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targets/cmsis/TARGET_STM/TARGET_STM32F3/stm32f3xx_hal_gpio.c@634:ac7d6880524d, 2015-09-28 (annotated)
- Committer:
- mbed_official
- Date:
- Mon Sep 28 20:15:09 2015 +0100
- Revision:
- 634:ac7d6880524d
- Parent:
- 632:7687fb9c4f91
Synchronized with git revision 9b7d23d47153c298a6d24de9a415202705889d11
Full URL: https://github.com/mbedmicro/mbed/commit/9b7d23d47153c298a6d24de9a415202705889d11/
Revert "[NUCLEO_F303K8] add support of the STM32F303K8"
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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mbed_official | 330:c80ac197fa6a | 1 | /** |
mbed_official | 330:c80ac197fa6a | 2 | ****************************************************************************** |
mbed_official | 330:c80ac197fa6a | 3 | * @file stm32f3xx_hal_gpio.c |
mbed_official | 330:c80ac197fa6a | 4 | * @author MCD Application Team |
mbed_official | 634:ac7d6880524d | 5 | * @version V1.1.0 |
mbed_official | 634:ac7d6880524d | 6 | * @date 12-Sept-2014 |
mbed_official | 330:c80ac197fa6a | 7 | * @brief GPIO HAL module driver. |
mbed_official | 330:c80ac197fa6a | 8 | * |
mbed_official | 330:c80ac197fa6a | 9 | * This file provides firmware functions to manage the following |
mbed_official | 330:c80ac197fa6a | 10 | * functionalities of the General Purpose Input/Output (GPIO) peripheral: |
mbed_official | 330:c80ac197fa6a | 11 | * + Initialization/de-initialization functions |
mbed_official | 330:c80ac197fa6a | 12 | * + IO operation functions |
mbed_official | 330:c80ac197fa6a | 13 | * |
mbed_official | 330:c80ac197fa6a | 14 | @verbatim |
mbed_official | 330:c80ac197fa6a | 15 | ============================================================================== |
mbed_official | 330:c80ac197fa6a | 16 | ##### GPIO specific features ##### |
mbed_official | 330:c80ac197fa6a | 17 | ============================================================================== |
mbed_official | 330:c80ac197fa6a | 18 | [..] |
mbed_official | 330:c80ac197fa6a | 19 | Each port bit of the general-purpose I/O (GPIO) ports can be individually |
mbed_official | 330:c80ac197fa6a | 20 | configured by software in several modes: |
mbed_official | 330:c80ac197fa6a | 21 | (+) Input mode |
mbed_official | 330:c80ac197fa6a | 22 | (+) Analog mode |
mbed_official | 330:c80ac197fa6a | 23 | (+) Output mode |
mbed_official | 330:c80ac197fa6a | 24 | (+) Alternate function mode |
mbed_official | 330:c80ac197fa6a | 25 | (+) External interrupt/event lines |
mbed_official | 330:c80ac197fa6a | 26 | |
mbed_official | 330:c80ac197fa6a | 27 | [..] |
mbed_official | 330:c80ac197fa6a | 28 | During and just after reset, the alternate functions and external interrupt |
mbed_official | 330:c80ac197fa6a | 29 | lines are not active and the I/O ports are configured in input floating mode. |
mbed_official | 330:c80ac197fa6a | 30 | |
mbed_official | 330:c80ac197fa6a | 31 | [..] |
mbed_official | 330:c80ac197fa6a | 32 | All GPIO pins have weak internal pull-up and pull-down resistors, which can be |
mbed_official | 330:c80ac197fa6a | 33 | activated or not. |
mbed_official | 330:c80ac197fa6a | 34 | |
mbed_official | 330:c80ac197fa6a | 35 | [..] |
mbed_official | 330:c80ac197fa6a | 36 | In Output or Alternate mode, each IO can be configured on open-drain or push-pull |
mbed_official | 330:c80ac197fa6a | 37 | type and the IO speed can be selected depending on the VDD value. |
mbed_official | 330:c80ac197fa6a | 38 | |
mbed_official | 330:c80ac197fa6a | 39 | [..] |
mbed_official | 330:c80ac197fa6a | 40 | The microcontroller IO pins are connected to onboard peripherals/modules through a |
mbed_official | 330:c80ac197fa6a | 41 | multiplexer that allows only one peripherals alternate function (AF) connected |
mbed_official | 330:c80ac197fa6a | 42 | to an IO pin at a time. In this way, there can be no conflict between peripherals |
mbed_official | 330:c80ac197fa6a | 43 | sharing the same IO pin. |
mbed_official | 330:c80ac197fa6a | 44 | |
mbed_official | 330:c80ac197fa6a | 45 | [..] |
mbed_official | 330:c80ac197fa6a | 46 | All ports have external interrupt/event capability. To use external interrupt |
mbed_official | 330:c80ac197fa6a | 47 | lines, the port must be configured in input mode. All available GPIO pins are |
mbed_official | 330:c80ac197fa6a | 48 | connected to the 16 external interrupt/event lines from EXTI0 to EXTI15. |
mbed_official | 330:c80ac197fa6a | 49 | |
mbed_official | 330:c80ac197fa6a | 50 | [..] |
mbed_official | 330:c80ac197fa6a | 51 | The external interrupt/event controller consists of up to 23 edge detectors |
mbed_official | 330:c80ac197fa6a | 52 | (16 lines are connected to GPIO) for generating event/interrupt requests (each |
mbed_official | 330:c80ac197fa6a | 53 | input line can be independently configured to select the type (interrupt or event) |
mbed_official | 330:c80ac197fa6a | 54 | and the corresponding trigger event (rising or falling or both). Each line can |
mbed_official | 330:c80ac197fa6a | 55 | also be masked independently. |
mbed_official | 330:c80ac197fa6a | 56 | |
