1 /*- 2 * Copyright (c) 1985, 1986, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 * 7 * @(#)tablet.h 8.3 (Berkeley) 01/04/94 8 */ 9 10 #ifndef _SYS_TABLET_H_ 11 #define _SYS_TABLET_H_ 12 13 /* 14 * Tablet line discipline. 15 */ 16 #include <sys/ioctl.h> 17 18 /* 19 * Reads on the tablet return one of the following structures, depending on 20 * the underlying tablet type. The first two are defined such that a read of 21 * sizeof (gtcopos) on a non-gtco tablet will return meaningful info. The 22 * in-proximity bit is simulated where the tablet does not directly provide 23 * the information. 24 */ 25 struct tbpos { 26 int xpos, ypos; /* raw x-y coordinates */ 27 short status; /* buttons/pen down */ 28 #define TBINPROX 0100000 /* pen in proximity of tablet */ 29 short scount; /* sample count */ 30 }; 31 32 struct gtcopos { 33 int xpos, ypos; /* raw x-y coordinates */ 34 short status; /* as above */ 35 short scount; /* sample count */ 36 short xtilt, ytilt; /* raw tilt */ 37 short pressure; 38 short pad; /* pad to longword boundary */ 39 }; 40 41 struct polpos { 42 short p_x, p_y, p_z; /* raw 3-space coordinates */ 43 short p_azi, p_pit, p_rol; /* azimuth, pitch, and roll */ 44 short p_stat; /* status, as above */ 45 char p_key; /* calculator input keyboard */ 46 }; 47 48 #define BIOSMODE _IOW('b', 1, int) /* set mode bit(s) */ 49 #define BIOGMODE _IOR('b', 2, int) /* get mode bit(s) */ 50 #define TBMODE 0xfff0 /* mode bits: */ 51 #define TBPOINT 0x0010 /* single point */ 52 #define TBRUN 0x0000 /* runs contin. */ 53 #define TBSTOP 0x0020 /* shut-up */ 54 #define TBGO 0x0000 /* ~TBSTOP */ 55 #define TBTYPE 0x000f /* tablet type: */ 56 #define TBUNUSED 0x0 57 #define TBHITACHI 0x1 /* hitachi tablet */ 58 #define TBTIGER 0x2 /* hitachi tiger */ 59 #define TBGTCO 0x3 /* gtco */ 60 #define TBPOL 0x4 /* polhemus 3space */ 61 #define TBHDG 0x5 /* hdg-1111b, low res */ 62 #define TBHDGHIRES 0x6 /* hdg-1111b, high res */ 63 #define TBDIGI 0x7 /* gtco digi-pad, low res */ 64 #define TBDIGIHIRES 0x8 /* gtco digi-pad, high res */ 65 #define BIOSTYPE _IOW('b', 3, int) /* set tablet type */ 66 #define BIOGTYPE _IOR('b', 4, int) /* get tablet type*/ 67 68 #endif /* !_SYS_TABLET_H_ */ 69