diff --git a/RIOT/examples/real_time_app/main.c b/RIOT/examples/real_time_app/main.c
index 45289ff..3f68a40 100644
--- a/RIOT/examples/real_time_app/main.c
+++ b/RIOT/examples/real_time_app/main.c
@@ -80,7 +80,7 @@
 
 #define PWM_FREQ 100
 #define PWM_RES 100
-#define DEADLINE 70000
+#define DEADLINE 24000
 
 // addr ipv6 link local node 1: fe80::3734:510e:3317:3402
 uint8_t node1[16]={0xfe,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x37,0x34,0x51,0x0e,0x33,0x17,0x34,0x02};
@@ -191,11 +191,17 @@ void *sock_server_thread(void *arg)
           puts("Error creating UDP sock");
           return NULL;
     }
+    if (sntp_sync(&server, SOCK_NO_TIMEOUT) < 0) {
+		puts("Error in synchronization");
+		return NULL;
+	      }
+	      offset = sntp_get_offset();
+	      printf("offset : %i\n",(int)offset);
     
     while (1) {
           sock_udp_ep_t remote;
           ssize_t res;
- 
+	  
           if ((res = sock_udp_recv(&sock, &buf, sizeof(buf), SOCK_NO_TIMEOUT,
                                    &remote)) >= 0) {
              // puts("Received a message");
@@ -203,11 +209,7 @@ void *sock_server_thread(void *arg)
               /*if (sock_udp_send(&sock, buf, res, &remote) < 0) {
                   puts("Error sending reply");
               }*/
-	      if (sntp_sync(&server, SOCK_NO_TIMEOUT) < 0) {
-		puts("Error in synchronization");
-		return NULL;
-	      }
-	      offset = sntp_get_offset();
+	      
     	      deadline = xtimer_now_usec() + offset - buf.heure_actuelle;
               printf("tps de transmission : %i\n",deadline);
 	      
@@ -233,6 +235,7 @@ void *sock_server_thread(void *arg)
 		//ordre = 1;
 		pwm_set(PWM_DEV(0),1,45);
 		tourne = 1;
+		timer_run=0;
 		timer_clear(TIMER_DEV(1),0);
 		printf("clear timer\n");
 	      }
@@ -352,9 +355,9 @@ static void _init_interface(void)
         tmp_addr.u8[15] = 0x62;
         //fibroute dest: dead:beef::3762 via fe80::3634:5110:3473:3762
         fib_add_entry(&gnrc_ipv6_fib_table, ifs[0],tmp_addr.u8, IN6ADDRSZ, 0,node2, IN6ADDRSZ, 0, FIB_LIFETIME_NO_EXPIRE);
-	client=thread_create(sock_client_stack,sizeof(sock_client_stack),8,THREAD_CREATE_WOUT_YIELD |THREAD_CREATE_STACKTEST,sock_client_thread,NULL,"sock_client_thread");
+	client=thread_create(sock_client_stack,sizeof(sock_client_stack),8,THREAD_CREATE_STACKTEST,sock_client_thread,NULL,"sock_client_thread");
         xtimer_usleep(10000);
-        time_server=thread_create(sock_time_server_stack,sizeof(sock_time_server_stack),8, THREAD_CREATE_WOUT_YIELD |THREAD_CREATE_STACKTEST,sock_time_server_thread,NULL,"sock_time_server_thread");
+        time_server=thread_create(sock_time_server_stack,sizeof(sock_time_server_stack),6,THREAD_CREATE_STACKTEST,sock_time_server_thread,NULL,"sock_time_server_thread");
         xtimer_usleep(200);
     }else if((addr.u8[14]==0x37)&&(addr.u8[15]==0x62)){
         tmp_addr.u8[14] = 0x37;
@@ -376,9 +379,11 @@ static void _init_interface(void)
         //fibroute dest: dead:beef::3762 via fe80::3634:5110:3473:3762
         fib_add_entry(&gnrc_ipv6_fib_table, ifs[0],tmp_addr.u8, IN6ADDRSZ, 0,node2, IN6ADDRSZ, 0, FIB_LIFETIME_NO_EXPIRE);
 	//start_server("1234");
-	server=thread_create(sock_server_stack,sizeof(sock_server_stack),6,THREAD_CREATE_WOUT_YIELD |THREAD_CREATE_STACKTEST,sock_server_thread,NULL,"sock_server_thread");
+	_init_timer();
 	_init_pwm();
-        _init_timer();
+	server=thread_create(sock_server_stack,sizeof(sock_server_stack),6,THREAD_CREATE_STACKTEST,sock_server_thread,NULL,"sock_server_thread");
+	
+        
     }else{
         puts("new node ?");
     }
--
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