83 lines
3.0 KiB
Groff
83 lines
3.0 KiB
Groff
.\" $NetBSD: busmouse.4,v 1.9 2002/02/13 08:17:59 ross Exp $
|
|
.\"
|
|
.\" Copyright (c) 1996 Michael Graff
|
|
.\" All rights reserved.
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\" 3. All advertising materials mentioning features or use of this software
|
|
.\" must display the following acknowledgement:
|
|
.\" This product includes software developed by Michael Graff for the
|
|
.\" NetBSD Foundation, Inc.
|
|
.\" 4. The name of the author may not be used to endorse or promote products
|
|
.\" derived from this software without specific prior written permission
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
.\"
|
|
.Dd March 12, 1997
|
|
.Dt BUSMOUSE 4 i386
|
|
.Os
|
|
.Sh NAME
|
|
.Nm busmouse
|
|
.Nd Bus mouse driver
|
|
.Sh SYNOPSIS
|
|
.Fd #include \*[Lt]machine/mouse.h\*[Gt]
|
|
.Sh DESCRIPTION
|
|
Many mouse drivers internally convert the protocol
|
|
the mouse uses natively to a common busmouse protocol.
|
|
.Pp
|
|
The drivers allow information to be retrieved from the driver using an
|
|
.Xr ioctl 2
|
|
call or by reading the device directly using
|
|
.Xr read 2 .
|
|
.Pp
|
|
The
|
|
.Dv MOUSEIOCREAD
|
|
.Xr ioctl 2
|
|
is defined in the header
|
|
.Aq Pa machine/mouse.h .
|
|
It returns a
|
|
.Li struct mouseinfo .
|
|
.Pp
|
|
When reading the mouse device directly, each change of button state or
|
|
mouse movement generates a five byte event.
|
|
The bytes contain:
|
|
.Bl -tag -width xxxx -offset indent -compact
|
|
.It 1
|
|
Button status. (u_char)
|
|
.It 2
|
|
Right/left movement. Positive values indicate right, negative
|
|
left. (char)
|
|
.It 3
|
|
Up/down movement. Positive values indicate up, negative down. (char)
|
|
.It 4
|
|
Reserved. Should be zero. (char)
|
|
.It 5
|
|
Reserved. Should be zero. (char)
|
|
.El
|
|
.Pp
|
|
The direction bytes are signed characters, giving a range of +127 to -127.
|
|
A positive value indicates movement to the right or up, and a negative
|
|
value movement left or down.
|
|
.Sh SEE ALSO
|
|
.Xr ioctl 2 ,
|
|
.Xr read 2 ,
|
|
.Xr lms 4 ,
|
|
.Xr mms 4 ,
|
|
.Xr pms 4
|