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https://agent.ghink.cloud/wb2osz/direwolf
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b5d1d1c3dd
modified: .gitattributes modified: APRStt-Implementation-Notes.pdf modified: CHANGES.txt modified: Makefile.linux modified: Makefile.win new file: 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_afsk.c modified: digipeater.c modified: digipeater.h modified: direwolf.c modified: direwolf.conf modified: direwolf.h modified: dsp.c modified: dwgps.c modified: encode_aprs.c modified: encode_aprs.h modified: fsk_demod_state.h new file: grm_sym.h modified: hdlc_rec.c modified: hdlc_rec2.c modified: hdlc_rec2.h modified: kiss.c modified: kiss_frame.c modified: kiss_frame.h modified: kissnet.c modified: latlong.c modified: latlong.h new file: log.c new file: log.h new file: log2gpx.c new file: mgn_icon.h modified: misc/README-dire-wolf.txt modified: multi_modem.c new file: nmea.c new file: nmea.h modified: ptt.c modified: rdq.c modified: regex/README-dire-wolf.txt new file: rpack.h modified: rrbb.c modified: rrbb.h modified: server.c modified: symbols-new.txt modified: symbols.c modified: symbolsX.txt new file: telemetry.c new file: telemetry.h modified: textcolor.c modified: tocalls.txt modified: utm/README.txt modified: version.h modified: xmit.c modified: xmit.h
112 lines
2.4 KiB
C
112 lines
2.4 KiB
C
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#ifndef RRBB_H
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#define RRBB_H
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/* Try something new in version 1.0 */
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/* Get back to this later. Disable for now. */
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//#define SLICENDICE 1
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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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int audio_level; /* 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 fix_bits; /* Level of effort to recover from */
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/* a bad FCS on the frame. */
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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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#if SLICENDICE
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slice_t slice_val;
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slice_t data[MAX_NUM_BITS];
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#else
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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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#endif
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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);
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void rrbb_clear (rrbb_t b, int is_scrambled, int descram_state);
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#if SLICENDICE
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void rrbb2_append_bit (rrbb_t b, float val);
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#else
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void rrbb_append_bit (rrbb_t b, int val);
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#endif
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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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#if SLICENDICE
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void rrbb_set_slice_val (rrbb_t b, slice_t slice_val);
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#endif
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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, int a);
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int 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_fix_bits(rrbb_t b);
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void rrbb_set_fix_bits(rrbb_t b, int fix_bits);
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#endif
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