1번, 2번 코드를 연결시켜서 전화번호가 뜰 때 전화벨소리 대신 멜로디가 나오게 하고 싶은데 어떻게 해야하나요 .. 
도와주세요ㅠㅜㅠㅜㅠ
 
1.
#include <avr/io.h>
#define F_CPU 16000000UL
#include <util/delay.h>
//
unsigned char fnd[]={0x00,0x00,0x00,0x3F,0x06,0x3F,0x40,0x5B,0x5B,0x66,0x6F,0x40,0x7D,0x7D,0x66,0x7F,0x00,0x00,0x00,0x00,0x00};
 //010-2249-6648 << 제 번호 입니다.
unsigned char fnd_sel[4]={0x08,0x04,0x02,0x01}; //좌->우로 하고자 한다면 반대로 설정(08,04...)
//
int main(){
 int sel,digit,del,j;
 char togle,c;
 DDRB=0x10; DDRG=0x0F; DDRC=0xFF;
 while(1){
  togle=c=0;
  for(digit=0;digit<18;digit++){ // 499.2ms*18=8985.6ms
  for(del=0;del<20;del++){          // 24.96ms*20=499.2ms
    togle^=1;
    if(togle){                    
      for(j=0;j<6;j++){ // 4.16ms*6=24.96ms
        for(sel=0;sel<4;sel++){ PORTC=fnd[digit+sel]; PORTG=fnd_sel[sel]; if(c<2)PORTB^=0x10; _delay_ms(1.04); } // 1.04ms*4=4.16ms
      }
    }
    else{
      for(j=0;j<4;j++){ // 6.24ms*4=24.96ms
        for(sel=0;sel<4;sel++){ PORTC=fnd[digit+sel]; PORTG=fnd_sel[sel]; if(c<2)PORTB^=0x10; _delay_ms(1.56); } // 1.56ms*4=6.24ms
      }
    }
  }
  if(++c>5)c=0; // 0~1 = 벨소리 // 2~5 = 무음
  }
 }
 return 0;
}
 
2. #include <avr/io.h>
#include <avr/interrupt.h>
#define F_CPU 16000000UL
#include <util/delay.h>
#define OFF 0   //isr state compare value
#define ON  1   //isr state compare value
#define DO  0 
#define RE  1
#define MI  2
#define FA  3
#define SO  4
#define RA  5
#define SI  6
#define DO_H 7
#define RE_H 8
#define EOS  255  //(End of song)
// C(도)  523
// D(레)  587
// E(미)  659
// F(파)  699
// G(솔)  784
// A(라)  880
// B(시)  988
// C_H(도) 1047 
// R_H(레) 1245
 
char cb[]={238,212,189,178,158,141,126,118}; //8bit compare_interrupt:(compare TCNT0 and OCR0(use value)).
 
unsigned char mz[]={SO, RA, SO, MI, DO_H, RA, SO, SO, RA, SO, RA, SO, DO_H, SI, FA, SO, FA, RE, SI, RA, SO, SO, RA, SO, RA, SO, RA, MI, SO, RA, SO, MI, DO_H, RA, SO, SO, RA, SO, RA, SO, DO_H, SI, EOS}; 
volatile unsigned char init_state = OFF, tone; 
// e.g: duty cycle : 50%   half: 0 or 1.(T/2)   atmel128 16MHZ T: 0.0625us  prescale: 64 T: 4us. 8bit timer&counter : 256ea
 
void init_buzzer();
void comparei_CTC_bit_set();
 
int main(void) 
{    
 int i=0;
  init_buzzer();
  comparei_CTC_bit_set();
  
          do{                     
   cli();
    tone= mz[i++];          //critical section. // for문으로 변경하여 변수인자형을 unsigned char (256)값으로 한정.
     sei();                
      PORTA = tone;      //mz 값 확인용.   
      _delay_ms(300);
      
 }while(tone!=EOS);
 
}
 
 
ISR(TIMER0_COMP_vect)
{
  OCR0 = cb[tone];
  if(init_state==OFF)
  {
   PORTB |= (1<<PB4);
   init_state = ON;
  }
  else
  {
   PORTB &= ~(1<<PB4);
   init_state = OFF;
  }
}
 
void init_buzzer()
{
  DDRA = 0xff;
  DDRB = (1<<PB4);
}
 
 
void comparei_CTC_bit_set()
{
  TCCR0 = 0;
  TCCR0 |= (1<<WGM01)|(0<<WGM00);       //waveforme generate : CTC ,TOP: OCR0, update: immeiate, Max. 00, 01, (10) 11. 
  TCCR0 |= (0<<COM01)|(1<<COM00);       // Toggle OC0 on compare match. (non-PWM mode)  00, 01, 10, 11 don't care in                                                              //this code.
  TCCR0 |= (1<<CS2)|(0<<CS1)|(0<<CS0);  //  prescale:64, 000:source clock  011:32, 100:64, 101:128, 110:256, 111:1024
  TIMSK = 0;
  TIMSK |= (1<<OCIE0);                //  interrupt by Compare tcnt0 (0~0xff) and OC0 (user value)valuse.
  TCNT0 = 0;
  sei();                                  //  enable global interrupt.
                             
}