1 /*- 2 * Copyright (c) 1997 S�ren Schmidt 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer 10 * in this position and unchanged. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software withough specific prior written permission 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #include <stdio.h> 32 #include <sys/types.h> 33 #include <sys/ioctl.h> 34 #include <termios.h> 35 #include <sys/time.h> 36 #include <sys/fbio.h> 37 #include <sys/kbio.h> 38 #include "vgl.h" 39 40 static struct termios VGLKeyboardTty; 41 static int VGLKeyboardMode = -1; 42 43 int 44 VGLKeyboardInit(int mode) 45 { 46 static struct termios term; 47 48 ioctl(0, KDGKBMODE, &VGLKeyboardMode); 49 tcgetattr(0, &VGLKeyboardTty); 50 51 term = VGLKeyboardTty; 52 cfmakeraw(&term); 53 term.c_iflag = IGNPAR | IGNBRK; 54 term.c_oflag = OPOST | ONLCR; 55 term.c_cflag = CREAD | CS8; 56 term.c_lflag &= ~(ICANON | ECHO | ISIG); 57 term.c_cc[VTIME] = 0; 58 term.c_cc[VMIN] = 0; 59 cfsetispeed(&term, 9600); 60 cfsetospeed(&term, 9600); 61 tcsetattr(0, TCSANOW | TCSAFLUSH, &term); 62 63 switch (mode) { 64 case VGL_RAWKEYS: 65 ioctl(0, KDSKBMODE, K_RAW); 66 break; 67 case VGL_CODEKEYS: 68 ioctl(0, KDSKBMODE, K_CODE); 69 break; 70 case VGL_XLATEKEYS: 71 ioctl(0, KDSKBMODE, K_XLATE); 72 break; 73 } 74 return 0; 75 } 76 77 void 78 VGLKeyboardEnd() 79 { 80 if (VGLKeyboardMode != -1) { 81 ioctl(0, KDSKBMODE, VGLKeyboardMode); 82 tcsetattr(0, TCSANOW | TCSAFLUSH, &VGLKeyboardTty); 83 } 84 } 85 86 int 87 VGLKeyboardGetCh() 88 { 89 unsigned char ch = 0; 90 91 read (0, &ch, 1); 92 return (int)ch; 93 } 94