85 lines
1.9 KiB
C
85 lines
1.9 KiB
C
/* Includes ----------------------------------------------------------------- */
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#include "bsp\gpio.h"
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#include <gpio.h>
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#include <main.h>
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/* Private define ----------------------------------------------------------- */
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/* Private macro ------------------------------------------------------------ */
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/* Private typedef ---------------------------------------------------------- */
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/* Private variables -------------------------------------------------------- */
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static void (*GPIO_Callback[16])(void);
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/* Private function -------------------------------------------------------- */
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void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin) {
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for (uint8_t i = 0; i < 16; i++) {
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if (GPIO_Pin & (1 << i)) {
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if (GPIO_Callback[i]) {
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GPIO_Callback[i]();
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}
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}
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}
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}
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/* Exported functions ------------------------------------------------------- */
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/**
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* @brief 注册 GPIO 中断回调函数
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* @param pin
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* @param callback
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* @return
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*/
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int8_t BSP_GPIO_RegisterCallback(uint16_t pin, void (*callback)(void)) {
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if (callback == NULL) return BSP_ERR_NULL;
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for (uint8_t i = 0; i < 16; i++) {
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if (pin & (1 << i)) {
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GPIO_Callback[i] = callback;
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break;
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}
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}
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return BSP_OK;
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}
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int8_t BSP_GPIO_EnableIRQ(uint16_t pin) {
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switch (pin) {
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case key1_Pin:
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HAL_NVIC_EnableIRQ(key1_EXTI_IRQn);
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break;
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case key2_Pin:
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HAL_NVIC_EnableIRQ(key2_EXTI_IRQn);
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break;
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/*
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case XXX_Pin:
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HAL_NVIC_EnableIRQ(XXX_IRQn);
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break;
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*/
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default:
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return BSP_ERR;
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}
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return BSP_OK;
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}
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int8_t BSP_GPIO_DisableIRQ(uint16_t pin) {
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switch (pin) {
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case key1_Pin:
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HAL_NVIC_DisableIRQ(key1_EXTI_IRQn);
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break;
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case key2_Pin:
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HAL_NVIC_DisableIRQ(key2_EXTI_IRQn);
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break;
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/*
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case XXX_Pin:
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HAL_NVIC_EnableIRQ(XXX_IRQn);
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break;
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*/
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default:
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return BSP_ERR;
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}
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return BSP_OK;
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}
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