mirror of
https://agent.ghink.cloud/wb2osz/direwolf
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8b81a3226f
new file: A-Better-APRS-Packet-Demodulator-Part-1-1200-baud.pdf new file: A-Better-APRS-Packet-Demodulator-Part-2-9600-baud.pdf modified: APRStt-Implementation-Notes.pdf modified: CHANGES.txt new file: Makefile modified: Makefile.linux modified: Makefile.win deleted: Quick-Start-Guide-Windows.pdf modified: Raspberry-Pi-APRS-Tracker.pdf modified: Raspberry-Pi-APRS.pdf modified: User-Guide.pdf modified: aclients.c modified: aprs_tt.c modified: aprs_tt.h modified: atest.c modified: audio.c modified: audio.h modified: audio_win.c modified: ax25_pad.c modified: ax25_pad.h modified: beacon.c modified: beacon.h modified: config.c modified: config.h modified: decode_aprs.c modified: decode_aprs.h modified: demod.c modified: demod.h modified: demod_9600.c modified: demod_9600.h modified: demod_afsk.c modified: digipeater.c modified: digipeater.h modified: direwolf.c modified: direwolf.conf deleted: direwolf.desktop modified: direwolf.h new file: direwolf.spec new file: direwolf.txt new file: dlq.c new file: dlq.h modified: dsp.c new file: dtime_now.c new file: dtime_now.h modified: dtmf.c modified: dtmf.h new file: dwespeak.bat new file: dwespeak.sh modified: fsk_demod_state.h modified: gen_packets.c modified: gen_tone.c new file: geotranz/README-FIRST.txt new file: geotranz/error_string.c new file: geotranz/error_string.h new file: geotranz/mgrs.c new file: geotranz/mgrs.h new file: geotranz/polarst.c new file: geotranz/polarst.h new file: geotranz/readme.txt new file: geotranz/releasenotes.txt new file: geotranz/tranmerc.c new file: geotranz/tranmerc.h new file: geotranz/ups.c new file: geotranz/ups.h new file: geotranz/usng.c new file: geotranz/usng.h new file: geotranz/utm.c new file: geotranz/utm.h modified: hdlc_rec.c modified: hdlc_rec.h modified: hdlc_rec2.c modified: hdlc_rec2.h modified: hdlc_send.c modified: igate.c modified: igate.h modified: kiss_frame.c modified: kiss_frame.h modified: kissnet.c modified: latlong.c modified: latlong.h modified: ll2utm.c modified: log.c modified: log.h new file: man1/aclients.1 new file: man1/atest.1 new file: man1/decode_aprs.1 new file: man1/direwolf.1 new file: man1/gen_packets.1 new file: man1/ll2utm.1 new file: man1/log2gpx.1 new file: man1/text2tt.1 new file: man1/tt2text.1 new file: man1/utm2ll.1 modified: multi_modem.c modified: multi_modem.h new file: pfilter.c new file: pfilter.h modified: ptt.c modified: ptt.h deleted: pttest.c modified: rdq.c new file: recv.c new file: recv.h modified: redecode.c modified: redecode.h modified: rrbb.c modified: rrbb.h modified: server.c modified: server.h modified: telemetry.c modified: telemetry.h modified: textcolor.c modified: textcolor.h modified: tocalls.txt modified: tq.c modified: tq.h modified: tt_text.c modified: tt_text.h modified: tt_user.c modified: tt_user.h new file: ttcalc.c deleted: udp_test.c deleted: utm/LatLong-UTMconversion.c deleted: utm/LatLong-UTMconversion.h deleted: utm/README.txt deleted: utm/SwissGrid.cpp deleted: utm/UTMConversions.cpp deleted: utm/constants.h modified: utm2ll.c modified: version.h new file: xid.c modified: xmit.c modified: xmit.h
91 lines
2.0 KiB
C
91 lines
2.0 KiB
C
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#ifndef RRBB_H
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#define RRBB_H
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typedef short slice_t;
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#ifdef RRBB_C
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/*
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* Maximum size (in bytes) of an AX.25 frame including the 2 octet FCS.
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*/
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#define MAX_FRAME_LEN ((AX25_MAX_PACKET_LEN) + 2)
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/*
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* Maximum number of bits in AX.25 frame excluding the flags.
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* Adequate for extreme case of bit stuffing after every 5 bits
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* which could never happen.
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*/
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#define MAX_NUM_BITS (MAX_FRAME_LEN * 8 * 6 / 5)
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#define SOI 32
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typedef struct rrbb_s {
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int magic1;
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struct rrbb_s* nextp; /* Next pointer to maintain a queue. */
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int chan; /* Radio channel from which it was received. */
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int subchan; /* Which modem when more than one per channel. */
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alevel_t alevel; /* Received audio level at time of frame capture. */
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unsigned int len; /* Current number of samples in array. */
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int is_scrambled; /* Is data scrambled G3RUH / K9NG style? */
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int descram_state; /* Descrambler state before first data bit of frame. */
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int prev_descram; /* Previous descrambled bit. */
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unsigned int data[(MAX_NUM_BITS+SOI-1)/SOI];
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unsigned int computed_data[MAX_NUM_BITS];
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int magic2;
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} *rrbb_t;
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#else
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/* Hide the implementation. */
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typedef void *rrbb_t;
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#endif
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rrbb_t rrbb_new (int chan, int subchan, int is_scrambled, int descram_state, int prev_descram);
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void rrbb_clear (rrbb_t b, int is_scrambled, int descram_state, int prev_descram);
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void rrbb_append_bit (rrbb_t b, int val);
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void rrbb_chop8 (rrbb_t b);
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int rrbb_get_len (rrbb_t b);
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int rrbb_get_bit (rrbb_t b, unsigned int ind);
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unsigned int rrbb_get_computed_bit (rrbb_t b, unsigned int ind);
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int rrbb_compute_bits (rrbb_t b);
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//void rrbb_flip_bit (rrbb_t b, unsigned int ind);
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void rrbb_delete (rrbb_t b);
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void rrbb_set_nextp (rrbb_t b, rrbb_t np);
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rrbb_t rrbb_get_nextp (rrbb_t b);
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int rrbb_get_chan (rrbb_t b);
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int rrbb_get_subchan (rrbb_t b);
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void rrbb_set_audio_level (rrbb_t b, alevel_t alevel);
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alevel_t rrbb_get_audio_level (rrbb_t b);
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int rrbb_get_is_scrambled (rrbb_t b);
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int rrbb_get_descram_state (rrbb_t b);
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int rrbb_get_prev_descram (rrbb_t b);
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#endif
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