kopia lustrzana https://github.com/Guenael/rtlsdr-wsprd
86 wiersze
2.4 KiB
C
86 wiersze
2.4 KiB
C
/*
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* rtlsrd-wsprd, WSPR daemon for RTL receivers, Guenael Jouchet (VA2GKA)
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* Copyright (C) 2016-2021, Guenael Jouchet (VA2GKA)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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#include <unistd.h>
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#ifndef bool
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typedef uint32_t bool;
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#define true 1
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#define false 0
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#endif
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struct receiver_state {
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/* Variables used for stop conditions */
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bool exit_flag;
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bool decode_flag;
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/* Buffer used for sampling */
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float *iSamples;
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float *qSamples;
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/* Simple index */
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uint32_t iqIndex;
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};
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/* Option & config of the receiver */
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struct receiver_options {
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uint32_t dialfreq;
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uint32_t realfreq;
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int32_t gain;
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int32_t autogain;
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int32_t ppm;
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int32_t shift;
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int32_t upconverter;
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int32_t directsampling;
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int32_t maxloop;
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int32_t device;
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bool selftest;
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bool writefile;
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bool readfile;
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char filename[33];
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char date[7];
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char uttime[5];
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};
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static void rtlsdr_callback(unsigned char *samples, uint32_t sigLenght, void *ctx);
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static void *rtlsdr_rx(void *arg);
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void postSpots(uint32_t n_results);
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void printSpots(uint32_t n_results);
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void saveSample(float *iSamples, float *qSamples);
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static void *decoder(void *arg);
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double atofs(char *s);
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int32_t parse_u64(char *s, uint64_t *const value);
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void initSampleStorage();
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void initDecoder_options();
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void initrx_options();
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void sigint_callback_handler(int signum);
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int32_t readRawIQfile(float *iSamples, float *qSamples, char *filename);
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int32_t writeRawIQfile(float *iSamples, float *qSamples, char *filename);
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void decodeRecordedFile(char *filename);
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float whiteGaussianNoise(float factor);
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int32_t decoderSelfTest();
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void usage(void);
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int32_t readRawIQfile(float *iSamples, float *qSamples, char *filename);
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int32_t writeRawIQfile(float *iSamples, float *qSamples, char *filename);
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