hpw421初始版本

2026-06-06 16:49:48 +08:00
commit 2339bbfd1f
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+#include "switch_s.h"
+#include "xc_drv_gpio.h"
+#include "xc60xx.h"
+#include "RF433.h"  
+#include "pwm.h"
+// ==================== GPIO1 检测 ====================
+uint8_t trig1_cnt = 0;             // 连续触发次数
+uint16_t trig1_timeout = 0;        // 300ms 倒计时
+uint8_t trig1_wait = 0;            // 0=空闲 1=连续出触发
+
+// ==================== GPIO19 检测 ====================
+uint8_t trig2_cnt = 0;						 // 连续触发次数
+uint16_t trig2_timeout = 0;				 // 300ms 倒计时
+uint8_t trig2_wait = 0;						 // 0=空闲 1=连续出触发 
+
+uint8_t rf433_sw_flag=0;			//进入对码标志
+
+static volatile debounce_state_t s1_state = DB_IDLE;
+static volatile debounce_state_t s2_state = DB_IDLE;
+static volatile uint16_t s1_debounce_cnt = 0;
+static volatile uint16_t s2_debounce_cnt = 0;
+
+
+
+#define DEBOUNCE_MS    2  		//消抖时间40ms
+
+//uint16_t switch1_debounce = 0;		
+//uint16_t switch2_debounce = 0;
+
+uint8_t switch1_RELEASE_flag=0;
+uint8_t switch2_RELEASE_flag=0;
+
+uint8_t s1_first_press_flag = 0; 	//S2首次按下标志
+uint8_t s2_first_press_flag = 0; 	//S2首次按下标志
+
+
+
+void switch_init(void)
+{
+
+		GPIO_InitCfg_t GPIO_InitCfg = { 0 };  // 清零初始化配置结构体
+		GPIO_InitCfg.Mux    = GPIO_Mux0;      // 选择功能复用器0
+		GPIO_InitCfg.FunSel = GPIO_Dx;        // 选择GPIO功能（非特殊功能）
+		GPIO_InitCfg.Pull   = GPIO_PULLUP;    //上拉电阻使能
+		
+		
+		GPIO_InitCfg.Dir = GPIO_DIR_INPUT;    // 输出方向
+		GPIO_InitCfg.Int = FAIL_EDGE_INT;     //使能中断
+		GPIO_InitCfg.Pin = SWITCH_S1_PIN;     // 设置S1引脚
+		xc_gpio_init(&GPIO_InitCfg);          // 初始化GPIO
+		
+		xc_gpio_it_config(GPIO_1,FAIL_EDGE_INT);
+		NVIC_EnableIRQ(GPIO_IRQn);
+}
+
+
+void trigger_check_process(void)
+{
+  
+	
+	
+	 switch(s1_state)
+	 {
+		 case DB_IDLE:		//空闲状态
+			 break;
+		 
+		 case DB_PRESS_DEBOUNCE:		//按下防抖
+			 if(s1_debounce_cnt>0) s1_debounce_cnt--;
+				if(s1_debounce_cnt==0)
+				{
+					//防抖时间到，采样当前电平是否是低电平
+					if(xc_gpio_read_pin(SWITCH_S1_PIN)==0)
+					{
+									s1_state = DB_PRESSED; 	//进入按下状态，不响应中断
+									if(trig1_wait == 0)
+									{
+											 trig1_cnt = 1;
+											 trig1_timeout = TRIGGER_TIMEOUT_MS;
+											 trig1_wait = 1;
+									}
+									else
+									{
+										if(trig1_timeout>0)
+										{
+												trig1_cnt++;	
+										}
+												
+										trig1_timeout = TRIGGER_TIMEOUT_MS; 										
+//									
+									}
+						}
+					 else
+              {
+									// 杂波导致误触，回到空闲
+									s1_state = DB_IDLE;
+              }
+				}
+				break;
+				
+				
+				 case DB_PRESSED:					//确认按下
+					 
+	
+				 
