BirdNet-goMikrofon/Arduino-audio-tools-main/arduino-audio-tools-main/examples/examples-dsp/examples-faust/streams-generator-faust-i2s/streams-generator-faust-i2s.ino
2026-09-26 01:20:55 +02:00

50 lines
1.3 KiB
C++

/**
* @file streams-faust-i2s.ino
* @author Phil Schatzmann
* @brief Example how to use Faust as "Singal Processor"
* @version 0.1
* @date 2022-04-22
*
* @copyright Copyright (c) 2022
*
*/
#include "AudioTools.h"
#include "AudioTools/AudioLibs/AudioBoardStream.h"
#include "AudioTools/AudioLibs/AudioFaust.h"
#include "volume.h"
SineGenerator<int16_t> sineWave(32000); // subclass of SoundGenerator with max amplitude of 32000
GeneratedSoundStream<int16_t> sound(sineWave); // Stream generated from sine wave
mydsp dsp;
AudioBoardStream out(AudioKitEs8388V1);
FaustStream<mydsp> faust(out);
StreamCopy copier(faust, sound); // copy mic to tfl
// Arduino Setup
void setup(void) {
// Open Serial
Serial.begin(115200);
AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Warning);
// Setup Faust volume control
auto cfg = faust.defaultConfig();
faust.begin(cfg);
faust.setLabelValue("0x00", 0.5);
// Setup sine wave generator
sineWave.begin(cfg.channels, cfg.sample_rate, N_B4);
// start I2S
auto cfg_i2s = out.defaultConfig(TX_MODE);
cfg_i2s.sample_rate = cfg.sample_rate;
cfg_i2s.channels = cfg.channels;
cfg_i2s.bits_per_sample = cfg.bits_per_sample;
out.begin(cfg_i2s);
}
// Arduino loop - copy sound to out
void loop() {
copier.copy();
}