35 lines
1,014 B
Arduino
35 lines
1,014 B
Arduino
|
#include "AudioTools.h"
|
||
|
|
#include "AudioTools/AudioLibs/AudioBoardStream.h"
|
||
|
|
|
||
|
|
AudioInfo info(48000, 2, 16);
|
||
|
|
AudioInfo info_to(48000, 2, 32);
|
||
|
|
SineGenerator<int16_t> sineWave(32000); // subclass of SoundGenerator with max amplitude of 32000
|
||
|
|
GeneratedSoundStream<int16_t> sound(sineWave); // Stream generated from sine wave
|
||
|
|
AudioBoardStream out(AudioKitEs8388V1);
|
||
|
|
NumberFormatConverterStream nfc(out);
|
||
|
|
StreamCopy copier(nfc, sound); // copies sound into i2s
|
||
|
|
|
||
|
|
// Arduino Setup
|
||
|
|
void setup(void) {
|
||
|
|
// Open Serial
|
||
|
|
Serial.begin(115200);
|
||
|
|
AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
|
||
|
|
|
||
|
|
nfc.begin(info.bits_per_sample, info_to.bits_per_sample);
|
||
|
|
|
||
|
|
// start I2S
|
||
|
|
Serial.println("starting I2S...");
|
||
|
|
auto config = out.defaultConfig(TX_MODE);
|
||
|
|
config.copyFrom(info_to);
|
||
|
|
out.begin(config);
|
||
|
|
|
||
|
|
// Setup sine wave
|
||
|
|
sineWave.begin(info, N_B4);
|
||
|
|
Serial.println("started...");
|
||
|
|
}
|
||
|
|
|
||
|
|
// Arduino loop - copy sound to out
|
||
|
|
void loop() {
|
||
|
|
copier.copy();
|
||
|
|
}
|