Arduino audio-tools settings for M5Stack Core2

gistfile1.txt

// https://github.com/pschatzmann/arduino-audio-tools/ settings for M5Stack Core2

// Audio settings
const int sample_rate = 44100;
const int channels = 1;

// Speaker settings
I2SStream out; 
auto config = out.defaultConfig(TX_MODE);
config.sample_rate = sample_rate; 
config.channels = channels;
config.bits_per_sample = 16;
config.pin_bck = 12;
config.pin_data = 2;
config.pin_ws = 0;
out.begin(config);
  
// Microphone settings
I2SStream i2sStream;                            // Access I2S as stream

auto config = i2sStream.defaultConfig(RX_MODE);
config.signal_type = PDM;
config.i2s_format = I2S_STD_FORMAT;
config.channels = channels;
config.sample_rate = sample_rate;
config.bits_per_sample = 16;
config.pin_bck = 12;
config.pin_data = 34;
config.pin_ws = 0;
i2sStream.begin(config);