mbed_official | 330:c80ac197fa6a | 57 | ##### How to use this driver ##### |
mbed_official | 330:c80ac197fa6a | 58 | ============================================================================== |
mbed_official | 330:c80ac197fa6a | 59 | [..] |
mbed_official | 330:c80ac197fa6a | 60 | (#) Enable the GPIO AHB clock using the following function : __GPIOx_CLK_ENABLE(). |
mbed_official | 330:c80ac197fa6a | 61 | |
mbed_official | 330:c80ac197fa6a | 62 | (#) Configure the GPIO pin(s) using HAL_GPIO_Init(). |
mbed_official | 330:c80ac197fa6a | 63 | (++) Configure the IO mode using "Mode" member from GPIO_InitTypeDef structure |
mbed_official | 330:c80ac197fa6a | 64 | (++) Activate Pull-up, Pull-down resistor using "Pull" member from GPIO_InitTypeDef |
mbed_official | 330:c80ac197fa6a | 65 | structure. |
mbed_official | 330:c80ac197fa6a | 66 | (++) In case of Output or alternate function mode selection: the speed is |
mbed_official | 330:c80ac197fa6a | 67 | configured through "Speed" member from GPIO_InitTypeDef structure, |
mbed_official | 330:c80ac197fa6a | 68 | the speed is configurable: 2 MHz, 10 MHz and 50 MHz. |
mbed_official | 330:c80ac197fa6a | 69 | (++) If alternate mode is selected, the alternate function connected to the IO |
mbed_official | 330:c80ac197fa6a | 70 | is configured through "Alternate" member from GPIO_InitTypeDef structure |
mbed_official | 330:c80ac197fa6a | 71 | (++) Analog mode is required when a pin is to be used as ADC channel |
mbed_official | 330:c80ac197fa6a | 72 | or DAC output. |
mbed_official | 330:c80ac197fa6a | 73 | (++) In case of external interrupt/event selection the "Mode" member from |
mbed_official | 330:c80ac197fa6a | 74 | GPIO_InitTypeDef structure select the type (interrupt or event) and |
mbed_official | 330:c80ac197fa6a | 75 | the corresponding trigger event (rising or falling or both). |
mbed_official | 330:c80ac197fa6a | 76 | |
mbed_official | 330:c80ac197fa6a | 77 | (#) In case of external interrupt/event mode selection, configure NVIC IRQ priority |
mbed_official | 330:c80ac197fa6a | 78 | mapped to the EXTI line using HAL_NVIC_SetPriority() and enable it using |
mbed_official | 330:c80ac197fa6a | 79 | HAL_NVIC_EnableIRQ(). |
mbed_official | 330:c80ac197fa6a | 80 | |
mbed_official | 330:c80ac197fa6a | 81 | (#) To get the level of a pin configured in input mode use HAL_GPIO_ReadPin(). |
mbed_official | 330:c80ac197fa6a | 82 | |
mbed_official | 330:c80ac197fa6a | 83 | (#) To set/reset the level of a pin configured in output mode use |
mbed_official | 330:c80ac197fa6a | 84 | HAL_GPIO_WritePin()/HAL_GPIO_TogglePin(). |
mbed_official | 330:c80ac197fa6a | 85 | |
mbed_official | 330:c80ac197fa6a | 86 | (#) To lock pin configuration until next reset use HAL_GPIO_LockPin(). |
mbed_official | 330:c80ac197fa6a | 87 | |
mbed_official | 330:c80ac197fa6a | 88 | (#) During and just after reset, the alternate functions are not |
mbed_official | 330:c80ac197fa6a | 89 | active and the GPIO pins are configured in input floating mode (except JTAG |
mbed_official | 330:c80ac197fa6a | 90 | pins). |
mbed_official | 330:c80ac197fa6a | 91 | |
mbed_official | 330:c80ac197fa6a | 92 | (#) The LSE oscillator pins OSC32_IN and OSC32_OUT can be used as general purpose |
mbed_official | 330:c80ac197fa6a | 93 | (PC14 and PC15, respectively) when the LSE oscillator is off. The LSE has |
mbed_official | 330:c80ac197fa6a | 94 | priority over the GPIO function. |
mbed_official | 330:c80ac197fa6a | 95 | |
mbed_official | 330:c80ac197fa6a | 96 | (#) The HSE oscillator pins OSC_IN/OSC_OUT can be used as |
mbed_official | 330:c80ac197fa6a | 97 | general purpose Px0 and Px1, respectively, when the HSE oscillator is off. |
mbed_official | 330:c80ac197fa6a | 98 | The HSE has priority over the GPIO function. |
mbed_official | 330:c80ac197fa6a | 99 | |
mbed_official | 330:c80ac197fa6a | 100 | @endverbatim |
mbed_official | 330:c80ac197fa6a | 101 | ****************************************************************************** |
mbed_official | 330:c80ac197fa6a | 102 | * @attention |
mbed_official | 330:c80ac197fa6a | 103 | * |
mbed_official | 634:ac7d6880524d | 104 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
mbed_official | 330:c80ac197fa6a | 105 | * |
mbed_official | 330:c80ac197fa6a | 106 | * Redistribution and use in source and binary forms, with or without modification, |
mbed_official | 330:c80ac197fa6a | 107 | * are permitted provided that the following conditions are met: |
mbed_official | 330:c80ac197fa6a | 108 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 330:c80ac197fa6a | 109 | * this list of conditions and the following disclaimer. |
mbed_official | 330:c80ac197fa6a | 110 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 330:c80ac197fa6a | 111 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 330:c80ac197fa6a | 112 | * and/or other materials provided with the distribution. |
mbed_official | 330:c80ac197fa6a | 113 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 330:c80ac197fa6a | 114 | * may be used to endorse or promote products derived from this software |
