'\" t
.\" Copyright (c) Michael Haardt (michael@cantor.informatik.rwth-aachen.de), Sun Jan 15 19:16:33 1995
.\"
.\" This is free documentation; you can redistribute it and/or
.\" modify it under the terms of the GNU General Public License as
.\" published by the Free Software Foundation; either version 2 of
.\" the License, or (at your option) any later version.
.\"
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.\" This manual is distributed in the hope that it will be useful,
.\" but WITHOUT ANY WARRANTY; without even the implied warranty of
.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
.\" GNU General Public License for more details.
.\"
.\" You should have received a copy of the GNU General Public
.\" License along with this manual; if not, write to the Free
.\" Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111,
.\" USA.
.\"
.\" Modified, Sun Feb 26 15:02:58 1995, faith@cs.unc.edu
.\"
.\" Japanese Version Copyright (c) 1996,1997,1998
.\"         ISHIKAWA Mutsumi, TAKAHASHI Mutsuji
.\"                             all rights reserved.
.\" Translated Tue Feb 13 22:48:47 JST 1997
.\"         by ISHIKAWA Mutsumi <ishikawa@linux.or.jp>
.\"            and TAKAHASHI Mutsuji <muz@ilp.iijnet.or.jp>
.\"
.\" Japanese Version Last Modified Sun Jan 11 03:42:56 JST 1998
.\"	by ISHIKAWA Mutsumi <ishikawa@linux.or.jp>
.\"
.\" WORD:	printer			ץ󥿡
.\" WORD:	parallel		ѥ
.\" WORD:	polling			ݡ
.\" WORD:	interrupt		
.\" WORD:	dot matrix printer	ɥåȥޥȥꥯץ󥿡
.\" WORD:	default			ǥե
.\" WORD:	modularize		⥸塼벽
.\" WORD:	driver			ɥ饤
.\" WORD:       buffer			Хåե
.\"
.TH LP 4 1995-01-15 "Linux" "Linux Programmer's Manual"
.SH ̾
lp \- 饤ץ󥿡ǥХ
.SH 
.B #include <linux/lp.h>
.SH 
\fBlp\fP[0\(en2] ϥѥץ󥿡ΤΥ饯ǥХǥ᥸㡼
ʥС 6 ޥʡʥС 0\(en2 ġޥʡʥСϡ١
ɥ쥹 0x03bc, 0x0378, 0x0278 Τ줾Υץ󥿡ݡȤб
̾ΥǥХեϥ⡼ 220 ʡ root 롼 lp Ȥʤ
Ƥ롣ץ󥿡ݡȤϥݡ(polling)ޤϳ
(interrupts) ΤɤѤƤѤǤ롣ߤѤϡ٤
ͽۤ㤨Х졼ץ󥿡ץ󥿥ݡȤ³
ɤ˿侩롣̤Υɥåȥޥȥꥯץ󥿡Ǥϡݡ󥰤
̾ϽʬǤ롣ǥեȤǤϥݡ󥰤Ѥ롣
