echo "\t\twith ST-Link-V2 cabled to debug header"
echo "\t\twith coax from UHF to frequency counter"
echo
-echo -n "$PRODUCT_NAME-$VERSION serial number: "
-read SERIAL
+
+case $# in
+ 1)
+ SERIAL="$1"
+ echo "$PRODUCT-$VERSION serial number: $SERIAL"
+ ;;
+ 0)
+ echo -n "$PRODUCT-$VERSION serial number: "
+ read SERIAL
+ ;;
+ *)
+ echo "Usage: $0 <serial-number>" 1>&2
+ exit 1;
+ ;;
+esac
BINARIES=$HOME/altusmetrumllc/Binaries
echo 'E 0' > $dev
-./cal-freq-file $dev $SERIAL
+SERIAL=$SERIAL ./cal-freq $dev
case $? in
0)