--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cs/layer1/dl1/l1.h	Fri May 15 01:28:16 2020 +0000
@@ -0,0 +1,40 @@
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)              SOURCE : L1.H                 |
+| AUTHOR  : CONDAT GmbH (nn)           VERSION: 01.00-01             |
+| CREATED : 03.06.96                   STATE  : code                 |
++--------------------------------------------------------------------+
+
+   MODULE  : L1
+
+   PURPOSE : Definitions for the Protocol Stack Entity
+             Layer 1
+
+
+*/
+
+#ifndef L1_H
+#define L1_H
+
+/*==== CONSTANTS ==================================================*/
+#define DEBUG_PORT       (2)
+#define DUART_PORT       (DEBUG_PORT - 1)
+#define DEBUG_STACK_SIZE (1024)
+#define LOG_STACK_SIZE (1024)
+#define MONITOR_STACK_SIZE (1024)
+
+/*==== TYPES ======================================================*/
+/*==== EXPORT =====================================================*/
+void l1_create_ISR (void);
+void dl1_create_debug_task (void);
+
+void dt_assert(int _expr, char *s);
+void dt_error_message(char *s);
+void l1a_task(unsigned arcg, void *argv);
+unsigned get_arm_version (void);
+unsigned get_dsp_version (void);
+
+
+#endif
+
+