.SH 

.BR ioctl (2)
뤬ݡȤƤ롣
.IP "\fBint ioctl(int \fP\fIfd\fP\fB, LPTIME, int \fP\fIarg\fP\fB)\fP"
ץ󥿡ΥХåե( buffer ) äѤˤʤäɥ饤Фץ󥿡
ƥåޤǤ˵ٻߤ֤ \fIarg\fP Ȥ롣®ʥץ󥿡
λϤ򸺤餷٤ץ󥿡λˤ䤹ñ̤1ä100ʬ1
ǡǥեȤ20.02äˤ롣ݡ󥰥ɥ饤( polling driver
)Τߤ˱ƶ롣
.IP "\fBint ioctl(int \fP\fIfd\fP\fB, LPCHAR, int \fP\fIarg\fP\fB)\fP"
ݡ󥰥ɥ饤Фץ󥿡ʸǤΤ
ĥӥ(busy-wait)βκͤ \fIarg\fPȤ롣
⤷٤Ϥ䤷ƥब٤ʤꤹˤ
餹ǥեȤ 1000 Ǥ롣ݡ󥰥ɥ饤ФΤߤ˱ƶ롣
.IP "\fBint ioctl(int \fP\fIfd\fP\fB, LPABORT, int \fP\fIarg\fP\fB)\fP"
⤷\fIarg\fP  0 ʤ顢ץ󥿡ɥ饤Фϥ顼ˤĤƺƻ
Ԥʳξߤ롣ǥեȤ 0 Ǥ롣
.IP "\fBint ioctl(int \fP\fIfd\fP\fB, LPABORTOPEN, int \fP\fIarg\fP\fB)\fP"
⤷\fIarg\fP  0 ʤ
.BR open (2)
η̤顼ξ硢ưߤ롣ʳʤ饨顼̵
뤵롣ǥեȤǤϥ顼̵뤵롣
.IP "\fBint ioctl(int \fP\fIfd\fP\fB, LPCAREFUL, int \fP\fIarg\fP\fB)\fP"
\fIarg\fP0ΤȤˤϡ٤Ƥν񤭽Фλˡڤ졢ե饤󡢥
顼Υʥ뤬(false)Ǥ뤳ȤɬפȤ뤬0 ʳʤ餳
Υʥ̵뤵롣ǥեȤǤ⤳Υʥ̵뤵롣
.IP "\fBint ioctl(int \fP\fIfd\fP\fB, LPWAIT, int \fP\fIarg\fP\fB)\fP"
ץ󥿡줿ʸΤԤĤᡢɥ饤Фʸ
Ƥ饹ȥ(strobe)ޤǤԤη֤βȡȥ
ƤӥդˤޤǤԤη֤β \fIarg\fP
롣ͤˤФλ֤ 0.5 ޥäȤ٤иˤ
Υɤˤä٤ǽʬǤ롣ΤᡢǥեȤǤ 0 
롣ϡݡ󥰤ȳߥɥ饤ФξǻȤ롣
.IP "\fBint ioctl(int \fP\fIfd\fP\fB, LPSETIRQ, int \fP\fIarg\fP\fB)\fP"

.BR ioctl (2)
Ȥˤϡѡ桼θ¤ɬפǤ롣IRQ򼨤
.I int
ȤƤȤ롣ޤѤȤƥץ󥿡ϥꥻåȤ롣
\fIarg\fP0λޤϥǥեȤưǤϡݡ󥰥ɥ饤СȤ
롣
.IP "\fBint ioctl(int \fP\fIfd\fP\fB, LPGETIRQ, int *\fP\fIarg\fP\fB)\fP"
߻ȤƤIRQ\fIarg\fPˤ롣
.IP "\fBint ioctl(int \fP\fIfd\fP\fB, LPGETSTATUS, int *\fP\fIarg\fP\fB)\fP"
ơݡȤͤ\fIarg\fP˼롣ƥӥåȤˤϼΤ褦ʰ̣
롧
.TS
l l.
LP_PBUSY	ӥȿžϥƥ
LP_PACK	        Υå桢ƥ
LP_POUTPA	ڤ쿮桢ϥƥ
LP_PSELECD	򿮹桢ϥƥ
LP_PERRORP	顼桢ƥ
.TE
.sp
ΰ̣ˤĤƤϳƼΥץ󥿡Υޥ˥奢򻲾ȤΤȡץ󥿡
ˤäƤϵܤΤʤӥåȤ⥻åȤ뤫⤷ʤΤǡդΤȡ
.IP "\fBint ioctl(int \fP\fIfd\fP\fB, LPRESET)\fP"
ץ󥿡ꥻåȤ롣ϤȤʤ
.SH ե
/dev/lp*
.\" .SH 
.\" ץ󥿡ɥ饤ФϽ Jim Weigand  Linus Torvalds ˤäƽ
.\" 졢 Michael K.\& Johnson ˤäƲɤ줿ߤΥ
.\"  Nigel Gamble ˤäƽ񤫤줿ޤAlan Cox ϥɥ饤Ф⥸塼
.\" 벽
.\" LPCAREFUL, LPABORT, LPGETSTATUS  Chris Metcalf ˤäƲä줿
.SH Ϣ
.BR chmod (1),
.BR chown (1),
.BR mknod (1),
.BR lpcntl (8),
.BR tunelp (8)
.\" .SH 
.\"   <ishikawa@linux.or.jp>,
.\" ⶶ ӻ <muz@ilp.iijnet.or.jp>
.SH 
ͥ 2.1.x ǤϥѥݡȤޤ꤬˽ľƤޤ
äơͥ 2.1.x Υѥݡȥɥ饤Фˤϡ
Υޥ˥奢ƤϤΤޤŬѤǤޤ