/dev/ttyU*
for callin ports
ucycom4freebsd
Device driver for cypress cy7c63743 and cy7c64013 usb to rs232 bridges
Usage
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"
Overview
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*.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
Releases
9 releases since Debian 5.0 (Lenny); the text changed 6 times.