#!/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