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Annotation of src/vfx1.h, revision 1.1

1.1     ! root        1: /*######################################################################
        !             2:                        Type Declaration Section
        !             3: ########################################################################*/
        !             4: 
        !             5: /* VIP I/O Bus Register offsets */
        !             6: #define        VIP_AIR         0x0
        !             7: #define        VIP_CSR         0x1
        !             8: #define        VIP_DFIN        0x2
        !             9: #define        VIP_DFOUT       0x4
        !            10: 
        !            11: /* VIP Internal registers */
        !            12: #define        VIP_SCR          0
        !            13: #define        VIP_SSR          1
        !            14: #define        VIP_ICR          2
        !            15: #define        VIP_ISR          3
        !            16: #define        VIP_PSR          4
        !            17: #define        VIP_VRR          5
        !            18: #define        VIP_PCR          6
        !            19: #define        VIP_PPMR         7
        !            20: #define        VIP_PRAR         8
        !            21: #define        VIP_PWAR         9
        !            22: #define        VIP_PCRR        10
        !            23: 
        !            24: // T.S.R. related type defs.
        !            25: #define SENSE_VECTOR        0x33
        !            26: 
        !            27: #define RESET_DEVICE        0x00
        !            28: #define GET_DATA_SIZES      0x01
        !            29: #define SET_DATA_SIZE       0x02
        !            30: #define GET_CONFIGURATION   0x03
        !            31: #define SET_CONFIGURATION   0x04
        !            32: #define REPORT              0x05
        !            33: #define CONTINUE            0x06
        !            34: #define RESET_ZERO          0x07
        !            35: #define SET_ZERO            0x08
        !            36: #define TEST_DEVICES        0x09
        !            37: #define GET_DEVICE_DATA     0x70;
        !            38: #define SET_DEVICE_DATA     0x71;
        !            39: #define SENSE_DRIVER_STATUS 0x7F
        !            40: #define SET_VIDEO_PAGE      0x80
        !            41: 
        !            42: #define MIN_SENSE_FUNCTION  0x60
        !            43: #define MAX_SENSE_FUNCTION  0x70
        !            44: 
        !            45: #define DCHMS   2
        !            46: #define DCHTD   3
        !            47: #define DCHPD   4
        !            48: #define DCALL   0xFF
        !            49: 
        !            50: #define PRDM    "Forte Technologies, Inc.\0"
        !            51: #define PRDN    "VFX1 CyberPuck\0"
        !            52: 
        !            53: //Address index values for registers.
        !            54: enum air_enum { SCR, SSR, ICR, ISR, PSR, VRR, PCR, PPRR, PRAR, PWAR, PCRA,
        !            55:                NOREG };
        !            56: typedef enum air_enum  AIRVAL;
        !            57: 
        !            58: //Software Command Register codes.
        !            59: #define CPND  128      //Determines command pending bit mask.
        !            60: #define CCHK   64      //Determines command check bit mask.
        !            61: enum cmdcode_enum { NOP, CSTRT, CCONT, RSTRT, RTERM, GSTAT, RSTAT, NOCMD };
        !            62: typedef enum cmdcode_enum  CMDCODE;
        !            63: 
        !            64: //Software Status Register codes.
        !            65: enum statcode_enum { SDOK, SDCNC, SDCFL, SDDNR, SDDNE, SDDFL, SDNOR, SDCNV,
        !            66:         SDSERR };
        !            67: typedef enum statcode_enum  STATCODE;
        !            68: 
        !            69: //Data fifo selection values (IN = data into the VIP, OUT = data out from VIP)
        !            70: enum fifodir_enum {IN, OUT, NODIR};
        !            71: typedef enum fifodir_enum  FIFODIR;
        !            72: 
        !            73: //Packet type values.
        !            74: enum packtyp_enum {NULLP, SYSI, VNDI, SYSC, HMS, SVM, HTD, HPD};
        !            75: typedef enum packtyp_enum  PACKTYP;
        !            76: 
        !            77: //Null packet type.
        !            78: struct cfpack0_struct
        !            79: {
        !            80: unsigned char   psiz;
        !            81: unsigned char   ptyp;
        !            82: };
        !            83: typedef struct cfpack0_struct NULL_CPKT;
        !            84: 
        !            85: //System info configuration packet type.
