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/*
* multimon.h -- Monitor for many different modulation formats
*
* Added eas parts - A. Maitland Bottoms 27 June 2000
*
* Copyright (C) 1996
* Thomas Sailer (sailer@ife.ee.ethz.ch, hb9jnx@hb9w.che.eu)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* ---------------------------------------------------------------------- */
#ifndef _MULTIMON_H
#define _MULTIMON_H
/* ---------------------------------------------------------------------- */
extern const float costabf[0x400];
#define COS(x) costabf[(((x)>>6)&0x3ffu)]
#define SIN(x) COS((x)+0xc000)
/* ---------------------------------------------------------------------- */
struct demod_state {
const struct demod_param *dem_par;
union {
struct l2_state_hdlc {
unsigned char rxbuf[512];
unsigned char *rxptr;
unsigned int rxstate;
unsigned int rxbitstream;
unsigned int rxbitbuf;
} hdlc;
struct l2_state_pocsag {
unsigned long rx_data;
struct l2_pocsag_rx {
unsigned char rx_sync;
unsigned char rx_word;
unsigned char rx_bit;
char func;
unsigned long adr;
unsigned char buffer[128];
unsigned int numnibbles;
} rx[2];
} pocsag;
} l2;
union {
struct l1_state_poc5 {
unsigned int dcd_shreg;
unsigned int sphase;
unsigned int subsamp;
} poc5;
struct l1_state_poc12 {
unsigned int dcd_shreg;
unsigned int sphase;
unsigned int subsamp;
} poc12;
struct l1_state_poc24 {
unsigned int dcd_shreg;
unsigned int sphase;
} poc24;
struct l1_state_eas {
unsigned int dcd_shreg;
unsigned int sphase;
unsigned int lasts;
unsigned int subsamp;
} eas;
struct l1_state_afsk12 {
unsigned int dcd_shreg;
unsigned int sphase;
unsigned int lasts;
unsigned int subsamp;
} afsk12;
struct l1_state_afsk24 {
unsigned int dcd_shreg;
unsigned int sphase;
unsigned int lasts;
} afsk24;
struct l1_state_hapn48 {
unsigned int shreg;
unsigned int sphase;
float lvllo, lvlhi;
} hapn48;
struct l1_state_fsk96 {
unsigned int dcd_shreg;
unsigned int sphase;
unsigned int descram;
} fsk96;
struct l1_state_dtmf {
unsigned int ph[8];
float energy[4];
float tenergy[4][16];
int blkcount;
int lastch;
} dtmf;
struct l1_state_zvei {
unsigned int ph[16];
float energy[4];
float tenergy[4][32];
int blkcount;
int lastch;
} zvei;
struct l1_state_ccir {
unsigned int ph[16];
float energy[4];
float tenergy[4][32];
int blkcount;
int lastch;
} ccir;
struct l1_state_scope {
int datalen;
int dispnum;
float data[512];
} scope;
} l1;
};
struct demod_param {
const char *name;
unsigned int samplerate;
unsigned int overlap;
void (*init)(struct demod_state *s);
void (*demod)(struct demod_state *s, float *buffer, int length);
};
/* ---------------------------------------------------------------------- */
extern const struct demod_param demod_poc5;
extern const struct demod_param demod_poc12;
extern const struct demod_param demod_poc24;
extern const struct demod_param demod_eas;
extern const struct demod_param demod_afsk1200;
extern const struct demod_param demod_afsk2400;
extern const struct demod_param demod_afsk2400_2;
extern const struct demod_param demod_hapn4800;
extern const struct demod_param demod_fsk9600;
extern const struct demod_param demod_dtmf;
extern const struct demod_param demod_zvei;
extern const struct demod_param demod_ccir;
extern const struct demod_param demod_scope;
#define ALL_DEMOD &demod_poc5, &demod_poc12, &demod_poc24, &demod_eas, \
&demod_afsk1200, &demod_afsk2400, &demod_afsk2400_2, &demod_hapn4800, \
&demod_fsk9600, &demod_dtmf, &demod_zvei, &demod_ccir, &demod_scope
/* ---------------------------------------------------------------------- */
void verbprintf(int verb_level, const char *fmt, ...);
void hdlc_init(struct demod_state *s);
void hdlc_rxbit(struct demod_state *s, int bit);
void pocsag_init(struct demod_state *s);
void pocsag_rxbit(struct demod_state *s, int bit);
void xdisp_terminate(int cnum);
int xdisp_start(void);
int xdisp_update(int cnum, float *f);
/* ---------------------------------------------------------------------- */
#endif /* _MULTIMON_H */
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