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