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targets/cmsis/TARGET_STM/TARGET_STM32L1/stm32l1xx_hal_gpio.c@603:f00c7e78e8b4, 2015-08-09 (annotated)
- Committer:
- HiAlgoBoost
- Date:
- Sun Aug 09 05:18:54 2015 +0000
- Revision:
- 603:f00c7e78e8b4
- Parent:
- 394:83f921546702
Evening of August 8th version
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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mbed_official | 354:e67efb2aab0e | 1 | /** |
mbed_official | 354:e67efb2aab0e | 2 | ****************************************************************************** |
mbed_official | 354:e67efb2aab0e | 3 | * @file stm32l1xx_hal_gpio.c |
mbed_official | 354:e67efb2aab0e | 4 | * @author MCD Application Team |
mbed_official | 354:e67efb2aab0e | 5 | * @version V1.0.0 |
mbed_official | 354:e67efb2aab0e | 6 | * @date 5-September-2014 |
mbed_official | 354:e67efb2aab0e | 7 | * @brief GPIO HAL module driver. |
mbed_official | 354:e67efb2aab0e | 8 | * This file provides firmware functions to manage the following |
mbed_official | 354:e67efb2aab0e | 9 | * functionalities of the General Purpose Input/Output (GPIO) peripheral: |
mbed_official | 354:e67efb2aab0e | 10 | * + Initialization and de-initialization functions |
mbed_official | 354:e67efb2aab0e | 11 | * + IO operation functions |
mbed_official | 354:e67efb2aab0e | 12 | * |
mbed_official | 354:e67efb2aab0e | 13 | @verbatim |
mbed_official | 354:e67efb2aab0e | 14 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 15 | ##### GPIO Peripheral features ##### |
mbed_official | 354:e67efb2aab0e | 16 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 17 | [..] |
mbed_official | 354:e67efb2aab0e | 18 | Each port bit of the general-purpose I/O (GPIO) ports can be individually |
mbed_official | 354:e67efb2aab0e | 19 | configured by software in several modes: |
mbed_official | 354:e67efb2aab0e | 20 | (+) Input mode |
mbed_official | 354:e67efb2aab0e | 21 | (+) Analog mode |
mbed_official | 354:e67efb2aab0e | 22 | (+) Output mode |
mbed_official | 354:e67efb2aab0e | 23 | (+) Alternate function mode |
mbed_official | 354:e67efb2aab0e | 24 | (+) External interrupt/event lines |
mbed_official | 354:e67efb2aab0e | 25 | |
mbed_official | 354:e67efb2aab0e | 26 | [..] |
mbed_official | 354:e67efb2aab0e | 27 | During and just after reset, the alternate functions and external interrupt |
mbed_official | 354:e67efb2aab0e | 28 | lines are not active and the I/O ports are configured in input floating mode. |
mbed_official | 354:e67efb2aab0e | 29 | |
mbed_official | 354:e67efb2aab0e | 30 | [..] |
mbed_official | 354:e67efb2aab0e | 31 | All GPIO pins have weak internal pull-up and pull-down resistors, which can be |
mbed_official | 354:e67efb2aab0e | 32 | activated or not. |
mbed_official | 354:e67efb2aab0e | 33 | |
mbed_official | 354:e67efb2aab0e | 34 | [..] |
mbed_official | 354:e67efb2aab0e | 35 | In Output or Alternate mode, each IO can be configured on open-drain or push-pull |
mbed_official | 354:e67efb2aab0e | 36 | type and the IO speed can be selected depending on the VDD value. |
mbed_official | 354:e67efb2aab0e | 37 | |
mbed_official | 354:e67efb2aab0e | 38 | [..] |
mbed_official | 354:e67efb2aab0e | 39 | The microcontroller IO pins are connected to onboard peripherals/modules through a |
mbed_official | 354:e67efb2aab0e | 40 | multiplexer that allows only one peripherals alternate function (AF) connected |
mbed_official | 354:e67efb2aab0e | 41 | to an IO pin at a time. In this way, there can be no conflict between peripherals |
mbed_official | 354:e67efb2aab0e | 42 | sharing the same IO pin. |
mbed_official | 354:e67efb2aab0e | 43 | |
mbed_official | 354:e67efb2aab0e | 44 | [..] |
mbed_official | 354:e67efb2aab0e | 45 | All ports have external interrupt/event capability. To use external interrupt |
mbed_official | 354:e67efb2aab0e | 46 | lines, the port must be configured in input mode. All available GPIO pins are |
mbed_official | 354:e67efb2aab0e | 47 | connected to the 16 external interrupt/event lines from EXTI0 to EXTI15. |
mbed_official | 354:e67efb2aab0e | 48 | |
mbed_official | 354:e67efb2aab0e | 49 | [..] |
mbed_official | 354:e67efb2aab0e | 50 | The external interrupt/event controller consists of up to 23 edge detectors |
mbed_official | 354:e67efb2aab0e | 51 | (16 lines are connected to GPIO) for generating event/interrupt requests (each |
mbed_official | 354:e67efb2aab0e | 52 | input line can be independently configured to select the type (interrupt or event) |
mbed_official | 354:e67efb2aab0e | 53 | and the corresponding trigger event (rising or falling or both). Each line can |
mbed_official | 354:e67efb2aab0e | 54 | also be masked independently. |
mbed_official | 354:e67efb2aab0e | 55 | |
mbed_official | 354:e67efb2aab0e | 56 | ##### How to use this driver ##### |
mbed_official | 354:e67efb2aab0e | 57 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 58 | [..] |
mbed_official | 354:e67efb2aab0e | 59 | (#) Enable the GPIO AHB clock using the following function : __GPIOx_CLK_ENABLE(). |
