mbed library sources
Dependents: frdm_kl05z_gpio_test
Fork of mbed-src by
targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/pinmap.c@219:993c9b0acbcc, 2014-06-02 (annotated)
- Committer:
- mbed_official
- Date:
- Mon Jun 02 09:45:07 2014 +0100
- Revision:
- 219:993c9b0acbcc
- Child:
- 239:8cadf13dff33
Synchronized with git revision cd741909614c52b886d34bad5007da2057c1a185
Full URL: https://github.com/mbedmicro/mbed/commit/cd741909614c52b886d34bad5007da2057c1a185/
[NUCLEO_F072RB] Add HAL files
Who changed what in which revision?
User | Revision | Line number | New 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 | 219:993c9b0acbcc | 30 | #include "pinmap.h" |
mbed_official | 219:993c9b0acbcc | 31 | #include "PortNames.h" |
mbed_official | 219:993c9b0acbcc | 32 | #include "error.h" |
mbed_official | 219:993c9b0acbcc | 33 | |
mbed_official | 219:993c9b0acbcc | 34 | // GPIO mode look-up table |
mbed_official | 219:993c9b0acbcc | 35 | static const uint32_t gpio_mode[12] = { |
mbed_official | 219:993c9b0acbcc | 36 | 0x00000000, // 0 = GPIO_MODE_INPUT |
mbed_official | 219:993c9b0acbcc | 37 | 0x00000001, // 1 = GPIO_MODE_OUTPUT_PP |
mbed_official | 219:993c9b0acbcc | 38 | 0x00000011, // 2 = GPIO_MODE_OUTPUT_OD |
mbed_official | 219:993c9b0acbcc | 39 | 0x00000002, // 3 = GPIO_MODE_AF_PP |
mbed_official | 219:993c9b0acbcc | 40 | 0x00000012, // 4 = GPIO_MODE_AF_OD |
mbed_official | 219:993c9b0acbcc | 41 | 0x00000003, // 5 = GPIO_MODE_ANALOG |
mbed_official | 219:993c9b0acbcc | 42 | 0x10110000, // 6 = GPIO_MODE_IT_RISING |
mbed_official | 219:993c9b0acbcc | 43 | 0x10210000, // 7 = GPIO_MODE_IT_FALLING |
mbed_official | 219:993c9b0acbcc | 44 | 0x10310000, // 8 = GPIO_MODE_IT_RISING_FALLING |
mbed_official | 219:993c9b0acbcc | 45 | 0x10120000, // 9 = GPIO_MODE_EVT_RISING |
mbed_official | 219:993c9b0acbcc | 46 | 0x10220000, // 10 = GPIO_MODE_EVT_FALLING |
mbed_official | 219:993c9b0acbcc | 47 | 0x10320000 // 11 = GPIO_MODE_EVT_RISING_FALLING |
mbed_official | 219:993c9b0acbcc | 48 | }; |
mbed_official | 219:993c9b0acbcc | 49 | |
mbed_official | 219:993c9b0acbcc | 50 | // Enable GPIO clock and return GPIO base address |
mbed_official | 219:993c9b0acbcc | 51 | uint32_t Set_GPIO_Clock(uint32_t port_idx) { |
mbed_official | 219:993c9b0acbcc | 52 | uint32_t gpio_add = 0; |
mbed_official | 219:993c9b0acbcc | 53 | switch (port_idx) { |
mbed_official | 219:993c9b0acbcc | 54 | case PortA: |
mbed_official | 219:993c9b0acbcc | 55 | gpio_add = GPIOA_BASE; |
mbed_official | 219:993c9b0acbcc | 56 | __GPIOA_CLK_ENABLE(); |
mbed_official | 219:993c9b0acbcc | 57 | break; |
mbed_official | 219:993c9b0acbcc | 58 | case PortB: |
mbed_official | 219:993c9b0acbcc | 59 | gpio_add = GPIOB_BASE; |
mbed_official | 219:993c9b0acbcc | 60 | __GPIOB_CLK_ENABLE(); |
mbed_official | 219:993c9b0acbcc | 61 | break; |
mbed_official | 219:993c9b0acbcc | 62 | case PortC: |
mbed_official | 219:993c9b0acbcc | 63 | gpio_add = GPIOC_BASE; |
mbed_official | 219:993c9b0acbcc | 64 | __GPIOC_CLK_ENABLE(); |
mbed_official | 219:993c9b0acbcc | 65 | break; |
mbed_official | 219:993c9b0acbcc | 66 | case PortD: |
mbed_official | 219:993c9b0acbcc | 67 | gpio_add = GPIOD_BASE; |
mbed_official | 219:993c9b0acbcc | 68 | __GPIOD_CLK_ENABLE(); |
mbed_official | 219:993c9b0acbcc | 69 | break; |
mbed_official | 219:993c9b0acbcc | 70 | case PortF: |
mbed_official | 219:993c9b0acbcc | 71 | gpio_add = GPIOF_BASE; |
mbed_official | 219:993c9b0acbcc | 72 | __GPIOF_CLK_ENABLE(); |
mbed_official | 219:993c9b0acbcc | 73 | break; |
mbed_official | 219:993c9b0acbcc | 74 | default: |
mbed_official | 219:993c9b0acbcc | 75 | error("Pinmap error: wrong port number."); |
mbed_official | 219:993c9b0acbcc | 76 | break; |
mbed_official | 219:993c9b0acbcc | 77 | } |
mbed_official | 219:993c9b0acbcc | 78 | return gpio_add; |
mbed_official | 219:993c9b0acbcc | 79 | } |