        !            86: struct cfpack1_struct
        !            87: {
        !            88: unsigned char   psiz;
        !            89: unsigned char   ptyp;
        !            90: unsigned char   dcls;
        !            91: unsigned char   dnum;
        !            92: unsigned char   sstat;
        !            93: unsigned char   vmin;
        !            94: unsigned char   vmaj;
        !            95: char            vipid[4];
        !            96: unsigned short  dfsz;
        !            97: unsigned short  dummy;
        !            98: };
        !            99: typedef struct cfpack1_struct SYSTEM_CPKT;
        !           100: 
        !           101: // Vendor sizes
        !           102: #define MN_SIZE     32
        !           103: #define SNRL_SIZE   16
        !           104: //Vendor info configuration packet type.
        !           105: struct cfpack2_struct
        !           106: {
        !           107: unsigned char   psiz;
        !           108: unsigned char   ptyp;
        !           109: unsigned char   prdm[ MN_SIZE ];
        !           110: unsigned char   prdn[ MN_SIZE ];
        !           111: unsigned char   prdsn[ SNRL_SIZE ];
        !           112: unsigned char   prdrl[ SNRL_SIZE ];
        !           113: };
        !           114: typedef struct cfpack2_struct VENDOR_CPKT;
        !           115: 
        !           116: //Head Mounted System Capabilities structure.
        !           117: struct hmsc_struct
        !           118: {
        !           119: unsigned char aoc : 1; //Audio out capable if set.
        !           120: unsigned char aic : 1; //Audio in capable if set.
        !           121: unsigned char sac : 1; //Stereo audio capable if set.
        !           122: unsigned char cic : 1; //Color image capable if set.
        !           123: unsigned char sic : 1; //Stereo image capable if set.
        !           124: unsigned char hti : 1; //Head Tracker installed.
        !           125: unsigned char dum : 2; //Not used.
        !           126: };
        !           127: typedef struct hmsc_struct HMSC;
        !           128: 
        !           129: //Head Mounted System flags structure.
        !           130: struct hmsf_struct
        !           131: {
        !           132: unsigned char dps : 1; //Disable palette snooping.
        !           133: unsigned char aic : 1; //Delayed flip.
        !           134: unsigned char dum : 5; //Not used
        !           135: unsigned char ddsbl: 1;        //Disable device.
        !           136: };
        !           137: typedef struct hmsf_struct HMSF;
        !           138: 
        !           139: //Head Mounted System configuration packet type.
        !           140: #define VMODSIZE  10
        !           141: struct cfpack3_struct
        !           142: {
        !           143: unsigned char   psiz; //Number of bytes in packet.
        !           144: unsigned char   ptyp; //Packet type. 
        !           145: unsigned char   dcls; // Device class
        !           146: unsigned char   dnum; // Device number
        !           147: HMSF             hmsf; //Head mounted system flags.
        !           148: unsigned char    hmss; //Head mounted system status.
        !           149: unsigned char   vmin; //Minor version for device.
        !           150: unsigned char   vmaj; //Major version for device.
        !           151: HMSC                hmsc; //Head mounted system capabilities.
        !           152: unsigned char   dtyp; //Display type.
        !           153: unsigned short  vmag; //Visual magnification in units of 0.001.
        !           154: unsigned short  hfov; //Horizontal full FOV in units of 0.25 deg.
        !           155: unsigned short  vfov; //Vertical full FOV in units of 0.25 deg.
        !           156: unsigned char   ipd;  //Interpupillary distance in units of 0.5 mm.
        !           157: signed char         hoao; //Horizontal optical axis offset in units of .1 mm.
        !           158: signed char         voao; //Vertical optical axis offset in units of .1 mm.
        !           159: signed char         oar;  //Optical axis rotation in units of 0.25 deg.
        !           160: unsigned char   mrr;  //Max refresh rate in Hz.
        !           161: unsigned char   cvm;  //Current video mode.
        !           162: unsigned char   reserved;        
        !           163: unsigned char   vmsp; //Number of Vesa modes supported.
        !           164: unsigned short  vmod[VMODSIZE]; //Supported VESA modes.  Field currently
        !           165:                           //allows up to 10 supported modes.  Packet in fifo
        !           166:                           //may have any number of supported modes present.
        !           167: };
        !           168: typedef struct cfpack3_struct HMS_CPKT;
        !           169: 
        !           170: //Rotational Coordinate Flags structure.
