Edit File: dtlk.h
#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 */ };