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- #!/usr/bin/env bash
- # Convenience script for loading firmware onto a dfu type device
- # By default, initiates dfu-util
-
- SERIAL_PORT=""
- AUTO_SCREEN_SESSION=""
- PROG_NAME=$(basename $0)
-
- # Parse all the command line arguments
- while (( "$#" >= "1" )); do
- # Scan each argument
- key="$1"
- case $key in
- -a|--autoscreen)
- AUTO_SCREEN_SESSION="$2"
- shift
- ;;
- -f|--fastload)
- SERIAL_PORT="$2"
- shift
- ;;
- -h|--help)
- echo "Usage: $PROG_NAME [options...]"
- echo ""
- echo "Loads the most recent built firmware (@TARGET_BIN@) to the device."
- echo " (load.dfu)"
- echo ""
- echo "Arguments:"
- echo " -a, --autoscreen SERIAL_PORT Use screen on the specified serial port after loading."
- echo " e.g. /dev/ttyACM0"
- echo " -f, --fastload SERIAL_PORT Send the reload command to the debug terminal."
- echo " e.g. /dev/ttyACM0"
- echo " NOTE: May not work due to non-functional terminal, or disable remote flashing"
- echo " -h, --help This message."
- exit 1
- ;;
- *)
- echo "INVALID ARG: '$1'"
- exit 2
- ;;
- esac
-
- # Shift to the next argument
- shift
- done
-
- # If a SERIAL_PORT was specified set the uC into reflash mode
- # XXX May not be successful if uC is not in a good state (or does not allow remote flashing)
- if [[ "$SERIAL_PORT" != "" ]] && [[ -e "$SERIAL_PORT" ]]; then
- echo "NOTE: This may fail if the uC is in a bad state or does not support remote flashing"
- printf "reload\r" > $SERIAL_PORT
- sleep 2
- fi
-
- # Load via dfu-util
- # Used for McHCK based uCs
- if type dfu-util &>/dev/null; then
- dfu-util -D @TARGET_BIN@
- EXIT_STATUS=$?
- else
- echo "dfu-util is required to reprogram the device"
- exit 3
- fi
-
- # Load Screen Session if specified
- if (( "$EXIT_STATUS" == "0" )) && [[ "$AUTO_SCREEN_SESSION" != "" ]]; then
- if type screen &>/dev/null; then
- sleep 0.1
- screen $AUTO_SCREEN_SESSION
- else
- echo "screen is not installed"
- exit 3
- fi
- fi
-
- exit $EXIT_STATUS
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