84 lines
1.9 KiB
Groff
84 lines
1.9 KiB
Groff
.\"
|
|
.\" lptcontrol - a utility for manipulating the lpt driver
|
|
.\"
|
|
.\" 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.
|
|
.\"
|
|
.\" $FreeBSD$
|
|
.Dd September 3, 1994
|
|
.Dt LPTCONTROL 8
|
|
.Os FreeBSD
|
|
.Sh NAME
|
|
.Nm lptcontrol
|
|
.Nd a utility for manipulating the lpt printer driver
|
|
.Sh SYNOPSIS
|
|
.Nm
|
|
.Fl i | p | e | s
|
|
.Op Fl d Ar device
|
|
.Sh DESCRIPTION
|
|
The
|
|
.Nm
|
|
command is used to set either the interrupt-driven, extended or polling mode
|
|
of individual
|
|
.Xr lpt 4
|
|
devices.
|
|
When a printer is switched from
|
|
a mode to another, this change will only take effect
|
|
the next time the device is opened.
|
|
.Pp
|
|
Extended mode is anything the parallel port interface can support.
|
|
For an
|
|
ECP/ISA parallel port, it may be FIFO+DMA or ECP.
|
|
.Pp
|
|
The following command line options are supported:
|
|
.Bl -tag -width indent
|
|
.It Fl i
|
|
Turn on interrupt-driven mode.
|
|
.It Fl p
|
|
Turn on polled mode.
|
|
.It Fl e
|
|
Turn on extended mode.
|
|
.It Fl s
|
|
Turn on standard mode, i.e. turn off extended mode.
|
|
.It Fl d Ar device
|
|
Set the mode of the printer device specified by
|
|
.Ar device .
|
|
The default value for
|
|
.Ar device
|
|
is
|
|
.Pa /dev/lpt0 .
|
|
.El
|
|
.Pp
|
|
One of
|
|
.Fl i , p
|
|
or
|
|
.Fl e
|
|
must be specified.
|
|
.Sh FILES
|
|
.Bl -tag -width /sys/i386/conf/GENERIC -compact
|
|
.It Pa /dev/lpt?
|
|
printer devices
|
|
.It Pa /dev/lpctl?
|
|
printer control devices
|
|
.It Pa /sys/i386/conf/GENERIC
|
|
kernel configuration file
|
|
.El
|
|
.Sh BUGS
|
|
Sure to be some.
|
|
.Sh SEE ALSO
|
|
.Xr lpt 4
|
|
.Sh AUTHORS
|
|
.An Geoffrey M. Rehmet
|
|
.Sh HISTORY
|
|
The
|
|
.Nm
|
|
command
|
|
first appeared in
|
|
.Fx 1.1.5
|