mbed_official | 354:e67efb2aab0e | 60 | |
mbed_official | 354:e67efb2aab0e | 61 | (#) Configure the GPIO pin(s) using HAL_GPIO_Init(). |
mbed_official | 354:e67efb2aab0e | 62 | (++) Configure the IO mode using "Mode" member from GPIO_InitTypeDef structure |
mbed_official | 354:e67efb2aab0e | 63 | (++) Activate Pull-up, Pull-down resistor using "Pull" member from GPIO_InitTypeDef |
mbed_official | 354:e67efb2aab0e | 64 | structure. |
mbed_official | 354:e67efb2aab0e | 65 | (++) In case of Output or alternate function mode selection: the speed is |
mbed_official | 354:e67efb2aab0e | 66 | configured through "Speed" member from GPIO_InitTypeDef structure |
mbed_official | 354:e67efb2aab0e | 67 | (++) If alternate mode is selected, the alternate function connected to the IO |
mbed_official | 354:e67efb2aab0e | 68 | is configured through "Alternate" member from GPIO_InitTypeDef structure |
mbed_official | 354:e67efb2aab0e | 69 | (++) Analog mode is required when a pin is to be used as ADC channel |
mbed_official | 354:e67efb2aab0e | 70 | or DAC output. |
mbed_official | 354:e67efb2aab0e | 71 | (++) In case of external interrupt/event selection the "Mode" member from |
mbed_official | 354:e67efb2aab0e | 72 | GPIO_InitTypeDef structure select the type (interrupt or event) and |
mbed_official | 354:e67efb2aab0e | 73 | the corresponding trigger event (rising or falling or both). |
mbed_official | 354:e67efb2aab0e | 74 | |
mbed_official | 354:e67efb2aab0e | 75 | (#) In case of external interrupt/event mode selection, configure NVIC IRQ priority |
mbed_official | 354:e67efb2aab0e | 76 | mapped to the EXTI line using HAL_NVIC_SetPriority() and enable it using |
mbed_official | 354:e67efb2aab0e | 77 | HAL_NVIC_EnableIRQ(). |
mbed_official | 354:e67efb2aab0e | 78 | |
mbed_official | 354:e67efb2aab0e | 79 | (#) To get the level of a pin configured in input mode use HAL_GPIO_ReadPin(). |
mbed_official | 354:e67efb2aab0e | 80 | |
mbed_official | 354:e67efb2aab0e | 81 | (#) To set/reset the level of a pin configured in output mode use |
mbed_official | 354:e67efb2aab0e | 82 | HAL_GPIO_WritePin()/HAL_GPIO_TogglePin(). |
mbed_official | 354:e67efb2aab0e | 83 | |
mbed_official | 354:e67efb2aab0e | 84 | (#) To lock pin configuration until next reset use HAL_GPIO_LockPin(). |
mbed_official | 354:e67efb2aab0e | 85 | |
mbed_official | 354:e67efb2aab0e | 86 | (#) During and just after reset, the alternate functions are not |
mbed_official | 354:e67efb2aab0e | 87 | active and the GPIO pins are configured in input floating mode (except JTAG |
mbed_official | 354:e67efb2aab0e | 88 | pins). |
mbed_official | 354:e67efb2aab0e | 89 | |
mbed_official | 354:e67efb2aab0e | 90 | (#) The LSE oscillator pins OSC32_IN and OSC32_OUT can be used as general purpose |
mbed_official | 354:e67efb2aab0e | 91 | (PC14 and PC15, respectively) when the LSE oscillator is off. The LSE has |
mbed_official | 354:e67efb2aab0e | 92 | priority over the GPIO function. |
mbed_official | 354:e67efb2aab0e | 93 | |
mbed_official | 354:e67efb2aab0e | 94 | (#) The HSE oscillator pins OSC_IN/OSC_OUT can be used as |
mbed_official | 354:e67efb2aab0e | 95 | general purpose PH0 and PH1, respectively, when the HSE oscillator is off. |
mbed_official | 354:e67efb2aab0e | 96 | The HSE has priority over the GPIO function. |
mbed_official | 354:e67efb2aab0e | 97 | |
mbed_official | 354:e67efb2aab0e | 98 | @endverbatim |
mbed_official | 354:e67efb2aab0e | 99 | ****************************************************************************** |
mbed_official | 354:e67efb2aab0e | 100 | * @attention |
mbed_official | 354:e67efb2aab0e | 101 | * |
mbed_official | 354:e67efb2aab0e | 102 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
mbed_official | 354:e67efb2aab0e | 103 | * |
mbed_official | 354:e67efb2aab0e | 104 | * Redistribution and use in source and binary forms, with or without modification, |
mbed_official | 354:e67efb2aab0e | 105 | * are permitted provided that the following conditions are met: |
mbed_official | 354:e67efb2aab0e | 106 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 354:e67efb2aab0e | 107 | * this list of conditions and the following disclaimer. |
mbed_official | 354:e67efb2aab0e | 108 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 354:e67efb2aab0e | 109 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 354:e67efb2aab0e | 110 | * and/or other materials provided with the distribution. |
mbed_official | 354:e67efb2aab0e | 111 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 354:e67efb2aab0e | 112 | * may be used to endorse or promote products derived from this software |
mbed_official | 354:e67efb2aab0e | 113 | * without specific prior written permission. |
mbed_official | 354:e67efb2aab0e | 114 | * |
