+case $# in
+ 1)
+ SERIAL="$1"
+ echo "$PRODUCT-$VERSION serial number: $SERIAL"
+ ;;
+ 0)
+ echo -n "$PRODUCT-$VERSION serial number: "
+ read SERIAL
+ ;;
+ *)
+ echo "Usage: $0 <serial-number>" 1>&2
+ exit 1;
+ ;;
+esac
+
+FLASH_FILE=$REPO/loaders/telebt-v$VERSION-altos-flash-*.bin
+ALTOS_FILE=$REPO/telebt-v$VERSION-*.elf
+
+$DFU_UTIL -a 0 -s 0x08000000:leave -D $FLASH_FILE
+
+sleep 2
+
+$USBLOAD --serial=$SERIAL $ALTOS_FILE || exit 1
+
+sleep 3
+
+dev=`ao-list | awk '/'"$PRODUCT"'-v'"$VERSION"'/ { print $3; exit(0); }'`
+
+case "$dev" in
+/dev/tty*)
+ echo "$PRODUCT found on $dev"
+ ;;
+*)
+ echo 'No '"$PRODUCT"'-v'"$VERSION"' found'
+ exit 1
+ ;;
+esac
+
+CALFILE=cal-$SERIAL.txt
+
+echo 'E 0' > $dev
+
+../ao-tools/ao-cal-freq/ao-cal-freq --nosave --output=$CALFILE --tty=$dev