mbed_official | 219:993c9b0acbcc | 80 | |
mbed_official | 219:993c9b0acbcc | 81 | /** |
mbed_official | 219:993c9b0acbcc | 82 | * Configure pin (mode, speed, output type and pull-up/pull-down) |
mbed_official | 219:993c9b0acbcc | 83 | */ |
mbed_official | 219:993c9b0acbcc | 84 | void pin_function(PinName pin, int data) { |
mbed_official | 219:993c9b0acbcc | 85 | if (pin == NC) return; |
mbed_official | 219:993c9b0acbcc | 86 | |
mbed_official | 219:993c9b0acbcc | 87 | // Get the pin informations |
mbed_official | 219:993c9b0acbcc | 88 | uint32_t mode = STM_PIN_MODE(data); |
mbed_official | 219:993c9b0acbcc | 89 | uint32_t pupd = STM_PIN_PUPD(data); |
mbed_official | 219:993c9b0acbcc | 90 | uint32_t afnum = STM_PIN_AFNUM(data); |
mbed_official | 219:993c9b0acbcc | 91 | |
mbed_official | 219:993c9b0acbcc | 92 | uint32_t port_index = STM_PORT(pin); |
mbed_official | 219:993c9b0acbcc | 93 | uint32_t pin_index = STM_PIN(pin); |
mbed_official | 219:993c9b0acbcc | 94 | |
mbed_official | 219:993c9b0acbcc | 95 | // Enable GPIO clock |
mbed_official | 219:993c9b0acbcc | 96 | uint32_t gpio_add = Set_GPIO_Clock(port_index); |
mbed_official | 219:993c9b0acbcc | 97 | GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; |
mbed_official | 219:993c9b0acbcc | 98 | |
mbed_official | 219:993c9b0acbcc | 99 | // Configure GPIO |
mbed_official | 219:993c9b0acbcc | 100 | GPIO_InitTypeDef GPIO_InitStructure; |
mbed_official | 219:993c9b0acbcc | 101 | GPIO_InitStructure.Pin = (uint32_t)(1 << pin_index); |
mbed_official | 219:993c9b0acbcc | 102 | GPIO_InitStructure.Mode = gpio_mode[mode]; |
mbed_official | 219:993c9b0acbcc | 103 | GPIO_InitStructure.Pull = pupd; |
mbed_official | 219:993c9b0acbcc | 104 | GPIO_InitStructure.Speed = GPIO_SPEED_HIGH; |
mbed_official | 219:993c9b0acbcc | 105 | GPIO_InitStructure.Alternate = afnum; |
mbed_official | 219:993c9b0acbcc | 106 | HAL_GPIO_Init(gpio, &GPIO_InitStructure); |
mbed_official | 219:993c9b0acbcc | 107 | |
mbed_official | 219:993c9b0acbcc | 108 | // [TODO] Disconnect SWDIO and SWCLK signals ? |
mbed_official | 219:993c9b0acbcc | 109 | // Warning: For debugging it is necessary to reconnect under reset if this is done. |
mbed_official | 219:993c9b0acbcc | 110 | //if ((pin == PA_13) || (pin == PA_14)) { |
mbed_official | 219:993c9b0acbcc | 111 | // |
mbed_official | 219:993c9b0acbcc | 112 | //} |
mbed_official | 219:993c9b0acbcc | 113 | } |
mbed_official | 219:993c9b0acbcc | 114 | |
mbed_official | 219:993c9b0acbcc | 115 | /** |
mbed_official | 219:993c9b0acbcc | 116 | * Configure pin pull-up/pull-down |
mbed_official | 219:993c9b0acbcc | 117 | */ |
mbed_official | 219:993c9b0acbcc | 118 | void pin_mode(PinName pin, PinMode mode) { |
mbed_official | 219:993c9b0acbcc | 119 | if (pin == NC) return; |
mbed_official | 219:993c9b0acbcc | 120 | |
mbed_official | 219:993c9b0acbcc | 121 | uint32_t port_index = STM_PORT(pin); |
mbed_official | 219:993c9b0acbcc | 122 | uint32_t pin_index = STM_PIN(pin); |
mbed_official | 219:993c9b0acbcc | 123 | |
mbed_official | 219:993c9b0acbcc | 124 | // Enable GPIO clock |
mbed_official | 219:993c9b0acbcc | 125 | uint32_t gpio_add = Set_GPIO_Clock(port_index); |
mbed_official | 219:993c9b0acbcc | 126 | GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; |
mbed_official | 219:993c9b0acbcc | 127 | |
mbed_official | 219:993c9b0acbcc | 128 | // Configure pull-up/pull-down resistors |
mbed_official | 219:993c9b0acbcc | 129 | uint32_t pupd = (uint32_t)mode; |
mbed_official | 219:993c9b0acbcc | 130 | if (pupd > 2) pupd = 0; // Open-drain = No pull-up/No pull-down |
mbed_official | 219:993c9b0acbcc | 131 | gpio->PUPDR &= (uint32_t)(~(GPIO_PUPDR_PUPDR0 << (pin_index * 2))); |
mbed_official | 219:993c9b0acbcc | 132 | gpio->PUPDR |= (uint32_t)(pupd << (pin_index * 2)); |
mbed_official | 219:993c9b0acbcc | 133 | |
mbed_official | 219:993c9b0acbcc | 134 | } |