mbed_official | 354:e67efb2aab0e | 115 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 354:e67efb2aab0e | 116 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 354:e67efb2aab0e | 117 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 354:e67efb2aab0e | 118 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 354:e67efb2aab0e | 119 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 354:e67efb2aab0e | 120 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 354:e67efb2aab0e | 121 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 354:e67efb2aab0e | 122 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 354:e67efb2aab0e | 123 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 354:e67efb2aab0e | 124 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 354:e67efb2aab0e | 125 | * |
mbed_official | 354:e67efb2aab0e | 126 | ****************************************************************************** |
mbed_official | 354:e67efb2aab0e | 127 | */ |
mbed_official | 354:e67efb2aab0e | 128 | |
mbed_official | 354:e67efb2aab0e | 129 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 130 | #include "stm32l1xx_hal.h" |
mbed_official | 354:e67efb2aab0e | 131 | |
mbed_official | 354:e67efb2aab0e | 132 | /** @addtogroup STM32L1xx_HAL_Driver |
mbed_official | 354:e67efb2aab0e | 133 | * @{ |
mbed_official | 354:e67efb2aab0e | 134 | */ |
mbed_official | 354:e67efb2aab0e | 135 | |
mbed_official | 354:e67efb2aab0e | 136 | /** @defgroup GPIO GPIO |
mbed_official | 354:e67efb2aab0e | 137 | * @brief GPIO HAL module driver |
mbed_official | 354:e67efb2aab0e | 138 | * @{ |
mbed_official | 354:e67efb2aab0e | 139 | */ |
mbed_official | 354:e67efb2aab0e | 140 | |
mbed_official | 354:e67efb2aab0e | 141 | #ifdef HAL_GPIO_MODULE_ENABLED |
mbed_official | 354:e67efb2aab0e | 142 | |
mbed_official | 354:e67efb2aab0e | 143 | /* Private typedef -----------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 144 | /* Private define ------------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 145 | /** @defgroup GPIO_Private_Constants GPIO Private Constants |
mbed_official | 354:e67efb2aab0e | 146 | * @{ |
mbed_official | 354:e67efb2aab0e | 147 | */ |
mbed_official | 354:e67efb2aab0e | 148 | |
mbed_official | 354:e67efb2aab0e | 149 | #define GPIO_MODE ((uint32_t)0x00000003) |
mbed_official | 354:e67efb2aab0e | 150 | #define EXTI_MODE ((uint32_t)0x10000000) |
mbed_official | 354:e67efb2aab0e | 151 | #define GPIO_MODE_IT ((uint32_t)0x00010000) |
mbed_official | 354:e67efb2aab0e | 152 | #define GPIO_MODE_EVT ((uint32_t)0x00020000) |
mbed_official | 354:e67efb2aab0e | 153 | #define RISING_EDGE ((uint32_t)0x00100000) |
mbed_official | 354:e67efb2aab0e | 154 | #define FALLING_EDGE ((uint32_t)0x00200000) |
mbed_official | 354:e67efb2aab0e | 155 | #define GPIO_OUTPUT_TYPE ((uint32_t)0x00000010) |
mbed_official | 354:e67efb2aab0e | 156 | #define GPIO_NUMBER ((uint32_t)16) |
mbed_official | 354:e67efb2aab0e | 157 | |
mbed_official | 354:e67efb2aab0e | 158 | /** |
mbed_official | 354:e67efb2aab0e | 159 | * @} |
mbed_official | 354:e67efb2aab0e | 160 | */ |
mbed_official | 354:e67efb2aab0e | 161 | |
mbed_official | 354:e67efb2aab0e | 162 | /* Private macro -------------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 163 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 164 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 165 | /* Private functions ---------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 166 | |
mbed_official | 354:e67efb2aab0e | 167 | /** @defgroup GPIO_Exported_Functions GPIO Exported Functions |
mbed_official | 354:e67efb2aab0e | 168 | * @{ |
mbed_official | 354:e67efb2aab0e | 169 | */ |
mbed_official | 354:e67efb2aab0e | 170 | |
mbed_official | 354:e67efb2aab0e | 171 | /** @defgroup GPIO_Exported_Functions_Group1 Initialization/de-initialization functions |
mbed_official | 354:e67efb2aab0e | 172 | * @brief Initialization and Configuration functions |
mbed_official | 354:e67efb2aab0e | 173 | * |
mbed_official | 354:e67efb2aab0e | 174 | @verbatim |
mbed_official | 354:e67efb2aab0e | 175 | =============================================================================== |
mbed_official | 354:e67efb2aab0e | 176 | ##### Initialization and de-initialization functions ##### |
mbed_official | 354:e67efb2aab0e | 177 | =============================================================================== |
mbed_official | 354:e67efb2aab0e | 178 | |
mbed_official | 354:e67efb2aab0e | 179 | @endverbatim |
mbed_official | 354:e67efb2aab0e | 180 | * @{ |
mbed_official | 354:e67efb2aab0e | 181 | */ |
mbed_official | 354:e67efb2aab0e | 182 | |
mbed_official | 354:e67efb2aab0e | 183 | /** |
mbed_official | 354:e67efb2aab0e | 184 | * @brief Initializes the GPIOx peripheral according to the specified parameters in the GPIO_Init. |
mbed_official | 354:e67efb2aab0e | 185 | * @param GPIOx: where x can be (A..G depending on device used) to select the GPIO peripheral for STM32L1XX family devices |
mbed_official | 354:e67efb2aab0e | 186 | * @param GPIO_Init: pointer to a GPIO_InitTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 187 | * the configuration information for the specified GPIO peripheral. |
mbed_official | 354:e67efb2aab0e | 188 | * @retval None |
mbed_official | 354:e67efb2aab0e | 189 | */ |
