Melodiengenerator? Hilfe, wie geht das !!!

#define TONE_C      654

#define TONE_CIS    693

#define TONE_DES    693

#define TONE_D      734

#define TONE_DIS    778

#define TONE_ES    778

#define TONE_E      824

#define TONE_F      873

#define TONE_FIS    925

#define TONE_GES    925

#define TONE_G      980

#define TONE_GIS    1038

#define TONE_AS    1038

#define TONE_A      1100

#define TONE_AIS    1165

#define TONE_B      1165

#define TONE_H      1235

#define TONE_c      1308

#define TONE_cis    1386

#define TONE_des    1386

#define TONE_d      1468

#define TONE_dis    1556

#define TONE_es    1556

#define TONE_e      1648

#define TONE_f      1746

#define TONE_fis    1850

#define TONE_ges    1850

#define TONE_g      1960

#define TONE_gis    2077

#define TONE_as    2077

#define TONE_a      2200

#define TONE_ais    2331

#define TONE_b      2331

#define TONE_h      2469

#define TONE_c1    2616

#define TONE_cis1    2772

#define TONE_des1    2772

#define TONE_d1    2937

#define TONE_dis1    3111

#define TONE_es1    3111

#define TONE_e1    3296

#define TONE_f1    3492

#define TONE_fis1    3700

#define TONE_ges1    3700

#define TONE_g1    3920

#define TONE_gis1    4153

#define TONE_as1    4153

#define TONE_a1    4400

#define TONE_ais1    4662

#define TONE_b1    4662

#define TONE_h1    4939

#define TONE_c2    5233

#define TONE_cis2    5544

#define TONE_des2    5544

#define TONE_d2    5874

#define TONE_dis2    6223

#define TONE_es2    6223

#define TONE_e2    6593

#define TONE_f2    6985

#define TONE_fis2    7400

#define TONE_ges2    7400

#define TONE_g2    7840

#define TONE_gis2    8306

#define TONE_as2    8306

#define TONE_a2    8800

#define TONE_ais2    9324

#define TONE_b2    9324

#define TONE_h2    9878

#define TONE_c3    10465

#define TONE_cis3    11087

#define TONE_des3    11087

#define TONE_d3    11747

#define TONE_dis3    12445

#define TONE_es3    12445

#define TONE_e3    13185

#define TONE_f3    13969

#define TONE_fis3    14800

#define TONE_ges3    14800

#define TONE_g3    15680

#define TONE_gis3    16612

#define TONE_as3    16612

#define TONE_a3    17600

#define TONE_ais3    18647

#define TONE_b3    18647

#define TONE_h3    19755

#include <avr/io.h>

#include <avr/interrupt.h>

#include "music.h"

#define PAUSE  10

unsigned int speed  = 1500;

int pause = PAUSE;

unsigned int count  = 0;

unsigned int pos  = 0;

unsigned int melody1[27][2] =  {

            {TONE_g1, 8},

                {TONE_g1, 8},

              {TONE_a1, 4},

              {TONE_g1, 4},

            {TONE_c2, 4},

            {TONE_h1, 2},

            {TONE_g1, 8},

            {TONE_g1, 8},

            {TONE_a1, 4},

            {TONE_g1, 4},

            {TONE_d2, 4},

            {TONE_c2, 2},

            {TONE_g1, 8},

            {TONE_g1, 8},

            {TONE_g2, 4},

            {TONE_e2, 4},

            {TONE_c2, 8},

            {TONE_c2, 8},

            {TONE_h1, 4},

            {TONE_a1, 4},

            {TONE_f2, 8},

            {TONE_f2, 8},

            {TONE_e2, 4},

            {TONE_c2, 4},

            {TONE_d2, 4},

            {TONE_c2, 2}

            };

unsigned int length = 27;

void make_music(int freq, int time)

{

  TCCR0 = 0;

  if(freq < 4910)

  {

    TCCR0 = (1<<COM00) | (1<<CS02) | (1<<WGM01);

    OCR0 = 312500 / freq;

  }

  else

  {

    TCCR0 = (1<<COM00) | (1<<CS00) | (1<<CS01) | (1<<WGM01);

    OCR0 = 1250000 / freq;

  }

  count = (speed / time) / 10;

  OCR2  = 156;

  TIMSK = (1<<OCIE2);

  TCCR2 = 0;

  TCCR2 = (1<<WGM21) | (1<<CS22) | (1<<CS21) | (1<<CS20);  

  return;

}

ISR(TIMER2_COMP_vect)

{

  count--;

  if(count == 0)

  {

    TCCR0 = 0;

    pause--;

    count++;

    if(pause == 0)

    {

      TCCR2 = 0;

      start_melody(melody1);

      pause = PAUSE;

    }

  }

}

void start_melody(int melody[16][2])

{

  if(pos >= length-1)

    return;

  make_music(melody[pos][0], melody[pos][1]);

  pos++;

  return;

}

int main (void)

{  

  DDRB = 0xFF;

  sei();

  start_melody(melody1);

  while(1);

  return 0;

}