        !           171: struct rtcf_struct
        !           172: {
        !           173: unsigned char rtc  : 1;  //Return to center device (1=yes).
        !           174: unsigned char wrp  : 1;  //Coordiante values wrap (1=yes).
        !           175: unsigned char zpsr : 1;  //Zero position resetable (1=yes).
        !           176: unsigned char rdg  : 1;  //Rotational data generated (1=yes).
        !           177: unsigned char dum  : 3;  //Not used.
        !           178: unsigned char den  : 1;  //Data reporting enabled (1=yes).
        !           179: };
        !           180: typedef struct rtcf_struct RTCF;
        !           181: 
        !           182: //Rotation Coordinate Descriptor structure.
        !           183: struct rtcd_struct
        !           184: {
        !           185: signed short   maxv;
        !           186: signed short   minv;
        !           187: unsigned short steps;
        !           188: RTCF           rcf;
        !           189: unsigned char  dum;
        !           190: };
        !           191: typedef struct rtcd_struct RTCD;
        !           192: 
        !           193: //Head tracker flags structure.
        !           194: struct htf_struct
        !           195: {
        !           196: unsigned char dum  : 7;  //Not used.
        !           197: unsigned char ddsbl: 1;  //Data reporting enabled (1=yes).
        !           198: };
        !           199: typedef struct htf_struct HTF;
        !           200: 
        !           201: //Head Tracker Device configuration packet.
        !           202: struct cfpack4_struct
        !           203: {
        !           204: unsigned char   psiz;
        !           205: unsigned char   ptyp;
        !           206: unsigned char   dcls;
        !           207: unsigned char   dnum;
        !           208: HTF              htf; //Head tracker flag (disable device if set).
        !           209: unsigned char    hts; //Head tracker status.
        !           210: unsigned char   vmin; //Minor version for tracker.
        !           211: unsigned char   vmaj; //Major version for tracker.
        !           212: RTCD            ywcd;
        !           213: RTCD            ptcd;
        !           214: RTCD            rlcd;
        !           215: };
        !           216: typedef struct cfpack4_struct HTD_CPKT;
        !           217: 
        !           218: //Button Descriptor structure.
        !           219: struct btds_struct
        !           220: {
        !           221: unsigned char nbtn;     //Number of buttons/switches on device.
        !           222: unsigned char cnck : 1;  //Counts clicks (1=yes).
        !           223: unsigned char dum  : 6;  //Not used.
        !           224: unsigned char den  : 1;  //Data reporting enabled (1=yes).
        !           225: };
        !           226: typedef struct btds_struct BTDS;
        !           227: 
        !           228: //Hand held device Flags structure.
        !           229: struct hhpf_struct
        !           230: {
        !           231: unsigned char hhpp : 2;  //Hand held pointer prority (0=highest).
        !           232: unsigned char dum  : 4;  //Not used.
        !           233: unsigned char ddsbl: 1;  //Data reporting enabled (1=yes).
        !           234: };
        !           235: typedef struct hhpf_struct HHPF;
        !           236: 
        !           237: //Hand-held Pointing Device configuration packet.
        !           238: struct cfpack5_struct
        !           239: {
        !           240: unsigned char   psiz;
        !           241: unsigned char   ptyp;
        !           242: unsigned char   dcls;
        !           243: unsigned char   dnum;
        !           244: HHPF             hhpf; //Hand held flag (disable device if set).
        !           245: unsigned char    hhps; //Head tracker status.
        !           246: unsigned char   vmin; //Minor version for tracker.
        !           247: unsigned char   vmaj; //Major version for tracker.
        !           248: RTCD            ywcd;
        !           249: RTCD            ptcd;
        !           250: RTCD            rlcd;
        !           251: BTDS            btcd;
        !           252: };
        !           253: typedef struct cfpack5_struct HPD_CPKT;
        !           254: 
        !           255: struct cfpack6_struct
        !           256: {
        !           257: unsigned char   psiz; //Number of bytes in packet.
        !           258: unsigned char   ptyp; //Packet type. 
        !           259: unsigned char   dcls; // Device class
        !           260: unsigned char   dnum; // Device number
        !           261: HMSF             hmsf; //Head mounted system flags.
        !           262: unsigned char    vmod; //Head mounted video mode.
        !           263: };
        !           264: typedef struct cfpack6_struct SVM_CPKT;
        !           265: 

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