test-firmware-flash.sh
#!/bin/bash
host/build/hackrf-tools/src/hackrf_spiflash -w firmware/hackrf_usb/build/hackrf_usb.bin
EXIT_CODE="$?"
if [ "$EXIT_CODE" == "1" ]
then
    echo "No HackRF found! Disconnected? Exiting.."
    exit $EXIT_CODE
elif [ "$EXIT_CODE" == "0" ]
then
    echo "Firmware successfully flashed!"
elif [ "$EXIT_CODE" == "127" ]
then
    echo "Host tool installation failed! Exiting.."
    exit $EXIT_CODE
else
    echo "Unknown error"
    exit $EXIT_CODE
fi