mbed_official | 330:c80ac197fa6a | 115 | * without specific prior written permission. |
mbed_official | 330:c80ac197fa6a | 116 | * |
mbed_official | 330:c80ac197fa6a | 117 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 330:c80ac197fa6a | 118 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 330:c80ac197fa6a | 119 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 330:c80ac197fa6a | 120 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 330:c80ac197fa6a | 121 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 330:c80ac197fa6a | 122 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 330:c80ac197fa6a | 123 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 330:c80ac197fa6a | 124 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 330:c80ac197fa6a | 125 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 330:c80ac197fa6a | 126 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 330:c80ac197fa6a | 127 | * |
mbed_official | 330:c80ac197fa6a | 128 | ****************************************************************************** |
mbed_official | 330:c80ac197fa6a | 129 | */ |
mbed_official | 330:c80ac197fa6a | 130 | |
mbed_official | 330:c80ac197fa6a | 131 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 330:c80ac197fa6a | 132 | #include "stm32f3xx_hal.h" |
mbed_official | 330:c80ac197fa6a | 133 | |
mbed_official | 330:c80ac197fa6a | 134 | /** @addtogroup STM32F3xx_HAL_Driver |
mbed_official | 330:c80ac197fa6a | 135 | * @{ |
mbed_official | 330:c80ac197fa6a | 136 | */ |
mbed_official | 330:c80ac197fa6a | 137 | |
mbed_official | 330:c80ac197fa6a | 138 | /** @defgroup GPIO GPIO HAL module driver |
mbed_official | 330:c80ac197fa6a | 139 | * @brief GPIO HAL module driver |
mbed_official | 330:c80ac197fa6a | 140 | * @{ |
mbed_official | 330:c80ac197fa6a | 141 | */ |
mbed_official | 330:c80ac197fa6a | 142 | |
mbed_official | 330:c80ac197fa6a | 143 | #ifdef HAL_GPIO_MODULE_ENABLED |
mbed_official | 330:c80ac197fa6a | 144 | |
mbed_official | 330:c80ac197fa6a | 145 | /* Private typedef -----------------------------------------------------------*/ |
mbed_official | 330:c80ac197fa6a | 146 | /* Private define ------------------------------------------------------------*/ |
mbed_official | 330:c80ac197fa6a | 147 | /* Private macro -------------------------------------------------------------*/ |
mbed_official | 330:c80ac197fa6a | 148 | /** @defgroup GPIO_Private_Macros GPIO Private Macros |
mbed_official | 330:c80ac197fa6a | 149 | * @{ |
mbed_official | 330:c80ac197fa6a | 150 | */ |
mbed_official | 330:c80ac197fa6a | 151 | #define GET_GPIO_SOURCE(__GPIOx__) \ |
mbed_official | 330:c80ac197fa6a | 152 | (((uint32_t)(__GPIOx__) == ((uint32_t)GPIOA_BASE))? 0U :\ |
mbed_official | 330:c80ac197fa6a | 153 | ((uint32_t)(__GPIOx__) == ((uint32_t)(GPIOA_BASE + 0x0400)))? 1U :\ |
mbed_official | 330:c80ac197fa6a | 154 | ((uint32_t)(__GPIOx__) == ((uint32_t)(GPIOA_BASE + 0x0800)))? 2U :\ |
mbed_official | 330:c80ac197fa6a | 155 | ((uint32_t)(__GPIOx__) == ((uint32_t)(GPIOA_BASE + 0x0C00)))? 3U :\ |
mbed_official | 330:c80ac197fa6a | 156 | ((uint32_t)(__GPIOx__) == ((uint32_t)(GPIOA_BASE + 0x1000)))? 4U :\ |
mbed_official | 330:c80ac197fa6a | 157 | ((uint32_t)(__GPIOx__) == ((uint32_t)(GPIOA_BASE + 0x1400)))? 5U : 6U) |
mbed_official | 330:c80ac197fa6a | 158 | |
mbed_official | 330:c80ac197fa6a | 159 | #define GPIO_MODE ((uint32_t)0x00000003) |
mbed_official | 330:c80ac197fa6a | 160 | #define EXTI_MODE ((uint32_t)0x10000000) |
mbed_official | 330:c80ac197fa6a | 161 | #define GPIO_MODE_IT ((uint32_t)0x00010000) |
mbed_official | 330:c80ac197fa6a | 162 | #define GPIO_MODE_EVT ((uint32_t)0x00020000) |
mbed_official | 330:c80ac197fa6a | 163 | #define RISING_EDGE ((uint32_t)0x00100000) |
mbed_official | 330:c80ac197fa6a | 164 | #define FALLING_EDGE ((uint32_t)0x00200000) |
mbed_official | 330:c80ac197fa6a | 165 | #define GPIO_OUTPUT_TYPE ((uint32_t)0x00000010) |
mbed_official | 330:c80ac197fa6a | 166 | |
mbed_official | 330:c80ac197fa6a | 167 | #define GPIO_NUMBER ((uint32_t)16) |
mbed_official | 330:c80ac197fa6a | 168 | /** |
mbed_official | 330:c80ac197fa6a | 169 | * @} |
mbed_official | 330:c80ac197fa6a | 170 | */ |
mbed_official | 330:c80ac197fa6a | 171 | |
mbed_official | 330:c80ac197fa6a | 172 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 330:c80ac197fa6a | 173 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 330:c80ac197fa6a | 174 | /* Exported functions ---------------------------------------------------------*/ |
mbed_official | 330:c80ac197fa6a | 175 | /** @defgroup GPIO_Exported_Functions GPIO Exported Functions |
mbed_official | 330:c80ac197fa6a | 176 | * @{ |
mbed_official | 330:c80ac197fa6a | 177 | */ |
mbed_official | 330:c80ac197fa6a | 178 | |
mbed_official | 330:c80ac197fa6a | 179 | /** @defgroup GPIO_Exported_Functions_Group1 Initialization and de-initialization functions |
mbed_official | 330:c80ac197fa6a | 180 | * @brief Initialization and Configuration functions |
mbed_official | 330:c80ac197fa6a | 181 | * |
mbed_official | 330:c80ac197fa6a | 182 | @verbatim |
