lptcontrol.c (e65b439414e6885ee5087f6e820315e0be91e661) lptcontrol.c (6dc3c6f768a8edf40c55a9b4cb9390c1551ba150)
1/*
2 * Copyright (c) 1994 Geoffrey M. Rehmet
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Geoffrey M. Rehmet
16 * 4. The name of the author may not be used to endorse or promote products
1/*
2 * Copyright (c) 1994 Geoffrey M. Rehmet
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Geoffrey M. Rehmet
16 * 4. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission
17 * derived from this software withough specific prior written permission
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 *
30 * $Id: lptcontrol.c,v 1.2 1994/04/08 22:23:39 csgr Exp $
29 */
30
31 */
32
31#include <sys/cdefs.h>
32__FBSDID("$FreeBSD$");
33
34#include <dev/ppbus/lptio.h>
35
36#include <err.h>
37#include <fcntl.h>
33#include <sys/types.h>
34#include <sys/file.h>
35#include <sys/ioctl.h>
36#include <machine/lpt.h>
37#include <stdlib.h>
38#include <unistd.h>
38#include <unistd.h>
39
40#include <stdio.h>
39#include <stdio.h>
41#include <stdlib.h>
40#include <string.h>
41#include <sys/errno.h>
42
42
43#define DEFAULT_DEVICE "/dev/lpt0.ctl"
44#define IRQ_UNSPECIFIED -1
43
44#define DEFAULT_LPT "/dev/lpt0"
45#define IRQ_INVALID -1
45#define DO_POLL 0
46#define USE_IRQ 1
46#define DO_POLL 0
47#define USE_IRQ 1
47#define USE_EXT_MODE 2
48#define USE_STD_MODE 3
49
48
50static void usage(void)
49static char default_printer[] = DEFAULT_LPT;
50
51static void usage(const char * progname)
51{
52{
52 fprintf(stderr,
53 "usage: lptcontrol -e | -i | -p | -s [[-d] controldevice]\n");
53 fprintf(stderr, "usage: %s -i | -p [-f <file name>]\n", progname);
54 exit(1);
55}
56
54 exit(1);
55}
56
57int main (int argc, char **argv)
57static void set_interrupt_status(int irq_status, const char * file)
58{
58{
59 const char *device;
60 int fd;
61 int irq_status;
62 int opt;
59 int fd;
63
60
64 device = DEFAULT_DEVICE;
65 irq_status = IRQ_UNSPECIFIED;
66 while ((opt = getopt(argc, argv, "d:eips")) != -1)
67 switch (opt) {
68 case 'd':
69 device = optarg;
70 break;
71 case 'e':
72 irq_status = USE_EXT_MODE;
73 break;
74 case 'i':
75 irq_status = USE_IRQ;
76 break;
77 case 'p':
78 irq_status = DO_POLL;
79 break;
80 case 's':
81 irq_status = USE_STD_MODE;
82 break;
83 case '?':
84 default:
85 usage();
86 /* NOTREACHED */
87 }
88 argc -= optind;
89 argv += optind;
90 /* POLA: DTRT if -d was forgotten, but device name was specified. */
91 if (argc == 1) {
92 device = argv[0];
93 --argc;
61 if((fd = open(file, O_WRONLY, 0660)) < 0) {
62 perror("open");
63 exit(1);
94 }
64 }
65 if(ioctl(fd, LPT_IRQ, &irq_status) < 0) {
66 perror("ioctl");
67 exit(1);
68 }
69 close(fd);
70}
95
71
96 if (irq_status == IRQ_UNSPECIFIED || argc != 0)
97 usage();
98
72
99 if ((fd = open(device, O_WRONLY)) < 0)
100 err(1, "open");
101 if (ioctl(fd, LPT_IRQ, &irq_status) < 0)
102 err(1, "ioctl");
103 close(fd);
73int main (int argc, char * argv[])
74{
75 int opt;
76 int irq_status = -1;
77 char * file = default_printer;
78
79 while((opt = getopt(argc, argv, "pif:")) != -1)
80 switch(opt) {
81 case 'i': irq_status = USE_IRQ; break;
82 case 'p': irq_status = DO_POLL; break;
83 case 'f': file = optarg; break;
84 default : usage(argv[0]);
85 }
86 if(irq_status == IRQ_INVALID) usage(argv[0]);
104
87
105 return(0);
88 set_interrupt_status(irq_status, file);
89
90 exit(0);
106}
91}
92
93