46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
/**
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* @file streams-generator-audiokit.ino
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* @brief Tesing I2S output for ESP32-S3-AI-Smart-Speaker with generated sine wave
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*
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* Dependencies:
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* - https://github.com/pschatzmann/arduino-audio-tools
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* - https://github.com/pschatzmann/arduino-audio-driver
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*
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* @author Phil Schatzmann
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* @copyright GPLv3
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*/
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#include "AudioTools.h"
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#include "AudioTools/AudioLibs/AudioBoardStream.h"
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AudioInfo info(32000, 2, 16);
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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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AudioBoardStream out(ESP32S3AISmartSpeaker);
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StreamCopy copier(out, sound); // copies sound into i2s
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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::Info);
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// start I2S
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Serial.println("starting I2S...");
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auto config = out.defaultConfig(TX_MODE);
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config.copyFrom(info);
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out.begin(config);
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// set the volume
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out.setVolume(0.4f);
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// Setup sine wave
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sineWave.begin(info, N_B4);
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Serial.println("started...");
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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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