diff --git a/can/lap.h b/can/lap.h
index dbc68b4..285e624 100644
--- a/can/lap.h
+++ b/can/lap.h
@@ -13,28 +13,28 @@
  * Types
  */
 
-// "inherits" from can_message 
+// "inherits" from can_message
 typedef struct {
 	can_addr addr_src;
 	can_addr addr_dst;
 	can_port port_src;
 	can_port port_dst;
 	unsigned char dlc;
-	unsigned char cmd; 
+	unsigned char cmd;
 	uint16_t index;
 	uint16_t size;
 	uint16_t address;
 } sdo_message;
 
-// "inherits" from can_message 
+// "inherits" from can_message
 typedef struct{
 	can_addr addr_src;
 	can_addr addr_dst;
 	can_port port_src;
 	can_port port_dst;
 	unsigned char dlc;
-	unsigned char cmd; 
-	unsigned char data[7];	
+	unsigned char cmd;
+	unsigned char data[7];
 } pdo_message;
 
 /****************************************************************************
@@ -44,13 +44,13 @@ typedef struct{
 typedef enum { PORT_MGT=0x30, PORT_LAMPE=0x20, PORT_SDO=0x15, PORT_SDO_DATA=0x16, PORT_LAPD=0x18,
 		PORT_BORG=0x23, PORT_MOOD=0x17, PORT_REMOTE=0x21, PORT_GATE=0x22, PORT_CHUCK=0x26 }  ports;
 
-typedef enum { FKT_MGT_PING=0x00, FKT_MGT_PONG=0x01, 
+typedef enum { FKT_MGT_PING=0x00, FKT_MGT_PONG=0x01,
 		FKT_MGT_RESET=0x02, FKT_MGT_AWAKE=0x03, FKT_MGT_TIMEREQUEST=0x04, FKT_MGT_TIMEREPLY=0x05 }	lap_mgt_fkts;
-		
-typedef enum { FKT_LAMPE_SET=0x00, FKT_LAMPE_SETMASK=0x01, 
+
+typedef enum { FKT_LAMPE_SET=0x00, FKT_LAMPE_SETMASK=0x01,
 		FKT_LAMPE_SETDELAY=0x02, FKT_LAMPE_ADD=0x03 }			lap_lampe_fkts;
 
-typedef enum { FKT_BORG_INFO=0x00, FKT_BORG_MODE=0x01, FKT_BORG_SCROLLTEXT_RESET=0x02, 
+typedef enum { FKT_BORG_INFO=0x00, FKT_BORG_MODE=0x01, FKT_BORG_SCROLLTEXT_RESET=0x02,
 		FKT_BORG_SCROLLTEXT_APPEND=0x03 } lap_borg_fkts;
 
 typedef enum { FKT_ONOFF_INFO=0, FKT_ONOFF_SET=1, FKT_ONOFF_GET=2,
@@ -80,7 +80,7 @@ typedef enum { FKT_MOOD_INFO=0x00, FKT_MOOD_GET=0x01, FKT_MOOD_SET=0x02, FKT_MOO
 
 
 /****************************************************************************
- * STUBS: LAP Core Services 
+ * STUBS: LAP Core Services
  */
 
 // send ping to dst
@@ -89,10 +89,15 @@ void lap_ping( can_addr dst );
 // send reset request to dst
 void lap_reset( can_addr dst );
 
+#ifdef LAP_TIME_EXTENSION
+//variables to save the last received hours and  minutes
+extern uint8_t lap_time_h, lap_time_m, lap_time_update;
+#endif
+
 /**
  * ServiceDataObject routinen
  *
-unsigned char *sdo_readbuf(sdo_message *first_message, 
+unsigned char *sdo_readbuf(sdo_message *first_message,
 		unsigned char length, unsigned char *actuallength);
 
 unsigned char sdo_sendbuf(sdo_message *fst_msg, unsigned char *buf, unsigned char len);
@@ -113,7 +118,7 @@ while(1) {
 		char *buf = lap_read(msg, length);
 		if ( !buf ) continue;
 
-		// interpret buffer 
+		// interpret buffer
 }
 */