mbed_official | 354:e67efb2aab0e | 190 | void HAL_GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_Init) |
mbed_official | 354:e67efb2aab0e | 191 | { |
mbed_official | 354:e67efb2aab0e | 192 | uint32_t position; |
mbed_official | 354:e67efb2aab0e | 193 | uint32_t ioposition = 0x00; |
mbed_official | 354:e67efb2aab0e | 194 | uint32_t iocurrent = 0x00; |
mbed_official | 354:e67efb2aab0e | 195 | uint32_t temp = 0x00; |
mbed_official | 354:e67efb2aab0e | 196 | |
mbed_official | 354:e67efb2aab0e | 197 | /* Check the parameters */ |
mbed_official | 354:e67efb2aab0e | 198 | assert_param(IS_GPIO_ALL_INSTANCE(GPIOx)); |
mbed_official | 354:e67efb2aab0e | 199 | assert_param(IS_GPIO_PIN(GPIO_Init->Pin)); |
mbed_official | 354:e67efb2aab0e | 200 | assert_param(IS_GPIO_MODE(GPIO_Init->Mode)); |
mbed_official | 354:e67efb2aab0e | 201 | assert_param(IS_GPIO_PULL(GPIO_Init->Pull)); |
mbed_official | 354:e67efb2aab0e | 202 | |
mbed_official | 354:e67efb2aab0e | 203 | /* Configure the port pins */ |
mbed_official | 354:e67efb2aab0e | 204 | for (position = 0; position < GPIO_NUMBER; position++) |
mbed_official | 354:e67efb2aab0e | 205 | { |
mbed_official | 354:e67efb2aab0e | 206 | /* Get the IO position */ |
mbed_official | 354:e67efb2aab0e | 207 | ioposition = ((uint32_t)0x01) << position; |
mbed_official | 354:e67efb2aab0e | 208 | /* Get the current IO position */ |
mbed_official | 354:e67efb2aab0e | 209 | iocurrent = (uint32_t)(GPIO_Init->Pin) & ioposition; |
mbed_official | 354:e67efb2aab0e | 210 | |
mbed_official | 354:e67efb2aab0e | 211 | if (iocurrent == ioposition) |
mbed_official | 354:e67efb2aab0e | 212 | { |
mbed_official | 354:e67efb2aab0e | 213 | /*--------------------- GPIO Mode Configuration ------------------------*/ |
mbed_official | 354:e67efb2aab0e | 214 | /* In case of Alternate function mode selection */ |
mbed_official | 354:e67efb2aab0e | 215 | if((GPIO_Init->Mode == GPIO_MODE_AF_PP) || (GPIO_Init->Mode == GPIO_MODE_AF_OD)) |
mbed_official | 354:e67efb2aab0e | 216 | { |
mbed_official | 354:e67efb2aab0e | 217 | /* Check the Alternate function parameter */ |
mbed_official | 354:e67efb2aab0e | 218 | assert_param(IS_GPIO_AF(GPIO_Init->Alternate)); |
mbed_official | 354:e67efb2aab0e | 219 | /* Configure Alternate function mapped with the current IO */ |
mbed_official | 354:e67efb2aab0e | 220 | /* Identify AFRL or AFRH register based on IO position*/ |
mbed_official | 354:e67efb2aab0e | 221 | temp = GPIOx->AFR[position >> 3]; |
mbed_official | 354:e67efb2aab0e | 222 | CLEAR_BIT(temp, (uint32_t)0xF << ((uint32_t)(position & (uint32_t)0x07) * 4)) ; |
mbed_official | 354:e67efb2aab0e | 223 | SET_BIT(temp, (uint32_t)(GPIO_Init->Alternate) << (((uint32_t)position & (uint32_t)0x07) * 4)); |
mbed_official | 354:e67efb2aab0e | 224 | GPIOx->AFR[position >> 3] = temp; |
mbed_official | 354:e67efb2aab0e | 225 | } |
mbed_official | 354:e67efb2aab0e | 226 | |
mbed_official | 354:e67efb2aab0e | 227 | /* Configure IO Direction mode (Input, Output, Alternate or Analog) */ |
mbed_official | 354:e67efb2aab0e | 228 | temp = GPIOx->MODER; |
mbed_official | 354:e67efb2aab0e | 229 | CLEAR_BIT(temp, GPIO_MODER_MODER0 << (position * 2)); |
mbed_official | 354:e67efb2aab0e | 230 | SET_BIT(temp, (GPIO_Init->Mode & GPIO_MODE) << (position * 2)); |
mbed_official | 354:e67efb2aab0e | 231 | GPIOx->MODER = temp; |
mbed_official | 354:e67efb2aab0e | 232 | |
mbed_official | 354:e67efb2aab0e | 233 | /* In case of Output or Alternate function mode selection */ |
mbed_official | 354:e67efb2aab0e | 234 | if ((GPIO_Init->Mode == GPIO_MODE_OUTPUT_PP) || (GPIO_Init->Mode == GPIO_MODE_AF_PP) || |
mbed_official | 354:e67efb2aab0e | 235 | (GPIO_Init->Mode == GPIO_MODE_OUTPUT_OD) || (GPIO_Init->Mode == GPIO_MODE_AF_OD)) |
mbed_official | 354:e67efb2aab0e | 236 | { |
mbed_official | 354:e67efb2aab0e | 237 | /* Check the Speed parameter */ |
mbed_official | 354:e67efb2aab0e | 238 | assert_param(IS_GPIO_SPEED(GPIO_Init->Speed)); |
mbed_official | 354:e67efb2aab0e | 239 | /* Configure the IO Speed */ |
mbed_official | 354:e67efb2aab0e | 240 | temp = GPIOx->OSPEEDR; |
mbed_official | 354:e67efb2aab0e | 241 | CLEAR_BIT(temp, GPIO_OSPEEDER_OSPEEDR0 << (position * 2)); |
mbed_official | 354:e67efb2aab0e | 242 | SET_BIT(temp, GPIO_Init->Speed << (position * 2)); |
mbed_official | 354:e67efb2aab0e | 243 | GPIOx->OSPEEDR = temp; |
mbed_official | 354:e67efb2aab0e | 244 | |
mbed_official | 354:e67efb2aab0e | 245 | /* Configure the IO Output Type */ |
mbed_official | 354:e67efb2aab0e | 246 | temp = GPIOx->OTYPER; |
mbed_official | 354:e67efb2aab0e | 247 | CLEAR_BIT(temp, GPIO_OTYPER_OT_0 << position) ; |
mbed_official | 354:e67efb2aab0e | 248 | SET_BIT(temp, ((GPIO_Init->Mode & GPIO_OUTPUT_TYPE) >> 4) << position); |
mbed_official | 354:e67efb2aab0e | 249 | GPIOx->OTYPER = temp; |
mbed_official | 354:e67efb2aab0e | 250 | } |
mbed_official | 354:e67efb2aab0e | 251 | |
mbed_official | 354:e67efb2aab0e | 252 | /* Activate the Pull-up or Pull down resistor for the current IO */ |
