On Wednesday 23 October 2024 09:38:04 pm Max Nikulin wrote: > On 23/10/2024 21:25, Roy J. Tellason, Sr. wrote: > > Connecting the device with a USB cable I see it wake up, at which point > > there's a menu on its screen. > > Start "journalctl -f" as root before connecting the device. Logs may > contain some hints how to communicate with it. Perhaps "udevadm monitor" > with some options may provide more low level info.
I did find some info in one of the log files: Oct 24 15:14:28 Workstation1 kernel: [1915052.140032] usb 7-1.4.4: new full-speed USB device number 13 using ehci-pci Oct 24 15:14:28 Workstation1 kernel: [1915052.249009] usb 7-1.4.4: New USB device found, idVendor=1a86, idProduct=7523 Oct 24 15:14:28 Workstation1 kernel: [1915052.249012] usb 7-1.4.4: New USB device strings: Mfr=0, Product=2, SerialNumber=0 Oct 24 15:14:28 Workstation1 kernel: [1915052.249014] usb 7-1.4.4: Product: USB Serial Oct 24 15:14:28 Workstation1 kernel: [1915052.249308] ch341 7-1.4.4:1.0: ch341-uart converter detected Oct 24 15:14:28 Workstation1 kernel: [1915052.251232] usb 7-1.4.4: ch341-uart converter now attached to ttyUSB0 Oct 24 15:14:28 Workstation1 mtp-probe: checking bus 7, device 13: "/sys/devices/pci0000:00/0000:00:1a.7/usb7/7-1/7-1.4/7-1.4.4" Oct 24 15:14:28 Workstation1 mtp-probe: bus: 7, device: 13 was not an MTP device Oct 24 15:14:29 Workstation1 org.xfce.FileManager[1332]: thunar-volman: Unsupported USB device type "usb". Oct 24 15:14:29 Workstation1 org.xfce.FileManager[1332]: thunar-volman: Unsupported USB device type "ch341". I don't recognize that mtp stuff, and don't know how thunar-volman gets into the picture... -- Member of the toughest, meanest, deadliest, most unrelenting -- and ablest -- form of life in this section of space, a critter that can be killed but can't be tamed. --Robert A. Heinlein, "The Puppet Masters" - Information is more dangerous than cannon to a society ruled by lies. --James M Dakin