mbed_official | 330:c80ac197fa6a | 183 | =============================================================================== |
mbed_official | 330:c80ac197fa6a | 184 | ##### Initialization and de-initialization functions ##### |
mbed_official | 330:c80ac197fa6a | 185 | =============================================================================== |
mbed_official | 330:c80ac197fa6a | 186 | |
mbed_official | 330:c80ac197fa6a | 187 | @endverbatim |
mbed_official | 330:c80ac197fa6a | 188 | * @{ |
mbed_official | 330:c80ac197fa6a | 189 | */ |
mbed_official | 330:c80ac197fa6a | 190 | |
mbed_official | 330:c80ac197fa6a | 191 | /** |
mbed_official | 330:c80ac197fa6a | 192 | * @brief Initializes the GPIOx peripheral according to the specified parameters in the GPIO_Init. |
mbed_official | 330:c80ac197fa6a | 193 | * @param GPIOx: where x can be (A..F) to select the GPIO peripheral for STM32F3 family devices |
mbed_official | 330:c80ac197fa6a | 194 | * @param GPIO_Init: pointer to a GPIO_InitTypeDef structure that contains |
mbed_official | 330:c80ac197fa6a | 195 | * the configuration information for the specified GPIO peripheral. |
mbed_official | 330:c80ac197fa6a | 196 | * @retval None |
mbed_official | 330:c80ac197fa6a | 197 | */ |
mbed_official | 330:c80ac197fa6a | 198 | void HAL_GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_Init) |
mbed_official | 330:c80ac197fa6a | 199 | { |
mbed_official | 330:c80ac197fa6a | 200 | uint32_t position; |
mbed_official | 330:c80ac197fa6a | 201 | uint32_t ioposition = 0x00; |
mbed_official | 330:c80ac197fa6a | 202 | uint32_t iocurrent = 0x00; |
mbed_official | 330:c80ac197fa6a | 203 | uint32_t temp = 0x00; |
mbed_official | 330:c80ac197fa6a | 204 | |
mbed_official | 330:c80ac197fa6a | 205 | /* Check the parameters */ |
mbed_official | 330:c80ac197fa6a | 206 | assert_param(IS_GPIO_PIN(GPIO_Init->Pin)); |
mbed_official | 330:c80ac197fa6a | 207 | assert_param(IS_GPIO_MODE(GPIO_Init->Mode)); |
mbed_official | 330:c80ac197fa6a | 208 | assert_param(IS_GPIO_PULL(GPIO_Init->Pull)); |
mbed_official | 330:c80ac197fa6a | 209 | |
mbed_official | 330:c80ac197fa6a | 210 | /* Configure the port pins */ |
mbed_official | 330:c80ac197fa6a | 211 | for (position = 0; position < GPIO_NUMBER; position++) |
mbed_official | 330:c80ac197fa6a | 212 | { |
mbed_official | 330:c80ac197fa6a | 213 | /* Get the IO position */ |
mbed_official | 330:c80ac197fa6a | 214 | ioposition = ((uint32_t)0x01) << position; |
mbed_official | 330:c80ac197fa6a | 215 | /* Get the current IO position */ |
mbed_official | 330:c80ac197fa6a | 216 | iocurrent = (uint32_t)(GPIO_Init->Pin) & ioposition; |
mbed_official | 330:c80ac197fa6a | 217 | |
mbed_official | 330:c80ac197fa6a | 218 | if (iocurrent == ioposition) |
mbed_official | 330:c80ac197fa6a | 219 | { |
mbed_official | 330:c80ac197fa6a | 220 | /*--------------------- GPIO Mode Configuration ------------------------*/ |
mbed_official | 330:c80ac197fa6a | 221 | /* In case of Alternate function mode selection */ |
mbed_official | 330:c80ac197fa6a | 222 | if((GPIO_Init->Mode == GPIO_MODE_AF_PP) || (GPIO_Init->Mode == GPIO_MODE_AF_OD)) |
mbed_official | 330:c80ac197fa6a | 223 | { |
mbed_official | 330:c80ac197fa6a | 224 | /* Check the Alternate function parameter */ |
mbed_official | 330:c80ac197fa6a | 225 | assert_param(IS_GPIO_AF(GPIO_Init->Alternate)); |
mbed_official | 330:c80ac197fa6a | 226 | /* Configure Alternate function mapped with the current IO */ |
mbed_official | 330:c80ac197fa6a | 227 | temp = GPIOx->AFR[position >> 3]; |
mbed_official | 330:c80ac197fa6a | 228 | temp &= ~((uint32_t)0xF << ((uint32_t)(position & (uint32_t)0x07) * 4)) ; |
mbed_official | 330:c80ac197fa6a | 229 | temp |= ((uint32_t)(GPIO_Init->Alternate) << (((uint32_t)position & (uint32_t)0x07) * 4)); |
mbed_official | 330:c80ac197fa6a | 230 | GPIOx->AFR[position >> 3] = temp; |
mbed_official | 330:c80ac197fa6a | 231 | } |
mbed_official | 330:c80ac197fa6a | 232 | |
mbed_official | 330:c80ac197fa6a | 233 | /* Configure IO Direction mode (Input, Output, Alternate or Analog) */ |
mbed_official | 330:c80ac197fa6a | 234 | temp = GPIOx->MODER; |
mbed_official | 330:c80ac197fa6a | 235 | temp &= ~(GPIO_MODER_MODER0 << (position * 2)); |
mbed_official | 330:c80ac197fa6a | 236 | temp |= ((GPIO_Init->Mode & GPIO_MODE) << (position * 2)); |
mbed_official | 330:c80ac197fa6a | 237 | GPIOx->MODER = temp; |
mbed_official | 330:c80ac197fa6a | 238 | |
mbed_official | 330:c80ac197fa6a | 239 | /* In case of Output or Alternate function mode selection */ |
mbed_official | 330:c80ac197fa6a | 240 | if ((GPIO_Init->Mode == GPIO_MODE_OUTPUT_PP) || (GPIO_Init->Mode == GPIO_MODE_AF_PP) || |
mbed_official | 330:c80ac197fa6a | 241 | (GPIO_Init->Mode == GPIO_MODE_OUTPUT_OD) || (GPIO_Init->Mode == GPIO_MODE_AF_OD)) |
mbed_official | 330:c80ac197fa6a | 242 | { |
mbed_official | 330:c80ac197fa6a | 243 | /* Check the Speed parameter */ |
mbed_official | 330:c80ac197fa6a | 244 | assert_param(IS_GPIO_SPEED(GPIO_Init->Speed)); |
mbed_official | 330:c80ac197fa6a | 245 | /* Configure the IO Speed */ |
mbed_official | 330:c80ac197fa6a | 246 | temp = GPIOx->OSPEEDR; |
