import

2026-05-19 11:49:22 +08:00
commit add7af4222
96 changed files with 8635 additions and 0 deletions
@@ -0,0 +1,106 @@
+#include <debounce.h>
+
+void Debounce_Init(Debounce_t* self){
+    self->state = kButtonState_IDLE;
+    self->debounce_cnt = 0;
+    self->long_press_cnt = 0;
+    self->double_click_cnt = 0;
+    self->is_pressed = 0;
+    self->last_pressed = 0;
+}
+
+
+ButtonEvent_t Debounce_Handle(Debounce_t* self, uint8_t cur_state){
+    ButtonEvent_t event = kButtonEvent_NONE;
+    self->is_pressed = cur_state;
+    switch (self->state) {
+        case kButtonState_IDLE:{
+            if(cur_state == 1){
+                self->state = kButtonState_DEBOUNCE;
+                self->debounce_cnt = 0;
+            }
+            break;
+        }
+        case kButtonState_DEBOUNCE:{
+            if(cur_state==1){
+                self->debounce_cnt++;
+                if(self->debounce_cnt >= DEBOUNCE_TICKS){
+                    self->state = kButtonState_PRESS;
+                    self->debounce_cnt = 0;
+                    event = kButtonEvent_PRESS; /* 触发下按事件 */
+                }
+            }else{
+                self->state = kButtonState_IDLE;
+            }
+            break;
+        }
+        case kButtonState_PRESS:{
+            if(cur_state==1){
+                self->long_press_cnt++;
+                if(self->long_press_cnt >= DEBOUNCE_LONG_TICKS){
+                    self->state = kButtonState_LONG_PRESS;
+                    event = kButtonEvent_LONG_PRESS;
+                }
+            }else{
+                // 第一击释放，进入释放消抖，防止触摸屏抖动误判
+                self->state = kButtonState_RELEASE_DEBOUNCE;
+                self->debounce_cnt = 0;
+                self->long_press_cnt = 0;
+            }
+            break;
+        }
+        case kButtonState_LONG_PRESS:{
+            if(cur_state==0){
+                self->state = kButtonState_IDLE;
+                self->long_press_cnt = 0;
+                event = kButtonEvent_RELEASE;
+            }
+            break;
+        }
+        case kButtonState_WAIT_DOUBLE:{
+            if(cur_state==1){ /* 在规定时间内再次按下，判定为双击 */
+                self->state = kButtonState_DOUBLE_DEBOUNCE; /* 去除第二次抖动 */
+                self->debounce_cnt = 0;
+            }else{
+                self->double_click_cnt++;
+                if(self->double_click_cnt>=DEBOUNCE_DOUBLE_TICKS){ // 超时未按下，判定为普通的独立单击
+                    self->state = kButtonState_LONG_PRESS;
+                    event = kButtonEvent_CLICK;
+                    self->double_click_cnt = 0;
+                }
+            }
+            break;
+        }
+        case kButtonState_DOUBLE_DEBOUNCE:{
+            if(cur_state==1){
+                self->debounce_cnt++;
+                if(self->debounce_cnt >= DEBOUNCE_TICKS){
+                    self->state = kButtonState_LONG_PRESS;  /* 等待释放 */
+                    self->debounce_cnt = 0;
+                    event = kButtonEvent_DOUBLE_CLICK;      /* 确认双击 */
+                }
+            }else{
+                self->state = kButtonState_IDLE;
+            }
+            break;
+        }
+        case kButtonState_RELEASE_DEBOUNCE:{
+            if(cur_state==0){
+                self->debounce_cnt++;
+                if(self->debounce_cnt >= DEBOUNCE_TICKS){
+                    // 确认释放，开始计时等待第二击
+                    self->state = kButtonState_WAIT_DOUBLE;
+                    self->double_click_cnt = 0;
+                }
+            }else{
+                self->state = kButtonState_PRESS; // 抖动,返回按下状态
+            }
+            break;
+        }
+        default: break;
+    }
+
+    self->last_pressed = cur_state;
+
+    return event;
+}