/dev/ttyU*
for callin ports
ucycom4
Device driver for cypress cy7c63743 and cy7c64013 usb to rs232 bridges
Usage
device usb device hid device ucom device ucycom
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
49 releases since FreeBSD 6.0-RELEASE; the text changed 35 times.