text: /*
   * Copyright (C) 2018 GreenWaves Technologies
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #ifndef __I2S_AUDIO_REC__
  #define __I2S_AUDIO_REC_
  
  #define WAV_HEADER_SIZE 44 //bytes
  
  void dump_wav_open(char *filename, int width, int sampling_rate, int nb_channels, int size);
  void dump_wav_write(void *data, int size);
  void dump_wav_close();
  
  #endif
  