/************************************************
 *  LADY GAGA'S "PAPARAZZI" ON PIN B0
 *  CONNECT A SPEAKER TO PIN B0 AND LISTEN
 *  TO THE MUSIC!
 * 
 *  RYAN T ALLEY
 *  MAY 27, 2010
 ************************************************/

#include "oulib.h"

// Prototypes
void makeFsharp( float time );
void makeGsharp( float time );
void makeA(  float time );
void makeB(  float time );
void makeCsharp( float time );
void makeD(  float time );
void makeE(  float time );

int main (void)
{

	float tempo = 1.0;
	float q = tempo / 2; // quarter note duration
	float e = tempo / 4; // eighth note duration
	float s = tempo / 8; // sixteenth note duration

	/* Configure port B with output pin B0 */
	DDRB = 0x1;
	while(1)
	{
		makeA(e);
		delay_ms(1); // (to re-articulate notes)
		makeA(e);
		delay_ms(1);
		makeA(e);
		delay_ms(1);
		makeA(e);
		delay_ms(1);
		makeA(q);
		makeB(e);
		makeGsharp(q);
		delay_ms(1);
		makeGsharp(e);
		delay_ms(1);
		makeGsharp(e);
		delay_ms(1);
		makeGsharp(e);
		delay_ms(1);
		makeGsharp(q);
		makeA(e);
		makeCsharp(q);
		makeA(q);
		delay_ms(e * 1000);
		makeFsharp(e + s);
		makeGsharp(q + s);
		makeFsharp(e + s);
		makeGsharp(e + s);
		makeCsharp(q);
		makeA(e);
		delay_ms(q * 1000);
	};
	return (0);
}


void makeFsharp( float time )
{
    int b = 541;
    float a = time / (b * 0.000001);
    for(int i = 0; i < (int) a; i++){
        PORTB = PORTB ^ 0x1;
        delay_us(b);
    };
}

void makeGsharp( float time )
{
    int b = 482;
    float a = time / (b * 0.000001);
    for(int i = 0; i < (int) a; i++){
        PORTB = PORTB ^ 0x1;
        delay_us(b);
    };
}

void makeA( float time )
{
    int b = 455;
    float a = time / (b * 0.000001);
    for(int i = 0; i < (int) a; i++){
        PORTB = PORTB ^ 0x1;
        delay_us(b);
    };
}

void makeB(  float time )
{
    int b = 405;
    float a = time / (b * 0.000001);
    for(int i = 0; i < (int) a; i++){
        PORTB = PORTB ^ 0x1;
        delay_us(b);
    };
}

void makeCsharp( float time )
{
    int b = 361;
    float a = time / (b * 0.000001);
    for(int i = 0; i < (int) a; i++){
        PORTB = PORTB ^ 0x1;
        delay_us(b);
    };
}

void makeD(  float time )
{
    int b = 341;
    float a = time / (b * 0.000001);
    for(int i = 0; i < (int) a; i++){
        PORTB = PORTB ^ 0x1;
        delay_us(b);
    };
}

void makeE(  float time )
{
    int b = 303;
    float a = time / (b * 0.000001);
    for(int i = 0; i < (int) a; i++){
        PORTB = PORTB ^ 0x1;
        delay_us(b);
    };
}