52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
#include <bitset>
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#include <fstream>
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#include <iostream>
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#include <string>
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#include <sndfile.h>
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#include <vector>
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#include "ModemController.h"
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int main() {
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// Sample test data
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std::string sample_string = "The quick brown fox jumps over the lazy dog 1234567890";
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std::vector<uint8_t> sample_data(sample_string.begin(), sample_string.end());
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// Convert sample data to a BitStream object
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BitStream bitstream(sample_data, sample_data.size() * 8);
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// Configuration for modem
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size_t baud_rate = 150;
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bool is_voice = false; // False indicates data mode
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bool is_frequency_hopping = false; // Fixed frequency operation
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size_t interleave_setting = 2; // Short interleave
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// Create ModemController instance
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ModemController modem(baud_rate, is_voice, is_frequency_hopping, interleave_setting, bitstream);
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const char* file_name = "modulated_signal_150bps_longinterleave.wav";
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// Perform transmit operation to generate modulated signal
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std::vector<int16_t> modulated_signal = modem.transmit();
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// Output modulated signal to a WAV file using libsndfile
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SF_INFO sfinfo;
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sfinfo.channels = 1;
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sfinfo.samplerate = 48000;
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sfinfo.format = SF_FORMAT_WAV | SF_FORMAT_PCM_16;
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SNDFILE* sndfile = sf_open(file_name, SFM_WRITE, &sfinfo);
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if (sndfile == nullptr) {
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std::cerr << "Unable to open WAV file for writing modulated signal: " << sf_strerror(sndfile) << "\n";
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return 1;
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}
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sf_write_short(sndfile, modulated_signal.data(), modulated_signal.size());
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sf_close(sndfile);
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std::cout << "Modulated signal written to " << file_name << '\n';
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// Success message
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std::cout << "Modem test completed successfully.\n";
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return 0;
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} |