NAME

ucycom —

device driver for Cypress CY7C63743 and CY7C64013 USB to RS232 bridges

SYNOPSIS

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

device usb
device hid
device ucom
device ucycom

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

ucycom_load="YES"

DESCRIPTION

The ucycom driver provides support for the Cypress CY7C63743 and CY7C64013 bridge chips. These chips were designed to provide a low-cost transition path to USB for existing RS232 devices, and have fairly limited capabilities.

The ucycom driver behaves like a tty(4).

HARDWARE

The ucycom driver currently supports the following devices which incorporate Cypress USB to RS232 bridge chips:

DeLorme Earthmate USB GPS receiver

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

HISTORY

The ucycom driver first appeared in FreeBSD 5.3.

AUTHORS

The ucycom driver and this manual page were written by Dag-Erling Smørgrav <des@FreeBSD.org>.