mirror of
https://github.com/merbanan/rtl_433.git
synced 2026-04-23 19:17:03 -04:00
f6fc204bbb
Makes Chuango less noisy Has provision for replacing ternary encoder (implements sync) Can be expanded to include more selectivity (e.g. gap timing) Can be expanded to include start bit removal (for replacing RAW)
79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
#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"
|
|
|
|
#ifndef _WIN32
|
|
#include <unistd.h>
|
|
#else
|
|
#include <Windows.h>
|
|
#include <io.h>
|
|
#include <fcntl.h>
|
|
#include "getopt/getopt.h"
|
|
#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)
|
|
#define DEFAULT_LEVEL_LIMIT 8000 // Theoretical high level at I/Q saturation is 128x128 = 16384 (above is ripple)
|
|
#define MINIMAL_BUF_LENGTH 512
|
|
#define MAXIMAL_BUF_LENGTH (256 * 16384)
|
|
#define MAX_PROTOCOLS 30
|
|
#define SIGNAL_GRABBER_BUFFER (12 * DEFAULT_BUF_LENGTH)
|
|
|
|
/* Supported modulation types */
|
|
#define OOK_PWM_D 1 // (Deprecated) Pulses are of the same length, the distance varies (PPM)
|
|
#define OOK_PWM_P 2 // (Deprecated) The length of the pulses varies
|
|
#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 FSK_DEMOD_MIN_VAL 16 // Dummy. FSK demodulation must start at this value
|
|
#define FSK_PULSE_PCM 16 // FSK, Pulse Code Modulation
|
|
|
|
extern int debug_output;
|
|
|
|
struct protocol_state {
|
|
int (*callback)(bitbuffer_t *bitbuffer);
|
|
|
|
// Bits state (for old sample based decoders)
|
|
bitbuffer_t bits;
|
|
|
|
unsigned int modulation;
|
|
|
|
/* demod state */
|
|
unsigned int pulse_length;
|
|
int pulse_count;
|
|
int pulse_distance;
|
|
unsigned int sample_counter;
|
|
int start_c;
|
|
|
|
int packet_present;
|
|
int pulse_start;
|
|
int real_bits;
|
|
int start_bit;
|
|
/* pwm limits */
|
|
unsigned int short_limit;
|
|
unsigned int long_limit;
|
|
unsigned int reset_limit;
|
|
char *name;
|
|
unsigned long demod_arg;
|
|
};
|
|
|
|
#endif /* INCLUDE_RTL_433_H_ */
|