1*4737161dSpooka /* $NetBSD: kbd.c,v 1.1 2010/01/11 02:16:51 pooka Exp $ */
2*4737161dSpooka
3*4737161dSpooka /*
4*4737161dSpooka * Copyright (c) 2010 Antti Kantee. All Rights Reserved.
5*4737161dSpooka *
6*4737161dSpooka * Redistribution and use in source and binary forms, with or without
7*4737161dSpooka * modification, are permitted provided that the following conditions
8*4737161dSpooka * are met:
9*4737161dSpooka * 1. Redistributions of source code must retain the above copyright
10*4737161dSpooka * notice, this list of conditions and the following disclaimer.
11*4737161dSpooka * 2. Redistributions in binary form must reproduce the above copyright
12*4737161dSpooka * notice, this list of conditions and the following disclaimer in the
13*4737161dSpooka * documentation and/or other materials provided with the distribution.
14*4737161dSpooka *
15*4737161dSpooka * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
16*4737161dSpooka * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17*4737161dSpooka * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18*4737161dSpooka * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19*4737161dSpooka * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20*4737161dSpooka * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21*4737161dSpooka * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22*4737161dSpooka * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23*4737161dSpooka * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24*4737161dSpooka * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25*4737161dSpooka * SUCH DAMAGE.
26*4737161dSpooka */
27*4737161dSpooka
28*4737161dSpooka /*
29*4737161dSpooka * Experimental proof-of-concept program:
30*4737161dSpooka *
31*4737161dSpooka * Read keyboard events from a USB keyboard using rump drivers.
32*4737161dSpooka */
33*4737161dSpooka
34*4737161dSpooka #include <sys/types.h>
35*4737161dSpooka #include <sys/time.h>
36*4737161dSpooka
37*4737161dSpooka #include <dev/wscons/wsconsio.h>
38*4737161dSpooka
39*4737161dSpooka #include <rump/rump.h>
40*4737161dSpooka #include <rump/rump_syscalls.h>
41*4737161dSpooka
42*4737161dSpooka #include <err.h>
43*4737161dSpooka #include <paths.h>
44*4737161dSpooka #include <string.h>
45*4737161dSpooka #include <stdio.h>
46*4737161dSpooka #include <stdlib.h>
47*4737161dSpooka
48*4737161dSpooka #define SHIFT (-0x20)
49*4737161dSpooka
50*4737161dSpooka int
main(int argc,char * argv[])51*4737161dSpooka main(int argc, char *argv[])
52*4737161dSpooka {
53*4737161dSpooka struct wscons_event *wev;
54*4737161dSpooka int shift = 0;
55*4737161dSpooka char buf[128];
56*4737161dSpooka int fd;
57*4737161dSpooka
58*4737161dSpooka rump_boot_sethowto(RUMP_AB_VERBOSE);
59*4737161dSpooka rump_init();
60*4737161dSpooka
61*4737161dSpooka fd = rump_sys_open("/dev/wskbd", 0);
62*4737161dSpooka if (fd == -1)
63*4737161dSpooka err(1, "open");
64*4737161dSpooka
65*4737161dSpooka while (rump_sys_read(fd, buf, sizeof(buf)) > 0) {
66*4737161dSpooka const char *typestr;
67*4737161dSpooka
68*4737161dSpooka /* XXX: timespec in 5.0 vs. -current */
69*4737161dSpooka wev = (void *)buf;
70*4737161dSpooka
71*4737161dSpooka switch (wev->type) {
72*4737161dSpooka case WSCONS_EVENT_KEY_UP:
73*4737161dSpooka typestr = "up";
74*4737161dSpooka if (wev->value == 0xe1 || wev->value == 0xe5)
75*4737161dSpooka shift = 0;
76*4737161dSpooka break;
77*4737161dSpooka case WSCONS_EVENT_KEY_DOWN:
78*4737161dSpooka typestr = "down";
79*4737161dSpooka if (wev->value == 0xe1 || wev->value == 0xe5)
80*4737161dSpooka shift = SHIFT;
81*4737161dSpooka break;
82*4737161dSpooka default:
83*4737161dSpooka typestr = "unknown";
84*4737161dSpooka break;
85*4737161dSpooka }
86*4737161dSpooka printf("event type: %d (%s)\n", wev->type, typestr);
87*4737161dSpooka printf("value 0x%x", wev->value);
88*4737161dSpooka /*
89*4737161dSpooka * There's probably a value-to-readable tool somewhere
90*4737161dSpooka * in the tree, but i'm not sure where or how to use it,
91*4737161dSpooka * so I'll just punt with the supersimple version for now.
92*4737161dSpooka */
93*4737161dSpooka if (wev->value >= 0x04 && wev->value <= 0x1d)
94*4737161dSpooka printf(" (%c)", wev->value - 0x04 + 'a' + shift);
95*4737161dSpooka printf("\n");
96*4737161dSpooka }
97*4737161dSpooka }
98