Files
klubhaus-doorbell/libraries/audio-tools/examples/tests/conversion/test-volumestream/test-volumestream.ino
2026-02-12 21:00:02 -08:00

37 lines
882 B
C++

/**
* @file test-volumestream.ino
* @author Phil Schatzmann
* @brief test for VolumeStream class
* @copyright GPLv3
**/
#include "AudioTools.h"
AudioInfo audio_info(44100, 2, 16);
SineWaveGenerator<int16_t> sineWave(32000); // subclass of SoundGenerator with max amplitude of 32000
GeneratedSoundStream<int16_t> sound(sineWave);
CsvOutput<int16_t> out(Serial);
VolumeStream vol(out);
StreamCopy copier(vol, sound);
float f_volume = 0.1;
// Arduino Setup
void setup(void) {
// Open Serial
Serial.begin(115200);
AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Warning);
// Define CSV Output
out.begin(audio_info);
vol.begin(audio_info);
vol.setVolume(f_volume);
// Setup sine wave
sineWave.begin(audio_info, N_B4);
Serial.println("started...");
}
// Arduino loop - copy sound to out
void loop() {
copier.copy();
}