87:085cde657901 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 87:085cde657901 4 * All rights reserved.
mbed_official 87:085cde657901 5 *
mbed_official 87:085cde657901 6 * Redistribution and use in source and binary forms, with or without
mbed_official 87:085cde657901 7 * modification, are permitted provided that the following conditions are met:
mbed_official 87:085cde657901 8 *
mbed_official 87:085cde657901 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 87:085cde657901 10 * this list of conditions and the following disclaimer.
mbed_official 87:085cde657901 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 87:085cde657901 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 87:085cde657901 13 * and/or other materials provided with the distribution.
mbed_official 87:085cde657901 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 87:085cde657901 15 * may be used to endorse or promote products derived from this software
mbed_official 87:085cde657901 16 * without specific prior written permission.
mbed_official 87:085cde657901 17 *
mbed_official 87:085cde657901 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 87:085cde657901 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 87:085cde657901 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 87:085cde657901 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 87:085cde657901 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 87:085cde657901 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 87:085cde657901 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 87:085cde657901 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 87:085cde657901 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 87:085cde657901 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 87:085cde657901 28 *******************************************************************************
mbed_official 87:085cde657901 29 */
mbed_official 227:7bd0639b8911 30 #include "mbed_assert.h"
mbed_official 87:085cde657901 31 #include "pinmap.h"
mbed_official 145:cfacfb0a9e19 32 #include "PortNames.h"
mbed_official 251:de9a1e4ffd79 33 #include "error.h"
mbed_official 87:085cde657901 34
mbed_official 87:085cde657901 35 // GPIO mode look-up table
mbed_official 87:085cde657901 36 static const uint32_t gpio_mode[12] = {
mbed_official 87:085cde657901 37 0x00000000, // 0 = GPIO_MODE_INPUT
mbed_official 87:085cde657901 38 0x00000001, // 1 = GPIO_MODE_OUTPUT_PP
mbed_official 87:085cde657901 39 0x00000011, // 2 = GPIO_MODE_OUTPUT_OD
mbed_official 87:085cde657901 40 0x00000002, // 3 = GPIO_MODE_AF_PP
mbed_official 87:085cde657901 41 0x00000012, // 4 = GPIO_MODE_AF_OD
mbed_official 87:085cde657901 42 0x00000003, // 5 = GPIO_MODE_ANALOG
mbed_official 87:085cde657901 43 0x10110000, // 6 = GPIO_MODE_IT_RISING
mbed_official 87:085cde657901 44 0x10210000, // 7 = GPIO_MODE_IT_FALLING
mbed_official 87:085cde657901 45 0x10310000, // 8 = GPIO_MODE_IT_RISING_FALLING
mbed_official 87:085cde657901 46 0x10120000, // 9 = GPIO_MODE_EVT_RISING
mbed_official 87:085cde657901 47 0x10220000, // 10 = GPIO_MODE_EVT_FALLING
mbed_official 87:085cde657901 48 0x10320000 // 11 = GPIO_MODE_EVT_RISING_FALLING
mbed_official 87:085cde657901 49 };
mbed_official 87:085cde657901 50
mbed_official 87:085cde657901 51 // Enable GPIO clock and return GPIO base address
mbed_official 87:085cde657901 52 uint32_t Set_GPIO_Clock(uint32_t port_idx) {
mbed_official 87:085cde657901 53 uint32_t gpio_add = 0;
mbed_official 87:085cde657901 54 switch (port_idx) {
mbed_official 87:085cde657901 55 case PortA:
mbed_official 87:085cde657901 56 gpio_add = GPIOA_BASE;
mbed_official 87:085cde657901 57 __GPIOA_CLK_ENABLE();
mbed_official 87:085cde657901 58 break;
mbed_official 87:085cde657901 59 case PortB:
mbed_official 87:085cde657901 60 gpio_add = GPIOB_BASE;
mbed_official 87:085cde657901 61 __GPIOB_CLK_ENABLE();
mbed_official 87:085cde657901 62 break;
mbed_official 87:085cde657901 63 case PortC:
mbed_official 87:085cde657901 64 gpio_add = GPIOC_BASE;
mbed_official 87:085cde657901 65 __GPIOC_CLK_ENABLE();
mbed_official 87:085cde657901 66 break;
mbed_official 87:085cde657901 67 case PortD:
