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 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
SEE ALSO
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 [AT] FreeBSD.org>.
BSD April 26, 2017 BSD