dtlk.h 3.5 KB

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  1. #define DTLK_MINOR 0
  2. #define DTLK_IO_EXTENT 0x02
  3. /* ioctl's use magic number of 0xa3 */
  4. #define DTLK_INTERROGATE 0xa390 /* get settings from the DoubleTalk */
  5. #define DTLK_STATUS 0xa391 /* get status from the DoubleTalk */
  6. #define DTLK_CLEAR 0x18 /* stops speech */
  7. #define DTLK_MAX_RETRIES (loops_per_jiffy/(10000/HZ))
  8. /* TTS Port Status Flags */
  9. #define TTS_READABLE 0x80 /* mask for bit which is nonzero if a
  10. byte can be read from the TTS port */
  11. #define TTS_SPEAKING 0x40 /* mask for SYNC bit, which is nonzero
  12. while DoubleTalk is producing
  13. output with TTS, PCM or CVSD
  14. synthesizers or tone generators
  15. (that is, all but LPC) */
  16. #define TTS_SPEAKING2 0x20 /* mask for SYNC2 bit,
  17. which falls to zero up to 0.4 sec
  18. before speech stops */
  19. #define TTS_WRITABLE 0x10 /* mask for RDY bit, which when set to
  20. 1, indicates the TTS port is ready
  21. to accept a byte of data. The RDY
  22. bit goes zero 2-3 usec after
  23. writing, and goes 1 again 180-190
  24. usec later. */
  25. #define TTS_ALMOST_FULL 0x08 /* mask for AF bit: When set to 1,
  26. indicates that less than 300 free
  27. bytes are available in the TTS
  28. input buffer. AF is always 0 in the
  29. PCM, TGN and CVSD modes. */
  30. #define TTS_ALMOST_EMPTY 0x04 /* mask for AE bit: When set to 1,
  31. indicates that less than 300 bytes
  32. of data remain in DoubleTalk's
  33. input (TTS or PCM) buffer. AE is
  34. always 1 in the TGN and CVSD
  35. modes. */
  36. /* LPC speak commands */
  37. #define LPC_5220_NORMAL 0x60 /* 5220 format decoding table, normal rate */
  38. #define LPC_5220_FAST 0x64 /* 5220 format decoding table, fast rate */
  39. #define LPC_D6_NORMAL 0x20 /* D6 format decoding table, normal rate */
  40. #define LPC_D6_FAST 0x24 /* D6 format decoding table, fast rate */
  41. /* LPC Port Status Flags (valid only after one of the LPC
  42. speak commands) */
  43. #define LPC_SPEAKING 0x80 /* mask for TS bit: When set to 1,
  44. indicates the LPC synthesizer is
  45. producing speech.*/
  46. #define LPC_BUFFER_LOW 0x40 /* mask for BL bit: When set to 1,
  47. indicates that the hardware LPC
  48. data buffer has less than 30 bytes
  49. remaining. (Total internal buffer
  50. size = 4096 bytes.) */
  51. #define LPC_BUFFER_EMPTY 0x20 /* mask for BE bit: When set to 1,
  52. indicates that the LPC data buffer
  53. ran out of data (error condition if
  54. TS is also 1). */
  55. /* data returned by Interrogate command */
  56. struct dtlk_settings
  57. {
  58. unsigned short serial_number; /* 0-7Fh:0-7Fh */
  59. unsigned char rom_version[24]; /* null terminated string */
  60. unsigned char mode; /* 0=Character; 1=Phoneme; 2=Text */
  61. unsigned char punc_level; /* nB; 0-7 */
  62. unsigned char formant_freq; /* nF; 0-9 */
  63. unsigned char pitch; /* nP; 0-99 */
  64. unsigned char speed; /* nS; 0-9 */
  65. unsigned char volume; /* nV; 0-9 */
  66. unsigned char tone; /* nX; 0-2 */
  67. unsigned char expression; /* nE; 0-9 */
  68. unsigned char ext_dict_loaded; /* 1=exception dictionary loaded */
  69. unsigned char ext_dict_status; /* 1=exception dictionary enabled */
  70. unsigned char free_ram; /* # pages (truncated) remaining for
  71. text buffer */
  72. unsigned char articulation; /* nA; 0-9 */
  73. unsigned char reverb; /* nR; 0-9 */
  74. unsigned char eob; /* 7Fh value indicating end of
  75. parameter block */
  76. unsigned char has_indexing; /* nonzero if indexing is implemented */
  77. };