auto_poweroff

hardware.py

@@ -4,7 +4,7 @@
 硬件管理器模块
 提供硬件对象的统一管理和访问
 """
-import threading
+from maix import time
 import config
 from at_client import ATClient
 
@@ -28,8 +28,13 @@ class HardwareManager:
         self._bus = None                 # I2C总线
         self._adc_obj = None             # ADC对象
         self._at_client = None            # AT客户端
-        
+
+        self._last_active_time = 0       # 用于记录用户的最后一次活跃的时间
+        self._stop_timer = False         # 用于停止定时器的标志
+
         self._initialized = True
+
+
     
     # ==================== 硬件访问（只读属性）====================
     
@@ -93,6 +98,34 @@ class HardwareManager:
         self._at_client.start()
         return self._at_client
 
+    def power_off(self):
+        """关闭电源板"""
+        try:
+            # 物理引脚是 A24，对应 GPIO 功能是 GPIOA24
+            # 注意：这里需要先在 config.PIN_MAPPINGS 中配置好 "A24": "GPIOA24"
+            from maix import gpio
+            # 输出高电平关闭
+            gpio.GPIO("GPIOA24", gpio.Mode.OUT).value(1)
+        except Exception as e:
+            print(f"关机失败: {e}")
+
+    def start_idle_timer(self):
+        self._stop_timer = False
+        self._last_active_time = time.time()
+
+    def stop_idle_timer(self):
+        self._stop_timer = True
+
+    def get_idle_time_in_sec(self):
+        if self._stop_timer:
+            return 0
+        diff = time.time() - self._last_active_time
+        if diff < 0:
+            # 时间可能被重置了，重新计时
+            self._last_active_time = time.time()
+            return 0
+        return diff
+
 
 # 创建全局单例实例
 hardware_manager = HardwareManager()