98 lines
2.8 KiB
C
98 lines
2.8 KiB
C
/* $NetBSD: kbd.c,v 1.1 2010/01/11 02:16:51 pooka Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2010 Antti Kantee. All Rights Reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
|
|
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
/*
|
|
* Experimental proof-of-concept program:
|
|
*
|
|
* Read keyboard events from a USB keyboard using rump drivers.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/time.h>
|
|
|
|
#include <dev/wscons/wsconsio.h>
|
|
|
|
#include <rump/rump.h>
|
|
#include <rump/rump_syscalls.h>
|
|
|
|
#include <err.h>
|
|
#include <paths.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#define SHIFT (-0x20)
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
struct wscons_event *wev;
|
|
int shift = 0;
|
|
char buf[128];
|
|
int fd;
|
|
|
|
rump_boot_sethowto(RUMP_AB_VERBOSE);
|
|
rump_init();
|
|
|
|
fd = rump_sys_open("/dev/wskbd", 0);
|
|
if (fd == -1)
|
|
err(1, "open");
|
|
|
|
while (rump_sys_read(fd, buf, sizeof(buf)) > 0) {
|
|
const char *typestr;
|
|
|
|
/* XXX: timespec in 5.0 vs. -current */
|
|
wev = (void *)buf;
|
|
|
|
switch (wev->type) {
|
|
case WSCONS_EVENT_KEY_UP:
|
|
typestr = "up";
|
|
if (wev->value == 0xe1 || wev->value == 0xe5)
|
|
shift = 0;
|
|
break;
|
|
case WSCONS_EVENT_KEY_DOWN:
|
|
typestr = "down";
|
|
if (wev->value == 0xe1 || wev->value == 0xe5)
|
|
shift = SHIFT;
|
|
break;
|
|
default:
|
|
typestr = "unknown";
|
|
break;
|
|
}
|
|
printf("event type: %d (%s)\n", wev->type, typestr);
|
|
printf("value 0x%x", wev->value);
|
|
/*
|
|
* There's probably a value-to-readable tool somewhere
|
|
* in the tree, but i'm not sure where or how to use it,
|
|
* so I'll just punt with the supersimple version for now.
|
|
*/
|
|
if (wev->value >= 0x04 && wev->value <= 0x1d)
|
|
printf(" (%c)", wev->value - 0x04 + 'a' + shift);
|
|
printf("\n");
|
|
}
|
|
}
|