mbed_official | 354:e67efb2aab0e | 253 | temp = GPIOx->PUPDR; |
mbed_official | 354:e67efb2aab0e | 254 | CLEAR_BIT(temp, GPIO_PUPDR_PUPDR0 << (position * 2)); |
mbed_official | 354:e67efb2aab0e | 255 | SET_BIT(temp, (GPIO_Init->Pull) << (position * 2)); |
mbed_official | 354:e67efb2aab0e | 256 | GPIOx->PUPDR = temp; |
mbed_official | 354:e67efb2aab0e | 257 | |
mbed_official | 354:e67efb2aab0e | 258 | /*--------------------- EXTI Mode Configuration ------------------------*/ |
mbed_official | 354:e67efb2aab0e | 259 | /* Configure the External Interrupt or event for the current IO */ |
mbed_official | 354:e67efb2aab0e | 260 | if((GPIO_Init->Mode & EXTI_MODE) == EXTI_MODE) |
mbed_official | 354:e67efb2aab0e | 261 | { |
mbed_official | 354:e67efb2aab0e | 262 | /* Enable SYSCFG Clock */ |
mbed_official | 354:e67efb2aab0e | 263 | __SYSCFG_CLK_ENABLE(); |
mbed_official | 354:e67efb2aab0e | 264 | |
mbed_official | 354:e67efb2aab0e | 265 | temp = SYSCFG->EXTICR[position >> 2]; |
mbed_official | 354:e67efb2aab0e | 266 | CLEAR_BIT(temp, ((uint32_t)0x0F) << (4 * (position & 0x03))); |
mbed_official | 354:e67efb2aab0e | 267 | SET_BIT(temp, (GET_GPIO_INDEX(GPIOx)) << (4 * (position & 0x03))); |
mbed_official | 354:e67efb2aab0e | 268 | SYSCFG->EXTICR[position >> 2] = temp; |
mbed_official | 354:e67efb2aab0e | 269 | |
mbed_official | 354:e67efb2aab0e | 270 | /* Clear EXTI line configuration */ |
mbed_official | 354:e67efb2aab0e | 271 | temp = EXTI->IMR; |
mbed_official | 354:e67efb2aab0e | 272 | CLEAR_BIT(temp, (uint32_t)iocurrent); |
mbed_official | 354:e67efb2aab0e | 273 | if((GPIO_Init->Mode & GPIO_MODE_IT) == GPIO_MODE_IT) |
mbed_official | 354:e67efb2aab0e | 274 | { |
mbed_official | 354:e67efb2aab0e | 275 | SET_BIT(temp, iocurrent); |
mbed_official | 354:e67efb2aab0e | 276 | } |
mbed_official | 354:e67efb2aab0e | 277 | EXTI->IMR = temp; |
mbed_official | 354:e67efb2aab0e | 278 | |
mbed_official | 354:e67efb2aab0e | 279 | temp = EXTI->EMR; |
mbed_official | 354:e67efb2aab0e | 280 | CLEAR_BIT(temp, (uint32_t)iocurrent); |
mbed_official | 354:e67efb2aab0e | 281 | if((GPIO_Init->Mode & GPIO_MODE_EVT) == GPIO_MODE_EVT) |
mbed_official | 354:e67efb2aab0e | 282 | { |
mbed_official | 354:e67efb2aab0e | 283 | SET_BIT(temp, iocurrent); |
mbed_official | 354:e67efb2aab0e | 284 | } |
mbed_official | 354:e67efb2aab0e | 285 | EXTI->EMR = temp; |
mbed_official | 354:e67efb2aab0e | 286 | |
mbed_official | 354:e67efb2aab0e | 287 | /* Clear Rising Falling edge configuration */ |
mbed_official | 354:e67efb2aab0e | 288 | temp = EXTI->RTSR; |
mbed_official | 354:e67efb2aab0e | 289 | CLEAR_BIT(temp, (uint32_t)iocurrent); |
mbed_official | 354:e67efb2aab0e | 290 | if((GPIO_Init->Mode & RISING_EDGE) == RISING_EDGE) |
mbed_official | 354:e67efb2aab0e | 291 | { |
mbed_official | 354:e67efb2aab0e | 292 | SET_BIT(temp, iocurrent); |
mbed_official | 354:e67efb2aab0e | 293 | } |
mbed_official | 354:e67efb2aab0e | 294 | EXTI->RTSR = temp; |
mbed_official | 354:e67efb2aab0e | 295 | |
mbed_official | 354:e67efb2aab0e | 296 | temp = EXTI->FTSR; |
mbed_official | 354:e67efb2aab0e | 297 | CLEAR_BIT(temp, (uint32_t)iocurrent); |
mbed_official | 354:e67efb2aab0e | 298 | if((GPIO_Init->Mode & FALLING_EDGE) == FALLING_EDGE) |
mbed_official | 354:e67efb2aab0e | 299 | { |
mbed_official | 354:e67efb2aab0e | 300 | SET_BIT(temp, iocurrent); |
mbed_official | 354:e67efb2aab0e | 301 | } |
mbed_official | 354:e67efb2aab0e | 302 | EXTI->FTSR = temp; |
mbed_official | 354:e67efb2aab0e | 303 | } |
mbed_official | 354:e67efb2aab0e | 304 | } |
mbed_official | 354:e67efb2aab0e | 305 | } |
mbed_official | 354:e67efb2aab0e | 306 | } |
mbed_official | 354:e67efb2aab0e | 307 | |
mbed_official | 354:e67efb2aab0e | 308 | /** |
mbed_official | 354:e67efb2aab0e | 309 | * @brief De-initializes the GPIOx peripheral registers to their default reset values. |
mbed_official | 354:e67efb2aab0e | 310 | * @param GPIOx: where x can be (A..G depending on device used) to select the GPIO peripheral for STM32L1XX family devices |
mbed_official | 354:e67efb2aab0e | 311 | * @param GPIO_Pin: specifies the port bit to be written. |
mbed_official | 354:e67efb2aab0e | 312 | * This parameter can be one of GPIO_PIN_x where x can be (0..15). |
mbed_official | 354:e67efb2aab0e | 313 | * @retval None |
mbed_official | 354:e67efb2aab0e | 314 | */ |
mbed_official | 354:e67efb2aab0e | 315 | void HAL_GPIO_DeInit(GPIO_TypeDef *GPIOx, uint32_t GPIO_Pin) |
mbed_official | 354:e67efb2aab0e | 316 | { |
mbed_official | 354:e67efb2aab0e | 317 | uint32_t position; |
mbed_official | 354:e67efb2aab0e | 318 | uint32_t ioposition = 0x00; |
mbed_official | 354:e67efb2aab0e | 319 | uint32_t iocurrent = 0x00; |
mbed_official | 354:e67efb2aab0e | 320 | uint32_t tmp = 0x00; |
mbed_official | 354:e67efb2aab0e | 321 | |
mbed_official | 354:e67efb2aab0e | 322 | /* Check the parameters */ |
mbed_official | 354:e67efb2aab0e | 323 | assert_param(IS_GPIO_ALL_INSTANCE(GPIOx)); |
mbed_official | 354:e67efb2aab0e | 324 | |
