dtlk.h
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:4k
- #if 0
- #define TRACE_TXT(text)
- {
- if(dtlk_trace)
- {
- console_print(text);
- console_print("n");
- }
- }
- #define TRACE_CHR(chr)
- {
- if(dtlk_trace)
- console_print(chr);
- }
- #endif
- #define DTLK_MINOR 0
- #define DTLK_IO_EXTENT 0x02
- /* ioctl's use magic number of 0xa3 */
- #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))
- /* TTS Port Status Flags */
- #define TTS_READABLE 0x80 /* mask for bit which is nonzero if a
- byte can be read from the TTS port */
- #define TTS_SPEAKING 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) */
- #define TTS_SPEAKING2 0x20 /* mask for SYNC2 bit,
- which falls to zero up to 0.4 sec
- before speech stops */
- #define TTS_WRITABLE 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. */
- #define TTS_ALMOST_FULL 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. */
- #define TTS_ALMOST_EMPTY 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. */
- /* LPC speak commands */
- #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 */
- /* LPC Port Status Flags (valid only after one of the LPC
- speak commands) */
- #define LPC_SPEAKING 0x80 /* mask for TS bit: When set to 1,
- indicates the LPC synthesizer is
- producing speech.*/
- #define LPC_BUFFER_LOW 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.) */
- #define LPC_BUFFER_EMPTY 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). */
- /* data returned by Interrogate command */
- struct dtlk_settings
- {
- unsigned short serial_number; /* 0-7Fh:0-7Fh */
- unsigned char rom_version[24]; /* null terminated string */
- unsigned char mode; /* 0=Character; 1=Phoneme; 2=Text */
- unsigned char punc_level; /* nB; 0-7 */
- unsigned char formant_freq; /* nF; 0-9 */
- unsigned char pitch; /* nP; 0-99 */
- unsigned char speed; /* nS; 0-9 */
- unsigned char volume; /* nV; 0-9 */
- unsigned char tone; /* nX; 0-2 */
- unsigned char expression; /* nE; 0-9 */
- unsigned char ext_dict_loaded; /* 1=exception dictionary loaded */
- unsigned char ext_dict_status; /* 1=exception dictionary enabled */
- unsigned char free_ram; /* # pages (truncated) remaining for
- text buffer */
- unsigned char articulation; /* nA; 0-9 */
- unsigned char reverb; /* nR; 0-9 */
- unsigned char eob; /* 7Fh value indicating end of
- parameter block */
- unsigned char has_indexing; /* nonzero if indexing is implemented */
- };