xushaoxiang
256 lines
5.7 KiB
C
256 lines
5.7 KiB
C
#include "switch_s.h"
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#include "xc_drv_gpio.h"
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#include "xc60xx.h"
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#include "RF433.h"
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#include "pwm.h"
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// ==================== GPIO1 检测 ====================
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uint8_t trig1_cnt = 0; // 连续触发次数
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uint16_t trig1_timeout = 0; // 300ms 倒计时
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uint8_t trig1_wait = 0; // 0=空闲 1=连续出触发
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// ==================== GPIO19 检测 ====================
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uint8_t trig2_cnt = 0; // 连续触发次数
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uint16_t trig2_timeout = 0; // 300ms 倒计时
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uint8_t trig2_wait = 0; // 0=空闲 1=连续出触发
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uint8_t rf433_sw_flag=0; //进入对码标志
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static volatile debounce_state_t s1_state = DB_IDLE;
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static volatile debounce_state_t s2_state = DB_IDLE;
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static volatile uint16_t s1_debounce_cnt = 0;
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static volatile uint16_t s2_debounce_cnt = 0;
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#define DEBOUNCE_MS 2 //消抖时间40ms
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//uint16_t switch1_debounce = 0;
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//uint16_t switch2_debounce = 0;
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uint8_t switch1_RELEASE_flag=0;
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uint8_t switch2_RELEASE_flag=0;
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uint8_t s1_first_press_flag = 0; //S2首次按下标志
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uint8_t s2_first_press_flag = 0; //S2首次按下标志
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uint8_t S1_first_on_state=0; //上电时开关的状态
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void switch_init(void)
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{
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GPIO_InitCfg_t GPIO_InitCfg = { 0 }; // 清零初始化配置结构体
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GPIO_InitCfg.Mux = GPIO_Mux0; // 选择功能复用器0
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GPIO_InitCfg.FunSel = GPIO_Dx; // 选择GPIO功能（非特殊功能）
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GPIO_InitCfg.Pull = GPIO_PULLUP; //上拉电阻使能
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GPIO_InitCfg.Dir = GPIO_DIR_INPUT; // 输出方向
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GPIO_InitCfg.Int = FAIL_EDGE_INT; //使能中断
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GPIO_InitCfg.Pin = SWITCH_S1_PIN; // 设置S1引脚
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xc_gpio_init(&GPIO_InitCfg); // 初始化GPIO
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xc_gpio_it_config(GPIO_1,FAIL_EDGE_INT);
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NVIC_EnableIRQ(GPIO_IRQn);
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if(xc_gpio_read_pin(SWITCH_S1_PIN)==0)
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{
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S1_first_on_state=1;
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}
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else
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{
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S1_first_on_state=0;
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}
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}
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void trigger_check_process(void)
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{
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if(S1_first_on_state==1)
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{
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S1_first_on_state=0;
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s1_first_press_flag=1;
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s1_state=DB_PRESSED;
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}
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switch(s1_state)
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{
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case DB_IDLE: //空闲状态
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break;
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case DB_PRESS_DEBOUNCE: //按下防抖
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if(s1_debounce_cnt>0) s1_debounce_cnt--;
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if(s1_debounce_cnt==0)
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{
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//防抖时间到，采样当前电平是否是低电平
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if(xc_gpio_read_pin(SWITCH_S1_PIN)==0)
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{
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s1_state = DB_PRESSED; //进入按下状态，不响应中断
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if(trig1_wait == 0)
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{
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trig1_cnt = 1;
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trig1_timeout = TRIGGER_TIMEOUT_MS;
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trig1_wait = 1;
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}
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else
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{
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if(trig1_timeout>0)
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{
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trig1_cnt++;
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}
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trig1_timeout = TRIGGER_TIMEOUT_MS;
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//
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}
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}
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else
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{
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// 杂波导致误触，回到空闲
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s1_state = DB_IDLE;
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}
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}
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break;
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case DB_PRESSED: //确认按下
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// 等待引脚回高电平
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if(xc_gpio_read_pin(SWITCH_S1_PIN) == 1)
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{
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s1_state = DB_RELEASE_DEBOUNCE;
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s1_debounce_cnt = DEBOUNCE_MS; // 释放30ms防抖
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}
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break;
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case DB_RELEASE_DEBOUNCE: //释放防抖
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if(s1_debounce_cnt > 0) s1_debounce_cnt--;
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if(s1_debounce_cnt == 0)
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{
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if(xc_gpio_read_pin(SWITCH_S1_PIN) == 1) // 确认释放
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{
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s1_state = DB_IDLE; // 回到空闲
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trig1_timeout = TRIGGER_TIMEOUT_MS;
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switch1_RELEASE_flag=1;
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if(s1_first_press_flag==1)
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{
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s1_first_press_flag=2;
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}
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}
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else
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{
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// 再等20ms
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s1_debounce_cnt = DEBOUNCE_MS; // 30ms
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}
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}
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break;
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}
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// S1 超时处理
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if(trig1_timeout > 0)
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{
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trig1_timeout--;
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}
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else if(trig1_timeout==0 && switch1_RELEASE_flag==1 )
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{
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switch1_RELEASE_flag=2;
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}
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// 600ms倒计时结束，且有计数
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if(trig1_timeout == 0 && trig1_cnt == 1 && trig1_wait == 1 && s1_state == DB_PRESSED) //确定按下1次
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{
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//printf("按下一次 trig1_cnt %d\r\n",trig1_cnt);
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trig1_cnt = 0;
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trig1_wait = 0;
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s1_first_press_flag=1;
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xc_gpio_write_pin(GPIO_5,GPIO_PIN_SET);
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flash_ch1_state=xc_gpio_read_pin(GPIO_5);
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set_TaskComps_timer(6,1000);
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}
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else if(trig1_timeout == 0 && (trig1_cnt > 1 && trig1_cnt < TRIGGER_CONTINUE_CNT))
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{
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// printf("乱按 trig1_cnt %d\r\n",trig1_cnt);
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trig1_cnt = 0;
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trig1_wait = 0;
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}
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else if(trig1_timeout == 0 && trig1_cnt >= TRIGGER_CONTINUE_CNT)
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{
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//printf("对码 trig1_cnt %d\r\n",trig1_cnt);
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if( s1_state == DB_IDLE)
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{
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rf433_sw_flag = 1;
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trig1_cnt = 0;
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trig1_wait = 0;
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}
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else
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{
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trig1_cnt = 0;
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trig1_wait = 0;
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}
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}
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else if(trig1_timeout == 0 && switch1_RELEASE_flag==2 && s1_state == DB_IDLE && s1_first_press_flag==2 )
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{
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// printf("低电平 trig2_cnt %d\r\n",trig2_cnt);
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s1_state = DB_IDLE;
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switch1_RELEASE_flag=0;
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s1_first_press_flag=0;
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xc_gpio_write_pin(GPIO_5,GPIO_PIN_RESET);
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flash_ch1_state=xc_gpio_read_pin(GPIO_5);
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set_TaskComps_timer(6,1000);
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}
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}
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void gpio_intr_callback(uint64_t intr_sta)
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{
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if((intr_sta & ((uint64_t)1 << SWITCH_S1_PIN)) != 0) //如果是GPIO_1的中断
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{
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if(s1_state == DB_IDLE) // 只有空闲才响应
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{
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s1_state = DB_PRESS_DEBOUNCE;
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s1_debounce_cnt = DEBOUNCE_MS; // 40ms防抖
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}
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}
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}
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