mbed_official | 330:c80ac197fa6a | 247 | temp &= ~(GPIO_OSPEEDER_OSPEEDR0 << (position * 2)); |
mbed_official | 330:c80ac197fa6a | 248 | temp |= (GPIO_Init->Speed << (position * 2)); |
mbed_official | 330:c80ac197fa6a | 249 | GPIOx->OSPEEDR = temp; |
mbed_official | 330:c80ac197fa6a | 250 | |
mbed_official | 330:c80ac197fa6a | 251 | /* Configure the IO Output Type */ |
mbed_official | 330:c80ac197fa6a | 252 | temp = GPIOx->OTYPER; |
mbed_official | 330:c80ac197fa6a | 253 | temp &= ~(GPIO_OTYPER_OT_0 << position) ; |
mbed_official | 330:c80ac197fa6a | 254 | temp |= (((GPIO_Init->Mode & GPIO_OUTPUT_TYPE) >> 4) << position); |
mbed_official | 330:c80ac197fa6a | 255 | GPIOx->OTYPER = temp; |
mbed_official | 330:c80ac197fa6a | 256 | } |
mbed_official | 330:c80ac197fa6a | 257 | |
mbed_official | 330:c80ac197fa6a | 258 | /* Activate the Pull-up or Pull down resistor for the current IO */ |
mbed_official | 330:c80ac197fa6a | 259 | temp = GPIOx->PUPDR; |
mbed_official | 330:c80ac197fa6a | 260 | temp &= ~(GPIO_PUPDR_PUPDR0 << (position * 2)); |
mbed_official | 330:c80ac197fa6a | 261 | temp |= ((GPIO_Init->Pull) << (position * 2)); |
mbed_official | 330:c80ac197fa6a | 262 | GPIOx->PUPDR = temp; |
mbed_official | 330:c80ac197fa6a | 263 | |
mbed_official | 330:c80ac197fa6a | 264 | /*--------------------- EXTI Mode Configuration ------------------------*/ |
mbed_official | 330:c80ac197fa6a | 265 | /* Configure the External Interrupt or event for the current IO */ |
mbed_official | 330:c80ac197fa6a | 266 | if((GPIO_Init->Mode & EXTI_MODE) == EXTI_MODE) |
mbed_official | 330:c80ac197fa6a | 267 | { |
mbed_official | 330:c80ac197fa6a | 268 | /* Enable SYSCFG Clock */ |
mbed_official | 330:c80ac197fa6a | 269 | __SYSCFG_CLK_ENABLE(); |
mbed_official | 330:c80ac197fa6a | 270 | |
mbed_official | 330:c80ac197fa6a | 271 | temp = SYSCFG->EXTICR[position >> 2]; |
mbed_official | 330:c80ac197fa6a | 272 | temp &= ~(((uint32_t)0x0F) << (4 * (position & 0x03))); |
mbed_official | 330:c80ac197fa6a | 273 | temp |= ((uint32_t)(GET_GPIO_SOURCE(GPIOx)) << (4 * (position & 0x03))); |
mbed_official | 330:c80ac197fa6a | 274 | SYSCFG->EXTICR[position >> 2] = temp; |
mbed_official | 330:c80ac197fa6a | 275 | |
mbed_official | 330:c80ac197fa6a | 276 | /* Clear EXTI line configuration */ |
mbed_official | 330:c80ac197fa6a | 277 | temp = EXTI->IMR; |
mbed_official | 330:c80ac197fa6a | 278 | temp &= ~((uint32_t)iocurrent); |
mbed_official | 330:c80ac197fa6a | 279 | if((GPIO_Init->Mode & GPIO_MODE_IT) == GPIO_MODE_IT) |
mbed_official | 330:c80ac197fa6a | 280 | { |
mbed_official | 330:c80ac197fa6a | 281 | temp |= iocurrent; |
mbed_official | 330:c80ac197fa6a | 282 | } |
mbed_official | 330:c80ac197fa6a | 283 | EXTI->IMR = temp; |
mbed_official | 330:c80ac197fa6a | 284 | |
mbed_official | 330:c80ac197fa6a | 285 | temp = EXTI->EMR; |
mbed_official | 330:c80ac197fa6a | 286 | temp &= ~((uint32_t)iocurrent); |
mbed_official | 330:c80ac197fa6a | 287 | if((GPIO_Init->Mode & GPIO_MODE_EVT) == GPIO_MODE_EVT) |
mbed_official | 330:c80ac197fa6a | 288 | { |
mbed_official | 330:c80ac197fa6a | 289 | temp |= iocurrent; |
mbed_official | 330:c80ac197fa6a | 290 | } |
mbed_official | 330:c80ac197fa6a | 291 | EXTI->EMR = temp; |
mbed_official | 330:c80ac197fa6a | 292 | |
mbed_official | 330:c80ac197fa6a | 293 | /* Clear Rising Falling edge configuration */ |
mbed_official | 330:c80ac197fa6a | 294 | temp = EXTI->RTSR; |
mbed_official | 330:c80ac197fa6a | 295 | temp &= ~((uint32_t)iocurrent); |
mbed_official | 330:c80ac197fa6a | 296 | if((GPIO_Init->Mode & RISING_EDGE) == RISING_EDGE) |
mbed_official | 330:c80ac197fa6a | 297 | { |
mbed_official | 330:c80ac197fa6a | 298 | temp |= iocurrent; |
mbed_official | 330:c80ac197fa6a | 299 | } |
mbed_official | 330:c80ac197fa6a | 300 | EXTI->RTSR = temp; |
mbed_official | 330:c80ac197fa6a | 301 | |
mbed_official | 330:c80ac197fa6a | 302 | temp = EXTI->FTSR; |
mbed_official | 330:c80ac197fa6a | 303 | temp &= ~((uint32_t)iocurrent); |
mbed_official | 330:c80ac197fa6a | 304 | if((GPIO_Init->Mode & FALLING_EDGE) == FALLING_EDGE) |
mbed_official | 330:c80ac197fa6a | 305 | { |
mbed_official | 330:c80ac197fa6a | 306 | temp |= iocurrent; |
mbed_official | 330:c80ac197fa6a | 307 | } |
mbed_official | 330:c80ac197fa6a | 308 | EXTI->FTSR = temp; |
mbed_official | 330:c80ac197fa6a | 309 | } |
mbed_official | 330:c80ac197fa6a | 310 | } |
mbed_official | 330:c80ac197fa6a | 311 | } |
mbed_official | 330:c80ac197fa6a | 312 | } |
mbed_official | 330:c80ac197fa6a | 313 | |
mbed_official | 330:c80ac197fa6a | 314 | /** |
mbed_official | 330:c80ac197fa6a | 315 | * @brief De-initializes the GPIOx peripheral registers to their default reset values. |
mbed_official | 330:c80ac197fa6a | 316 | * @param GPIOx: where x can be (A..F) to select the GPIO peripheral for STM32F30X device or STM32F37X device |
mbed_official | 330:c80ac197fa6a | 317 | * @param GPIO_Pin: specifies the port bit to be written. |
mbed_official | 330:c80ac197fa6a | 318 | * This parameter can be one of GPIO_PIN_x where x can be (0..15). |
mbed_official | 330:c80ac197fa6a | 319 | * @retval None |
