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 <machine/console.h> 37 #include "vgl.h" 38 39 static struct termios VGLKeyboardTty; 40 static int VGLKeyboardMode = -1; 41 42 int 43 VGLKeyboardInit(int mode) 44 { 45 static struct termios term; 46 47 ioctl(0, KDGKBMODE, &VGLKeyboardMode); 48 tcgetattr(0, &VGLKeyboardTty); 49 50 term = VGLKeyboardTty; 51 cfmakeraw(&term); 52 term.c_iflag = IGNPAR | IGNBRK; 53 term.c_oflag = 0; 54 term.c_cflag = CREAD | CS8; 55 term.c_lflag &= ~(ICANON | ECHO | ISIG); 56 term.c_cc[VTIME] = 0; 57 term.c_cc[VMIN] = 0; 58 cfsetispeed(&term, 9600); 59 cfsetospeed(&term, 9600); 60 tcsetattr(0, TCSANOW, &term); 61 62 switch (mode) { 63 case VGL_RAWKEYS: 64 ioctl(0, KDSKBMODE, K_RAW); 65 break; 66 case VGL_CODEKEYS: 67 ioctl(0, KDSKBMODE, K_CODE); 68 break; 69 case VGL_XLATEKEYS: 70 ioctl(0, KDSKBMODE, K_XLATE); 71 break; 72 } 73 return 0; 74 } 75 76 void 77 VGLKeyboardEnd() 78 { 79 if (VGLKeyboardMode != -1) { 80 ioctl(0, KDSKBMODE, VGLKeyboardMode); 81 tcsetattr(0, TCSANOW, &VGLKeyboardTty); 82 } 83 } 84 85 int 86 VGLKeyboardGetCh() 87 { 88 unsigned char ch = 0; 89 90 read (0, &ch, 1); 91 return (int)ch; 92 } 93