1.\"- 2.\" Copyright (c) 2004 Dag-Erling Coïdan Smørgrav 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 3. The name of the author may not be used to endorse or promote products 14.\" derived from this software without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" $FreeBSD: head/share/man/man4/ucycom.4 227750 2011-11-20 12:18:21Z miwi $ 29.\" 30.Dd November 20, 2011 31.Dt UCYCOM 4 32.Os 33.Sh NAME 34.Nm ucycom 35.Nd device driver for Cypress CY7C63743 and CY7C64013 USB to RS232 bridges 36.Sh SYNOPSIS 37To compile this driver into the kernel, 38place the following line in your 39kernel configuration file: 40.Bd -ragged -offset indent 41.Cd "device usb" 42.Cd "device ucom" 43.Cd "device ucycom" 44.Ed 45.Pp 46Alternatively, to load the driver as a 47module at boot time, place the following line in 48.Xr loader.conf 5 : 49.Bd -literal -offset indent 50ucycom_load="YES" 51.Ed 52.Sh DESCRIPTION 53The 54.Nm 55driver provides support for the Cypress CY7C63743 and CY7C64013 bridge 56chips. 57These chips were designed to provide a low-cost transition path to USB 58for existing RS232 devices, and have fairly limited capabilities. 59.Pp 60The 61.Nm 62driver behaves like a 63.Xr tty 4 . 64.Sh HARDWARE 65The 66.Nm 67driver currently supports the following devices which incorporate 68Cypress USB to RS232 bridge chips: 69.Pp 70.Bl -bullet -compact 71.It 72DeLorme Earthmate USB GPS receiver 73.El 74.Sh SEE ALSO 75.Xr tty 4 , 76.Xr usb 4 77.Sh HISTORY 78The 79.Nm 80driver first appeared in 81.Fx 5.3 . 82.Sh AUTHORS 83.An -nosplit 84The 85.Nm 86driver and this manual page were written by 87.An Dag-Erling Sm\(/orgrav Aq Mt des@FreeBSD.org . 88