Mauro Carvalho Chehab | 8e080c2e | 2009-09-13 22:16:04 -0300 | [diff] [blame] | 1 | <programlisting> |
| 2 | /* keytable.c - This program allows checking/replacing keys at IR |
| 3 | |
| 4 | Copyright (C) 2006-2009 Mauro Carvalho Chehab <mchehab@infradead.org> |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation, version 2 of the License. |
| 9 | |
| 10 | This program is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | GNU General Public License for more details. |
| 14 | */ |
| 15 | |
| 16 | #include <ctype.h> |
| 17 | #include <errno.h> |
| 18 | #include <fcntl.h> |
| 19 | #include <stdio.h> |
| 20 | #include <stdlib.h> |
| 21 | #include <string.h> |
| 22 | #include <linux/input.h> |
| 23 | #include <sys/ioctl.h> |
| 24 | |
| 25 | #include "parse.h" |
| 26 | |
| 27 | void prtcode (int *codes) |
| 28 | { |
| 29 | struct parse_key *p; |
| 30 | |
| 31 | for (p=keynames;p->name!=NULL;p++) { |
| 32 | if (p->value == (unsigned)codes[1]) { |
| 33 | printf("scancode 0x%04x = %s (0x%02x)\n", codes[0], p->name, codes[1]); |
| 34 | return; |
| 35 | } |
| 36 | } |
| 37 | |
| 38 | if (isprint (codes[1])) |
| 39 | printf("scancode %d = '%c' (0x%02x)\n", codes[0], codes[1], codes[1]); |
| 40 | else |
| 41 | printf("scancode %d = 0x%02x\n", codes[0], codes[1]); |
| 42 | } |
| 43 | |
| 44 | int parse_code(char *string) |
| 45 | { |
| 46 | struct parse_key *p; |
| 47 | |
| 48 | for (p=keynames;p->name!=NULL;p++) { |
| 49 | if (!strcasecmp(p->name, string)) { |
| 50 | return p->value; |
| 51 | } |
| 52 | } |
| 53 | return -1; |
| 54 | } |
| 55 | |
| 56 | int main (int argc, char *argv[]) |
| 57 | { |
| 58 | int fd; |
| 59 | unsigned int i, j; |
| 60 | int codes[2]; |
| 61 | |
| 62 | if (argc<2 || argc>4) { |
| 63 | printf ("usage: %s <device> to get table; or\n" |
| 64 | " %s <device> <scancode> <keycode>\n" |
| 65 | " %s <device> <keycode_file>\n",*argv,*argv,*argv); |
| 66 | return -1; |
| 67 | } |
| 68 | |
| 69 | if ((fd = open(argv[1], O_RDONLY)) < 0) { |
| 70 | perror("Couldn't open input device"); |
| 71 | return(-1); |
| 72 | } |
| 73 | |
| 74 | if (argc==4) { |
| 75 | int value; |
| 76 | |
| 77 | value=parse_code(argv[3]); |
| 78 | |
| 79 | if (value==-1) { |
| 80 | value = strtol(argv[3], NULL, 0); |
| 81 | if (errno) |
| 82 | perror("value"); |
| 83 | } |
| 84 | |
| 85 | codes [0] = (unsigned) strtol(argv[2], NULL, 0); |
| 86 | codes [1] = (unsigned) value; |
| 87 | |
| 88 | if(ioctl(fd, EVIOCSKEYCODE, codes)) |
| 89 | perror ("EVIOCSKEYCODE"); |
| 90 | |
| 91 | if(ioctl(fd, EVIOCGKEYCODE, codes)==0) |
| 92 | prtcode(codes); |
| 93 | return 0; |
| 94 | } |
| 95 | |
| 96 | if (argc==3) { |
| 97 | FILE *fin; |
| 98 | int value; |
| 99 | char *scancode, *keycode, s[2048]; |
| 100 | |
| 101 | fin=fopen(argv[2],"r"); |
| 102 | if (fin==NULL) { |
| 103 | perror ("opening keycode file"); |
| 104 | return -1; |
| 105 | } |
| 106 | |
| 107 | /* Clears old table */ |
| 108 | for (j = 0; j < 256; j++) { |
| 109 | for (i = 0; i < 256; i++) { |
| 110 | codes[0] = (j << 8) | i; |
| 111 | codes[1] = KEY_RESERVED; |
| 112 | ioctl(fd, EVIOCSKEYCODE, codes); |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | while (fgets(s,sizeof(s),fin)) { |
| 117 | scancode=strtok(s,"\n\t =:"); |
| 118 | if (!scancode) { |
| 119 | perror ("parsing input file scancode"); |
| 120 | return -1; |
| 121 | } |
| 122 | if (!strcasecmp(scancode, "scancode")) { |
| 123 | scancode = strtok(NULL,"\n\t =:"); |
| 124 | if (!scancode) { |
| 125 | perror ("parsing input file scancode"); |
| 126 | return -1; |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | keycode=strtok(NULL,"\n\t =:("); |
| 131 | if (!keycode) { |
| 132 | perror ("parsing input file keycode"); |
| 133 | return -1; |
| 134 | } |
| 135 | |
| 136 | // printf ("parsing %s=%s:", scancode, keycode); |
| 137 | value=parse_code(keycode); |
| 138 | // printf ("\tvalue=%d\n",value); |
| 139 | |
| 140 | if (value==-1) { |
| 141 | value = strtol(keycode, NULL, 0); |
| 142 | if (errno) |
| 143 | perror("value"); |
| 144 | } |
| 145 | |
| 146 | codes [0] = (unsigned) strtol(scancode, NULL, 0); |
| 147 | codes [1] = (unsigned) value; |
| 148 | |
| 149 | // printf("\t%04x=%04x\n",codes[0], codes[1]); |
| 150 | if(ioctl(fd, EVIOCSKEYCODE, codes)) { |
| 151 | fprintf(stderr, "Setting scancode 0x%04x with 0x%04x via ",codes[0], codes[1]); |
| 152 | perror ("EVIOCSKEYCODE"); |
| 153 | } |
| 154 | |
| 155 | if(ioctl(fd, EVIOCGKEYCODE, codes)==0) |
| 156 | prtcode(codes); |
| 157 | } |
| 158 | return 0; |
| 159 | } |
| 160 | |
| 161 | /* Get scancode table */ |
| 162 | for (j = 0; j < 256; j++) { |
| 163 | for (i = 0; i < 256; i++) { |
| 164 | codes[0] = (j << 8) | i; |
| 165 | if (!ioctl(fd, EVIOCGKEYCODE, codes) && codes[1] != KEY_RESERVED) |
| 166 | prtcode(codes); |
| 167 | } |
| 168 | } |
| 169 | return 0; |
| 170 | } |
| 171 | |
| 172 | </programlisting> |