I2SSAMD.h

#pragma once
 
#if defined(ARDUINO_ARCH_SAMD)
#include <I2S.h>
 
#include "AudioI2S/I2SConfig.h"
 
namespace audio_tools {
 
class I2SDriverSAMD {
  friend class I2SStream;
 
 public:
  I2SConfigStd defaultConfig(RxTxMode mode) {
    I2SConfigStd c(mode);
    return c;
  }
 
  bool setAudioInfo(AudioInfo) { return false; }
 
  bool begin(RxTxMode mode) { return begin(defaultConfig(mode)); }
 
  bool begin(I2SConfigStd cfg) {
    this->cfg = cfg;
    return I2S.begin(cfg.i2s_format, cfg.sample_rate, cfg.bits_per_sample);
  }
 
  bool begin() { return begin(cfg); }
 
  void end() { I2S.end(); }
 
  I2SConfigStd config() { return cfg; }
 
  size_t writeBytes(const void *src, size_t size_bytes) {
    return I2S.write((const uint8_t *)src, size_bytes);
  }
 
  size_t readBytes(void *src, size_t size_bytes) {
    return I2S.read(src, size_bytes);
  }
 
  int available() { return I2S.available(); }
 
  int availableForWrite() { return I2S.availableForWrite(); }
 
 protected:
  I2SConfigStd cfg;
};
 
using I2SDriver = I2SDriverSAMD;
 
}  // namespace audio_tools
 
#endif