audio tools record wav

/**
 * @file player-sd-i2s.ino
 * @brief example using the SD library
 *
 * @author Phil Schatzmann
 * @copyright GPLv3
 WAV FIOLES NEED BE 16B PCM
 */
#include <ButtonEvent.h>

#include "AudioTools.h"
#include <SD.h>
//#include "FS.h"

#include "AudioLibs/AudioSourceSDFAT.h"
#include "AudioCodecs/CodecWAV.h"

#define i_bck 39//5
#define i_ws 6
#define i_data 40 //4
#define i_rx 18


#define buttonPin  0
#define buttonPin2 16

const char *dirSounds = "/sounds";
const char *dirRec = "/rec";

File filePlay;
File fileRec;

I2SStream i2s;
AudioInfo info(16000, 1, 16);

EncodedAudioStream decoder(&i2s,new WAVDecoder());
EncodedAudioStream encoder(&fileRec, new WAVEncoder());
StreamCopy copier(decoder,filePlay);

long bootTime = millis();
void setup() {
  Serial.begin(115200);    while(!Serial){if(millis()-bootTime>2000){break;}}//wait for serial unless its going to take too long

  if(!SD.begin()){Serial.println("SD Init Failed!"); stop();}
  listSounds(dirSounds);
  filePlay = SD.open("/sounds/blip2.wav"); //bicycle_bell.wav , blurp_x2.wav, boing_x2.wav
  AudioLogger::instance().begin(Serial, AudioLogger::Info);

  pinMode(buttonPin, INPUT_PULLUP);
  pinMode(buttonPin2, INPUT_PULLUP);

  ButtonEvent.addButton(buttonPin,       //button pin
                        onB1D,   //onDown event function
                        onB1U,     //onUp event function
                        NULL,   //onHold event function
                        750,NULL,NULL     //hold time in milliseconds
                        );     //double time interval

  ButtonEvent.addButton(buttonPin2,       //button pin
                        onB2D,   //onDown event function
                        onB2U,     //onUp event function
                        NULL,   //onHold event function
                        750,NULL,NULL     //hold time in milliseconds
                        );     //double time interval


  // setup output
  auto cfg = i2s.defaultConfig(RXTX_MODE);
  cfg.copyFrom(info);

  cfg.pin_ws = i_ws;
  cfg.pin_bck = i_bck;
  cfg.pin_data = i_data;
  cfg.pin_data_rx = i_rx;

  i2s.begin(cfg);
  decoder.begin(cfg);
  encoder.begin(info);
  copier.begin();
}
void loop() {
  //player.copy();
  ButtonEvent.loop();
 copier.copy();

}

void recStart(){
  decoder.flush();
  char newFileName[14];
  sprintf(newFileName, "REC-%06d.wav", rand() % 1000000);
//  fileRec = SD.open(fullPath(dirRec,newFileName),FILE_WRITE);
fileRec = SD.open("/rec/r1.wav",FILE_WRITE);
  if(fileRec){
    Serial.printf("Opened %s to record. \n",fileRec.name());
    decoder.end();
    copier.end();
    encoder.begin(info);
    copier.begin(encoder,i2s);
  }else{
    Serial.printf("Failed to create file %s \n",newFileName);
  }
}

void recStop(){
    Serial.println("recStop()");
    copier.end();
    encoder.end();
   if (fileRec) {
      fileRec.flush();
      Serial.print("File has ");
      Serial.print(fileRec.size());
      Serial.println(" bytes");
      fileRec.close();
    }
    decoder.begin();
    //copier.begin(decoder, filePlay);
}

void playSound(char *filename){
  Serial.printf("playSound(%s)/n",filename);
  filePlay = SD.open(filename);
  decoder.flush();
  copier.begin(decoder, filePlay);
}