uchcom — WinChipHead CH341/CH340 serial adapter driver
Contents
Bugs
Actually, this chip seems unable to drive other than 8 data bits and 1 stop bit line.
Debian April 26, 2017 UCHCOM(4)
Description
The uchcom driver provides support for the WinChipHead CH341/CH340 USB-to-RS-232 Bridge chip.
The device is accessed through the ucom(4) driver which makes it behave like a tty(4).
Files
/dev/ttyU* for callin ports
/dev/ttyU*.init/dev/ttyU*.lock corresponding callin initial-state and lock-state devices
/dev/cuaU* for callout ports
/dev/cuaU*.init/dev/cuaU*.lock corresponding callout initial-state and lock-state devices
Hardware
The uchcom driver supports the following adapters:
• HL USB-RS232
History
The uchcom driver first appeared in NetBSD. The first FreeBSD release to include it was FreeBSD 8.0.
Name
uchcom — WinChipHead CH341/CH340 serial adapter driver
See Also
tty(4), ucom(4), usb(4)
Synopsis
To compile this driver into the kernel, place the following lines in your kernel configuration file:
deviceusbdeviceucomdeviceuchcom
Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):
uchcom_load="YES"
