mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-20 11:11:24 +00:00
98 lines
3.0 KiB
C
98 lines
3.0 KiB
C
/*
|
|
* Copyright (c) 1994 Geoffrey M. Rehmet
|
|
* 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 Geoffrey M. Rehmet
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef lint
|
|
static const char rcsid[] =
|
|
"$FreeBSD$";
|
|
#endif /* not lint */
|
|
|
|
#include <ctype.h>
|
|
#include <err.h>
|
|
#include <limits.h>
|
|
#include <paths.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include <dev/ppbus/lptio.h>
|
|
#include <sys/file.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/types.h>
|
|
|
|
|
|
#define PATH_LPCTL _PATH_DEV "lpctl"
|
|
#define DEFAULT_DEVICE _PATH_DEV "lpt0"
|
|
#define IRQ_INVALID -1
|
|
#define DO_POLL 0
|
|
#define USE_IRQ 1
|
|
#define USE_EXT_MODE 2
|
|
#define USE_STD_MODE 3
|
|
|
|
static void usage(void)
|
|
{
|
|
fprintf(stderr, "usage: lptcontrol -i | -p | -s | -e [-d device]\n");
|
|
exit(1);
|
|
}
|
|
|
|
static void set_interrupt_status(int irq_status, const char * file)
|
|
{
|
|
int fd;
|
|
|
|
if((fd = open(file, O_WRONLY, 0660)) < 0)
|
|
err(1, "open");
|
|
if(ioctl(fd, LPT_IRQ, &irq_status) < 0)
|
|
err(1, "ioctl");
|
|
close(fd);
|
|
}
|
|
|
|
int main (int argc, char * argv[])
|
|
{
|
|
int opt;
|
|
int irq_status = IRQ_INVALID;
|
|
const char *device = DEFAULT_DEVICE;
|
|
|
|
while((opt = getopt(argc, argv, "ipesd:")) != -1)
|
|
switch(opt) {
|
|
case 'i': irq_status = USE_IRQ; break;
|
|
case 'p': irq_status = DO_POLL; break;
|
|
case 'e': irq_status = USE_EXT_MODE; break;
|
|
case 's': irq_status = USE_STD_MODE; break;
|
|
case 'd': device = optarg; break;
|
|
default : usage();
|
|
}
|
|
if(irq_status == IRQ_INVALID)
|
|
usage();
|
|
|
|
set_interrupt_status(irq_status, device);
|
|
|
|
exit(0);
|
|
}
|