+            // 等待引脚回高电平
+            if(xc_gpio_read_pin(SWITCH_S1_PIN) == 1)
+            {
+                s1_state = DB_RELEASE_DEBOUNCE;
+                s1_debounce_cnt = DEBOUNCE_MS; // 释放30ms防抖
+            }
+            break;
+
+        case DB_RELEASE_DEBOUNCE:			//释放防抖
+            if(s1_debounce_cnt > 0) s1_debounce_cnt--;
+            if(s1_debounce_cnt == 0)
+            {
+                if(xc_gpio_read_pin(SWITCH_S1_PIN) == 1) // 确认释放
+                {
+                    s1_state = DB_IDLE; // 回到空闲
+									 trig1_timeout = TRIGGER_TIMEOUT_MS;
+									
+										switch1_RELEASE_flag=1;
+									if(s1_first_press_flag==1)
+									{
+										s1_first_press_flag=2;	
+										
+									}
+										
+                }
+                else
+                {
+                    // 再等20ms
+                    s1_debounce_cnt = DEBOUNCE_MS; // 30ms
+                }
+            }
+            break;
+	 }
+	
+
+	 
+	
+  
+	 
+	 
+	
+	  // S1 超时处理
+    if(trig1_timeout > 0)
+    {
+        trig1_timeout--;
+		}
+		else if(trig1_timeout==0 && switch1_RELEASE_flag==1 )
+		{
+			switch1_RELEASE_flag=2;
+		}
+	
+	
+		// 600ms倒计时结束，且有计数
+		if(trig1_timeout == 0 && trig1_cnt == 1 && trig1_wait == 1 && s1_state == DB_PRESSED)		//确定按下1次
+		{         
+				//printf("按下一次 trig1_cnt   %d\r\n",trig1_cnt);
+				trig1_cnt = 0;
+				trig1_wait = 0;
+				s1_first_press_flag=1;
+				xc_gpio_write_pin(GPIO_5,GPIO_PIN_SET);	
+		
+		}
+	
+		else if(trig1_timeout == 0 && (trig1_cnt > 1 && trig1_cnt < 5))
+		{
+			//	printf("乱按 trig1_cnt   %d\r\n",trig1_cnt);
+			trig1_cnt = 0;
+			trig1_wait = 0;				
+		
+	
+			
+		}
+		else if(trig1_timeout == 0 && trig1_cnt >= TRIGGER_CONTINUE_CNT)
+		{
+			//printf("对码 trig1_cnt   %d\r\n",trig1_cnt);
+				if( s1_state == DB_IDLE)
+				{
+					rf433_sw_flag = 1;
+					trig1_cnt = 0;
+					trig1_wait = 0;	
+				}
+				else
+				{
+					trig1_cnt = 0;
+					trig1_wait = 0;	
+				}	
+		}
+	
+			else if(trig1_timeout == 0 && switch1_RELEASE_flag==2 && s1_state == DB_IDLE && s1_first_press_flag==2 )
+		{			
+//	printf("低电平 trig2_cnt   %d\r\n",trig2_cnt);
+			s1_state = DB_IDLE;
+			switch1_RELEASE_flag=0;
+			s1_first_press_flag=0;			
+			xc_gpio_write_pin(GPIO_5,GPIO_PIN_RESET);
+			
+			
+		}
+		
+		
+			
+		
+	 
+	 
+	 
+		
+		
+}
+
+
+void gpio_intr_callback(uint64_t intr_sta)
+{
+	if((intr_sta & ((uint64_t)1 << SWITCH_S1_PIN)) != 0) 	//如果是GPIO_1的中断 
+	{
+			 if(s1_state == DB_IDLE) // 只有空闲才响应
+        {
+            s1_state = DB_PRESS_DEBOUNCE;
+            s1_debounce_cnt = DEBOUNCE_MS; // 40ms防抖
+        }
+	}
+	
+	
+		
+}
+
+
+