| 1 | /* vi: set sw=4 ts=4: */
|
|---|
| 2 | /*
|
|---|
| 3 | * setkeycodes
|
|---|
| 4 | *
|
|---|
| 5 | * Copyright (C) 1994-1998 Andries E. Brouwer <aeb@cwi.nl>
|
|---|
| 6 | *
|
|---|
| 7 | * Adjusted for BusyBox by Erik Andersen <andersen@codepoet.org>
|
|---|
| 8 | *
|
|---|
| 9 | * This program is free software; you can redistribute it and/or modify
|
|---|
| 10 | * it under the terms of the GNU General Public License as published by
|
|---|
| 11 | * the Free Software Foundation; either version 2 of the License, or
|
|---|
| 12 | * (at your option) any later version.
|
|---|
| 13 | *
|
|---|
| 14 | * This program is distributed in the hope that it will be useful,
|
|---|
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|---|
| 17 | * General Public License for more details.
|
|---|
| 18 | *
|
|---|
| 19 | * You should have received a copy of the GNU General Public License
|
|---|
| 20 | * along with this program; if not, write to the Free Software
|
|---|
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|---|
| 22 | *
|
|---|
| 23 | */
|
|---|
| 24 |
|
|---|
| 25 | #include <stdio.h>
|
|---|
| 26 | #include <stdlib.h>
|
|---|
| 27 | #include <fcntl.h>
|
|---|
| 28 | #include <sys/ioctl.h>
|
|---|
| 29 | #include "busybox.h"
|
|---|
| 30 |
|
|---|
| 31 |
|
|---|
| 32 | /* From <linux/kd.h> */
|
|---|
| 33 | struct kbkeycode {
|
|---|
| 34 | unsigned int scancode, keycode;
|
|---|
| 35 | };
|
|---|
| 36 | enum {
|
|---|
| 37 | KDSETKEYCODE = 0x4B4D /* write kernel keycode table entry */
|
|---|
| 38 | };
|
|---|
| 39 |
|
|---|
| 40 | extern int
|
|---|
| 41 | setkeycodes_main(int argc, char** argv)
|
|---|
| 42 | {
|
|---|
| 43 | char *ep;
|
|---|
| 44 | int fd, sc;
|
|---|
| 45 | struct kbkeycode a;
|
|---|
| 46 |
|
|---|
| 47 | if (argc % 2 != 1 || argc < 2) {
|
|---|
| 48 | bb_show_usage();
|
|---|
| 49 | }
|
|---|
| 50 |
|
|---|
| 51 | fd = get_console_fd();
|
|---|
| 52 |
|
|---|
| 53 | while (argc > 2) {
|
|---|
| 54 | a.keycode = atoi(argv[2]);
|
|---|
| 55 | a.scancode = sc = strtol(argv[1], &ep, 16);
|
|---|
| 56 | if (*ep) {
|
|---|
| 57 | bb_error_msg_and_die("error reading SCANCODE: '%s'", argv[1]);
|
|---|
| 58 | }
|
|---|
| 59 | if (a.scancode > 127) {
|
|---|
| 60 | a.scancode -= 0xe000;
|
|---|
| 61 | a.scancode += 128;
|
|---|
| 62 | }
|
|---|
| 63 | if (a.scancode > 255 || a.keycode > 127) {
|
|---|
| 64 | bb_error_msg_and_die("SCANCODE or KEYCODE outside bounds");
|
|---|
| 65 | }
|
|---|
| 66 | if (ioctl(fd,KDSETKEYCODE,&a)) {
|
|---|
| 67 | perror("KDSETKEYCODE");
|
|---|
| 68 | bb_error_msg_and_die("failed to set SCANCODE %x to KEYCODE %d", sc, a.keycode);
|
|---|
| 69 | }
|
|---|
| 70 | argc -= 2;
|
|---|
| 71 | argv += 2;
|
|---|
| 72 | }
|
|---|
| 73 | return EXIT_SUCCESS;
|
|---|
| 74 | }
|
|---|
