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/**
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* @file drv_pin.c
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* @author your name (you@domain.com)
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* @brief
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* @version 0.1
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* @date 2023-04-05
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*
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* @copyright Copyright (c) 2023
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*
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*/
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#include <string.h>
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#include "ems_pin.h"
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#include "ems_assert.h"
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#include "ems_def.h"
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#include "ems_export.h"
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#include "stm32l4xx_hal.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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EMS_TAG("Driver_PIN")
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/* public typedef ----------------------------------------------------------- */
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typedef struct ems_pin_data
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{
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ems_pin_t *device;
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const char *name;
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GPIO_TypeDef *gpio_x;
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uint16_t pin;
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GPIO_PinState Init_level;
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} ems_pin_data_t;
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/* private function prototype ----------------------------------------------- */
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static void _init(ems_pin_t *const me);
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static void _set_mode(ems_pin_t *const me, uint8_t mode);
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static bool _get_status(ems_pin_t *const me);
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static void _set_status(ems_pin_t *const me, bool status);
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/* private variables -------------------------------------------------------- */
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static ems_pin_t ems_l_pin[14] = {0};
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static const ems_pin_ops_t pin_driver_ops =
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{
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.init = _init,
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.set_mode = _set_mode,
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.get_status = _get_status,
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.set_status = _set_status,
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};
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const static ems_pin_data_t ems_pin_driver_data[] =
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{
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{&ems_l_pin[0], "CAN_DET", GPIOC, GPIO_PIN_15, GPIO_PIN_RESET},
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{&ems_l_pin[1], "EXT_END", GPIOA, GPIO_PIN_0, GPIO_PIN_RESET},
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{&ems_l_pin[2], "RET_END", GPIOA, GPIO_PIN_1, GPIO_PIN_RESET},
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{&ems_l_pin[3], "SENSOR_EN", GPIOA, GPIO_PIN_4, GPIO_PIN_RESET},
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{&ems_l_pin[4], "ALARM", GPIOA, GPIO_PIN_5, GPIO_PIN_RESET},
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{&ems_l_pin[5], "INCSIMA", GPIOA, GPIO_PIN_6, GPIO_PIN_RESET},
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{&ems_l_pin[6], "INCSIMB", GPIOA, GPIO_PIN_7, GPIO_PIN_RESET},
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{&ems_l_pin[7], "POWER_MCU2", GPIOB, GPIO_PIN_2, GPIO_PIN_RESET},
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{&ems_l_pin[8], "EXT_IN", GPIOB, GPIO_PIN_10, GPIO_PIN_RESET},
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{&ems_l_pin[9], "RET_IN", GPIOB, GPIO_PIN_11, GPIO_PIN_RESET},
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{&ems_l_pin[10], "CAN_STB", GPIOB, GPIO_PIN_12, GPIO_PIN_RESET},
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{&ems_l_pin[11], "DRV_L_EN", GPIOB, GPIO_PIN_3, GPIO_PIN_RESET},
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{&ems_l_pin[12], "DIAG_M1", GPIOB, GPIO_PIN_4, GPIO_PIN_RESET},
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{&ems_l_pin[13], "DIAG_M2", GPIOB, GPIO_PIN_5, GPIO_PIN_RESET},
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};
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#define PIN_NUM (sizeof(ems_pin_driver_data) / sizeof(ems_pin_data_t))
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/* public functions --------------------------------------------------------- */
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static void ems_pin_dirver_init(void)
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{
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for (uint32_t i = 0; i < PIN_NUM; i++)
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{
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/* Enable the clock. */
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if (ems_pin_driver_data[i].gpio_x == GPIOA)
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{
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__HAL_RCC_GPIOA_CLK_ENABLE();
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}
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else if (ems_pin_driver_data[i].gpio_x == GPIOB)
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{
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__HAL_RCC_GPIOB_CLK_ENABLE();
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}
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else if (ems_pin_driver_data[i].gpio_x == GPIOC)
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{
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__HAL_RCC_GPIOC_CLK_ENABLE();
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}
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else
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{
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;
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}
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/* Device registering. */
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ems_pin_register(ems_pin_driver_data[i].device,
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ems_pin_driver_data[i].name,
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&pin_driver_ops,
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&ems_pin_driver_data[i]);
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}
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}
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INIT_IO_DRIVER_EXPORT(ems_pin_dirver_init);
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/* private functions -------------------------------------------------------- */
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/**
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* @brief The PIN driver initialization function.
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* @param me PIN device handle.
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* @retval None.
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*/
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static void _init(ems_pin_t *const me)
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{
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ems_pin_data_t *driver_data = (ems_pin_data_t *)me->super.attr.user_data;
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/* Configure GPIO pin. */
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Pin = driver_data->pin;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(driver_data->gpio_x, &GPIO_InitStruct);
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HAL_GPIO_WritePin(driver_data->gpio_x,
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driver_data->pin,
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GPIO_PIN_RESET);
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}
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/**
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* @brief The PIN driver set_mode function.
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* @param me PIN device handle.
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* @retval None.
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*/
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static void _set_mode(ems_pin_t *const me, uint8_t mode)
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{
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ems_assert(me != NULL);
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ems_assert(mode < PIN_MODE_MAX);
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ems_pin_data_t *driver_data = (ems_pin_data_t *)me->super.attr.user_data;
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/* Configure GPIO pin. */
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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if (mode == PIN_MODE_INPUT)
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{
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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}
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else if (mode == PIN_MODE_INPUT_PULLUP)
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{
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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}
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else if (mode == PIN_MODE_INPUT_PULLDOWN)
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{
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_PULLDOWN;
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}
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else if (mode == PIN_MODE_OUTPUT_PP)
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{
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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}
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else if (mode == PIN_MODE_OUTPUT_OD)
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{
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_OD;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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}
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GPIO_InitStruct.Pin = driver_data->pin;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(driver_data->gpio_x, &GPIO_InitStruct);
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}
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/**
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* @brief The PIN driver set_mode function.
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* @param me PIN device handle.
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* @retval GPIO status.
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*/
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static bool _get_status(ems_pin_t *const me)
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{
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ems_assert(me != NULL);
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ems_assert(mode < PIN_MODE_MAX);
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ems_pin_data_t *driver_data = (ems_pin_data_t *)me->super.attr.user_data;
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GPIO_PinState status = HAL_GPIO_ReadPin(driver_data->gpio_x, driver_data->pin);
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return (status == GPIO_PIN_SET) ? true : false;
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}
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/**
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* @brief The PIN driver set_status function.
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* @param me PIN device handle.
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* @param status GPIO status.
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* @retval None.
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*/
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static void _set_status(ems_pin_t *const me, bool status)
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{
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ems_assert(me != NULL);
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ems_assert(mode < PIN_MODE_MAX);
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ems_pin_data_t *driver_data = (ems_pin_data_t *)me->super.attr.user_data;
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HAL_GPIO_WritePin(driver_data->gpio_x,
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driver_data->pin,
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status ? GPIO_PIN_SET : GPIO_PIN_RESET);
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}
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#ifdef __cplusplus
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}
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#endif
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/* ----------------------------- end of file -------------------------------- */
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