xref: /freebsd/share/man/man4/ucycom.4 (revision 7750ad47a9a7dbc83f87158464170c8640723293)
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2.\" Copyright (c) 2004 Dag-Erling Coïdan Smørgrav
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28.\" $FreeBSD$
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 des@FreeBSD.org .
88