Initial commit

main/boards/common/board.h

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+#ifndef BOARD_H
+#define BOARD_H
+
+#include <http.h>
+#include <web_socket.h>
+#include <mqtt.h>
+#include <udp.h>
+#include <string>
+#include <functional>
+#include <network_interface.h>
+
+#include "led/led.h"
+#include "backlight.h"
+#include "camera.h"
+#include "assets.h"
+
+/**
+ * Network events for unified callback
+ */
+enum class NetworkEvent {
+    Scanning,              // Network is scanning (WiFi scanning, etc.)
+    Connecting,            // Network is connecting (data: SSID/network name)
+    Connected,             // Network connected successfully (data: SSID/network name)
+    Disconnected,          // Network disconnected
+    WifiConfigModeEnter,   // Entered WiFi configuration mode
+    WifiConfigModeExit,    // Exited WiFi configuration mode
+    // Cellular modem specific events
+    ModemDetecting,        // Detecting modem (baud rate, module type)
+    ModemErrorNoSim,       // No SIM card detected
+    ModemErrorRegDenied,   // Network registration denied
+    ModemErrorInitFailed,  // Modem initialization failed
+    ModemErrorTimeout      // Operation timeout
+};
+
+// Power save level enumeration
+enum class PowerSaveLevel {
+    LOW_POWER,    // Maximum power saving (lowest power consumption)
+    BALANCED,     // Medium power saving (balanced)
+    PERFORMANCE,  // No power saving (maximum power consumption / full performance)
+};
+
+// Network event callback type (event, data)
+// data contains additional info like SSID for Connecting/Connected events
+using NetworkEventCallback = std::function<void(NetworkEvent event, const std::string& data)>;
+
+void* create_board();
+class AudioCodec;
+class Display;
+class Board {
+private:
+    Board(const Board&) = delete; // 禁用拷贝构造函数
+    Board& operator=(const Board&) = delete; // 禁用赋值操作
+
+protected:
+    Board();
+    std::string GenerateUuid();
+
+    // 软件生成的设备唯一标识
+    std::string uuid_;
+
+public:
+    static Board& GetInstance() {
+        static Board* instance = static_cast<Board*>(create_board());
+        return *instance;
+    }
+
+    virtual ~Board() = default;
+    virtual std::string GetBoardType() = 0;
+    virtual std::string GetUuid() { return uuid_; }
+    virtual Backlight* GetBacklight() { return nullptr; }
+    virtual Led* GetLed();
+    virtual AudioCodec* GetAudioCodec() = 0;
+    virtual bool GetTemperature(float& esp32temp);
+    virtual Display* GetDisplay();
+    virtual Camera* GetCamera();
+    virtual NetworkInterface* GetNetwork() = 0;
+    virtual void StartNetwork() = 0;
+    virtual void SetNetworkEventCallback(NetworkEventCallback callback) { (void)callback; }
+    virtual const char* GetNetworkStateIcon() = 0;
+    virtual bool GetBatteryLevel(int &level, bool& charging, bool& discharging);
+    virtual std::string GetSystemInfoJson();
+    virtual void SetPowerSaveLevel(PowerSaveLevel level) = 0;
+    virtual std::string GetBoardJson() = 0;
+    virtual std::string GetDeviceStatusJson() = 0;
+};
+
+#define DECLARE_BOARD(BOARD_CLASS_NAME) \
+void* create_board() { \
+    return new BOARD_CLASS_NAME(); \
+}
+
+#endif // BOARD_H