mbed_official 87:085cde657901 68 gpio_add = GPIOD_BASE;
mbed_official 87:085cde657901 69 __GPIOD_CLK_ENABLE();
mbed_official 87:085cde657901 70 break;
mbed_official 87:085cde657901 71 case PortH:
mbed_official 87:085cde657901 72 gpio_add = GPIOH_BASE;
mbed_official 87:085cde657901 73 __GPIOH_CLK_ENABLE();
mbed_official 87:085cde657901 74 break;
mbed_official 87:085cde657901 75 default:
mbed_official 87:085cde657901 76 error("Pinmap error: wrong port number.");
mbed_official 172:2f4f8c56b261 77 break;
mbed_official 87:085cde657901 78 }
mbed_official 87:085cde657901 79 return gpio_add;
mbed_official 87:085cde657901 80 }
mbed_official 87:085cde657901 81
mbed_official 87:085cde657901 82 /**
mbed_official 87:085cde657901 83 * Configure pin (mode, speed, output type and pull-up/pull-down)
mbed_official 87:085cde657901 84 */
mbed_official 87:085cde657901 85 void pin_function(PinName pin, int data) {
mbed_official 227:7bd0639b8911 86 MBED_ASSERT(pin != (PinName)NC);
mbed_official 87:085cde657901 87 // Get the pin informations
mbed_official 87:085cde657901 88 uint32_t mode = STM_PIN_MODE(data);
mbed_official 87:085cde657901 89 uint32_t pupd = STM_PIN_PUPD(data);
mbed_official 87:085cde657901 90 uint32_t afnum = STM_PIN_AFNUM(data);
mbed_official 87:085cde657901 91
mbed_official 87:085cde657901 92 uint32_t port_index = STM_PORT(pin);
mbed_official 87:085cde657901 93 uint32_t pin_index = STM_PIN(pin);
mbed_official 87:085cde657901 94
mbed_official 87:085cde657901 95 // Enable GPIO clock
mbed_official 87:085cde657901 96 uint32_t gpio_add = Set_GPIO_Clock(port_index);
mbed_official 87:085cde657901 97 GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
mbed_official 87:085cde657901 98
mbed_official 87:085cde657901 99 // Configure GPIO
mbed_official 87:085cde657901 100 GPIO_InitTypeDef GPIO_InitStructure;
mbed_official 87:085cde657901 101 GPIO_InitStructure.Pin = (uint32_t)(1 << pin_index);
mbed_official 87:085cde657901 102 GPIO_InitStructure.Mode = gpio_mode[mode];
mbed_official 87:085cde657901 103 GPIO_InitStructure.Pull = pupd;
mbed_official 87:085cde657901 104 GPIO_InitStructure.Speed = GPIO_SPEED_HIGH;
mbed_official 87:085cde657901 105 GPIO_InitStructure.Alternate = afnum;
mbed_official 87:085cde657901 106 HAL_GPIO_Init(gpio, &GPIO_InitStructure);
mbed_official 172:2f4f8c56b261 107
mbed_official 125:23cc3068a9e4 108 // [TODO] Disconnect JTAG-DP + SW-DP signals.
mbed_official 87:085cde657901 109 // Warning: Need to reconnect under reset
mbed_official 87:085cde657901 110 //if ((pin == PA_13) || (pin == PA_14)) {
mbed_official 87:085cde657901 111 //
mbed_official 87:085cde657901 112 //}
mbed_official 87:085cde657901 113 //if ((pin == PA_15) || (pin == PB_3) || (pin == PB_4)) {
mbed_official 87:085cde657901 114 //
mbed_official 172:2f4f8c56b261 115 //}
mbed_official 87:085cde657901 116 }
mbed_official 87:085cde657901 117
mbed_official 87:085cde657901 118 /**
mbed_official 87:085cde657901 119 * Configure pin pull-up/pull-down
mbed_official 87:085cde657901 120 */
mbed_official 87:085cde657901 121 void pin_mode(PinName pin, PinMode mode) {
mbed_official 227:7bd0639b8911 122 MBED_ASSERT(pin != (PinName)NC);
mbed_official 87:085cde657901 123 uint32_t port_index = STM_PORT(pin);
mbed_official 87:085cde657901 124 uint32_t pin_index = STM_PIN(pin);
mbed_official 87:085cde657901 125
mbed_official 87:085cde657901 126 // Enable GPIO clock
mbed_official 87:085cde657901 127 uint32_t gpio_add = Set_GPIO_Clock(port_index);
mbed_official 87:085cde657901 128 GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
mbed_official 87:085cde657901 129
mbed_official 87:085cde657901 130 // Configure pull-up/pull-down resistors
mbed_official 87:085cde657901 131 uint32_t pupd = (uint32_t)mode;
mbed_official 227:7bd0639b8911 132 if (pupd > 2)
mbed_official 227:7bd0639b8911 133 pupd = 0; // Open-drain = No pull-up/No pull-down
mbed_official 87:085cde657901 134 gpio->PUPDR &= (uint32_t)(~(GPIO_PUPDR_PUPDR0 << (pin_index * 2)));
mbed_official 87:085cde657901 135 gpio->PUPDR |= (uint32_t)(pupd << (pin_index * 2));
mbed_official 172:2f4f8c56b261 136
mbed_official 87:085cde657901 137 }