f2e366a105
of the typeset output, tend to make diffs harder to read and provide bad examples for new-comers to mdoc.
90 lines
1.9 KiB
Groff
90 lines
1.9 KiB
Groff
.\"
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.\" lptcontrol - a utility for manipulating the lpt driver
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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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.\"
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.\" $FreeBSD$
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.Dd September 3, 1994
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.Dt LPTCONTROL 8
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.Os FreeBSD 2
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.Sh NAME
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.Nm \&lptcontrol
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.Nd a utility for manipulating the lpt printer driver
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.Sh SYNOPSIS
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.Nm \&lptcontrol
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.Cm -i
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.Cm -p
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.Cm -e
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.Cm -s
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.Op Fl d Ar device
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.Sh DESCRIPTION
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The
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.Nm
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command is used to set either the interrupt-driven, extended or polling mode
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of individual
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.Xr lpt 4
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devices. When a printer is switched from
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a mode to another, this change will only take effect
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the next time the device is opened.
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.Pp
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Extended mode is anything the parallel port interface can support.
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For an
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ECP/ISA parallel port, it may be FIFO+DMA or ECP.
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.Pp
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The following command line options are supported:
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.Bl -tag -width indent
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.It Fl i
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Turn on interrupt-driven mode.
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.It Fl p
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Turn on polled mode.
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.It Fl e
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Turn on extended mode.
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.It Fl s
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Turn on standard mode, i.e. turn off extended mode.
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.It Fl d Ar dev
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Set the mode of the printer device specified by
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.Ar dev .
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The default value for
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.Ar dev
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is
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.Pa /dev/lpt0 .
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.El
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.Pp
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One of
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.Fl i
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,
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.Fl p
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or
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.Fl e
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must be specified.
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.Pp
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.Sh FILES
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.Bl -tag -width /sys/i386/conf/GENERIC -compact
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.It Pa /dev/lpt?
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printer devices
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.It Pa /dev/lpctl?
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printer control devices
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.It Pa /sys/i386/conf/GENERIC
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kernel configuration file
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.El
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.Sh BUGS
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Sure to be some.
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.Sh "SEE ALSO"
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.Xr lpt 4
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.Sh AUTHORS
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.An Geoffrey M. Rehmet
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.Sh HISTORY
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.Nm Lptcontrol
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first appeared in
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.Fx 1.1.5
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