NAME

     uark — Arkmicro Technologies ARK3116 based USB serial adapter

SYNOPSIS

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

           device usb
           device ucom
           device uark

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

           uark_load="YES"

DESCRIPTION

     The uark driver supports Arkmicro Technologies ARK3116 based serial adapters.

HARDWARE

     The uark driver supports the following adapters:

     •   HL USB-RS232
     •   HugePine USB-UART
     •   KQ-U8A Data Cable
     •   Skymaster USB to 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 uark device driver first appeared in OpenBSD 4.0.  The first FreeBSD release to include
     it was FreeBSD 7.0.

AUTHORS

     The uark driver was written by Jonathan Gray <jsg@openbsd.org>.

CAVEATS

     Setting hardware flow control is not currently supported.  It is not yet known how to ask
     the hardware to send a break.

     Arkmicro Technologies do not reply to requests of documentation for their products.