1 /* speakup_dtlk.h - header file for speakups DoubleTalk driver. */ 2 3 #define SYNTH_IO_EXTENT 0x02 4 #define SYNTH_CLEAR 0x18 /* stops speech */ 5 /* TTS Port Status Flags */ 6 #define TTS_READABLE 0x80 /* mask for bit which is nonzero if a 7 byte can be read from the TTS port */ 8 #define TTS_SPEAKING 0x40 /* mask for SYNC bit, which is nonzero 9 while DoubleTalk is producing 10 output with TTS, PCM or CVSD 11 synthesizers or tone generators 12 (that is, all but LPC) */ 13 #define TTS_SPEAKING2 0x20 /* mask for SYNC2 bit, 14 which falls to zero up to 0.4 sec 15 before speech stops */ 16 #define TTS_WRITABLE 0x10 /* mask for RDY bit, which when set to 17 1, indicates the TTS port is ready 18 to accept a byte of data. The RDY 19 bit goes zero 2-3 usec after 20 writing, and goes 1 again 180-190 21 usec later. */ 22 #define TTS_ALMOST_FULL 0x08 /* mask for AF bit: When set to 1, 23 indicates that less than 300 bytes 24 are available in the TTS input 25 buffer. AF is always 0 in the PCM, 26 TGN and CVSD modes. */ 27 #define TTS_ALMOST_EMPTY 0x04 /* mask for AE bit: When set to 1, 28 indicates that less than 300 bytes 29 are remaining in DoubleTalk's input 30 (TTS or PCM) buffer. AE is always 1 31 in the TGN and CVSD modes. */ 32 33 /* data returned by Interrogate command */ 34 struct synth_settings { 35 u_short serial_number; /* 0-7Fh:0-7Fh */ 36 u_char rom_version[24]; /* null terminated string */ 37 u_char mode; /* 0=Character; 1=Phoneme; 2=Text */ 38 u_char punc_level; /* nB; 0-7 */ 39 u_char formant_freq; /* nF; 0-9 */ 40 u_char pitch; /* nP; 0-99 */ 41 u_char speed; /* nS; 0-9 */ 42 u_char volume; /* nV; 0-9 */ 43 u_char tone; /* nX; 0-2 */ 44 u_char expression; /* nE; 0-9 */ 45 u_char ext_dict_loaded; /* 1=exception dictionary loaded */ 46 u_char ext_dict_status; /* 1=exception dictionary enabled */ 47 u_char free_ram; /* # pages (truncated) remaining for 48 * text buffer */ 49 u_char articulation; /* nA; 0-9 */ 50 u_char reverb; /* nR; 0-9 */ 51 u_char eob; /* 7Fh value indicating end of 52 * parameter block */ 53 u_char has_indexing; /* nonzero if indexing is implemented */ 54 }; 55