1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
/* keytable.c - This program allows checking/replacing keys at IR
Copyright (C) 2006 Mauro Carvalho Chehab <mchehab@infradead.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, version 2 of the License.
This program 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.
*/
#include <ctype.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <linux/input.h>
#include <sys/ioctl.h>
void prtcode (int *codes)
{
if (isprint (codes[1]))
printf("scancode %d = '%c' (0x%02x)\n", codes[0], codes[1], codes[1]);
else
printf("scancode %d = 0x%02x\n", codes[0], codes[1]);
}
int main (int argc, char *argv[])
{
int fd;
unsigned int i;
int codes[2];
if (argc!=2 && argc!=4) {
printf ("usage: %s <device> to get table; or\n"
" %s <device> <scancode> <keycode>\n",*argv,*argv);
return -1;
}
if ((fd = open(argv[1], O_RDONLY)) < 0) {
perror("Couldn't open input device");
return(-1);
}
if (argc==2) {
/* Get scancode table */
for (i=0;i<256;i++) {
codes[0] = i;
if(ioctl(fd, EVIOCGKEYCODE, codes)==0)
prtcode(codes);
// else perror ("EVIOGCKEYCODE");
}
} else {
codes[0] = (unsigned) strtol(argv[2], NULL, 0);
codes[1] = (unsigned) strtol(argv[3], NULL, 0);
if(ioctl(fd, EVIOCSKEYCODE, codes))
perror ("EVIOCSKEYCODE");
if(ioctl(fd, EVIOCGKEYCODE, codes)==0)
prtcode(codes);
}
return 0;
}
|
