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:

       •   HL USB-RS232

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

SEE ALSO

       tty(4), ucom(4), usb(4)

HISTORY

       The uchcom driver first appeared in NetBSD.  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.

Debian                                           April 26, 2017                                        UCHCOM(4)