diff --git a/Makefile b/Makefile
index f0cfa71..9020163 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@
 CC	= gcc
 CCOPT	= -Wall -g 
 CLIB	= core/libdd2m-core.a viz/libdd2m-viz.a
-
+OBJS	= essai.o terminal.o
 all:	essai 
 
 # -------------------------------------------------------
@@ -15,8 +15,7 @@ OSERIAL	= serial/serial.o serial/funcs.o
 essai.o:	essai.c  Makefile 
 	$(CC) ${CCOPT} $< -c 
 
-
-essai:	essai.o  Makefile $(CLIB) ${OSERIAL}
+essai:	${OBJS} Makefile $(CLIB) ${OSERIAL}
 	$(CC) ${CCOPT} $< $(CLIB) ${OSERIAL} -lncurses -o $@
 
 fake-values:	fake-values.c  Makefile $(CLIB)
diff --git a/serial/Makefile b/serial/Makefile
index c8fb1c1..b9f7c5c 100644
--- a/serial/Makefile
+++ b/serial/Makefile
@@ -1,8 +1,8 @@
 # ---------------------------------------------------
 #  May be we have to put those objs in a .a ?
 
-OPT = -Wall -DDEBUG_LEVEL=0
-OBJS = serial.o funcs.o
+OPT = -Wall -DDEBUG_LEVEL=1
+OBJS = serial.o funcs.o 
 # ---------------------------------------------------
 
 serial.o:	serial.c serial.h Makefile
@@ -14,5 +14,6 @@ funcs.o:	funcs.c serial.h Makefile
 # ---------------------------------------------------
 
 t:	t.c  Makefile ${OBJS}
-	gcc ${OPT}  $< ${OBJS} -o $@
+	gcc ${OPT}  $< ${OBJS} -lncurses -o $@
 
+# ---------------------------------------------------
diff --git a/serial/serial.h b/serial/serial.h
index ba934c7..78e13ad 100644
--- a/serial/serial.h
+++ b/serial/serial.h
@@ -9,11 +9,15 @@ int prepare_UART(char *port, int bauds);
 int getbyte(int fd);				/* really brotched func */
 int putbyte(int fd, unsigned char byte);
 
+
+
 /* timeout is exprimed in milliseconds. */
 int getbyte_to (int fd, int to_ms);
 
 int getline_to(int fd, char *where, int szm, int to_ms);
 
+
+
 /* auxiliary and test functions */
 
 int parseXvalue(char *asciidatas, char id);
diff --git a/serial/t.c b/serial/t.c
index ade83a6..537837c 100644
--- a/serial/t.c
+++ b/serial/t.c
@@ -162,10 +162,10 @@ switch (param) {
 		retv = loop(serial_in, nbre);
 		break;
 	case 1:
-		retv = essai_terminal(serial_in, device, 0);
+		retv = -1;
 		break;
 	default:
-		retv = -1;
+		retv = -2;
 		break;
 	}