mbed_official | 354:e67efb2aab0e | 325 | /* Configure the port pins */ |
mbed_official | 354:e67efb2aab0e | 326 | for (position = 0; position < GPIO_NUMBER; position++) |
mbed_official | 354:e67efb2aab0e | 327 | { |
mbed_official | 354:e67efb2aab0e | 328 | /* Get the IO position */ |
mbed_official | 354:e67efb2aab0e | 329 | ioposition = ((uint32_t)0x01) << position; |
mbed_official | 354:e67efb2aab0e | 330 | /* Get the current IO position */ |
mbed_official | 354:e67efb2aab0e | 331 | iocurrent = (GPIO_Pin) & ioposition; |
mbed_official | 354:e67efb2aab0e | 332 | |
mbed_official | 354:e67efb2aab0e | 333 | if (iocurrent == ioposition) |
mbed_official | 354:e67efb2aab0e | 334 | { |
mbed_official | 354:e67efb2aab0e | 335 | /*------------------------- GPIO Mode Configuration --------------------*/ |
mbed_official | 354:e67efb2aab0e | 336 | /* Configure IO Direction in Input Floting Mode */ |
mbed_official | 354:e67efb2aab0e | 337 | CLEAR_BIT(GPIOx->MODER, GPIO_MODER_MODER0 << (position * 2)); |
mbed_official | 354:e67efb2aab0e | 338 | |
mbed_official | 354:e67efb2aab0e | 339 | /* Configure the default Alternate Function in current IO */ |
mbed_official | 354:e67efb2aab0e | 340 | CLEAR_BIT(GPIOx->AFR[position >> 3], (uint32_t)0xF << ((uint32_t)(position & (uint32_t)0x07) * 4)) ; |
mbed_official | 354:e67efb2aab0e | 341 | |
mbed_official | 354:e67efb2aab0e | 342 | /* Configure the default value for IO Speed */ |
mbed_official | 354:e67efb2aab0e | 343 | CLEAR_BIT(GPIOx->OSPEEDR, GPIO_OSPEEDER_OSPEEDR0 << (position * 2)); |
mbed_official | 354:e67efb2aab0e | 344 | |
mbed_official | 354:e67efb2aab0e | 345 | /* Configure the default value IO Output Type */ |
mbed_official | 354:e67efb2aab0e | 346 | CLEAR_BIT(GPIOx->OTYPER, GPIO_OTYPER_OT_0 << position) ; |
mbed_official | 354:e67efb2aab0e | 347 | |
mbed_official | 354:e67efb2aab0e | 348 | /* Deactivate the Pull-up oand Pull-down resistor for the current IO */ |
mbed_official | 354:e67efb2aab0e | 349 | CLEAR_BIT(GPIOx->PUPDR, GPIO_PUPDR_PUPDR0 << (position * 2)); |
mbed_official | 354:e67efb2aab0e | 350 | |
mbed_official | 354:e67efb2aab0e | 351 | |
mbed_official | 354:e67efb2aab0e | 352 | /*------------------------- EXTI Mode Configuration --------------------*/ |
mbed_official | 354:e67efb2aab0e | 353 | /* Configure the External Interrupt or event for the current IO */ |
mbed_official | 354:e67efb2aab0e | 354 | tmp = ((uint32_t)0x0F) << (4 * (position & 0x03)); |
mbed_official | 354:e67efb2aab0e | 355 | CLEAR_BIT(SYSCFG->EXTICR[position >> 2], tmp); |
mbed_official | 354:e67efb2aab0e | 356 | |
mbed_official | 354:e67efb2aab0e | 357 | /* Clear EXTI line configuration */ |
mbed_official | 354:e67efb2aab0e | 358 | CLEAR_BIT(EXTI->IMR, (uint32_t)iocurrent); |
mbed_official | 354:e67efb2aab0e | 359 | CLEAR_BIT(EXTI->EMR, (uint32_t)iocurrent); |
mbed_official | 354:e67efb2aab0e | 360 | |
mbed_official | 354:e67efb2aab0e | 361 | /* Clear Rising Falling edge configuration */ |
mbed_official | 354:e67efb2aab0e | 362 | CLEAR_BIT(EXTI->RTSR, (uint32_t)iocurrent); |
mbed_official | 354:e67efb2aab0e | 363 | CLEAR_BIT(EXTI->FTSR, (uint32_t)iocurrent); |
mbed_official | 354:e67efb2aab0e | 364 | } |
mbed_official | 354:e67efb2aab0e | 365 | } |
mbed_official | 354:e67efb2aab0e | 366 | } |
mbed_official | 354:e67efb2aab0e | 367 | |
mbed_official | 354:e67efb2aab0e | 368 | /** |
mbed_official | 354:e67efb2aab0e | 369 | * @} |
mbed_official | 354:e67efb2aab0e | 370 | */ |
mbed_official | 354:e67efb2aab0e | 371 | |
mbed_official | 354:e67efb2aab0e | 372 | /** @defgroup GPIO_Exported_Functions_Group2 IO operation functions |
mbed_official | 354:e67efb2aab0e | 373 | * @brief GPIO Read and Write |
mbed_official | 354:e67efb2aab0e | 374 | * |
mbed_official | 354:e67efb2aab0e | 375 | @verbatim |
mbed_official | 354:e67efb2aab0e | 376 | =============================================================================== |
mbed_official | 354:e67efb2aab0e | 377 | ##### IO operation functions ##### |
mbed_official | 354:e67efb2aab0e | 378 | =============================================================================== |
mbed_official | 354:e67efb2aab0e | 379 | |
mbed_official | 354:e67efb2aab0e | 380 | @endverbatim |
mbed_official | 354:e67efb2aab0e | 381 | * @{ |
mbed_official | 354:e67efb2aab0e | 382 | */ |
mbed_official | 354:e67efb2aab0e | 383 | |
mbed_official | 354:e67efb2aab0e | 384 | /** |
mbed_official | 354:e67efb2aab0e | 385 | * @brief Reads the specified input port pin. |
mbed_official | 354:e67efb2aab0e | 386 | * @param GPIOx: where x can be (A..G depending on device used) to select the GPIO peripheral for STM32L1XX family devices |
mbed_official | 354:e67efb2aab0e | 387 | * @param GPIO_Pin: specifies the port bit to read. |
mbed_official | 354:e67efb2aab0e | 388 | * This parameter can be GPIO_PIN_x where x can be (0..15). |
mbed_official | 354:e67efb2aab0e | 389 | * @retval The input port pin value. |
mbed_official | 354:e67efb2aab0e | 390 | */ |
mbed_official | 354:e67efb2aab0e | 391 | GPIO_PinState HAL_GPIO_ReadPin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin) |