mbed_official | 330:c80ac197fa6a | 320 | */ |
mbed_official | 330:c80ac197fa6a | 321 | void HAL_GPIO_DeInit(GPIO_TypeDef *GPIOx, uint32_t GPIO_Pin) |
mbed_official | 330:c80ac197fa6a | 322 | { |
mbed_official | 330:c80ac197fa6a | 323 | uint32_t position; |
mbed_official | 330:c80ac197fa6a | 324 | uint32_t ioposition = 0x00; |
mbed_official | 330:c80ac197fa6a | 325 | uint32_t iocurrent = 0x00; |
mbed_official | 330:c80ac197fa6a | 326 | uint32_t tmp = 0x00; |
mbed_official | 330:c80ac197fa6a | 327 | |
mbed_official | 330:c80ac197fa6a | 328 | /* Configure the port pins */ |
mbed_official | 330:c80ac197fa6a | 329 | for (position = 0; position < GPIO_NUMBER; position++) |
mbed_official | 330:c80ac197fa6a | 330 | { |
mbed_official | 330:c80ac197fa6a | 331 | /* Get the IO position */ |
mbed_official | 330:c80ac197fa6a | 332 | ioposition = ((uint32_t)0x01) << position; |
mbed_official | 330:c80ac197fa6a | 333 | /* Get the current IO position */ |
mbed_official | 330:c80ac197fa6a | 334 | iocurrent = (GPIO_Pin) & ioposition; |
mbed_official | 330:c80ac197fa6a | 335 | |
mbed_official | 330:c80ac197fa6a | 336 | if (iocurrent == ioposition) |
mbed_official | 330:c80ac197fa6a | 337 | { |
mbed_official | 330:c80ac197fa6a | 338 | /*------------------------- GPIO Mode Configuration --------------------*/ |
mbed_official | 330:c80ac197fa6a | 339 | /* Configure IO Direction in Input Floting Mode */ |
mbed_official | 330:c80ac197fa6a | 340 | GPIOx->MODER &= ~(GPIO_MODER_MODER0 << (position * 2)); |
mbed_official | 330:c80ac197fa6a | 341 | |
mbed_official | 330:c80ac197fa6a | 342 | /* Configure the default Alternate Function in current IO */ |
mbed_official | 330:c80ac197fa6a | 343 | GPIOx->AFR[position >> 3] &= ~((uint32_t)0xF << ((uint32_t)(position & (uint32_t)0x07) * 4)) ; |
mbed_official | 330:c80ac197fa6a | 344 | |
mbed_official | 330:c80ac197fa6a | 345 | /* Configure the default value for IO Speed */ |
mbed_official | 330:c80ac197fa6a | 346 | GPIOx->OSPEEDR &= ~(GPIO_OSPEEDER_OSPEEDR0 << (position * 2)); |
mbed_official | 330:c80ac197fa6a | 347 | |
mbed_official | 330:c80ac197fa6a | 348 | /* Configure the default value IO Output Type */ |
mbed_official | 330:c80ac197fa6a | 349 | GPIOx->OTYPER &= ~(GPIO_OTYPER_OT_0 << position) ; |
mbed_official | 330:c80ac197fa6a | 350 | |
mbed_official | 330:c80ac197fa6a | 351 | /* Deactivate the Pull-up oand Pull-down resistor for the current IO */ |
mbed_official | 330:c80ac197fa6a | 352 | GPIOx->PUPDR &= ~(GPIO_PUPDR_PUPDR0 << (position * 2)); |
mbed_official | 330:c80ac197fa6a | 353 | |
mbed_official | 330:c80ac197fa6a | 354 | |
mbed_official | 330:c80ac197fa6a | 355 | /*------------------------- EXTI Mode Configuration --------------------*/ |
mbed_official | 330:c80ac197fa6a | 356 | /* Configure the External Interrupt or event for the current IO */ |
mbed_official | 330:c80ac197fa6a | 357 | tmp = ((uint32_t)0x0F) << (4 * (position & 0x03)); |
mbed_official | 330:c80ac197fa6a | 358 | SYSCFG->EXTICR[position >> 2] &= ~tmp; |
mbed_official | 330:c80ac197fa6a | 359 | |
mbed_official | 330:c80ac197fa6a | 360 | /* Clear EXTI line configuration */ |
mbed_official | 330:c80ac197fa6a | 361 | EXTI->IMR &= ~((uint32_t)iocurrent); |
mbed_official | 330:c80ac197fa6a | 362 | EXTI->EMR &= ~((uint32_t)iocurrent); |
mbed_official | 330:c80ac197fa6a | 363 | |
mbed_official | 330:c80ac197fa6a | 364 | /* Clear Rising Falling edge configuration */ |
mbed_official | 330:c80ac197fa6a | 365 | EXTI->RTSR &= ~((uint32_t)iocurrent); |
mbed_official | 330:c80ac197fa6a | 366 | EXTI->FTSR &= ~((uint32_t)iocurrent); |
mbed_official | 330:c80ac197fa6a | 367 | } |
mbed_official | 330:c80ac197fa6a | 368 | } |
mbed_official | 330:c80ac197fa6a | 369 | } |
mbed_official | 330:c80ac197fa6a | 370 | |
mbed_official | 330:c80ac197fa6a | 371 | /** |
mbed_official | 330:c80ac197fa6a | 372 | * @} |
mbed_official | 330:c80ac197fa6a | 373 | */ |
mbed_official | 330:c80ac197fa6a | 374 | |
mbed_official | 330:c80ac197fa6a | 375 | /** @defgroup GPIO_Exported_Functions_Group2 Input and Output operation functions |
mbed_official | 330:c80ac197fa6a | 376 | * @brief GPIO Read and Write |
mbed_official | 330:c80ac197fa6a | 377 | * |
mbed_official | 330:c80ac197fa6a | 378 | @verbatim |
mbed_official | 330:c80ac197fa6a | 379 | =============================================================================== |
mbed_official | 330:c80ac197fa6a | 380 | ##### IO operation functions ##### |
mbed_official | 330:c80ac197fa6a | 381 | =============================================================================== |
mbed_official | 330:c80ac197fa6a | 382 | |
mbed_official | 330:c80ac197fa6a | 383 | @endverbatim |
mbed_official | 330:c80ac197fa6a | 384 | * @{ |
mbed_official | 330:c80ac197fa6a | 385 | */ |
mbed_official | 330:c80ac197fa6a | 386 | |
mbed_official | 330:c80ac197fa6a | 387 | /** |
mbed_official | 330:c80ac197fa6a | 388 | * @brief Reads the specified input port pin. |
mbed_official | 330:c80ac197fa6a | 389 | * @param GPIOx: where x can be (A..F) to select the GPIO peripheral for STM32F3 family |
mbed_official | 330:c80ac197fa6a | 390 | * @param GPIO_Pin: specifies the port bit to read. |
