1.\" 2.\" Copyright (c) 2015 M. Warner Losh 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. The name of the author may not be used to endorse or promote products 11.\" derived from this software without specific prior written permission. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" 27.Dd July 20, 2015 28.Dt OW 4 29.Os 30.Sh NAME 31.Nm ow 32.Nd Dallas Semiconductor 1-Wire bus 33.Sh SYNOPSIS 34.Cd device ow 35.Sh DESCRIPTION 36The 37.Nm 38module implements the Dallas Semiconductor 1-Wire bus. 39It attaches to the 40.Xr owc 4 41driver, which implements the low-level signaling of the 421-Wire bus. 43.Sh SEE ALSO 44.Xr ow_temp 4 , 45.Xr owc 4 , 46.Xr owll 9 , 47.Xr own 9 48.Sh LEGAL 49.Tn 1-Wire 50is a registered trademark of Maxim Integrated Products, Inc. 51.Sh HISTORY 52The 53.Nm 54driver first appeared in 55.Fx 11.0 . 56.Sh AUTHORS 57The 58.Nm 59device driver and this manual page were written by 60.An Warner Losh . 61