86 lines
2.3 KiB
C
86 lines
2.3 KiB
C
// 文件编码: GB18030
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/*
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* button.c
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*
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* Created on: 2025年4月19日
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* Author: LHYe200
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*/
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#include "button.h"
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gpio_pin_enum BUTTON_PIN[BUTTON_PIN_NUM] = BUTTON_PINS;
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uint8 button_state[BUTTON_PIN_NUM]; // 按键状态
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uint16 button_last_time[BUTTON_PIN_NUM]; // 持续按下时间
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void Button_Init(void)
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{
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for(int i = 0; i < BUTTON_PIN_NUM; i++)
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{
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gpio_init(BUTTON_PIN[i], GPI, GPIO_LOW, GPI_PULL_UP); // 按键引脚初始化为输入模式，默认拉高
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}
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memset(button_state, 0, sizeof(button_state)); // 清除按键状态
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memset(button_last_time, 0, sizeof(button_last_time)); // 清除上一次按键状态
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}
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void Button_Scan()
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{
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for(int i = 0; i < BUTTON_PIN_NUM; i++)
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{
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if(gpio_get_level(BUTTON_PIN[i]) == GPIO_LOW) // 按键按下
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{
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button_last_time[i] += BUTTON_SCAN_TIME; // 持续按下时间增加
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}
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else // 按键松开
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{
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if(button_last_time[i] >= BUTTON_SHORT_PRESS_TIME && button_last_time[i] < BUTTON_LONG_PRESS_TIME) // 短按
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{
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button_state[i] = BUTTON_SHORT_PRESS; // 设置为短按状态
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}
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else // 未按下
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{
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if(button_state[i] == BUTTON_LONG_PRESS || button_state[i] == BUTTON_LONG_PRESS_GOT) // 如果之前是长按状态
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{
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button_state[i] = BUTTON_RELEASE;
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}
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// button_state[i] = BUTTON_RELEASE; // 设置为未按下状态
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}
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button_last_time[i] = 0; // 持续按下时间清零
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}
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if(button_last_time[i] >= BUTTON_LONG_PRESS_TIME) // 长按
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{
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if(button_state[i] != BUTTON_LONG_PRESS_GOT) // 如果之前不是长按GOT状态
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{
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button_state[i] = BUTTON_LONG_PRESS; // 设置为长按状态
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}
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}
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}
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}
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uint8 Button_Get_State(uint8 button_num)
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{
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if(button_num >= BUTTON_PIN_NUM) // 按键编号越界
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{
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return -1; // 返回错误
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}
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uint8 tmp_sta = button_state[button_num];
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if(button_state[button_num] == BUTTON_LONG_PRESS)
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{
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button_state[button_num] = BUTTON_LONG_PRESS_GOT;
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}
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return tmp_sta; // 返回按键状态
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}
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void Button_Reset(uint8 button_num)
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{
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if(button_num >= BUTTON_PIN_NUM) // 按键编号越界
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{
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return ; // 返回错误
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}
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button_state[button_num] = BUTTON_RELEASE; // 重置按键状态为未按下
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}
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