mbed_official | 330:c80ac197fa6a | 391 | * This parameter can be GPIO_PIN_x where x can be (0..15). |
mbed_official | 330:c80ac197fa6a | 392 | * @retval The input port pin value. |
mbed_official | 330:c80ac197fa6a | 393 | */ |
mbed_official | 330:c80ac197fa6a | 394 | GPIO_PinState HAL_GPIO_ReadPin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin) |
mbed_official | 330:c80ac197fa6a | 395 | { |
mbed_official | 330:c80ac197fa6a | 396 | GPIO_PinState bitstatus; |
mbed_official | 330:c80ac197fa6a | 397 | |
mbed_official | 330:c80ac197fa6a | 398 | /* Check the parameters */ |
mbed_official | 330:c80ac197fa6a | 399 | assert_param(IS_GPIO_PIN(GPIO_Pin)); |
mbed_official | 330:c80ac197fa6a | 400 | |
mbed_official | 330:c80ac197fa6a | 401 | if ((GPIOx->IDR & GPIO_Pin) != (uint32_t)GPIO_PIN_RESET) |
mbed_official | 330:c80ac197fa6a | 402 | { |
mbed_official | 330:c80ac197fa6a | 403 | bitstatus = GPIO_PIN_SET; |
mbed_official | 330:c80ac197fa6a | 404 | } |
mbed_official | 330:c80ac197fa6a | 405 | else |
mbed_official | 330:c80ac197fa6a | 406 | { |
mbed_official | 330:c80ac197fa6a | 407 | bitstatus = GPIO_PIN_RESET; |
mbed_official | 330:c80ac197fa6a | 408 | } |
mbed_official | 330:c80ac197fa6a | 409 | return bitstatus; |
mbed_official | 330:c80ac197fa6a | 410 | } |
mbed_official | 330:c80ac197fa6a | 411 | |
mbed_official | 330:c80ac197fa6a | 412 | /** |
mbed_official | 330:c80ac197fa6a | 413 | * @brief Sets or clears the selected data port bit. |
mbed_official | 330:c80ac197fa6a | 414 | * |
mbed_official | 330:c80ac197fa6a | 415 | * @note This function uses GPIOx_BSRR register to allow atomic read/modify |
mbed_official | 330:c80ac197fa6a | 416 | * accesses. In this way, there is no risk of an IRQ occurring between |
mbed_official | 330:c80ac197fa6a | 417 | * the read and the modify access. |
mbed_official | 330:c80ac197fa6a | 418 | * |
mbed_official | 330:c80ac197fa6a | 419 | * @param GPIOx: where x can be (A..F) to select the GPIO peripheral for STM32F3 family |
mbed_official | 330:c80ac197fa6a | 420 | * @param GPIO_Pin: specifies the port bit to be written. |
mbed_official | 330:c80ac197fa6a | 421 | * This parameter can be one of GPIO_PIN_x where x can be (0..15). |
mbed_official | 330:c80ac197fa6a | 422 | * @param PinState: specifies the value to be written to the selected bit. |
mbed_official | 330:c80ac197fa6a | 423 | * This parameter can be one of the GPIO_PinState enum values: |
mbed_official | 330:c80ac197fa6a | 424 | * @arg GPIO_PIN_RESET: to clear the port pin |
mbed_official | 330:c80ac197fa6a | 425 | * @arg GPIO_PIN_SET: to set the port pin |
mbed_official | 330:c80ac197fa6a | 426 | * @retval None |
mbed_official | 330:c80ac197fa6a | 427 | */ |
mbed_official | 330:c80ac197fa6a | 428 | void HAL_GPIO_WritePin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, GPIO_PinState PinState) |
mbed_official | 330:c80ac197fa6a | 429 | { |
mbed_official | 330:c80ac197fa6a | 430 | /* Check the parameters */ |
mbed_official | 330:c80ac197fa6a | 431 | assert_param(IS_GPIO_PIN(GPIO_Pin)); |
mbed_official | 330:c80ac197fa6a | 432 | assert_param(IS_GPIO_PIN_ACTION(PinState)); |
mbed_official | 330:c80ac197fa6a | 433 | |
mbed_official | 330:c80ac197fa6a | 434 | if (PinState != GPIO_PIN_RESET) |
mbed_official | 330:c80ac197fa6a | 435 | { |
mbed_official | 330:c80ac197fa6a | 436 | GPIOx->BSRRL = GPIO_Pin; |
mbed_official | 330:c80ac197fa6a | 437 | } |
mbed_official | 330:c80ac197fa6a | 438 | else |
mbed_official | 330:c80ac197fa6a | 439 | { |
mbed_official | 330:c80ac197fa6a | 440 | GPIOx->BSRRH = GPIO_Pin ; |
mbed_official | 330:c80ac197fa6a | 441 | } |
mbed_official | 330:c80ac197fa6a | 442 | } |
mbed_official | 330:c80ac197fa6a | 443 | |
mbed_official | 330:c80ac197fa6a | 444 | /** |
mbed_official | 330:c80ac197fa6a | 445 | * @brief Toggles the specified GPIO pin |
mbed_official | 330:c80ac197fa6a | 446 | * @param GPIOx: where x can be (A..F) to select the GPIO peripheral for STM32F3 family |
mbed_official | 330:c80ac197fa6a | 447 | * @param GPIO_Pin: specifies the pins to be toggled. |
mbed_official | 330:c80ac197fa6a | 448 | * @retval None |
mbed_official | 330:c80ac197fa6a | 449 | */ |
mbed_official | 330:c80ac197fa6a | 450 | void HAL_GPIO_TogglePin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin) |
mbed_official | 330:c80ac197fa6a | 451 | { |
mbed_official | 330:c80ac197fa6a | 452 | /* Check the parameters */ |
mbed_official | 330:c80ac197fa6a | 453 | assert_param(IS_GPIO_PIN(GPIO_Pin)); |
mbed_official | 330:c80ac197fa6a | 454 | |
mbed_official | 330:c80ac197fa6a | 455 | GPIOx->ODR ^= GPIO_Pin; |
mbed_official | 330:c80ac197fa6a | 456 | } |
mbed_official | 330:c80ac197fa6a | 457 | |
mbed_official | 330:c80ac197fa6a | 458 | /** |
mbed_official | 330:c80ac197fa6a | 459 | * @brief Locks GPIO Pins configuration registers. |
mbed_official | 330:c80ac197fa6a | 460 | * @note The locked registers are GPIOx_MODER, GPIOx_OTYPER, GPIOx_OSPEEDR, |
mbed_official | 330:c80ac197fa6a | 461 | * GPIOx_PUPDR, GPIOx_AFRL and GPIOx_AFRH. |
mbed_official | 330:c80ac197fa6a | 462 | * @note The configuration of the locked GPIO pins can no longer be modified |
