WaveHC.h

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#ifndef WaveHC_h
#define WaveHC_h
#include "Arduino.h"
#include <FatReader.h>
#define OPTIMIZE_CONTIGUOUS 1

#define DVOLUME 0

#define RATE_ERROR_LEVEL 2
//------------------------------------------------------------------------------
// Set the size for wave data buffers.  Must be 256 or 512.
#if defined(__AVR_ATmega168P__) || defined(__AVR_ATmega168__)

#define PLAYBUFFLEN 256UL
#else // __AVR_ATmega168P__

#define PLAYBUFFLEN 512UL
#endif //__AVR_ATmega168P__

// Define max allowed SD read rate in bytes/sec.
#if PLAYBUFFLEN == 512UL && OPTIMIZE_CONTIGUOUS

#define MAX_BYTE_RATE 88200
#else // MAX_BYTE_RATE

#define MAX_BYTE_RATE 44100
#endif // MAX_BYTE_RATE

// Define maximum clock rate for DAC.
#if !DVOLUME

#define MAX_CLOCK_RATE 44100
#else // DVOLUME

#define MAX_CLOCK_RATE 22050
#endif // DVOLUME

//------------------------------------------------------------------------------
class WaveHC {
public:
  uint8_t Channels;
  uint32_t dwSamplesPerSec;
  uint8_t BitsPerSample;
  uint32_t remainingBytesInChunk;
  volatile uint8_t isplaying;
  uint32_t errors;

  uint8_t volume;
  FatReader *fd;

  WaveHC(void);
  uint8_t create(FatReader &f);
  uint32_t getSize(void) { return fd->fileSize(); }
  uint8_t isPaused(void);
  void pause(void);
  void play(void);
  int16_t readWaveData(uint8_t *buff, uint16_t len);
  void resume(void);
  void seek(uint32_t pos);
  void setSampleRate(uint32_t samplerate);
  void stop(void);
};

#endif // WaveHC_h