adjust board structure

main/boards/common/ml307_board.h

@@ -0,0 +1,26 @@
+#ifndef ML307_BOARD_H
+#define ML307_BOARD_H
+
+#include "board.h"
+#include <ml307_at_modem.h>
+
+class Ml307Board : public Board {
+protected:
+    Ml307AtModem modem_;
+
+    virtual std::string GetBoardJson() override;
+    void WaitForNetworkReady();
+
+public:
+    Ml307Board(gpio_num_t tx_pin, gpio_num_t rx_pin, size_t rx_buffer_size = 4096);
+    virtual void Initialize() override;
+    virtual void StartNetwork() override;
+    virtual Http* CreateHttp() override;
+    virtual WebSocket* CreateWebSocket() override;
+    virtual Mqtt* CreateMqtt() override;
+    virtual Udp* CreateUdp() override;
+    virtual bool GetNetworkState(std::string& network_name, int& signal_quality, std::string& signal_quality_text) override;
+    virtual void SetPowerSaveMode(bool enabled) override;
+};
+
+#endif // ML307_BOARD_H