mbed_official | 354:e67efb2aab0e | 392 | { |
mbed_official | 354:e67efb2aab0e | 393 | GPIO_PinState bitstatus; |
mbed_official | 354:e67efb2aab0e | 394 | |
mbed_official | 354:e67efb2aab0e | 395 | /* Check the parameters */ |
mbed_official | 354:e67efb2aab0e | 396 | assert_param(IS_GPIO_PIN(GPIO_Pin)); |
mbed_official | 354:e67efb2aab0e | 397 | |
mbed_official | 354:e67efb2aab0e | 398 | if ((GPIOx->IDR & GPIO_Pin) != (uint32_t)GPIO_PIN_RESET) |
mbed_official | 354:e67efb2aab0e | 399 | { |
mbed_official | 354:e67efb2aab0e | 400 | bitstatus = GPIO_PIN_SET; |
mbed_official | 354:e67efb2aab0e | 401 | } |
mbed_official | 354:e67efb2aab0e | 402 | else |
mbed_official | 354:e67efb2aab0e | 403 | { |
mbed_official | 354:e67efb2aab0e | 404 | bitstatus = GPIO_PIN_RESET; |
mbed_official | 354:e67efb2aab0e | 405 | } |
mbed_official | 354:e67efb2aab0e | 406 | return bitstatus; |
mbed_official | 354:e67efb2aab0e | 407 | } |
mbed_official | 354:e67efb2aab0e | 408 | |
mbed_official | 354:e67efb2aab0e | 409 | /** |
mbed_official | 354:e67efb2aab0e | 410 | * @brief Sets or clears the selected data port bit. |
mbed_official | 354:e67efb2aab0e | 411 | * |
mbed_official | 354:e67efb2aab0e | 412 | * @note This function uses GPIOx_BSRR register to allow atomic read/modify |
mbed_official | 354:e67efb2aab0e | 413 | * accesses. In this way, there is no risk of an IRQ occurring between |
mbed_official | 354:e67efb2aab0e | 414 | * the read and the modify access. |
mbed_official | 354:e67efb2aab0e | 415 | * |
mbed_official | 354:e67efb2aab0e | 416 | * @param GPIOx: where x can be (A..G depending on device used) to select the GPIO peripheral for STM32L1XX family devices |
mbed_official | 354:e67efb2aab0e | 417 | * @param GPIO_Pin: specifies the port bit to be written. |
mbed_official | 354:e67efb2aab0e | 418 | * This parameter can be one of GPIO_PIN_x where x can be (0..15). |
mbed_official | 354:e67efb2aab0e | 419 | * @param PinState: specifies the value to be written to the selected bit. |
mbed_official | 354:e67efb2aab0e | 420 | * This parameter can be one of the GPIO_PinState enum values: |
mbed_official | 354:e67efb2aab0e | 421 | * @arg GPIO_BIT_RESET: to clear the port pin |
mbed_official | 354:e67efb2aab0e | 422 | * @arg GPIO_BIT_SET: to set the port pin |
mbed_official | 354:e67efb2aab0e | 423 | * @retval None |
mbed_official | 354:e67efb2aab0e | 424 | */ |
mbed_official | 354:e67efb2aab0e | 425 | void HAL_GPIO_WritePin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, GPIO_PinState PinState) |
mbed_official | 354:e67efb2aab0e | 426 | { |
mbed_official | 354:e67efb2aab0e | 427 | /* Check the parameters */ |
mbed_official | 354:e67efb2aab0e | 428 | assert_param(IS_GPIO_PIN(GPIO_Pin)); |
mbed_official | 354:e67efb2aab0e | 429 | assert_param(IS_GPIO_PIN_ACTION(PinState)); |
mbed_official | 354:e67efb2aab0e | 430 | |
mbed_official | 354:e67efb2aab0e | 431 | if(PinState != GPIO_PIN_RESET) |
mbed_official | 354:e67efb2aab0e | 432 | { |
mbed_official | 354:e67efb2aab0e | 433 | GPIOx->BSRR = GPIO_Pin; |
mbed_official | 354:e67efb2aab0e | 434 | } |
mbed_official | 354:e67efb2aab0e | 435 | else |
mbed_official | 354:e67efb2aab0e | 436 | { |
mbed_official | 354:e67efb2aab0e | 437 | GPIOx->BSRR = (uint32_t)GPIO_Pin << 16; |
mbed_official | 354:e67efb2aab0e | 438 | } |
mbed_official | 354:e67efb2aab0e | 439 | } |
mbed_official | 354:e67efb2aab0e | 440 | |
mbed_official | 354:e67efb2aab0e | 441 | /** |
mbed_official | 354:e67efb2aab0e | 442 | * @brief Toggles the specified GPIO pin |
mbed_official | 354:e67efb2aab0e | 443 | * @param GPIOx: where x can be (A..Gdepending on device used) to select the GPIO peripheral for STM32L1XX family devices |
mbed_official | 354:e67efb2aab0e | 444 | * @param GPIO_Pin: Specifies the pins to be toggled. |
mbed_official | 354:e67efb2aab0e | 445 | * @retval None |
mbed_official | 354:e67efb2aab0e | 446 | */ |
mbed_official | 354:e67efb2aab0e | 447 | void HAL_GPIO_TogglePin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin) |
mbed_official | 354:e67efb2aab0e | 448 | { |
mbed_official | 354:e67efb2aab0e | 449 | /* Check the parameters */ |
mbed_official | 354:e67efb2aab0e | 450 | assert_param(IS_GPIO_PIN(GPIO_Pin)); |
mbed_official | 354:e67efb2aab0e | 451 | |
mbed_official | 354:e67efb2aab0e | 452 | GPIOx->ODR ^= GPIO_Pin; |
mbed_official | 354:e67efb2aab0e | 453 | } |
mbed_official | 354:e67efb2aab0e | 454 | |
mbed_official | 354:e67efb2aab0e | 455 | /** |
mbed_official | 354:e67efb2aab0e | 456 | * @brief Locks GPIO Pins configuration registers. |
mbed_official | 354:e67efb2aab0e | 457 | * @note The locked registers are GPIOx_MODER, GPIOx_OTYPER, GPIOx_OSPEEDR, |
mbed_official | 354:e67efb2aab0e | 458 | * GPIOx_PUPDR, GPIOx_AFRL and GPIOx_AFRH. |
mbed_official | 354:e67efb2aab0e | 459 | * @note The configuration of the locked GPIO pins can no longer be modified |
mbed_official | 354:e67efb2aab0e | 460 | * until the next reset. |
