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UCHCOM(4)             DragonFly Kernel Interfaces Manual             UCHCOM(4)

NAME
     uchcom -- WinChipHead CH341/CH340 serial adapter driver

SYNOPSIS
     To compile this driver into the kernel, place the following lines in your
     kernel configuration file:

           device usb
           device ucom
           device uchcom

     Alternatively, to load the driver as a module at boot time, place the
     following line in loader.conf(5):

           uchcom_load="YES"

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).

HARDWARE
     The uchcom driver supports the following adapters:

     o   HL USB-RS232

SEE ALSO
     tty(4), ucom(4), usb(4)

HISTORY
     The uchcom driver first appeared in NetBSD 5.0 and was imported into
     DragonFly 1.11.  The first FreeBSD release to include it was FreeBSD 8.0.

BUGS
     Actually, this chip seems unable to drive other than 8 data bits and 1
     stop bit line.

DragonFly 3.7                  November 20, 2011                 DragonFly 3.7