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
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
/* keytable.c - This program allows checking/replacing keys at IR
Copyright (C) 2006-2009 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 <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <linux/input.h>
#include <sys/ioctl.h>
#include "parse.h"
void prtcode (int *codes)
{
struct parse_key *p;
for (p=keynames;p->name!=NULL;p++) {
if (p->value == (unsigned)codes[1]) {
printf("scancode 0x%04x = %s (0x%02x)\n", codes[0], p->name, codes[1]);
return;
}
}
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 parse_code(char *string)
{
struct parse_key *p;
for (p=keynames;p->name!=NULL;p++) {
if (!strcasecmp(p->name, string)) {
return p->value;
}
}
return -1;
}
int main (int argc, char *argv[])
{
int fd;
unsigned int i, j;
int codes[2];
if (argc<2 || argc>4) {
printf ("usage: %s <device> to get table; or\n"
" %s <device> <scancode> <keycode>\n"
" %s <device> <keycode_file>\n",*argv,*argv,*argv);
return -1;
}
if ((fd = open(argv[1], O_RDONLY)) < 0) {
perror("Couldn't open input device");
return(-1);
}
if (argc==4) {
int value;
value=parse_code(argv[3]);
if (value==-1) {
value = strtol(argv[3], NULL, 0);
if (errno)
perror("value");
}
codes [0] = (unsigned) strtol(argv[2], NULL, 0);
codes [1] = (unsigned) value;
if(ioctl(fd, EVIOCSKEYCODE, codes))
perror ("EVIOCSKEYCODE");
if(ioctl(fd, EVIOCGKEYCODE, codes)==0)
prtcode(codes);
return 0;
}
if (argc==3) {
FILE *fin;
int value;
char *scancode, *keycode, s[2048];
fin=fopen(argv[2],"r");
if (fin==NULL) {
perror ("opening keycode file");
return -1;
}
/* Clears old table */
for (j = 0; j < 256; j++) {
for (i = 0; i < 256; i++) {
codes[0] = (j << 8) | i;
codes[1] = KEY_RESERVED;
ioctl(fd, EVIOCSKEYCODE, codes);
}
}
while (fgets(s,sizeof(s),fin)) {
scancode=strtok(s,"\n\t =:");
if (!scancode) {
perror ("parsing input file scancode");
return -1;
}
if (!strcasecmp(scancode, "scancode")) {
scancode = strtok(NULL,"\n\t =:");
if (!scancode) {
perror ("parsing input file scancode");
return -1;
}
}
keycode=strtok(NULL,"\n\t =:(");
if (!keycode) {
perror ("parsing input file keycode");
return -1;
}
// printf ("parsing %s=%s:", scancode, keycode);
value=parse_code(keycode);
// printf ("\tvalue=%d\n",value);
if (value==-1) {
value = strtol(keycode, NULL, 0);
if (errno)
perror("value");
}
codes [0] = (unsigned) strtol(scancode, NULL, 0);
codes [1] = (unsigned) value;
// printf("\t%04x=%04x\n",codes[0], codes[1]);
if(ioctl(fd, EVIOCSKEYCODE, codes)) {
fprintf(stderr, "Setting scancode 0x%04x with 0x%04x via ",codes[0], codes[1]);
perror ("EVIOCSKEYCODE");
}
if(ioctl(fd, EVIOCGKEYCODE, codes)==0)
prtcode(codes);
}
return 0;
}
/* Get scancode table */
for (j = 0; j < 256; j++) {
for (i = 0; i < 256; i++) {
codes[0] = (j << 8) | i;
if (!ioctl(fd, EVIOCGKEYCODE, codes) && codes[1] != KEY_RESERVED)
prtcode(codes);
}
}
return 0;
}
|