mbed_official | 354:e67efb2aab0e | 461 | * @param GPIOx: where x can be (A..G depending on device used) to select the GPIO peripheral for STM32L1XX family devices |
mbed_official | 354:e67efb2aab0e | 462 | * @param GPIO_Pin: specifies the port bit to be locked. |
mbed_official | 354:e67efb2aab0e | 463 | * This parameter can be any combination of GPIO_Pin_x where x can be (0..15). |
mbed_official | 354:e67efb2aab0e | 464 | * @retval None |
mbed_official | 354:e67efb2aab0e | 465 | */ |
mbed_official | 354:e67efb2aab0e | 466 | HAL_StatusTypeDef HAL_GPIO_LockPin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin) |
mbed_official | 354:e67efb2aab0e | 467 | { |
mbed_official | 354:e67efb2aab0e | 468 | __IO uint32_t tmp = GPIO_LCKR_LCKK; |
mbed_official | 354:e67efb2aab0e | 469 | |
mbed_official | 354:e67efb2aab0e | 470 | /* Check the parameters */ |
mbed_official | 354:e67efb2aab0e | 471 | assert_param(IS_GPIO_LOCK_INSTANCE(GPIOx)); |
mbed_official | 354:e67efb2aab0e | 472 | assert_param(IS_GPIO_PIN(GPIO_Pin)); |
mbed_official | 354:e67efb2aab0e | 473 | |
mbed_official | 354:e67efb2aab0e | 474 | /* Apply lock key write sequence */ |
mbed_official | 354:e67efb2aab0e | 475 | SET_BIT(tmp, GPIO_Pin); |
mbed_official | 354:e67efb2aab0e | 476 | /* Set LCKx bit(s): LCKK='1' + LCK[15-0] */ |
mbed_official | 354:e67efb2aab0e | 477 | GPIOx->LCKR = tmp; |
mbed_official | 354:e67efb2aab0e | 478 | /* Reset LCKx bit(s): LCKK='0' + LCK[15-0] */ |
mbed_official | 354:e67efb2aab0e | 479 | GPIOx->LCKR = GPIO_Pin; |
mbed_official | 354:e67efb2aab0e | 480 | /* Set LCKx bit(s): LCKK='1' + LCK[15-0] */ |
mbed_official | 354:e67efb2aab0e | 481 | GPIOx->LCKR = tmp; |
mbed_official | 354:e67efb2aab0e | 482 | /* Read LCKK bit*/ |
mbed_official | 354:e67efb2aab0e | 483 | tmp = GPIOx->LCKR; |
mbed_official | 354:e67efb2aab0e | 484 | |
mbed_official | 354:e67efb2aab0e | 485 | if((uint32_t)(GPIOx->LCKR & GPIO_LCKR_LCKK)) |
mbed_official | 354:e67efb2aab0e | 486 | { |
mbed_official | 354:e67efb2aab0e | 487 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 488 | } |
mbed_official | 354:e67efb2aab0e | 489 | else |
mbed_official | 354:e67efb2aab0e | 490 | { |
mbed_official | 354:e67efb2aab0e | 491 | return HAL_ERROR; |
mbed_official | 354:e67efb2aab0e | 492 | } |
mbed_official | 354:e67efb2aab0e | 493 | } |
mbed_official | 354:e67efb2aab0e | 494 | |
mbed_official | 354:e67efb2aab0e | 495 | /** |
mbed_official | 354:e67efb2aab0e | 496 | * @brief This function handles EXTI interrupt request. |
mbed_official | 354:e67efb2aab0e | 497 | * @param GPIO_Pin: Specifies the pins connected EXTI line |
mbed_official | 354:e67efb2aab0e | 498 | * @retval None |
mbed_official | 354:e67efb2aab0e | 499 | */ |
mbed_official | 354:e67efb2aab0e | 500 | void HAL_GPIO_EXTI_IRQHandler(uint16_t GPIO_Pin) |
mbed_official | 354:e67efb2aab0e | 501 | { |
mbed_official | 354:e67efb2aab0e | 502 | /* EXTI line interrupt detected */ |
mbed_official | 354:e67efb2aab0e | 503 | if(__HAL_GPIO_EXTI_GET_IT(GPIO_Pin) != RESET) |
mbed_official | 354:e67efb2aab0e | 504 | { |
mbed_official | 354:e67efb2aab0e | 505 | __HAL_GPIO_EXTI_CLEAR_IT(GPIO_Pin); |
mbed_official | 354:e67efb2aab0e | 506 | HAL_GPIO_EXTI_Callback(GPIO_Pin); |
mbed_official | 354:e67efb2aab0e | 507 | } |
mbed_official | 354:e67efb2aab0e | 508 | } |
mbed_official | 354:e67efb2aab0e | 509 | |
mbed_official | 354:e67efb2aab0e | 510 | /** |
mbed_official | 354:e67efb2aab0e | 511 | * @brief EXTI line detection callback |
mbed_official | 354:e67efb2aab0e | 512 | * @param GPIO_Pin: Specifies the pins connected EXTI line |
mbed_official | 354:e67efb2aab0e | 513 | * @retval None |
mbed_official | 354:e67efb2aab0e | 514 | */ |
mbed_official | 354:e67efb2aab0e | 515 | __weak void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin) |
mbed_official | 354:e67efb2aab0e | 516 | { |
mbed_official | 354:e67efb2aab0e | 517 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 354:e67efb2aab0e | 518 | the HAL_GPIO_EXTI_Callback could be implemented in the user file |
mbed_official | 354:e67efb2aab0e | 519 | */ |
mbed_official | 354:e67efb2aab0e | 520 | } |
mbed_official | 354:e67efb2aab0e | 521 | |
mbed_official | 354:e67efb2aab0e | 522 | /** |
mbed_official | 354:e67efb2aab0e | 523 | * @} |
mbed_official | 354:e67efb2aab0e | 524 | */ |
mbed_official | 354:e67efb2aab0e | 525 | |
mbed_official | 354:e67efb2aab0e | 526 | |
mbed_official | 354:e67efb2aab0e | 527 | /** |
mbed_official | 354:e67efb2aab0e | 528 | * @} |
mbed_official | 354:e67efb2aab0e | 529 | */ |
mbed_official | 354:e67efb2aab0e | 530 | |
mbed_official | 354:e67efb2aab0e | 531 | #endif /* HAL_GPIO_MODULE_ENABLED */ |
mbed_official | 354:e67efb2aab0e | 532 | /** |
mbed_official | 354:e67efb2aab0e | 533 | * @} |
mbed_official | 354:e67efb2aab0e | 534 | */ |
mbed_official | 354:e67efb2aab0e | 535 | |
mbed_official | 354:e67efb2aab0e | 536 | /** |
mbed_official | 354:e67efb2aab0e | 537 | * @} |
mbed_official | 354:e67efb2aab0e | 538 | */ |
mbed_official | 354:e67efb2aab0e | 539 | |
mbed_official | 354:e67efb2aab0e | 540 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |