add reset back

Author: cecille

examples/valve/silabs/include/AppTask.h

@@ -68,6 +68,7 @@ class AppTask : public BaseApplication
     static void AppTaskMain(void * pvParameter);
 
     CHIP_ERROR StartAppTask();
+    static void ButtonEventHandler(uint8_t button, uint8_t btnAction);
 
 private:
     static AppTask sAppTask;

examples/valve/silabs/src/AppTask.cpp

@@ -199,6 +199,7 @@ void AppTask::AppTaskMain(void * pvParameter)
     AppEvent event;
 
     osMessageQueueId_t sAppEventQueue = *(static_cast<osMessageQueueId_t *>(pvParameter));
+    chip::DeviceLayer::Silabs::GetPlatform().SetButtonsCb(ButtonEventHandler);
 
     CHIP_ERROR err = sAppTask.Init();
     if (err != CHIP_NO_ERROR)
@@ -223,3 +224,12 @@ void AppTask::AppTaskMain(void * pvParameter)
         }
     }
 }
+
+void AppTask::ButtonEventHandler(uint8_t button, uint8_t btnAction)
+{
+    AppEvent button_event           = {};
+    button_event.Type               = AppEvent::kEventType_Button;
+    button_event.ButtonEvent.Action = btnAction;
+    button_event.Handler            = BaseApplication::ButtonHandler;
+    sAppTask.PostEvent(&button_event);
+}