mbed library sources
Fork of mbed-src by
targets/hal/TARGET_STM/TARGET_STM32F411RE/pinmap.c@429:cc5da43e7bf6, 2014-12-09 (annotated)
- Committer:
- mbed_official
- Date:
- Tue Dec 09 14:15:07 2014 +0000
- Revision:
- 429:cc5da43e7bf6
- Parent:
- targets/hal/TARGET_STM/TARGET_NUCLEO_F411RE/pinmap.c@327:a7562ccfb9d5
Synchronized with git revision 75673df767b901eda5c6ea6c737b58deb390c955
Full URL: https://github.com/mbedmicro/mbed/commit/75673df767b901eda5c6ea6c737b58deb390c955/
Add support for mDot with STM32F411RE processor
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 235:685d5f11838f | 1 | /* mbed Microcontroller Library |
mbed_official | 235:685d5f11838f | 2 | ******************************************************************************* |
mbed_official | 235:685d5f11838f | 3 | * Copyright (c) 2014, STMicroelectronics |
mbed_official | 235:685d5f11838f | 4 | * All rights reserved. |
mbed_official | 235:685d5f11838f | 5 | * |
mbed_official | 235:685d5f11838f | 6 | * Redistribution and use in source and binary forms, with or without |
mbed_official | 235:685d5f11838f | 7 | * modification, are permitted provided that the following conditions are met: |
mbed_official | 235:685d5f11838f | 8 | * |
mbed_official | 235:685d5f11838f | 9 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 235:685d5f11838f | 10 | * this list of conditions and the following disclaimer. |
mbed_official | 235:685d5f11838f | 11 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 235:685d5f11838f | 12 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 235:685d5f11838f | 13 | * and/or other materials provided with the distribution. |
mbed_official | 235:685d5f11838f | 14 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 235:685d5f11838f | 15 | * may be used to endorse or promote products derived from this software |
mbed_official | 235:685d5f11838f | 16 | * without specific prior written permission. |
mbed_official | 235:685d5f11838f | 17 | * |
mbed_official | 235:685d5f11838f | 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 235:685d5f11838f | 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 235:685d5f11838f | 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 235:685d5f11838f | 21 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 235:685d5f11838f | 22 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 235:685d5f11838f | 23 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 235:685d5f11838f | 24 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 235:685d5f11838f | 25 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 235:685d5f11838f | 26 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 235:685d5f11838f | 27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 235:685d5f11838f | 28 | ******************************************************************************* |
mbed_official | 235:685d5f11838f | 29 | */ |
mbed_official | 235:685d5f11838f | 30 | #include "mbed_assert.h" |
mbed_official | 235:685d5f11838f | 31 | #include "pinmap.h" |
mbed_official | 235:685d5f11838f | 32 | #include "PortNames.h" |
mbed_official | 285:31249416b6f9 | 33 | #include "mbed_error.h" |
mbed_official | 235:685d5f11838f | 34 | |
mbed_official | 235:685d5f11838f | 35 | // GPIO mode look-up table |
mbed_official | 327:a7562ccfb9d5 | 36 | static const uint32_t gpio_mode[13] = { |
mbed_official | 235:685d5f11838f | 37 | 0x00000000, // 0 = GPIO_MODE_INPUT |
mbed_official | 235:685d5f11838f | 38 | 0x00000001, // 1 = GPIO_MODE_OUTPUT_PP |
mbed_official | 235:685d5f11838f | 39 | 0x00000011, // 2 = GPIO_MODE_OUTPUT_OD |
mbed_official | 235:685d5f11838f | 40 | 0x00000002, // 3 = GPIO_MODE_AF_PP |
mbed_official | 235:685d5f11838f | 41 | 0x00000012, // 4 = GPIO_MODE_AF_OD |
mbed_official | 235:685d5f11838f | 42 | 0x00000003, // 5 = GPIO_MODE_ANALOG |
mbed_official | 235:685d5f11838f | 43 | 0x10110000, // 6 = GPIO_MODE_IT_RISING |
mbed_official | 235:685d5f11838f | 44 | 0x10210000, // 7 = GPIO_MODE_IT_FALLING |
mbed_official | 235:685d5f11838f | 45 | 0x10310000, // 8 = GPIO_MODE_IT_RISING_FALLING |
mbed_official | 235:685d5f11838f | 46 | 0x10120000, // 9 = GPIO_MODE_EVT_RISING |
mbed_official | 235:685d5f11838f | 47 | 0x10220000, // 10 = GPIO_MODE_EVT_FALLING |
mbed_official | 327:a7562ccfb9d5 | 48 | 0x10320000, // 11 = GPIO_MODE_EVT_RISING_FALLING |
mbed_official | 327:a7562ccfb9d5 | 49 | 0x10000000 // 12 = Reset GPIO_MODE_IT_EVT |
mbed_official | 235:685d5f11838f | 50 | }; |
mbed_official | 235:685d5f11838f | 51 | |
mbed_official | 235:685d5f11838f | 52 | // Enable GPIO clock and return GPIO base address |
mbed_official | 235:685d5f11838f | 53 | uint32_t Set_GPIO_Clock(uint32_t port_idx) |
mbed_official | 235:685d5f11838f | 54 | { |
mbed_official | 235:685d5f11838f | 55 | uint32_t gpio_add = 0; |
mbed_official | 235:685d5f11838f | 56 | switch (port_idx) { |
mbed_official | 235:685d5f11838f | 57 | case PortA: |
mbed_official | 235:685d5f11838f | 58 | gpio_add = GPIOA_BASE; |
mbed_official | 235:685d5f11838f | 59 | __GPIOA_CLK_ENABLE(); |
mbed_official | 235:685d5f11838f | 60 | break; |
mbed_official | 235:685d5f11838f | 61 | case PortB: |
mbed_official | 235:685d5f11838f | 62 | gpio_add = GPIOB_BASE; |
mbed_official | 235:685d5f11838f | 63 | __GPIOB_CLK_ENABLE(); |
mbed_official | 235:685d5f11838f | 64 | break; |
mbed_official | 235:685d5f11838f | 65 | case PortC: |
mbed_official | 235:685d5f11838f | 66 | gpio_add = GPIOC_BASE; |
mbed_official | 235:685d5f11838f | 67 | __GPIOC_CLK_ENABLE(); |
mbed_official | 235:685d5f11838f | 68 | break; |
mbed_official | 235:685d5f11838f | 69 | case PortD: |
mbed_official | 235:685d5f11838f | 70 | gpio_add = GPIOD_BASE; |
mbed_official | 235:685d5f11838f | 71 | __GPIOD_CLK_ENABLE(); |
mbed_official | 235:685d5f11838f | 72 | break; |
mbed_official | 235:685d5f11838f | 73 | case PortH: |
mbed_official | 235:685d5f11838f | 74 | gpio_add = GPIOH_BASE; |
mbed_official | 235:685d5f11838f | 75 | __GPIOH_CLK_ENABLE(); |
mbed_official | 235:685d5f11838f | 76 | break; |
mbed_official | 235:685d5f11838f | 77 | default: |
mbed_official | 235:685d5f11838f | 78 | error("Pinmap error: wrong port number."); |
mbed_official | 235:685d5f11838f | 79 | break; |
mbed_official | 235:685d5f11838f | 80 | } |
mbed_official | 235:685d5f11838f | 81 | return gpio_add; |
mbed_official | 235:685d5f11838f | 82 | } |
mbed_official | 235:685d5f11838f | 83 | |
mbed_official | 235:685d5f11838f | 84 | /** |
mbed_official | 235:685d5f11838f | 85 | * Configure pin (mode, speed, output type and pull-up/pull-down) |
mbed_official | 235:685d5f11838f | 86 | */ |
mbed_official | 235:685d5f11838f | 87 | void pin_function(PinName pin, int data) |
mbed_official | 235:685d5f11838f | 88 | { |
mbed_official | 235:685d5f11838f | 89 | MBED_ASSERT(pin != (PinName)NC); |
mbed_official | 235:685d5f11838f | 90 | // Get the pin informations |
mbed_official | 235:685d5f11838f | 91 | uint32_t mode = STM_PIN_MODE(data); |
