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Annotation of Net2/sys/tablet.h, revision 1.1

1.1     ! root        1: /*-
        !             2:  * Copyright (c) 1985, 1986 The Regents of the University of California.
        !             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:  * 2. Redistributions in binary form must reproduce the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer in the
        !            12:  *    documentation and/or other materials provided with the distribution.
        !            13:  * 3. All advertising materials mentioning features or use of this software
        !            14:  *    must display the following acknowledgement:
        !            15:  *     This product includes software developed by the University of
        !            16:  *     California, Berkeley and its contributors.
        !            17:  * 4. Neither the name of the University nor the names of its contributors
        !            18:  *    may be used to endorse or promote products derived from this software
        !            19:  *    without specific prior written permission.
        !            20:  *
        !            21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            31:  * SUCH DAMAGE.
        !            32:  *
        !            33:  *     @(#)tablet.h    7.5 (Berkeley) 2/15/91
        !            34:  */
        !            35: 
        !            36: #ifndef _TABLET_H_
        !            37: #define        _TABLET_H_
        !            38: 
        !            39: /*
        !            40:  * Tablet line discipline.
        !            41:  */
        !            42: #ifdef KERNEL
        !            43: #include "../h/ioctl.h"
        !            44: #else
        !            45: #include <sys/ioctl.h>
        !            46: #endif
        !            47: 
        !            48: /*
        !            49:  * Reads on the tablet return one of the following structures, depending on
        !            50:  * the underlying tablet type.  The first two are defined such that a read of
        !            51:  * sizeof (gtcopos) on a non-gtco tablet will return meaningful info.  The
        !            52:  * in-proximity bit is simulated where the tablet does not directly provide
        !            53:  * the information.
        !            54:  */
        !            55: struct tbpos {
        !            56:        int     xpos, ypos;     /* raw x-y coordinates */
        !            57:        short   status;         /* buttons/pen down */
        !            58: #define        TBINPROX        0100000         /* pen in proximity of tablet */
        !            59:        short   scount;         /* sample count */
        !            60: };
        !            61: 
        !            62: struct gtcopos {
        !            63:        int     xpos, ypos;     /* raw x-y coordinates */
        !            64:        short   status;         /* as above */
        !            65:        short   scount;         /* sample count */
        !            66:        short   xtilt, ytilt;   /* raw tilt */
        !            67:        short   pressure;
        !            68:        short   pad;            /* pad to longword boundary */
        !            69: };
        !            70: 
        !            71: struct polpos {
        !            72:        short   p_x, p_y, p_z;  /* raw 3-space coordinates */
        !            73:        short   p_azi, p_pit, p_rol;    /* azimuth, pitch, and roll */
        !            74:        short   p_stat;         /* status, as above */
        !            75:        char    p_key;          /* calculator input keyboard */
        !            76: };
        !            77: 
        !            78: #define BIOSMODE       _IOW('b', 1, int)       /* set mode bit(s) */
        !            79: #define BIOGMODE       _IOR('b', 2, int)       /* get mode bit(s) */
        !            80: #define        TBMODE          0xfff0          /* mode bits: */
        !            81: #define                TBPOINT         0x0010          /* single point */
        !            82: #define                TBRUN           0x0000          /* runs contin. */
        !            83: #define                TBSTOP          0x0020          /* shut-up */
        !            84: #define                TBGO            0x0000          /* ~TBSTOP */
        !            85: #define        TBTYPE          0x000f          /* tablet type: */
        !            86: #define                TBUNUSED        0x0
        !            87: #define                TBHITACHI       0x1             /* hitachi tablet */
        !            88: #define                TBTIGER         0x2             /* hitachi tiger */
        !            89: #define                TBGTCO          0x3             /* gtco */
        !            90: #define                TBPOL           0x4             /* polhemus 3space */
        !            91: #define                TBHDG           0x5             /* hdg-1111b, low res */
        !            92: #define                TBHDGHIRES      0x6             /* hdg-1111b, high res */
        !            93: #define                TBDIGI          0x7             /* gtco digi-pad, low res */
        !            94: #define                TBDIGIHIRES     0x8             /* gtco digi-pad, high res */
        !            95: #define BIOSTYPE       _IOW('b', 3, int)       /* set tablet type */
        !            96: #define BIOGTYPE       _IOR('b', 4, int)       /* get tablet type*/
        !            97: #endif
        !            98: 
        !            99: #endif /* !_TABLET_H_ */

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