message: AduioSDPlayer: make public isFileOpen
diff: @@ -67,6 +67,10 @@ class AudioSDPlayer_F32 : public AudioStream_F32
  return sample_rate_Hz;
  }
  int setBlockSize(int block_size) { return audio_block_samples = block_size; };
  + bool isFileOpen(void) {
  + if (file.isOpen()) return true;
  + return false;
  + }
  private:
  SdFs sd;
  @@ -93,10 +97,7 @@ class AudioSDPlayer_F32 : public AudioStream_F32
  float sample_rate_Hz = ((float)AUDIO_SAMPLE_RATE_EXACT);
  int audio_block_samples = AUDIO_BLOCK_SAMPLES;
  - bool isFileOpen(void) {
  - if (file.isOpen()) return true;
  - return false;
  - }
  +
  uint32_t updateBytes2Millis(void);
  };
  