pi@linuxcnc:~ $ linuxcnc
LINUXCNC - 2.8.2
Machine configuration directory is '/usr/share/doc/linuxcnc/examples/sample-configs/by_interface/remora-xyz'
Machine configuration file is 'remora-xyz.ini'
Starting LinuxCNC...
Found file(REL): ./remora-xyz.hal
Note: Using POSIX realtime
note: MAXV     max: 200.000 units/sec 12000.000 units/min
note: LJOG     max: 200.000 units/sec 12000.000 units/min
note: LJOG default: 50.000 units/sec 3000.000 units/min
note: jog_order='XYZ'
note: jog_invert=set([])
Bad SPI payload = ffffffff
Bad SPI payload = ffffffff