33 lines
882 B
Arduino
33 lines
882 B
Arduino
|
#include "AudioTools.h"
|
||
|
|
|
||
|
|
AudioInfo info(44100,2,16);
|
||
|
|
SineGenerator<int16_t> sineWave(32000); // subclass of SoundGenerator with max amplitude of 32000
|
||
|
|
GeneratedSoundStream<int16_t> sound(sineWave); // Stream generated from sine wave
|
||
|
|
ResampleStream resample(sound);
|
||
|
|
CsvOutput<int16_t> out(Serial);
|
||
|
|
StreamCopy copier(out, resample); // copies sound to out
|
||
|
|
|
||
|
|
// Arduino Setup
|
||
|
|
void setup(void) {
|
||
|
|
// Open Serial
|
||
|
|
Serial.begin(115200);
|
||
|
|
AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Warning);
|
||
|
|
|
||
|
|
// define resample
|
||
|
|
auto rcfg = resample.defaultConfig();
|
||
|
|
rcfg.copyFrom(info);
|
||
|
|
rcfg.step_size = 0.5;
|
||
|
|
resample.begin(rcfg);
|
||
|
|
|
||
|
|
// Define CSV Output
|
||
|
|
out.begin(info);
|
||
|
|
|
||
|
|
// Setup sine wave
|
||
|
|
sineWave.begin(info, N_B4);
|
||
|
|
Serial.println("started...");
|
||
|
|
}
|
||
|
|
|
||
|
|
// Arduino loop - copy sound to out
|
||
|
|
void loop() {
|
||
|
|
copier.copy();
|
||
|
|
}
|