Splash screen and Play Dead functionality

firmware/common/message.hpp

@@ -42,6 +42,7 @@ public:
 		FSKConfiguration = 6,
 		FSKPacket = 7,
 		TestResults = 8,
+		TXDone = 9,
 		MAX
 	};
 
@@ -251,6 +252,14 @@ public:
 	FSKPacket packet;
 };
 
+class TXDoneMessage : public Message {
+public:
+	TXDoneMessage(
+	) : Message { ID::TXDone }
+	{
+	}
+};
+
 class MessageHandlerMap {
 public:
 	using MessageHandler = std::function<void(const Message* const p)>;