1 /* 2 * Copyright (c) 1985, 1986 Regents of the University of California. 3 * All rights reserved. The Berkeley software License Agreement 4 * specifies the terms and conditions for redistribution. 5 * 6 * @(#)tablet.h 7.1 (Berkeley) 06/04/86 7 */ 8 9 #ifndef _TABLET_ 10 /* 11 * Tablet line discipline. 12 */ 13 #ifdef KERNEL 14 #include "../h/ioctl.h" 15 #else 16 #include <sys/ioctl.h> 17 #endif 18 19 /* 20 * Reads on the tablet return one of the following 21 * structures, depending on the underlying tablet type. 22 * The first two are defined such that a read of 23 * sizeof (gtcopos) on a non-gtco tablet will return 24 * meaningful info. The in-proximity bit is simulated 25 * where the tablet does not directly provide the information. 26 */ 27 struct tbpos { 28 int xpos, ypos; /* raw x-y coordinates */ 29 short status; /* buttons/pen down */ 30 #define TBINPROX 0100000 /* pen in proximity of tablet */ 31 short scount; /* sample count */ 32 }; 33 34 struct gtcopos { 35 int xpos, ypos; /* raw x-y coordinates */ 36 short status; /* as above */ 37 short scount; /* sample count */ 38 short xtilt, ytilt; /* raw tilt */ 39 short pressure; 40 short pad; /* pad to longword boundary */ 41 }; 42 43 struct polpos { 44 short p_x, p_y, p_z; /* raw 3-space coordinates */ 45 short p_azi, p_pit, p_rol; /* azimuth, pitch, and roll */ 46 short p_stat; /* status, as above */ 47 char p_key; /* calculator input keyboard */ 48 }; 49 50 #define BIOSMODE _IOW(b, 1, int) /* set mode bit(s) */ 51 #define BIOGMODE _IOR(b, 2, int) /* get mode bit(s) */ 52 #define TBMODE 0xfff0 /* mode bits: */ 53 #define TBPOINT 0x0010 /* single point */ 54 #define TBRUN 0x0000 /* runs contin. */ 55 #define TBSTOP 0x0020 /* shut-up */ 56 #define TBGO 0x0000 /* ~TBSTOP */ 57 #define TBTYPE 0x000f /* tablet type: */ 58 #define TBUNUSED 0x0000 59 #define TBHITACHI 0x0001 /* hitachi tablet */ 60 #define TBTIGER 0x0002 /* hitachi tiger */ 61 #define TBGTCO 0x0003 /* gtco */ 62 #define TBPOL 0x0004 /* polhemus 3space */ 63 #define TBHDG 0x0005 /* hdg-1111b, low res */ 64 #define TBHDGHIRES 0x0006 /* hdg-1111b, high res */ 65 #define BIOSTYPE _IOW(b, 3, int) /* set tablet type */ 66 #define BIOGTYPE _IOR(b, 4, int) /* get tablet type*/ 67 #endif 68