rename CreateAudioDevice to GetAudioDevice

main/boards/bread-compact-ml307/compact_ml307_board.cc

@@ -16,8 +16,9 @@ public:
         Ml307Board::Initialize();
     }
 
-    virtual AudioDevice* CreateAudioDevice() override {
-        return new AudioDevice();
+    virtual AudioDevice* GetAudioDevice() override {
+        static AudioDevice audio_device;
+        return &audio_device;
     }
 };
 

main/boards/bread-compact-wifi/compact_wifi_board.cc

@@ -16,8 +16,9 @@ public:
         WifiBoard::Initialize();
     }
 
-    virtual AudioDevice* CreateAudioDevice() override {
-        return new AudioDevice();
+    virtual AudioDevice* GetAudioDevice() override {
+        static AudioDevice audio_device;
+        return &audio_device;
     }
 };
 

main/boards/esp-box-3/esp_box3_board.cc

@@ -12,8 +12,9 @@ public:
         WifiBoard::Initialize();
     }
 
-    virtual AudioDevice* CreateAudioDevice() override {
-        return new BoxAudioDevice();
+    virtual AudioDevice* GetAudioDevice() override {
+        static BoxAudioDevice audio_device;
+        return &audio_device;
     }
 };
 

main/boards/kevin-box-0/kevin_box_board.cc

@@ -68,8 +68,9 @@ public:
         Ml307Board::Initialize();
     }
 
-    virtual AudioDevice* CreateAudioDevice() override {
-        return new BoxAudioDevice();
+    virtual AudioDevice* GetAudioDevice() override {
+        static BoxAudioDevice audio_device;
+        return &audio_device;
     }
 
     virtual bool GetBatteryVoltage(int &voltage, bool& charging) override {

main/boards/kevin-box-1/kevin_box_board.cc

@@ -79,8 +79,9 @@ public:
         Ml307Board::Initialize();
     }
 
-    virtual AudioDevice* CreateAudioDevice() override {
-        return new BoxAudioDevice();
+    virtual AudioDevice* GetAudioDevice() override {
+        static BoxAudioDevice audio_device;
+        return &audio_device;
     }
 
     virtual bool GetBatteryVoltage(int &voltage, bool& charging) override {

main/boards/lichuang-dev/lichuang_dev_board.cc

@@ -12,8 +12,9 @@ public:
         WifiBoard::Initialize();
     }
 
-    virtual AudioDevice* CreateAudioDevice() override {
-        return new BoxAudioDevice();
+    virtual AudioDevice* GetAudioDevice() override {
+        static BoxAudioDevice audio_device;
+        return &audio_device;
     }
 };