rtl_433/include/rtl_433.h
2017-06-09 22:13:11 +02:00

84 lines
2.6 KiB
C
Executable file

#ifndef INCLUDE_RTL_433_H_
#define INCLUDE_RTL_433_H_
#include <errno.h>
#include <signal.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <stdint.h>
#include "rtl_433_devices.h"
#include "bitbuffer.h"
#include "data.h"
#ifndef _WIN32
#include <unistd.h>
#else
#include <windows.h>
#include <io.h>
#include <fcntl.h>
#ifndef __MINGW32__
#include "getopt/getopt.h"
#else
#include <getopt.h>
#endif
#endif
#define DEFAULT_SAMPLE_RATE 250000
#define DEFAULT_FREQUENCY 433920000
#define DEFAULT_HOP_TIME (60*10)
#define DEFAULT_HOP_EVENTS 2
#define DEFAULT_ASYNC_BUF_NUMBER 32
#define DEFAULT_BUF_LENGTH (16 * 16384)
/*
* Theoretical high level at I/Q saturation is 128x128 = 16384 (above is ripple)
* 0 = automatic adaptive level limit, else fixed level limit
* 8000 = previous fixed default
*/
#define DEFAULT_LEVEL_LIMIT 0
#define MINIMAL_BUF_LENGTH 512
#define MAXIMAL_BUF_LENGTH (256 * 16384)
#define MAX_PROTOCOLS 84
#define SIGNAL_GRABBER_BUFFER (12 * DEFAULT_BUF_LENGTH)
/* Supported modulation types */
#define OOK_PULSE_MANCHESTER_ZEROBIT 3 // Manchester encoding. Hardcoded zerobit. Rising Edge = 0, Falling edge = 1
#define OOK_PULSE_PCM_RZ 4 // Pulse Code Modulation with Return-to-Zero encoding, Pulse = 0, No pulse = 1
#define OOK_PULSE_PPM_RAW 5 // Pulse Position Modulation. No startbit removal. Short gap = 0, Long = 1
#define OOK_PULSE_PWM_PRECISE 6 // Pulse Width Modulation with precise timing parameters
#define OOK_PULSE_PWM_RAW 7 // Pulse Width Modulation. Short pulses = 1, Long = 0
#define OOK_PULSE_PWM_TERNARY 8 // Pulse Width Modulation with three widths: Sync, 0, 1. Sync determined by argument
#define OOK_PULSE_CLOCK_BITS 9 // Level shift within the clock cycle.
#define OOK_PULSE_PWM_OSV1 10 // Pulse Width Modulation. Oregon Scientific v1
#define FSK_DEMOD_MIN_VAL 16 // Dummy. FSK demodulation must start at this value
#define FSK_PULSE_PCM 16 // FSK, Pulse Code Modulation
#define FSK_PULSE_PWM_RAW 17 // FSK, Pulse Width Modulation. Short pulses = 1, Long = 0
#define FSK_PULSE_MANCHESTER_ZEROBIT 18 // FSK, Manchester encoding
extern int debug_output;
extern float sample_file_pos;
struct protocol_state {
int (*callback)(bitbuffer_t *bitbuffer);
// Bits state (for old sample based decoders)
bitbuffer_t bits;
unsigned int modulation;
/* pwm limits (provided by driver in µs and converted to samples) */
float short_limit;
float long_limit;
float reset_limit;
char *name;
unsigned long demod_arg;
};
void data_acquired_handler(data_t *data);
#endif /* INCLUDE_RTL_433_H_ */