kopia lustrzana https://github.com/eleccoder/raspi-pico-aprs-tnc
65 wiersze
2.0 KiB
C
65 wiersze
2.0 KiB
C
/*
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* Project 'raspi-pico-aprs-tnc'
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* Copyright (C) 2021-2023 Thomas Glau, DL3TG
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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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* 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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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <aprs_pico.h>
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#include <pico/stdlib.h>
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#define SINE_WAVE_TEST (0) // For testing & debugging
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int main()
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{
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stdio_init_all();
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audio_buffer_pool_t* audio_buffer_pool = aprs_pico_init();
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#if (SINE_WAVE_TEST == 1)
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const unsigned int FREQ_IN_HZ = 1000u;
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const unsigned int SAMPLE_FREQ_IN_HZ = 48000u;
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const uint16_t VOLUME = 128u;
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aprs_pico_send_sine_wave(audio_buffer_pool, FREQ_IN_HZ, SAMPLE_FREQ_IN_HZ, VOLUME);
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#else // !SINE_WAVE_TEST
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double alt_in_m = 0.0f;
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while (true) // Loop forever
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{
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// Send an APRS test message
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aprs_pico_sendAPRS(audio_buffer_pool,
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"DL3TG", // Source call sign
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"DL3TG", // Destination call sign
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"PATH1", // APRS path #1
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"PATH2", // APRS path #2
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"APRS by RPi-Pico - https://github.com/eleccoder/raspi-pico-aprs-tnc", // APRS message
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10.0, // Latitude (in deg)
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20.0, // Longitude (in deg)
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alt_in_m, // Altitude (in m)
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128u); // Volume (0 ... 256)
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alt_in_m = (alt_in_m < 1000.0) ? alt_in_m + 100.0 : 0.0;
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}
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#endif // SINE_WAVE_TEST, !SINE_WAVE_TEST
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return 0;
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}
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