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https://github.com/merbanan/rtl_433.git
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84 lines
2.7 KiB
C
Executable File
84 lines
2.7 KiB
C
Executable File
#ifndef INCLUDE_RTL_433_H_
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#define INCLUDE_RTL_433_H_
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#include <errno.h>
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#include <signal.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <stdint.h>
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#include "rtl_433_devices.h"
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#include "bitbuffer.h"
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#include "data.h"
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#ifndef _WIN32
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#include <unistd.h>
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#else
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#include <Windows.h>
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#include <io.h>
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#include <fcntl.h>
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#include "getopt/getopt.h"
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#endif
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#define DEFAULT_SAMPLE_RATE 250000
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#define DEFAULT_FREQUENCY 433920000
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#define DEFAULT_HOP_TIME (60*10)
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#define DEFAULT_HOP_EVENTS 2
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#define DEFAULT_ASYNC_BUF_NUMBER 32
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#define DEFAULT_BUF_LENGTH (16 * 16384)
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#define DEFAULT_LEVEL_LIMIT 8000 // Theoretical high level at I/Q saturation is 128x128 = 16384 (above is ripple)
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#define MINIMAL_BUF_LENGTH 512
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#define MAXIMAL_BUF_LENGTH (256 * 16384)
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#define MAX_PROTOCOLS 40
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#define SIGNAL_GRABBER_BUFFER (12 * DEFAULT_BUF_LENGTH)
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/* Supported modulation types */
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#define OOK_PWM_D 1 // (Deprecated) Pulses are of the same length, the distance varies (PPM)
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#define OOK_PWM_P 2 // (Deprecated) The length of the pulses varies
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#define OOK_PULSE_MANCHESTER_ZEROBIT 3 // Manchester encoding. Hardcoded zerobit. Rising Edge = 0, Falling edge = 1
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#define OOK_PULSE_PCM_RZ 4 // Pulse Code Modulation with Return-to-Zero encoding, Pulse = 0, No pulse = 1
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#define OOK_PULSE_PPM_RAW 5 // Pulse Position Modulation. No startbit removal. Short gap = 0, Long = 1
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#define OOK_PULSE_PWM_PRECISE 6 // Pulse Width Modulation with precise timing parameters
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#define OOK_PULSE_PWM_RAW 7 // Pulse Width Modulation. Short pulses = 1, Long = 0
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#define OOK_PULSE_PWM_TERNARY 8 // Pulse Width Modulation with three widths: Sync, 0, 1. Sync determined by argument
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#define OOK_PULSE_CLOCK_BITS 9 // Level shift within the clock cycle.
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#define FSK_DEMOD_MIN_VAL 16 // Dummy. FSK demodulation must start at this value
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#define FSK_PULSE_PCM 16 // FSK, Pulse Code Modulation
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#define FSK_PULSE_PWM_RAW 17 // FSK, Pulse Width Modulation. Short pulses = 1, Long = 0
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extern int debug_output;
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struct protocol_state {
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int (*callback)(bitbuffer_t *bitbuffer);
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// Bits state (for old sample based decoders)
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bitbuffer_t bits;
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unsigned int modulation;
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/* demod state */
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unsigned int pulse_length;
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int pulse_count;
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int pulse_distance;
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unsigned int sample_counter;
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int start_c;
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int packet_present;
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int pulse_start;
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int real_bits;
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int start_bit;
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/* pwm limits */
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unsigned int short_limit;
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unsigned int long_limit;
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unsigned int reset_limit;
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char *name;
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unsigned long demod_arg;
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};
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void data_acquired_handler(data_t *data);
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#endif /* INCLUDE_RTL_433_H_ */
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