streams-i2s-i2s

Author: pschatzmann

examples/examples-stream/streams-i2s-i2s/streams-i2s-i2s.ino

@@ -5,44 +5,50 @@
  * @copyright GPLv3
  */
 
-#include "AudioTools.h"
-
 uint16_t sample_rate=44100;
 uint16_t channels = 2;
 I2SStream in;
 I2SStream out; 
-StreamCopy copier(out, in);                       // copies sound into i2s
-ConverterScaler<int16_t> scaler(0.8, 0, 32767);    // change the signal
+StreamCopy copier(out, in);                             // copies sound into i2s
+ConverterScaler<int16_t> scaler(0.8, 0, 1000);
 
 // Arduino Setup
 void setup(void) {  
   // Open Serial 
   Serial.begin(115200);
-  AudioLogger::instance().begin(Serial, AudioLogger::Info);
+  // change to Warning to improve the quality
+  AudioLogger::instance().begin(Serial, AudioLogger::Info); 
 
   // start I2S in
   Serial.println("starting I2S...");
-  auto config = in.defaultConfig(RX_MODE);
-  config.sample_rate = sample_rate; 
-  config.bits_per_sample = 16;
-  config.i2s_format = I2S_STD_FORMAT;
-  config.is_master = true;
-  config.port_no = 0;
-  in.begin(config);
+  auto config_in = in.defaultConfig(RX_MODE);
+  config_in.sample_rate = sample_rate; 
+  config_in.bits_per_sample = 16;
+  config_in.i2s_format = I2S_STD_FORMAT;
+  config_in.is_master = true;
+  config_in.port_no = 0;
+  config_in.pin_ws = 12;
+  config_in.pin_bck = 13;
+  config_in.pin_data = 14;
+
+  in.begin(config_in);
 
   // start I2S out
   auto config_out = out.defaultConfig(TX_MODE);
-  config.sample_rate = sample_rate; 
-  config.bits_per_sample = 16;
-  config.i2s_format = I2S_STD_FORMAT;
-  config.is_master = true;
-  config.port_no = 1;
+  config_out.sample_rate = sample_rate; 
+  config_out.bits_per_sample = 16;
+  config_out.i2s_format = I2S_STD_FORMAT;
+  config_out.is_master = true;
+  config_out.port_no = 1;
+  config_out.pin_ws = 32;
+  config_out.pin_bck = 35;
+  config_out.pin_data = 34;
   out.begin(config_out);
 
   Serial.println("I2S started...");
 }
 
-// Arduino loop - copy audio to out 
+// Arduino loop - copy sound to out 
 void loop() {
   copier.copy(scaler);
 }