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Makefile.am
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Makefile.in
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README
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bsd_audioirig.h
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i8253.h
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parsestreams.h
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pcl720.h
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ppsclock.h
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timex.h
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tpro.h
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tt560_api.h
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Editing: bsd_audioirig.h
/* * $Header: bsd_audioirig.h,v 1.0 93/08/02 12:42:00 */ #ifndef _BSD_AUDIOIRIG_H_ #define _BSD_AUDIOIRIG_H_ #include <sys/time.h> /********************************************************************/ /* user interface */ /* * irig ioctls */ #if defined(__STDC__) || (!defined(sun) && !defined(ibm032) && !defined(__GNUC)) #define AUDIO_IRIG_OPEN _IO('A', 50) #define AUDIO_IRIG_CLOSE _IO('A', 51) #define AUDIO_IRIG_SETFORMAT _IOWR('A', 52, int) #else #define AUDIO_IRIG_OPEN _IO(A, 50) #define AUDIO_IRIG_CLOSE _IO(A, 51) #define AUDIO_IRIG_SETFORMAT _IOWR(A, 52, int) #endif /* * irig error codes */ #define AUDIO_IRIG_BADSIGNAL 0x01 #define AUDIO_IRIG_BADDATA 0x02 #define AUDIO_IRIG_BADSYNC 0x04 #define AUDIO_IRIG_BADCLOCK 0x08 #define AUDIO_IRIG_OLDDATA 0x10 /********************************************************************/ /* * auib definitions */ #define AUIB_SIZE (0x0040) #define AUIB_INC (0x0008) #define AUIB_MOD(k) ((k) & 0x0038) #define AUIB_INIT(ib) ((ib)->ib_head = (ib)->ib_tail = (ib)->ib_lock = \ (ib)->phase = (ib)->shi = (ib)->slo = (ib)->high = \ (ib)->level0 = (ib)->level1 = \ (ib)->shift[0] = (ib)->shift[1] = (ib)->shift[2] = \ (ib)->shift[3] = (ib)->sdata[0] = (ib)->sdata[1] = \ (ib)->sdata[2] = (ib)->sdata[3] = (ib)->err = 0) #define AUIB_EMPTY(ib) ((ib)->ib_head == (ib)->ib_tail) #define AUIB_LEN(ib) (AUIB_MOD((ib)->ib_tail - (ib)->ib_head)) #define AUIB_LEFT(ib) (AUIB_MOD((ib)->ib_head - (ib)->ib_tail - 1)) #define IRIGDELAY 3 #define IRIGLEVEL 1355 #ifndef LOCORE /* * irig_time holds IRIG data for one second */ struct irig_time { struct timeval stamp; /* timestamp */ u_char bits[13]; /* 100 irig data bits */ u_char status; /* status byte */ char time[14]; /* time string */ }; /* * auib's are used for IRIG data communication between the trap * handler and the software interrupt. */ struct auib { /* driver variables */ u_short active; /* 0=inactive, else=active */ u_short format; /* time output format */ struct irig_time timestr; /* time structure */ char buffer[14]; /* output formation buffer */ /* hardware interrupt variables */ struct timeval tv1,tv2,tv3; /* time stamps (median filter) */ int level0,level1; /* lo/hi input levels */ int level; /* decision level */ int high; /* recent largest sample */ int sl0,sl1; /* recent sample levels */ int lasts; /* last sample value */ u_short scount; /* sample count */ u_long eacc; /* 10-bit element accumulator */ u_long ebit; /* current bit in element */ u_char r_level,mmr1; /* recording level 0-255 */ int shi,slo,phase; /* AGC variables */ u_long err; /* error status bits */ int ecount; /* count of elements this second */ long shift[4]; /* shift register of pos ident */ long sdata[4]; /* shift register of symbols */ int ib_head; /* queue head */ int ib_tail; /* queue tail */ u_short ib_lock; /* queue head lock */ u_long ib_data[AUIB_SIZE]; /* data buffer */ }; #endif #endif /* _BSD_AUDIOIRIG_H_ */
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