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Diffstat (limited to 'usr.sbin/lptcontrol/lptcontrol.8')
-rw-r--r-- | usr.sbin/lptcontrol/lptcontrol.8 | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/usr.sbin/lptcontrol/lptcontrol.8 b/usr.sbin/lptcontrol/lptcontrol.8 new file mode 100644 index 0000000..7723078 --- /dev/null +++ b/usr.sbin/lptcontrol/lptcontrol.8 @@ -0,0 +1,90 @@ +.\" +.\" 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 October 1, 2004 +.Dt LPTCONTROL 8 +.Os +.Sh NAME +.Nm lptcontrol +.Nd a utility for manipulating the lpt printer driver +.Sh SYNOPSIS +.Nm +.Fl e | i | p | s +.Op Fl d Ar control_device +.Sh DESCRIPTION +The +.Nm +utility is used to set either the interrupt-driven, extended, standard, +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 e +Turn on extended mode. +.It Fl i +Turn on interrupt-driven mode. +.It Fl p +Turn on polled mode. +.It Fl s +Turn on standard mode, i.e., turn off extended mode. +.It Fl d Ar control_device +Set the mode of the printer control device specified by +.Ar control_device . +The default value for +.Ar control_device +is +.Pa /dev/lpt0.ctl . +.El +.Pp +One of +.Fl e , i , p +or +.Fl s +must be specified. +.Sh FILES +.Bl -tag -width /sys/i386/conf/GENERIC -compact +.It Pa /dev/lpt? +printer devices +.It Pa /dev/lpt?.ctl +printer control devices +.It Pa /sys/i386/conf/GENERIC +kernel configuration file +.It Pa /boot/device.hints +device hints for the parallel port chipset driver, +.Xr ppc 4 +.El +.Sh SEE ALSO +.Xr lpt 4 , +.Xr ppc 4 , +.Xr device.hints 5 +.Sh HISTORY +The +.Nm +utility +first appeared in +.Fx 1.1.5 +.Sh AUTHORS +.An Geoffrey M. Rehmet +.Sh BUGS +The control device name should never have been an option, +but should have been an optional argument. +Because of this, a single argument is treated as a device name. |