dtlk.h File Reference

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Data Structures
struct	dtlk_settings

Macros
#define	DTLK_MINOR   0
#define	DTLK_IO_EXTENT   0x02
#define	DTLK_INTERROGATE   0xa390 /* get settings from the DoubleTalk */
#define	DTLK_STATUS   0xa391 /* get status from the DoubleTalk */
#define	DTLK_CLEAR   0x18 /* stops speech */
#define	DTLK_MAX_RETRIES   (loops_per_jiffy/(10000/HZ))
#define	TTS_READABLE
#define	TTS_SPEAKING
#define	TTS_SPEAKING2
#define	TTS_WRITABLE
#define	TTS_ALMOST_FULL
#define	TTS_ALMOST_EMPTY
#define	LPC_5220_NORMAL   0x60 /* 5220 format decoding table, normal rate */
#define	LPC_5220_FAST   0x64 /* 5220 format decoding table, fast rate */
#define	LPC_D6_NORMAL   0x20 /* D6 format decoding table, normal rate */
#define	LPC_D6_FAST   0x24 /* D6 format decoding table, fast rate */
#define	LPC_SPEAKING
#define	LPC_BUFFER_LOW
#define	LPC_BUFFER_EMPTY

Macro Definition Documentation

#define DTLK_CLEAR   0x18 /* stops speech */

Definition at line 9 of file dtlk.h.

#define DTLK_INTERROGATE   0xa390 /* get settings from the DoubleTalk */

Definition at line 5 of file dtlk.h.

#define DTLK_IO_EXTENT   0x02

Definition at line 2 of file dtlk.h.

#define DTLK_MAX_RETRIES   (loops_per_jiffy/(10000/HZ))

Definition at line 11 of file dtlk.h.

#define DTLK_MINOR   0

Definition at line 1 of file dtlk.h.

#define DTLK_STATUS   0xa391 /* get status from the DoubleTalk */

Definition at line 6 of file dtlk.h.

#define LPC_5220_FAST   0x64 /* 5220 format decoding table, fast rate */

Definition at line 23 of file dtlk.h.

#define LPC_5220_NORMAL   0x60 /* 5220 format decoding table, normal rate */

Definition at line 22 of file dtlk.h.

#define LPC_BUFFER_EMPTY

Value:

0x20    /* mask for BE bit: When set to 1,
                   indicates that the LPC data buffer
                   ran out of data (error condition if
                   TS is also 1).  */

Definition at line 31 of file dtlk.h.

#define LPC_BUFFER_LOW

Value:

0x40    /* mask for BL bit: When set to 1,
                   indicates that the hardware LPC
                   data buffer has less than 30 bytes
                   remaining. (Total internal buffer
                   size = 4096 bytes.) */

Definition at line 30 of file dtlk.h.

#define LPC_D6_FAST   0x24 /* D6 format decoding table, fast rate */

Definition at line 25 of file dtlk.h.

#define LPC_D6_NORMAL   0x20 /* D6 format decoding table, normal rate */

Definition at line 24 of file dtlk.h.

#define LPC_SPEAKING

Value:

0x80    /* mask for TS bit: When set to 1,
                   indicates the LPC synthesizer is
                   producing speech.*/

Definition at line 29 of file dtlk.h.

#define TTS_ALMOST_EMPTY

Value:

0x04    /* mask for AE bit: When set to 1,
                   indicates that less than 300 bytes
                   of data remain in DoubleTalk's
                   input (TTS or PCM) buffer. AE is
                   always 1 in the TGN and CVSD
                   modes. */

Definition at line 19 of file dtlk.h.

#define TTS_ALMOST_FULL

Value:

0x08    /* mask for AF bit: When set to 1,
                   indicates that less than 300 free
                   bytes are available in the TTS
                   input buffer. AF is always 0 in the
                   PCM, TGN and CVSD modes. */

Definition at line 18 of file dtlk.h.

#define TTS_READABLE

Value:

0x80    /* mask for bit which is nonzero if a
                   byte can be read from the TTS port */

Definition at line 14 of file dtlk.h.

#define TTS_SPEAKING

Value:

0x40    /* mask for SYNC bit, which is nonzero
                   while DoubleTalk is producing
                   output with TTS, PCM or CVSD
                   synthesizers or tone generators
                   (that is, all but LPC) */

Definition at line 15 of file dtlk.h.

#define TTS_SPEAKING2

Value:

0x20    /* mask for SYNC2 bit,
                   which falls to zero up to 0.4 sec
                   before speech stops */

Definition at line 16 of file dtlk.h.

#define TTS_WRITABLE

Value:

0x10    /* mask for RDY bit, which when set to
                           1, indicates the TTS port is ready
                           to accept a byte of data.  The RDY
                           bit goes zero 2-3 usec after
                           writing, and goes 1 again 180-190
                           usec later. */

Definition at line 17 of file dtlk.h.