I believe I've followed all the instructions on configuring for the Shuttle Express on the Pi4 using LINUXCNC 2.8.1
Entering ls -al /dev/hidr* shows that with the shuttle not plugged in I have hidraw1..hidraw3 Plug in the shuttle and hidraw0 shows up. I've put source shuttle1_2020-07-10.hal into the config folder and added into postgui_call_list.hal source shuttle1_2020-07-10.hal I've also created the file 99-shuttle.rules to properly set the permissions. The USB vender and product are 0B33 and 0020 on this device. The various web sites all show this type of error which is what I am also seeing: shuttle: error opening /dev/hidraw0: Permission denied shuttle: make sure you have read permission on /dev/hidraw0, read the shuttle(1) manpage for more info shuttle: error opening /dev/hidraw1: Permission denied shuttle: make sure you have read permission on /dev/hidraw1, read the shuttle(1) manpage for more info shuttle: error opening /dev/hidraw2: Permission denied shuttle: make sure you have read permission on /dev/hidraw2, read the shuttle(1) manpage for more info shuttle: error opening /dev/hidraw3: Permission denied shuttle: make sure you have read permission on /dev/hidraw3, read the shuttle(1) manpage for more info shuttle: no devices found shuttle1_2020-07-10.hal:11: waitpid failed shuttle shuttle shuttle1_2020-07-10.hal:11: shuttle exited without becoming ready So what could I be missing and what approach do I use to try and find out what is missing? I've included the rules file just in case I have a typo that I can't see. And here's the list of sites I've used to try and solve this problem. http://linuxcnc.org/docs/master/html/drivers/shuttle.html https://github.com/LinuxCNC/linuxcnc/commit/ba077f564 http://linuxcnc.org/docs/2.8/html/getting-started/updating-linuxcnc.html#_tt_shuttlexpress_tt_driver_renamed_to_tt_shuttle_tt https://forum.linuxcnc.org/24-hal-components/39302-shuttlexpress-pins-not-fond-after-updating-to-2-9-0-pre0-2180-ga14b08a70 Thanks John
99-shuttle.rules
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linuxcnc.report
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