67de2db262
It will be used by the upcoming HID-over-i2C implementation. Should be no-op, except hid.ko module dependency is to be added to affected drivers. Reviewed by: hselasky, manu Differential revision: https://reviews.freebsd.org/D27867
104 lines
3.0 KiB
Groff
104 lines
3.0 KiB
Groff
.\"-
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.\" Copyright (c) 2004 Dag-Erling Coïdan Smørgrav
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd April 26, 2017
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.Dt UCYCOM 4
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.Os
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.Sh NAME
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.Nm ucycom
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.Nd device driver for Cypress CY7C63743 and CY7C64013 USB to RS232 bridges
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.Sh SYNOPSIS
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To compile this driver into the kernel,
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place the following line in your
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kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "device usb"
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.Cd "device hid"
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.Cd "device ucom"
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.Cd "device ucycom"
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.Ed
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.Pp
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Alternatively, to load the driver as a
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module at boot time, place the following line in
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.Xr loader.conf 5 :
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.Bd -literal -offset indent
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ucycom_load="YES"
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.Ed
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for the Cypress CY7C63743 and CY7C64013 bridge
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chips.
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These chips were designed to provide a low-cost transition path to USB
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for existing RS232 devices, and have fairly limited capabilities.
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.Pp
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The
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.Nm
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driver behaves like a
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.Xr tty 4 .
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.Sh HARDWARE
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The
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.Nm
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driver currently supports the following devices which incorporate
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Cypress USB to RS232 bridge chips:
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.Pp
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.Bl -bullet -compact
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.It
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DeLorme Earthmate USB GPS receiver
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.El
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.Sh FILES
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.Bl -tag -width "/dev/ttyU*.init" -compact
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.It Pa /dev/ttyU*
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for callin ports
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.It Pa /dev/ttyU*.init
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.It Pa /dev/ttyU*.lock
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corresponding callin initial-state and lock-state devices
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.Pp
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.It Pa /dev/cuaU*
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for callout ports
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.It Pa /dev/cuaU*.init
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.It Pa /dev/cuaU*.lock
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corresponding callout initial-state and lock-state devices
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.El
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.Sh SEE ALSO
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.Xr tty 4 ,
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.Xr ucom 4 ,
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.Xr usb 4
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.Sh HISTORY
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The
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.Nm
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driver first appeared in
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.Fx 5.3 .
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.Sh AUTHORS
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.An -nosplit
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The
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.Nm
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driver and this manual page were written by
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.An Dag-Erling Sm\(/orgrav Aq Mt des@FreeBSD.org .
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