When connecting my HitecAstro USB Guider onto Ubuntu 20.04 the device is not recognized as a usb serial (which should provide /dev/ttyUSBx) but as a hid-generic
[3143.297181] usb 2-1.1: new full-speed USB device number 9 using ehci-pci
[3143.416957] usb 2-1.1: New USB device found, idVendor=04d8, idProduct=fbc7, bcdDevice= 0.01[3143.416962] usb 2-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0[3143.416965] usb 2-1.1: Product: USB Guide
[3143.416967] usb 2-1.1: Manufacturer: HitecAstro
[3143.419174] hid-generic 0003:04D8:FBC7.0008: hiddev0,hidraw2: USB HID v1.01 Device [HitecAstro USB Guide] on usb-0000:00:1d.0-1.1/input0
I have added an entry in /etc/udeb/rules.d/69-libmtp.rules to avoid having mtp trying to detect the device as it was failing with "mtp-probe: bus: 1, device: 6 was not an MTP device":
ATTR{idVendor}=="04d8", GOTO="libmtp_rules_end"
Still I only have a raw device detected and when using that within ekos it failed.