Microchip stuido ile AVR mikrodenetleyici kod

#define F_CPU 16000000UL
#include <avr/io.h>
#include <util/delay.h>


//pwm sinyali için fonksiyonların oluşturulması
int pwm = 0;
void InitPWM()
{
    TCCR0 |= 1 << WGM00 | 1 << WGM01 | 1 << CS00 | 1 << COM01;
    DDRB|= 1 << PIND7;
}
void SetPMOutput(int duty)
{
    OCR0 = duty;
}
void Wait()
{
    _delay_loop_2(27000);
  
}
void PWMSTART()
{
    for(pwm=0;pwm<255;pwm++)
    {
        SetPMOutput(pwm);
        Wait();
    }




}
void PWMSTOP()
{
    for (pwm=255;pwm>0;pwm--)
    {
        SetPMOutput(pwm);
        Wait();
    }
}






int main(void) {
    DDRB |= (1 << PB0);
    PORTA = 0xFF;// Port A'yı çıkış olarak ayarlama
    DDRB &= ~(0xFE); // Port B'yi giriş olarak ayarla pb0 ariç
    // Port B'yi yüksek seviyeye çek
  
    DDRD = 0xFF; // Port D'yi çıkış olarak ayarla
  
    InitPWM();
    PORTA |= (1<<PA1);
    PORTA |= (1<<PA2);
    PORTA |= (1<<PA3);
    PORTA |= (1<<PA4);
    PORTA |= (1<<PA5);
    PORTA |= (1<<PA6);
    PORTA |= (1<<PA7);
    PWMSTART();
    Wait();
    _delay_ms(3000);
    PORTA &= ~(1<<PA1);
    PORTA &= ~(1<<PA2);
    PORTA &= ~(1<<PA3);
    PORTA &= ~(1<<PA4);
    PORTA &= ~(1<<PA5);
    PORTA &= ~(1<<PA6);
    PORTA &= ~(1<<PA7);
    _delay_ms(3000);
  

    while (1) { // Sürekli döngü
        PORTB |= _BV(PB0); // LED yak
        _delay_ms(100);
        PORTB &= ~_BV(PB0); // LED söndür
        _delay_ms(100);
      
      
      
        uint8_t pb_data = PINB & 0x78; // PB3, PB4, PB5 ve PB6 girişlerini oku
  
     if ((PINB & (1 << PB1)) == (1 << PB1)){//3.vites
        if (pb_data == 0x08) { // 0,0,1,0
        PORTA |= (1 << PA5);
       _delay_ms(15);
        PORTA |= (1 << PA2);
       _delay_ms(15);
        PWMSTART();
        }
        else
        {
        PORTA&= ~(1 <<PA5);
        PORTA&= ~(1 <<PA2);
        PWMSTOP();
        }
        if (pb_data == 0x00) { // 0,0,0,0 vites2
       PORTA |= (1 << PA4);
      _delay_ms(15);
       PORTA |= (1 << PA2);
      _delay_ms(15);
       PWMSTART();
        }
        else
        {
        PORTA&= ~(1 <<PA4);
        PORTA&= ~(1 <<PA2);
        PWMSTOP();
        }
        if (pb_data == 0x10) { // 1,0,0,0 vites1
         PORTA |= (1 << PA3);
         _delay_ms(15);
         PORTA |= (1 << PA2);
         _delay_ms(15);
         PWMSTART();
        }
        else
        {
        PORTA&= ~(1 <<PA3);
        PORTA&= ~(1 <<PA2);
        PWMSTOP();
        }
        if (pb_data == 0x94) { // 1,0,1,1
          PORTA |= (1 << PA6);
          _delay_ms(15);
          PORTA |= (1 << PA2);
          _delay_ms(15);
          PWMSTART();
        }
        else
        {
        PORTA&= ~(1 <<PA6);
        PORTA&= ~(1 << PA2);
        PWMSTOP();
        }
  
        
      }
      else{
  
      }
    }
uint8_t pb_data = PINB & 0x78; // PB3, PB4, PB5 ve PB6 girişlerini o
                                        
    if ((PINB & (1 << PB2)) == (1 << PB2)){//geri vites için
    if (pb_data == 0x08)//vites 3
    {
     PORTA |= (1 << PA5);
     _delay_ms(15);
     PORTA |= (1 << PA1);
     _delay_ms(15);
     PWMSTART();
    }
    else
    {
   PORTA&= ~(1 <<PA5);
   PORTA&= ~(1 <<PA1);
   PWMSTOP();
    }
    if (pb_data == 0x00){//vites 2
     PORTA |= (1<<PA4);
    _delay_ms(15);
     PORTA |= (1<<PA1);
    _delay_ms(15);
    PWMSTART();
    }
    else
    {
     PORTA&= ~(1 <<PA4);
     PORTA&= ~(1 <<PA1);
     PWMSTOP();
    }
    if (pb_data == 0x10){//vites 1
    PORTA |= (1<<PA3);
    _delay_ms(15);
    PORTA |= (1<<PA1);
    _delay_ms(15);
    PWMSTART();
    }
    else
    {
     PORTA&= (1<<PA3);
     PORTA&= (1<<PA1);
     PWMSTOP();
    }

     if (pb_data == 0x94){//vites 4
     PORTA|= (1<<PA6);
    _delay_ms(15);
     PORTA|= (1<<PA1);
    _delay_ms(15);
     }
     else
     {
   PORTA&= (1<<PA6);
   PORTA&= (1<<PA1);
   PWMSTOP();
     }

    }

    return 0;
}//ᴡʀɪᴛᴇᴅ ʙʏ 𝘒𝘶𝘴𝘏