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 */ 9 #define TTS_SPEAKING 0x40 /* mask for SYNC bit, which is nonzero 10 * while DoubleTalk is producing 11 * output with TTS, PCM or CVSD 12 * synthesizers or tone generators 13 * (that is, all but LPC) 14 */ 15 #define TTS_SPEAKING2 0x20 /* mask for SYNC2 bit, 16 * which falls to zero up to 0.4 sec 17 * before speech stops 18 */ 19 #define TTS_WRITABLE 0x10 /* mask for RDY bit, which when set to 20 * 1, indicates the TTS port is ready 21 * to accept a byte of data. The RDY 22 * bit goes zero 2-3 usec after 23 * writing, and goes 1 again 180-190 24 * usec later. 25 */ 26 #define TTS_ALMOST_FULL 0x08 /* mask for AF bit: When set to 1, 27 * indicates that less than 300 bytes 28 * are available in the TTS input 29 * buffer. AF is always 0 in the PCM, 30 * TGN and CVSD modes. 31 */ 32 #define TTS_ALMOST_EMPTY 0x04 /* mask for AE bit: When set to 1, 33 * indicates that less than 300 bytes 34 * are remaining in DoubleTalk's input 35 * (TTS or PCM) buffer. AE is always 1 36 * in the TGN and CVSD modes. 37 */ 38 39 /* data returned by Interrogate command */ 40 struct synth_settings { 41 u_short serial_number; /* 0-7Fh:0-7Fh */ 42 u_char rom_version[24]; /* null terminated string */ 43 u_char mode; /* 0=Character; 1=Phoneme; 2=Text */ 44 u_char punc_level; /* nB; 0-7 */ 45 u_char formant_freq; /* nF; 0-9 */ 46 u_char pitch; /* nP; 0-99 */ 47 u_char speed; /* nS; 0-9 */ 48 u_char volume; /* nV; 0-9 */ 49 u_char tone; /* nX; 0-2 */ 50 u_char expression; /* nE; 0-9 */ 51 u_char ext_dict_loaded; /* 1=exception dictionary loaded */ 52 u_char ext_dict_status; /* 1=exception dictionary enabled */ 53 u_char free_ram; /* # pages (truncated) remaining for 54 * text buffer 55 */ 56 u_char articulation; /* nA; 0-9 */ 57 u_char reverb; /* nR; 0-9 */ 58 u_char eob; /* 7Fh value indicating end of 59 * parameter block 60 */ 61 u_char has_indexing; /* nonzero if indexing is implemented */ 62 }; 63