feat: init

src/button_manager.cpp

@@ -0,0 +1,88 @@
+/**
+ * @file button_manager.cpp
+ * @brief 三按钮管理器实现 - 去抖 + 长按/短按
+ */
+
+#include "button_manager.h"
+
+// ============================================================
+// 构造
+// ============================================================
+
+ButtonManager::ButtonManager()
+    : _cbProvision(nullptr)
+    , _cbDismiss(nullptr)
+    , _cbPage(nullptr)
+{
+    _btnProvision = { BTN_PROVISION_PIN,     false, 0, false };
+    _btnDismiss   = { BTN_ALARM_DISMISS_PIN, false, 0, false };
+    _btnPage      = { BTN_PAGE_SWITCH_PIN,   false, 0, false };
+}
+
+// ============================================================
+// 初始化
+// ============================================================
+
+void ButtonManager::begin() {
+    pinMode(BTN_PROVISION_PIN,     INPUT_PULLUP);
+    pinMode(BTN_ALARM_DISMISS_PIN, INPUT_PULLUP);
+    pinMode(BTN_PAGE_SWITCH_PIN,   INPUT_PULLUP);
+
+    Serial.println(F("[按钮] ✅ 三按钮初始化完成"));
+    Serial.printf("  配网: GPIO%d | 解除报警: GPIO%d | 翻页: GPIO%d\n",
+                  BTN_PROVISION_PIN, BTN_ALARM_DISMISS_PIN, BTN_PAGE_SWITCH_PIN);
+}
+
+// ============================================================
+// 主循环轮询
+// ============================================================
+
+void ButtonManager::loop() {
+    // 按钮1: 配网 (仅长按)
+    _processButton(_btnProvision, false, true);
+
+    // 按钮2: 解除报警 (仅短按)
+    _processButton(_btnDismiss, true, false);
+
+    // 按钮3: 翻页 (仅短按)
+    _processButton(_btnPage, true, false);
+}
+
+// ============================================================
+// 单按钮状态机
+// ============================================================
+
+void ButtonManager::_processButton(ButtonState& btn, bool hasShort, bool hasLong) {
+    bool raw = _readPin(btn.pin);  // LOW = 按下
+
+    if (raw && !btn.pressed) {
+        // 按下沿
+        btn.pressed = true;
+        btn.pressTime = millis();
+        btn.longTriggered = false;
+    }
+    else if (!raw && btn.pressed) {
+        // 松开沿
+        btn.pressed = false;
+        uint32_t holdTime = millis() - btn.pressTime;
+
+        if (holdTime < BTN_DEBOUNCE_MS) {
+            return;  // 抖动脉冲，忽略
+        }
+
+        if (hasLong && holdTime >= BTN_LONG_PRESS_MS && !btn.longTriggered) {
+            // 长按触发
+            btn.longTriggered = true;
+            if (_cbProvision) _cbProvision();
+        }
+        else if (hasShort && holdTime >= BTN_DEBOUNCE_MS && holdTime < BTN_LONG_PRESS_MS) {
+            // 短按触发
+            if (btn.pin == BTN_ALARM_DISMISS_PIN && _cbDismiss) _cbDismiss();
+            if (btn.pin == BTN_PAGE_SWITCH_PIN   && _cbPage)    _cbPage();
+        }
+    }
+}
+
+bool ButtonManager::_readPin(uint8_t pin) {
+    return digitalRead(pin) == LOW;  // INPUT_PULLUP: LOW = 按下
+}