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/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 1997 Søren Schmidt
* 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
* in this position and unchanged.
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* 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 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <stdio.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <termios.h>
#include <sys/time.h>
#include <sys/fbio.h>
#include <sys/kbio.h>
#include "vgl.h"
static struct termios VGLKeyboardTty;
static int VGLKeyboardMode = -1;
int
VGLKeyboardInit(int mode)
{
static struct termios term;
ioctl(0, KDGKBMODE, &VGLKeyboardMode);
tcgetattr(0, &VGLKeyboardTty);
term = VGLKeyboardTty;
cfmakeraw(&term);
term.c_iflag = IGNPAR | IGNBRK;
term.c_oflag = OPOST | ONLCR;
term.c_cflag = CREAD | CS8;
term.c_lflag &= ~(ICANON | ECHO | ISIG);
term.c_cc[VTIME] = 0;
term.c_cc[VMIN] = 0;
cfsetispeed(&term, 9600);
cfsetospeed(&term, 9600);
tcsetattr(0, TCSANOW | TCSAFLUSH, &term);
switch (mode) {
case VGL_RAWKEYS:
ioctl(0, KDSKBMODE, K_RAW);
break;
case VGL_CODEKEYS:
ioctl(0, KDSKBMODE, K_CODE);
break;
case VGL_XLATEKEYS:
ioctl(0, KDSKBMODE, K_XLATE);
break;
}
return 0;
}
void
VGLKeyboardEnd()
{
if (VGLKeyboardMode != -1) {
ioctl(0, KDSKBMODE, VGLKeyboardMode);
tcsetattr(0, TCSANOW | TCSAFLUSH, &VGLKeyboardTty);
}
}
int
VGLKeyboardGetCh()
{
unsigned char ch = 0;
read (0, &ch, 1);
return (int)ch;
}
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