mbed_official | 330:c80ac197fa6a | 463 | * until the next reset. |
mbed_official | 330:c80ac197fa6a | 464 | * @param GPIOx: where x can be (A..F) to select the GPIO peripheral for STM32F3 family |
mbed_official | 330:c80ac197fa6a | 465 | * @param GPIO_Pin: specifies the port bit to be locked. |
mbed_official | 330:c80ac197fa6a | 466 | * This parameter can be any combination of GPIO_Pin_x where x can be (0..15). |
mbed_official | 330:c80ac197fa6a | 467 | * @retval None |
mbed_official | 330:c80ac197fa6a | 468 | */ |
mbed_official | 330:c80ac197fa6a | 469 | HAL_StatusTypeDef HAL_GPIO_LockPin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin) |
mbed_official | 330:c80ac197fa6a | 470 | { |
mbed_official | 330:c80ac197fa6a | 471 | __IO uint32_t tmp = GPIO_LCKR_LCKK; |
mbed_official | 330:c80ac197fa6a | 472 | |
mbed_official | 330:c80ac197fa6a | 473 | /* Check the parameters */ |
mbed_official | 330:c80ac197fa6a | 474 | assert_param(IS_GPIO_PIN(GPIO_Pin)); |
mbed_official | 330:c80ac197fa6a | 475 | |
mbed_official | 330:c80ac197fa6a | 476 | /* Apply lock key write sequence */ |
mbed_official | 330:c80ac197fa6a | 477 | tmp |= GPIO_Pin; |
mbed_official | 330:c80ac197fa6a | 478 | /* Set LCKx bit(s): LCKK='1' + LCK[15-0] */ |
mbed_official | 330:c80ac197fa6a | 479 | GPIOx->LCKR = tmp; |
mbed_official | 330:c80ac197fa6a | 480 | /* Reset LCKx bit(s): LCKK='0' + LCK[15-0] */ |
mbed_official | 330:c80ac197fa6a | 481 | GPIOx->LCKR = GPIO_Pin; |
mbed_official | 330:c80ac197fa6a | 482 | /* Set LCKx bit(s): LCKK='1' + LCK[15-0] */ |
mbed_official | 330:c80ac197fa6a | 483 | GPIOx->LCKR = tmp; |
mbed_official | 330:c80ac197fa6a | 484 | /* Read LCKK bit*/ |
mbed_official | 330:c80ac197fa6a | 485 | tmp = GPIOx->LCKR; |
mbed_official | 330:c80ac197fa6a | 486 | |
mbed_official | 330:c80ac197fa6a | 487 | if((GPIOx->LCKR & GPIO_LCKR_LCKK) != RESET) |
mbed_official | 330:c80ac197fa6a | 488 | { |
mbed_official | 330:c80ac197fa6a | 489 | return HAL_OK; |
mbed_official | 330:c80ac197fa6a | 490 | } |
mbed_official | 330:c80ac197fa6a | 491 | else |
mbed_official | 330:c80ac197fa6a | 492 | { |
mbed_official | 330:c80ac197fa6a | 493 | return HAL_ERROR; |
mbed_official | 330:c80ac197fa6a | 494 | } |
mbed_official | 330:c80ac197fa6a | 495 | } |
mbed_official | 330:c80ac197fa6a | 496 | |
mbed_official | 330:c80ac197fa6a | 497 | /** |
mbed_official | 330:c80ac197fa6a | 498 | * @brief This function handles EXTI interrupt request. |
mbed_official | 330:c80ac197fa6a | 499 | * @param GPIO_Pin: Specifies the pins connected EXTI line |
mbed_official | 330:c80ac197fa6a | 500 | * @retval None |
mbed_official | 330:c80ac197fa6a | 501 | */ |
mbed_official | 330:c80ac197fa6a | 502 | void HAL_GPIO_EXTI_IRQHandler(uint16_t GPIO_Pin) |
mbed_official | 330:c80ac197fa6a | 503 | { |
mbed_official | 330:c80ac197fa6a | 504 | /* EXTI line interrupt detected */ |
mbed_official | 330:c80ac197fa6a | 505 | if(__HAL_GPIO_EXTI_GET_IT(GPIO_Pin) != RESET) |
mbed_official | 330:c80ac197fa6a | 506 | { |
mbed_official | 330:c80ac197fa6a | 507 | __HAL_GPIO_EXTI_CLEAR_IT(GPIO_Pin); |
mbed_official | 330:c80ac197fa6a | 508 | HAL_GPIO_EXTI_Callback(GPIO_Pin); |
mbed_official | 330:c80ac197fa6a | 509 | } |
mbed_official | 330:c80ac197fa6a | 510 | } |
mbed_official | 330:c80ac197fa6a | 511 | |
mbed_official | 330:c80ac197fa6a | 512 | /** |
mbed_official | 330:c80ac197fa6a | 513 | * @brief EXTI line detection callbacks. |
mbed_official | 330:c80ac197fa6a | 514 | * @param GPIO_Pin: Specifies the pins connected EXTI line |
mbed_official | 330:c80ac197fa6a | 515 | * @retval None |
mbed_official | 330:c80ac197fa6a | 516 | */ |
mbed_official | 330:c80ac197fa6a | 517 | __weak void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin) |
mbed_official | 330:c80ac197fa6a | 518 | { |
mbed_official | 330:c80ac197fa6a | 519 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 330:c80ac197fa6a | 520 | the HAL_GPIO_EXTI_Callback could be implemented in the user file |
mbed_official | 330:c80ac197fa6a | 521 | */ |
mbed_official | 330:c80ac197fa6a | 522 | } |
mbed_official | 330:c80ac197fa6a | 523 | |
mbed_official | 330:c80ac197fa6a | 524 | /** |
mbed_official | 330:c80ac197fa6a | 525 | * @} |
mbed_official | 330:c80ac197fa6a | 526 | */ |
mbed_official | 330:c80ac197fa6a | 527 | |
mbed_official | 330:c80ac197fa6a | 528 | |
mbed_official | 330:c80ac197fa6a | 529 | /** |
mbed_official | 330:c80ac197fa6a | 530 | * @} |
mbed_official | 330:c80ac197fa6a | 531 | */ |
mbed_official | 330:c80ac197fa6a | 532 | |
mbed_official | 330:c80ac197fa6a | 533 | #endif /* HAL_GPIO_MODULE_ENABLED */ |
mbed_official | 330:c80ac197fa6a | 534 | /** |
mbed_official | 330:c80ac197fa6a | 535 | * @} |
mbed_official | 330:c80ac197fa6a | 536 | */ |
mbed_official | 330:c80ac197fa6a | 537 | |
mbed_official | 330:c80ac197fa6a | 538 | /** |
mbed_official | 330:c80ac197fa6a | 539 | * @} |
mbed_official | 330:c80ac197fa6a | 540 | */ |
mbed_official | 330:c80ac197fa6a | 541 | |
mbed_official | 330:c80ac197fa6a | 542 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |