mbed library sources
Dependents: Freedman_v2 Nucleo_i2c_OLED_BME280_copy
Fork of mbed-src by
targets/hal/TARGET_STM/TARGET_STM32F3/pinmap.c@508:4f5903e025e6, 2015-04-09 (annotated)
- Committer:
- mbed_official
- Date:
- Thu Apr 09 06:45:08 2015 +0100
- Revision:
- 508:4f5903e025e6
Synchronized with git revision 643cd23443352254ef51f4be0974b6e526142078
Full URL: https://github.com/mbedmicro/mbed/commit/643cd23443352254ef51f4be0974b6e526142078/
STM32F3xx - hal reorganization
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 508:4f5903e025e6 | 1 | /* mbed Microcontroller Library |
mbed_official | 508:4f5903e025e6 | 2 | ******************************************************************************* |
mbed_official | 508:4f5903e025e6 | 3 | * Copyright (c) 2014, STMicroelectronics |
mbed_official | 508:4f5903e025e6 | 4 | * All rights reserved. |
mbed_official | 508:4f5903e025e6 | 5 | * |
mbed_official | 508:4f5903e025e6 | 6 | * Redistribution and use in source and binary forms, with or without |
mbed_official | 508:4f5903e025e6 | 7 | * modification, are permitted provided that the following conditions are met: |
mbed_official | 508:4f5903e025e6 | 8 | * |
mbed_official | 508:4f5903e025e6 | 9 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 508:4f5903e025e6 | 10 | * this list of conditions and the following disclaimer. |
mbed_official | 508:4f5903e025e6 | 11 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 508:4f5903e025e6 | 12 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 508:4f5903e025e6 | 13 | * and/or other materials provided with the distribution. |
mbed_official | 508:4f5903e025e6 | 14 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 508:4f5903e025e6 | 15 | * may be used to endorse or promote products derived from this software |
mbed_official | 508:4f5903e025e6 | 16 | * without specific prior written permission. |
mbed_official | 508:4f5903e025e6 | 17 | * |
mbed_official | 508:4f5903e025e6 | 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 508:4f5903e025e6 | 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 508:4f5903e025e6 | 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 508:4f5903e025e6 | 21 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 508:4f5903e025e6 | 22 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 508:4f5903e025e6 | 23 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 508:4f5903e025e6 | 24 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 508:4f5903e025e6 | 25 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 508:4f5903e025e6 | 26 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 508:4f5903e025e6 | 27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 508:4f5903e025e6 | 28 | ******************************************************************************* |
mbed_official | 508:4f5903e025e6 | 29 | */ |
mbed_official | 508:4f5903e025e6 | 30 | #include "mbed_assert.h" |
mbed_official | 508:4f5903e025e6 | 31 | #include "pinmap.h" |
mbed_official | 508:4f5903e025e6 | 32 | #include "PortNames.h" |
mbed_official | 508:4f5903e025e6 | 33 | #include "mbed_error.h" |
mbed_official | 508:4f5903e025e6 | 34 | |
mbed_official | 508:4f5903e025e6 | 35 | // GPIO mode look-up table |
mbed_official | 508:4f5903e025e6 | 36 | // Warning: the elements order must be the same as the one defined in PinNames.h |
mbed_official | 508:4f5903e025e6 | 37 | static const uint32_t gpio_mode[13] = { |
mbed_official | 508:4f5903e025e6 | 38 | GPIO_MODE_INPUT, // 0 = STM_MODE_INPUT |
mbed_official | 508:4f5903e025e6 | 39 | GPIO_MODE_OUTPUT_PP, // 1 = STM_MODE_OUTPUT_PP |
mbed_official | 508:4f5903e025e6 | 40 | GPIO_MODE_OUTPUT_OD, // 2 = STM_MODE_OUTPUT_OD |
mbed_official | 508:4f5903e025e6 | 41 | GPIO_MODE_AF_PP, // 3 = STM_MODE_AF_PP |
mbed_official | 508:4f5903e025e6 | 42 | GPIO_MODE_AF_OD, // 4 = STM_MODE_AF_OD |
mbed_official | 508:4f5903e025e6 | 43 | GPIO_MODE_ANALOG, // 5 = STM_MODE_ANALOG |
mbed_official | 508:4f5903e025e6 | 44 | GPIO_MODE_IT_RISING, // 6 = STM_MODE_IT_RISING |
mbed_official | 508:4f5903e025e6 | 45 | GPIO_MODE_IT_FALLING, // 7 = STM_MODE_IT_FALLING |
mbed_official | 508:4f5903e025e6 | 46 | GPIO_MODE_IT_RISING_FALLING, // 8 = STM_MODE_IT_RISING_FALLING |
mbed_official | 508:4f5903e025e6 | 47 | GPIO_MODE_EVT_RISING, // 9 = STM_MODE_EVT_RISING |
mbed_official | 508:4f5903e025e6 | 48 | GPIO_MODE_EVT_FALLING, // 10 = STM_MODE_EVT_FALLING |
mbed_official | 508:4f5903e025e6 | 49 | GPIO_MODE_EVT_RISING_FALLING, // 11 = STM_MODE_EVT_RISING_FALLING |
mbed_official | 508:4f5903e025e6 | 50 | 0x10000000 // 12 = STM_MODE_IT_EVT_RESET (not in STM32Cube HAL) |
mbed_official | 508:4f5903e025e6 | 51 | }; |
mbed_official | 508:4f5903e025e6 | 52 | |
mbed_official | 508:4f5903e025e6 | 53 | // Enable GPIO clock and return GPIO base address |
mbed_official | 508:4f5903e025e6 | 54 | uint32_t Set_GPIO_Clock(uint32_t port_idx) |
mbed_official | 508:4f5903e025e6 | 55 | { |
mbed_official | 508:4f5903e025e6 | 56 | uint32_t gpio_add = 0; |
mbed_official | 508:4f5903e025e6 | 57 | switch (port_idx) { |
mbed_official | 508:4f5903e025e6 | 58 | case PortA: |
mbed_official | 508:4f5903e025e6 | 59 | gpio_add = GPIOA_BASE; |
mbed_official | 508:4f5903e025e6 | 60 | __GPIOA_CLK_ENABLE(); |
mbed_official | 508:4f5903e025e6 | 61 | break; |
mbed_official | 508:4f5903e025e6 | 62 | case PortB: |
mbed_official | 508:4f5903e025e6 | 63 | gpio_add = GPIOB_BASE; |
mbed_official | 508:4f5903e025e6 | 64 | __GPIOB_CLK_ENABLE(); |
mbed_official | 508:4f5903e025e6 | 65 | break; |
mbed_official | 508:4f5903e025e6 | 66 | case PortC: |
mbed_official | 508:4f5903e025e6 | 67 | gpio_add = GPIOC_BASE; |
mbed_official | 508:4f5903e025e6 | 68 | __GPIOC_CLK_ENABLE(); |
mbed_official | 508:4f5903e025e6 | 69 | break; |
mbed_official | 508:4f5903e025e6 | 70 | case PortD: |
mbed_official | 508:4f5903e025e6 | 71 | gpio_add = GPIOD_BASE; |
mbed_official | 508:4f5903e025e6 | 72 | __GPIOD_CLK_ENABLE(); |
mbed_official | 508:4f5903e025e6 | 73 | break; |
mbed_official | 508:4f5903e025e6 | 74 | #if defined(GPIOE_BASE) |
mbed_official | 508:4f5903e025e6 | 75 | case PortE: |
mbed_official | 508:4f5903e025e6 | 76 | gpio_add = GPIOE_BASE; |
mbed_official | 508:4f5903e025e6 | 77 | __GPIOE_CLK_ENABLE(); |
mbed_official | 508:4f5903e025e6 | 78 | break; |
mbed_official | 508:4f5903e025e6 | 79 | #endif |
mbed_official | 508:4f5903e025e6 | 80 | case PortF: |
mbed_official | 508:4f5903e025e6 | 81 | gpio_add = GPIOF_BASE; |
mbed_official | 508:4f5903e025e6 | 82 | __GPIOF_CLK_ENABLE(); |
mbed_official | 508:4f5903e025e6 | 83 | break; |
mbed_official | 508:4f5903e025e6 | 84 | default: |
mbed_official | 508:4f5903e025e6 | 85 | error("Pinmap error: wrong port number."); |
mbed_official | 508:4f5903e025e6 | 86 | break; |
mbed_official | 508:4f5903e025e6 | 87 | } |
mbed_official | 508:4f5903e025e6 | 88 | return gpio_add; |
mbed_official | 508:4f5903e025e6 | 89 | } |
mbed_official | 508:4f5903e025e6 | 90 | |
mbed_official | 508:4f5903e025e6 | 91 | /** |
mbed_official | 508:4f5903e025e6 | 92 | * Configure pin (mode, speed, output type and pull-up/pull-down) |
mbed_official | 508:4f5903e025e6 | 93 | */ |
mbed_official | 508:4f5903e025e6 | 94 | void pin_function(PinName pin, int data) |
mbed_official | 508:4f5903e025e6 | 95 | { |
mbed_official | 508:4f5903e025e6 | 96 | MBED_ASSERT(pin != (PinName)NC); |
mbed_official | 508:4f5903e025e6 | 97 | // Get the pin informations |
mbed_official | 508:4f5903e025e6 | 98 | uint32_t mode = STM_PIN_MODE(data); |
mbed_official | 508:4f5903e025e6 | 99 | uint32_t pupd = STM_PIN_PUPD(data); |
mbed_official | 508:4f5903e025e6 | 100 | uint32_t afnum = STM_PIN_AFNUM(data); |
mbed_official | 508:4f5903e025e6 | 101 | |
mbed_official | 508:4f5903e025e6 | 102 | uint32_t port_index = STM_PORT(pin); |
mbed_official | 508:4f5903e025e6 | 103 | uint32_t pin_index = STM_PIN(pin); |
mbed_official | 508:4f5903e025e6 | 104 | |
mbed_official | 508:4f5903e025e6 | 105 | // Enable GPIO clock |
mbed_official | 508:4f5903e025e6 | 106 | uint32_t gpio_add = Set_GPIO_Clock(port_index); |
mbed_official | 508:4f5903e025e6 | 107 | GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; |
mbed_official | 508:4f5903e025e6 | 108 | |
mbed_official | 508:4f5903e025e6 | 109 | // Configure GPIO |
mbed_official | 508:4f5903e025e6 | 110 | GPIO_InitTypeDef GPIO_InitStructure; |
mbed_official | 508:4f5903e025e6 | 111 | GPIO_InitStructure.Pin = (uint32_t)(1 << pin_index); |
mbed_official | 508:4f5903e025e6 | 112 | GPIO_InitStructure.Mode = gpio_mode[mode]; |
mbed_official | 508:4f5903e025e6 | 113 | GPIO_InitStructure.Pull = pupd; |
mbed_official | 508:4f5903e025e6 | 114 | GPIO_InitStructure.Speed = GPIO_SPEED_HIGH; |
mbed_official | 508:4f5903e025e6 | 115 | GPIO_InitStructure.Alternate = afnum; |
mbed_official | 508:4f5903e025e6 | 116 | HAL_GPIO_Init(gpio, &GPIO_InitStructure); |
mbed_official | 508:4f5903e025e6 | 117 | |
mbed_official | 508:4f5903e025e6 | 118 | // [TODO] Disconnect JTAG-DP + SW-DP signals. |
mbed_official | 508:4f5903e025e6 | 119 | // Warning: Need to reconnect under reset |
mbed_official | 508:4f5903e025e6 | 120 | //if ((pin == PA_13) || (pin == PA_14)) { |
mbed_official | 508:4f5903e025e6 | 121 | // |
mbed_official | 508:4f5903e025e6 | 122 | //} |
mbed_official | 508:4f5903e025e6 | 123 | } |
mbed_official | 508:4f5903e025e6 | 124 | |
mbed_official | 508:4f5903e025e6 | 125 | /** |
mbed_official | 508:4f5903e025e6 | 126 | * Configure pin pull-up/pull-down |
mbed_official | 508:4f5903e025e6 | 127 | */ |
mbed_official | 508:4f5903e025e6 | 128 | void pin_mode(PinName pin, PinMode mode) |
mbed_official | 508:4f5903e025e6 | 129 | { |
mbed_official | 508:4f5903e025e6 | 130 | MBED_ASSERT(pin != (PinName)NC); |
mbed_official | 508:4f5903e025e6 | 131 | uint32_t port_index = STM_PORT(pin); |
mbed_official | 508:4f5903e025e6 | 132 | uint32_t pin_index = STM_PIN(pin); |
mbed_official | 508:4f5903e025e6 | 133 | |
mbed_official | 508:4f5903e025e6 | 134 | // Enable GPIO clock |
mbed_official | 508:4f5903e025e6 | 135 | uint32_t gpio_add = Set_GPIO_Clock(port_index); |
mbed_official | 508:4f5903e025e6 | 136 | GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; |
mbed_official | 508:4f5903e025e6 | 137 | |
mbed_official | 508:4f5903e025e6 | 138 | // Configure pull-up/pull-down resistors |
mbed_official | 508:4f5903e025e6 | 139 | uint32_t pupd = (uint32_t)mode; |
mbed_official | 508:4f5903e025e6 | 140 | if (pupd > 2) { |
mbed_official | 508:4f5903e025e6 | 141 | pupd = 0; // Open-drain = No pull-up/No pull-down |
mbed_official | 508:4f5903e025e6 | 142 | } |
mbed_official | 508:4f5903e025e6 | 143 | gpio->PUPDR &= (uint32_t)(~(GPIO_PUPDR_PUPDR0 << (pin_index * 2))); |
mbed_official | 508:4f5903e025e6 | 144 | gpio->PUPDR |= (uint32_t)(pupd << (pin_index * 2)); |
mbed_official | 508:4f5903e025e6 | 145 | } |