49 lines
1.3 KiB
Arduino
49 lines
1.3 KiB
Arduino
|
/**
|
||
|
|
* @file communication-codec-test.ino
|
||
|
|
* @author Phil Schatzmann
|
||
|
|
* @brief generate sine wave -> encoder -> decoder -> csv (Serial)
|
||
|
|
* Unfortunately codec2 needs more stack then we have available in Arduino. So we do the processing
|
||
|
|
* in a separate task with a stack of 20k
|
||
|
|
*
|
||
|
|
* @version 0.1
|
||
|
|
* @date 2022-04-30
|
||
|
|
*
|
||
|
|
* @copyright Copyright (c) 2022
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
#include "AudioTools.h"
|
||
|
|
#include "AudioTools/AudioCodecs/CodecCodec2.h"
|
||
|
|
#include "AudioTools/AudioLibs/AudioBoardStream.h"
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
AudioInfo info(8000, 1, 16);
|
||
|
|
SineGenerator<int16_t> sineWave( 32000); // subclass of SoundGenerator with max amplitude of 32000
|
||
|
|
GeneratedSoundStream<int16_t> sound( sineWave); // Stream generated from sine wave
|
||
|
|
//CsvOutput<int16_t> out(Serial, channels);
|
||
|
|
AudioBoardStream out(AudioKitEs8388V1);
|
||
|
|
EncodedAudioStream decoder(&out, new Codec2Decoder()); // encode and write
|
||
|
|
EncodedAudioStream encoder(&decoder, new Codec2Encoder()); // encode and write
|
||
|
|
StreamCopy copier(encoder, sound);
|
||
|
|
|
||
|
|
|
||
|
|
void setup() {
|
||
|
|
Serial.begin(115200);
|
||
|
|
AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Warning);
|
||
|
|
|
||
|
|
// Setup sine wave
|
||
|
|
sineWave.begin(info, N_B4);
|
||
|
|
|
||
|
|
auto cfg = out.defaultConfig();
|
||
|
|
cfg.copyFrom(info);
|
||
|
|
out.begin(cfg);
|
||
|
|
|
||
|
|
Serial.println("Test started...");
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void loop() {
|
||
|
|
copier.copy();
|
||
|
|
delay(1);
|
||
|
|
}
|