include <core_pins.h>

required for F_CPU_ACTUAL

AudioTuner.h

 #ifndef AudioTuner_h_
 #define AudioTuner_h_
 
+#include <core_pins.h>
 #include "AudioStream.h"
 #include "arm_math.h"
 /***********************************************************************
      *
      *  @return none
      */
-    AudioTuner( void ) : AudioStream( 1, inputQueueArray ),
-    data( 0.0 ),
-    coeff_p( NULL ),
-    enabled( false ),
-    new_output( false ),
-    coeff_size( 0 )
-    
-    {
-        
-    }
-    
-    /**
-     *  initialize variables and start
-     *
-     *  @param threshold Allowed uncertainty
-     *  @param coeff     coefficients for fir filter
-     *  @param taps      number of coefficients, even
-     *  @param factor    must be power of 2
-     */
-    void begin( float threshold, int16_t *coeff, uint8_t taps, uint8_t factor );
-    
-    /**
-     *  sets threshold value
-     *
-     *  @param thresh
-     *  @return none
-     */
-    void threshold( float p );
-    
-    /**
-     *  triggers true when valid frequency is found
-     *
-     *  @return flag to indicate valid frequency is found
-     */
-    bool available( void );
-    /**
-     *  get frequency
-     *
-     *  @return frequency in hertz
-     */
-    float read( void );
-    
-    /**
-     *  get predicitity
-     *
-     *  @return probability of frequency found
-     */
-    float probability( void );
-    
-    /**
-     *  fir decimation coefficents
-     *
-     *  @return none
-     */
-    void coeff( int16_t *p, int n );
-    
-    /**
-     *  disable yin
-     *
-     *  @return none
-     */
-    void disable( void );
-    
-    /**
-     *  Audio Library calls this update function ~2.9ms
-     *
-     *  @return none
-     */
-    virtual void update( void );
-    
+  AudioTuner(void)
+	  : AudioStream(1, inputQueueArray)
+	  , data(0.0)
+	  , coeff_p(NULL)
+	  , coeff_size(0)
+	  , new_output(false)
+	  , enabled(false)
+
+  {}
+
+  /**
+   *  initialize variables and start
+   *
+   *  @param threshold Allowed uncertainty
+   *  @param coeff     coefficients for fir filter
+   *  @param taps      number of coefficients, even
+   *  @param factor    must be power of 2
+   */
+  void begin(float threshold, int16_t *coeff, uint8_t taps, uint8_t factor);
+
+  /**
+   *  sets threshold value
+   *
+   *  @param thresh
+   *  @return none
+   */
+  void threshold(float p);
+
+  /**
+   *  triggers true when valid frequency is found
+   *
+   *  @return flag to indicate valid frequency is found
+   */
+  bool available(void);
+  /**
+   *  get frequency
+   *
+   *  @return frequency in hertz
+   */
+  float read(void);
+
+  /**
+   *  get predicitity
+   *
+   *  @return probability of frequency found
+   */
+  float probability(void);
+
+  /**
+   *  fir decimation coefficents
+   *
+   *  @return none
+   */
+  void coeff(int16_t *p, int n);
+
+  /**
+   *  disable yin
+   *
+   *  @return none
+   */
+  void disable(void);
+
+  /**
+   *  Audio Library calls this update function ~2.9ms
+   *
+   *  @return none
+   */
+  virtual void update(void);
+
 private:
     /**
      *  check the sampled data for fundamental frequency
      *  @return tau
      */
     uint16_t estimate( uint64_t *yin, uint64_t *rs, uint16_t head, uint16_t tau );
-    
+
     /**
      *  process audio data
      *
      *  @return none
      */
     void process( int16_t *p );
-    
+
     /**
      *  Variables
      */