mbed_official | 235:685d5f11838f | 92 | uint32_t pupd = STM_PIN_PUPD(data); |
mbed_official | 235:685d5f11838f | 93 | uint32_t afnum = STM_PIN_AFNUM(data); |
mbed_official | 235:685d5f11838f | 94 | |
mbed_official | 235:685d5f11838f | 95 | uint32_t port_index = STM_PORT(pin); |
mbed_official | 235:685d5f11838f | 96 | uint32_t pin_index = STM_PIN(pin); |
mbed_official | 235:685d5f11838f | 97 | |
mbed_official | 235:685d5f11838f | 98 | // Enable GPIO clock |
mbed_official | 235:685d5f11838f | 99 | uint32_t gpio_add = Set_GPIO_Clock(port_index); |
mbed_official | 235:685d5f11838f | 100 | GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; |
mbed_official | 235:685d5f11838f | 101 | |
mbed_official | 235:685d5f11838f | 102 | // Configure GPIO |
mbed_official | 235:685d5f11838f | 103 | GPIO_InitTypeDef GPIO_InitStructure; |
mbed_official | 235:685d5f11838f | 104 | GPIO_InitStructure.Pin = (uint32_t)(1 << pin_index); |
mbed_official | 235:685d5f11838f | 105 | GPIO_InitStructure.Mode = gpio_mode[mode]; |
mbed_official | 235:685d5f11838f | 106 | GPIO_InitStructure.Pull = pupd; |
mbed_official | 235:685d5f11838f | 107 | GPIO_InitStructure.Speed = GPIO_SPEED_HIGH; |
mbed_official | 235:685d5f11838f | 108 | GPIO_InitStructure.Alternate = afnum; |
mbed_official | 235:685d5f11838f | 109 | HAL_GPIO_Init(gpio, &GPIO_InitStructure); |
mbed_official | 235:685d5f11838f | 110 | |
mbed_official | 235:685d5f11838f | 111 | // [TODO] Disconnect JTAG-DP + SW-DP signals. |
mbed_official | 235:685d5f11838f | 112 | // Warning: Need to reconnect under reset |
mbed_official | 235:685d5f11838f | 113 | //if ((pin == PA_13) || (pin == PA_14)) { |
mbed_official | 235:685d5f11838f | 114 | // |
mbed_official | 235:685d5f11838f | 115 | //} |
mbed_official | 235:685d5f11838f | 116 | //if ((pin == PA_15) || (pin == PB_3) || (pin == PB_4)) { |
mbed_official | 235:685d5f11838f | 117 | // |
mbed_official | 235:685d5f11838f | 118 | //} |
mbed_official | 235:685d5f11838f | 119 | } |
mbed_official | 235:685d5f11838f | 120 | |
mbed_official | 235:685d5f11838f | 121 | /** |
mbed_official | 235:685d5f11838f | 122 | * Configure pin pull-up/pull-down |
mbed_official | 235:685d5f11838f | 123 | */ |
mbed_official | 235:685d5f11838f | 124 | void pin_mode(PinName pin, PinMode mode) |
mbed_official | 235:685d5f11838f | 125 | { |
mbed_official | 235:685d5f11838f | 126 | MBED_ASSERT(pin != (PinName)NC); |
mbed_official | 235:685d5f11838f | 127 | uint32_t port_index = STM_PORT(pin); |
mbed_official | 235:685d5f11838f | 128 | uint32_t pin_index = STM_PIN(pin); |
mbed_official | 235:685d5f11838f | 129 | |
mbed_official | 235:685d5f11838f | 130 | // Enable GPIO clock |
mbed_official | 235:685d5f11838f | 131 | uint32_t gpio_add = Set_GPIO_Clock(port_index); |
mbed_official | 235:685d5f11838f | 132 | GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; |
mbed_official | 235:685d5f11838f | 133 | |
mbed_official | 235:685d5f11838f | 134 | // Configure pull-up/pull-down resistors |
mbed_official | 235:685d5f11838f | 135 | uint32_t pupd = (uint32_t)mode; |
mbed_official | 235:685d5f11838f | 136 | if (pupd > 2) |
mbed_official | 235:685d5f11838f | 137 | pupd = 0; // Open-drain = No pull-up/No pull-down |
mbed_official | 235:685d5f11838f | 138 | gpio->PUPDR &= (uint32_t)(~(GPIO_PUPDR_PUPDR0 << (pin_index * 2))); |
mbed_official | 235:685d5f11838f | 139 | gpio->PUPDR |= (uint32_t)(pupd << (pin_index * 2)); |
mbed_official | 235:685d5f11838f | 140 | |
mbed_official | 235:685d5f11838f | 141 | } |