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