diff --git a/KeyBorad/KeyBorad/LOGIC/Lgc_State.h b/KeyBorad/KeyBorad/LOGIC/Lgc_State.h
new file mode 100644
index 0000000..4c0ab88
--- /dev/null
+++ b/KeyBorad/KeyBorad/LOGIC/Lgc_State.h
@@ -0,0 +1,19 @@
+#pragma once
+
+#include <QtCore/QtGlobal>
+
+enum class Lgc_TransportType : quint8
+{
+    None = 0,
+    Cdc,
+    Gatt,
+};
+
+struct Lgc_State
+{
+    bool IsConnected = false;
+    bool IsHandshakeDone = false;
+    Lgc_TransportType ActiveTransport = Lgc_TransportType::None;
+    quint32 ProtocolVersion = 0;
+    quint32 CapabilityFlags = 0;
+};