diff --git a/page_web/index.html b/page_web/index.html
index ef3cad5..66c4e12 100644
--- a/page_web/index.html
+++ b/page_web/index.html
@@ -76,7 +76,6 @@ setTimeout('autoSend4();', 200);
 }
 function autoSend4(){
 websocket.send('4');
-//setTimeout('autoSend0();', 500);
 }
 setInterval(autoSend0, 1000);
 
diff --git a/serveur/serial.h b/serveur/serial.h
new file mode 100644
index 0000000..e7eac5b
--- /dev/null
+++ b/serveur/serial.h
@@ -0,0 +1,18 @@
+/*
+ * Public definitions for serial library
+ */
+
+////
+// Constants
+////
+
+#define SERIAL_READ 0
+#define SERIAL_WRITE 1
+#define SERIAL_BOTH 2
+
+////
+// Public prototypes
+////
+int serialOpen(char *device,int mode);
+void serialConfig(int fd,int speed);
+void serialClose(int fd);
diff --git a/serveur/websocket_server.c b/serveur/websocket_server.c
index 65f1649..11c389a 100644
--- a/serveur/websocket_server.c
+++ b/serveur/websocket_server.c
@@ -38,56 +38,53 @@ static int callback_my(
   struct libwebsocket *wsi,enum libwebsocket_callback_reasons reason,
   void *user,void *in,size_t len)
 {
-printf("boucle\n");
-static char *message=NULL;
+static char *mesage=NULL;
 static int msize=0;
 switch(reason)
 	{
-	printf("%s\n",reason);
   case LWS_CALLBACK_ESTABLISHED:
     printf("connection established\n");
-    message=NULL;
+    mesage=NULL;
                 
                 // Declenchement d'un prochain envoi au navigateur
     libwebsocket_callback_on_writable(this,wsi);
     break;
+  
   case LWS_CALLBACK_RECEIVE:
                 
-                // Ici sont traites les messages envoyes par le navigateur
-    printf("received data: %s\n",(char *)in);
-    message=malloc(len+LWS_SEND_BUFFER_PRE_PADDING+LWS_SEND_BUFFER_POST_PADDING);
-    if(message==NULL)
-    	{
+                // Ici sont traites les mesages envoyes par le navigateur
+    char* recei=(char *)in;
+    int rec = *recei - 48; //réception de l'instruction, convertie en entier
+    printf("received data: %d\n",rec);
+    mesage=malloc(len+LWS_SEND_BUFFER_PRE_PADDING+LWS_SEND_BUFFER_POST_PADDING);
+    if(mesage==NULL)
+    {
     	perror("callback_my.malloc"); 
     	exit(EXIT_FAILURE);
-    	}
-    	
-    	int a=0;
-    	char value[3];
-    	sprintf (value, "%d", serial_read(&a)) ;
-    	printf("value = %s\n",value);
-    	//char* value = "0";
-   // memcpy(message+LWS_SEND_BUFFER_PRE_PADDING,in,len);
-    memcpy(message+LWS_SEND_BUFFER_PRE_PADDING,value,1 + strlen(value));
+    }
+    char value[3];
+    sprintf (value, "%d", (10*serial_read(&rec))+rec); //réception de la valeur demandée, sous forme de str
+    printf("value = %s\n",value);
+    memcpy(mesage+LWS_SEND_BUFFER_PRE_PADDING,value,1 + strlen(value));
                 
                 // Declenchement d'un prochain envoi au navigateur
-    //msize=len;
     msize=strlen(value);
     libwebsocket_callback_on_writable(this,wsi);
     break;
+    
   case LWS_CALLBACK_SERVER_WRITEABLE:
-                
-                // Ici sont envoyes les messages au navigateur
-    if(message!=NULL){
-      char *out=message+LWS_SEND_BUFFER_PRE_PADDING;
+                // Ici sont envoyes les mesages au navigateur
+    if(mesage!=NULL)
+    {
+      char *out=mesage+LWS_SEND_BUFFER_PRE_PADDING;
       printf("%s\n",out);
       printf("%d\n",msize);
       libwebsocket_write(wsi,(unsigned char *)out,msize,LWS_WRITE_TEXT);
-      //libwebsocket_write(wsi,(unsigned char *)out,msize,LWS_WRITE_TEXT);
-      free(message);
-      message=NULL;
-      }
+      free(mesage);
+      mesage=NULL;
+    }
     break;
+    
   default:
     break;
   }
@@ -160,7 +157,7 @@ int n=0;
 int value=0;
 int sd=serialOpen(SERIAL_DEVICE,SERIAL_BOTH);
 serialConfig(sd,B9600);
-if(write(sd,&c,sizeof(char))!=1){ perror("main.write"); exit(-1); }
+if(write(sd,&c,sizeof(char))!=1){ perror("main.write"); exit(-1); } //Envoi de l'instruction
 
 //Read the number of decimals
 if(read(sd,&n,sizeof(char))!=1){ perror("main.read"); exit(-1); }
--
libgit2 0.21.2