pi@linuxcnc:/$ sudo mesaflash --device 7c80 --addr /dev/spidev0.0 --spi --readhmid [sudo] password for pi: open: No such file or directory No 7C80 board found pi@linuxcnc:/$ sudo mesaflash --device 7c80 --addr /dev/spidev10.0 --spi --readhmid Unexpected cookie at 0100..0110: ffffffff ffffffff ffffffff No 7C80 board found pi@linuxcnc:/$