/* Fundamental freq of this octave.  Others: 220, 440, 880, 1760

 * Octiave multiplier is: 2.0 ^ n/12.0;  Where n means the nth note

 * in the octave.  E.g. A => n=0; A# => n=1; B => n=2, and so on. 

 */


float octave = 440.0;	


float a0 =  octave * 1.000;

float b0 = (octave * 1.122);

float c  = (octave * 1.189);

float d  = (octave * 1.335);

float e  = (octave * 1.489);

float f  = (octave * 1.587);

float g  = (octave * 1.782);

float a  = (octave * 2.000);

float b  = (octave * 2.0 * 1.122);

float c2 = (octave * 2.0 * 1.189);


/* Note times: q - quarter, h - half, w - whole */


float tempo = 0.25;	/* Duration of a quarter note */

float q = tempo;		/* Quarter note */

float h = (2.0 * tempo);	/* Half note */

float dh = (3.0 * tempo);	/* Dotted half */


int note_display = 0;	/* Global chooses whether to display note or not */


void note(float freq, float dur)

{ if (note_display)

     printf("Piezo Test      freq%f\n", freq);

   tone(freq,dur);

 }


void cof()

{ note(c,q);

  note(f,q); note(g,q); note(a,q);

  note(g,dh);

  note(e,5.0 * q);

  note(c,q);

  note(f,q); note(g,q); note(a,q);

  note(g,8.0 * q);

  note(c,q);

  note(f,q); note(g,q); note(a,q);

  note(g,dh);

  note(e,5.0 * q);

  note(g,q);

  note(f,q); note(e,q); note(c,q);

  note(c,5.0 * q);

  note(c2,q);

  note(b,q); note(a,q); note(g,q);

  note(b,h); note(g,q);

  note(a,h); note(f,q);

  note(g,h); note(c2,q);

  note(b,q); note(a,q); note(g,q);

  note(b,8.0 * q);

  note(c2,q);

  note(b,q); note(a,q); note(g,q);

  note(b,h); note(g,q);

  note(a,h); note(f,q);

  note(g,h); note(g,q);

  note(f,q); note(e,q); note(c,q);

  note(c,7.0 * q); 

}