/*
* Project 'raspi-pico-aprs-tnc'
* Copyright (C) 2021-2023 Thomas Glau, DL3TG
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.

* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.

* You should have received a copy of the GNU General Public License
* along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include <aprs_pico.h>
#include <pico/stdlib.h>

#define SINE_WAVE_TEST (0) // For testing & debugging



int main()
{
  stdio_init_all();

  audio_buffer_pool_t* audio_buffer_pool = aprs_pico_init();

#if (SINE_WAVE_TEST == 1)

  const unsigned int FREQ_IN_HZ        = 1000u;
  const unsigned int SAMPLE_FREQ_IN_HZ = 48000u;
  const uint16_t     VOLUME            = 128u;

  aprs_pico_send_sine_wave(audio_buffer_pool, FREQ_IN_HZ, SAMPLE_FREQ_IN_HZ, VOLUME);

#else // !SINE_WAVE_TEST

  double alt_in_m = 0.0f;

  while (true) // Loop forever
    {
      // Send an APRS test message
      aprs_pico_sendAPRS(audio_buffer_pool,
                         "DL3TG",  // Source call sign
                         "DL3TG",  // Destination call sign
                         "PATH1",  // APRS path #1
                         "PATH2",  // APRS path #2
                         "APRS by RPi-Pico - https://github.com/eleccoder/raspi-pico-aprs-tnc", // APRS message
                         10.0,     // Latitude  (in deg)
                         20.0,     // Longitude (in deg)
                         alt_in_m, // Altitude  (in m)
                         128u);    // Volume    (0 ... 256)

      alt_in_m = (alt_in_m < 1000.0) ? alt_in_m + 100.0 : 0.0;
    }

#endif // SINE_WAVE_TEST, !SINE_WAVE_TEST

  return 0;
}