--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cs/layer1/gtt_include/l1gtt_msgty.h	Fri May 15 01:28:16 2020 +0000
@@ -0,0 +1,27 @@
+/************* Revision Controle System Header *************
+ *                  GSM Layer 1 software 
+ * L1GTT_MSGTY.H
+ *
+ *        Filename l1gtt_msgty.h
+ *  Copyright 2003 (C) Texas Instruments  
+ *
+ ************* Revision Controle System Header *************/
+
+#if (L1_GTT == 1)
+
+typedef struct
+{
+  UWORD8 loop_type;  // Type of loop to be closed
+}
+T_TST_CLOSE_GTT_LOOP_REQ;
+
+typedef struct
+{
+  UWORD8  scen_type;  // 1 = input on CTM Tx, 2 = input on Baudot encoder
+                      // SIMULATION ONLY: 3 = input on CTM Rx, 4 = input on Baudot decoder
+  UWORD16 rate;       // Number of frames (4.615 ms) between each new character arrival
+                      // for scen_type 3 and 4: GTT input file number
+}
+T_TST_START_GTT_TEST_REQ;
+
+#endif // L1_GTT