[Bug 272803] uchcom(4) does not support ch343, or ch34[2347]

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 26 Jan 2024 07:46:58 UTC 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=272803

--- Comment #4 from Tomasz "CeDeROM" CEDRO <tomek@cedro.info> ---
This is device desc dump for WaveShare 21442 CH343G based USB-to-UART
converter:

% usbconfig -d 0.7 dump_device_desc
ugen0.7: <vendor 0x1a86 USB Single Serial> at usbus0, cfg=0 md=HOST spd=FULL
(12Mbps) pwr=ON (134mA)

  bLength = 0x0012
  bDescriptorType = 0x0001
  bcdUSB = 0x0110
  bDeviceClass = 0x0002  <Communication device>
  bDeviceSubClass = 0x0000
  bDeviceProtocol = 0x0000
  bMaxPacketSize0 = 0x0008
  idVendor = 0x1a86
  idProduct = 0x55d3
  bcdDevice = 0x0443
  iManufacturer = 0x0000  <no string>
  iProduct = 0x0002  <USB Single Serial>
  iSerialNumber = 0x0003  <5434023603>
  bNumConfigurations = 0x0001

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