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direwolf/rrbb.h

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Version 1.0 - Initial commit Changes to be committed: new file: .gitattributes new file: .gitignore new file: APRStt-Implementation-Notes.pdf new file: CHANGES.txt new file: LICENSE-dire-wolf.txt new file: LICENSE-other.txt new file: Makefile.linux new file: Makefile.win new file: Quick-Start-Guide-Windows.pdf new file: Raspberry-Pi-APRS.pdf new file: User-Guide.pdf new file: aclients.c new file: aprs_tt.c new file: aprs_tt.h new file: atest.c new file: audio.c new file: audio.h new file: audio_win.c new file: ax25_pad.c new file: ax25_pad.h new file: beacon.c new file: beacon.h new file: config.c new file: config.h new file: decode_aprs.c new file: decode_aprs.h new file: dedupe.c new file: dedupe.h new file: demod.c new file: demod.h new file: demod_9600.c new file: demod_9600.h new file: demod_afsk.c new file: demod_afsk.h new file: digipeater.c new file: digipeater.h new file: direwolf.c new file: direwolf.conf new file: direwolf.desktop new file: direwolf.h new file: dsp.c new file: dsp.h new file: dtmf.c new file: dtmf.h new file: dw-icon.ico new file: dw-icon.png new file: dw-icon.rc new file: dw-start.sh new file: dwgps.c new file: dwgps.h new file: encode_aprs.c new file: encode_aprs.h new file: fcs_calc.c new file: fcs_calc.h new file: fsk_demod_agc.h new file: fsk_demod_state.h new file: fsk_filters.h new file: fsk_gen_filter.h new file: gen_packets.c new file: gen_tone.c new file: gen_tone.h new file: hdlc_rec.c new file: hdlc_rec.h new file: hdlc_rec2.c new file: hdlc_rec2.h new file: hdlc_send.c new file: hdlc_send.h new file: igate.c new file: igate.h new file: kiss.c new file: kiss.h new file: kiss_frame.c new file: kiss_frame.h new file: kissnet.c new file: kissnet.h new file: latlong.c new file: latlong.h new file: ll2utm.c new file: misc/README-dire-wolf.txt new file: misc/strcasestr.c new file: misc/strsep.c new file: misc/strtok_r.c new file: morse.c new file: multi_modem.c new file: multi_modem.h new file: ptt.c new file: ptt.h new file: pttest.c new file: rdq.c new file: rdq.h new file: redecode.c new file: redecode.h new file: regex/COPYING new file: regex/INSTALL new file: regex/LICENSES new file: regex/NEWS new file: regex/README new file: regex/README-dire-wolf.txt new file: regex/re_comp.h new file: regex/regcomp.c new file: regex/regex.c new file: regex/regex.h new file: regex/regex_internal.c new file: regex/regex_internal.h new file: regex/regexec.c new file: rrbb.c new file: rrbb.h new file: server.c new file: server.h new file: symbols-new.txt new file: symbols.c new file: symbols.h new file: symbolsX.txt new file: textcolor.c new file: textcolor.h new file: tocalls.txt new file: tq.c new file: tq.h new file: tt_text.c new file: tt_text.h new file: tt_user.c new file: tt_user.h new file: tune.h new file: udp_test.c new file: utm/LatLong-UTMconversion.c new file: utm/LatLong-UTMconversion.h new file: utm/README.txt new file: utm/SwissGrid.cpp new file: utm/UTMConversions.cpp new file: utm/constants.h new file: utm2ll.c new file: version.h new file: xmit.c new file: xmit.h
2015-07-27 00:35:07 +00:00
#ifndef RRBB_H
#define RRBB_H
/* Try something new in version 1.0 */
/* Get back to this later. Disable for now. */
//#define SLICENDICE 1
typedef short slice_t;
#ifdef RRBB_C
/*
* Maximum size (in bytes) of an AX.25 frame including the 2 octet FCS.
*/
#define MAX_FRAME_LEN ((AX25_MAX_PACKET_LEN) + 2)
/*
* Maximum number of bits in AX.25 frame excluding the flags.
* Adequate for extreme case of bit stuffing after every 5 bits
* which could never happen.
*/
#define MAX_NUM_BITS (MAX_FRAME_LEN * 8 * 6 / 5)
#define SOI 32
typedef struct rrbb_s {
int magic1;
struct rrbb_s* nextp; /* Next pointer to maintain a queue. */
int chan; /* Radio channel from which it was received. */
int subchan; /* Which modem when more than one per channel. */
int audio_level; /* Received audio level at time of frame capture. */
unsigned int len; /* Current number of samples in array. */
int is_scrambled; /* Is data scrambled G3RUH / K9NG style? */
int descram_state; /* Descrambler state before first data bit of frame. */
#if SLICENDICE
slice_t slice_val;
slice_t data[MAX_NUM_BITS];
#else
unsigned int data[(MAX_NUM_BITS+SOI-1)/SOI];
#endif
int magic2;
} *rrbb_t;
#else
/* Hide the implementation. */
typedef void *rrbb_t;
#endif
rrbb_t rrbb_new (int chan, int subchan, int is_scrambled, int descram_state);
void rrbb_clear (rrbb_t b, int is_scrambled, int descram_state);
#if SLICENDICE
void rrbb2_append_bit (rrbb_t b, float val);
#else
void rrbb_append_bit (rrbb_t b, int val);
#endif
void rrbb_chop8 (rrbb_t b);
int rrbb_get_len (rrbb_t b);
#if SLICENDICE
void rrbb_set_slice_val (rrbb_t b, slice_t slice_val);
#endif
int rrbb_get_bit (rrbb_t b, unsigned int ind);
//void rrbb_flip_bit (rrbb_t b, unsigned int ind);
void rrbb_delete (rrbb_t b);
void rrbb_set_nextp (rrbb_t b, rrbb_t np);
rrbb_t rrbb_get_nextp (rrbb_t b);
int rrbb_get_chan (rrbb_t b);
int rrbb_get_subchan (rrbb_t b);
void rrbb_set_audio_level (rrbb_t b, int a);
int rrbb_get_audio_level (rrbb_t b);
int rrbb_get_is_scrambled (rrbb_t b);
int rrbb_get_descram_state (rrbb_t b);
#endif