reading 4 values from arduino

serial/essai.sh

@@ -1,10 +1,25 @@
 #!/bin/bash
 
 DEVICE="/dev/ttyACM0"
+DATAFILE="foo.dat"
+IMAGE="graphe.png"
+NB_READ=1000
+
+./t -n ${NB_READ} -d ${DEVICE} | tee -a ${DATAFILE}
+
+gnuplot << __EOC__
+set term png 	size 1024,512
+set output 	"${IMAGE}"
+set grid
+set xdata 	time
+set timefmt 	"%s"
+set format x 	"%H:%M:S"
+plot	"${DATAFILE}" using 1:2 title "foo" with lines,	\
+	"${DATAFILE}" using 1:3 title "bar" with lines,	\
+	"${DATAFILE}" using 1:4 title "quux" with lines, \
+	"${DATAFILE}" using 1:5 title "booz" with lines
+__EOC__
+
+# display ${IMAGE}
+
 
-for p in {0..15}
-do
-	echo pass $p
-	./t ${DEVICE} | tee -a foo.dat
-	sleep 8
-done