#include <avr/io.h>
#include <util/delay.h>


// Define the I/O port to be used for the LED.
#define LED_PORT PA0

#define LED_DATA_PORT PA3
/*
#define send0() PORTA |= (1 << LED_DATA_PORT); asm volatile("nop"); asm volatile("nop"); asm volatile("nop"); PORTA &= ~(1 << LED_DATA_PORT); asm volatile("nop"); asm volatile("nop"); asm volatile("nop"); asm volatile("nop"); asm volatile("nop"); asm volatile("nop"); asm volatile("nop");
#define send1() PORTA |= (1 << LED_DATA_PORT); asm volatile("nop"); asm volatile("nop"); asm volatile("nop"); asm volatile("nop"); asm volatile("nop"); asm volatile("nop"); PORTA &= ~(1 << LED_DATA_PORT); asm volatile("nop"); asm volatile("nop"); asm volatile("nop"); asm volatile("nop");
#define reset() PORTA &= ~(1 << LED_DATA_PORT); _delay_us(50);
/**/

/* // normal //Everything is lit up - WRONG
//Send 0
#define send0() PORTA |= (1 << LED_DATA_PORT); asm volatile("nop \n nop \n nop"); PORTA &= ~(1 << LED_DATA_PORT); asm volatile("nop \n nop \n nop \n nop \n nop \n nop \n nop");
//Send 1
#define send1() PORTA |= (1 << LED_DATA_PORT); asm volatile("nop \n nop \n nop \n nop \n nop \n nop"); PORTA &= ~(1 << LED_DATA_PORT); asm volatile("nop \n nop \n nop \n nop");
/**/

/* // I/O 1 cycle //Works NOT
//Send 0
#define send0() PORTA |= (1 << LED_DATA_PORT); asm volatile("nop \n nop"); PORTA &= ~(1 << LED_DATA_PORT); asm volatile("nop \n nop \n nop \n nop \n nop \n nop");
//Send 1
#define send1() PORTA |= (1 << LED_DATA_PORT); asm volatile("nop \n nop \n nop \n nop \n nop"); PORTA &= ~(1 << LED_DATA_PORT); asm volatile("nop \n nop \n nop");
/**/

/* // I/O 2 cycles //Works
//Send 0
#define send0() PORTA |= (1 << LED_DATA_PORT); asm volatile("nop"); PORTA &= ~(1 << LED_DATA_PORT); asm volatile("nop \n nop \n nop \n nop \n nop");
//Send 1
#define send1() PORTA |= (1 << LED_DATA_PORT); asm volatile("nop \n nop \n nop \n nop"); PORTA &= ~(1 << LED_DATA_PORT); asm volatile("nop \n nop");
/**/

/**/ // I/O 3 cycles //Works
//Send 0
#define send0() PORTA |= (1 << LED_DATA_PORT); PORTA &= ~(1 << LED_DATA_PORT); asm volatile("nop \n nop \n nop \n nop");
//Send 1
#define send1() PORTA |= (1 << LED_DATA_PORT); asm volatile("nop \n nop \n nop"); PORTA &= ~(1 << LED_DATA_PORT); asm volatile("nop");
/**/

/* // I/O 4 cycles //Works
//Send 0
#define send0() PORTA |= (1 << LED_DATA_PORT); PORTA &= ~(1 << LED_DATA_PORT); asm volatile("nop \n nop \n nop");
//Send 1
#define send1() PORTA |= (1 << LED_DATA_PORT); asm volatile("nop \n nop"); PORTA &= ~(1 << LED_DATA_PORT); 
/**/

/* // I/O 5 cycles //Nothing happens
//Send 0
#define send0() PORTA |= (1 << LED_DATA_PORT); PORTA &= ~(1 << LED_DATA_PORT); asm volatile("nop \n nop");
//Send 1
#define send1() PORTA |= (1 << LED_DATA_PORT); asm volatile("nop"); PORTA &= ~(1 << LED_DATA_PORT); 
/**/

int main(void){
    // Set the LED port number as output.
    DDRA |= (1 << LED_PORT);
  DDRA |= (1 << LED_DATA_PORT);

  //Init VCC and GND for the PIR
  //PORTA |= (1 << VCC_PORT);
  //PORTA &= ~(1 << GND_PORT);
  
  //Init LED data pin with 0
  PORTA &= ~(1 << LED_DATA_PORT);
  int led_1 = 0;
  while(1){

    // Set the LED bit to "1" - LED will be "on".
        /*PORTA |= (1 << LED_PORT);
    
    _delay_ms(500);
    
    PORTA &= ~(1 << LED_PORT);
    
    _delay_ms(500);*/
    
    //_delay_ms(500);
    
    //Try to get the first LED light up red (G8:R8:B8)
    
    //for (int i = 0; i < 28; i++) {
    if ( led_1==0 ) {
        //LED1
        // GREEN
        send0(); send0(); send0(); send0(); send0(); send0(); send0(); send1(); 
        // RED
        send0(); send0(); send0(); send0(); send0(); send0(); send0(); send0(); 
        // BLUE
        send0(); send0(); send0(); send0(); send0(); send0(); send0(); send0(); 
        
    }
    else{
        //LED1
        // GREEN
        send0(); send0(); send0(); send0(); send0(); send0(); send0(); send0(); 
        // RED
        send0(); send0(); send0(); send0(); send0(); send0(); send0(); send1(); 
        // BLUE
        send0(); send0(); send0(); send0(); send0(); send0(); send0(); send0(); 
    }
    
    

    
    
    
    //LED2
    // GREEN
    send0(); send0(); send0(); send0(); send0(); send0(); send0(); send0(); 
    // RED
    send0(); send0(); send0(); send0(); send0(); send0(); send0(); send1();  
    // BLUE
    send0(); send0(); send0(); send0(); send0(); send0(); send0(); send0(); 
    
    //LED3
    // GREEN
    send0(); send0(); send0(); send0(); send0(); send0(); send0(); send0(); 
    // RED
    send0(); send0(); send0(); send0(); send0(); send0(); send0(); send0(); 
    // BLUE
    send0(); send0(); send0(); send0(); send0(); send0(); send0(); send1(); 
    
    //LED4
    // GREEN
    send0(); send0(); send0(); send0(); send0(); send0(); send0(); send1();  
    // RED
    send0(); send0(); send0(); send0(); send0(); send0(); send0(); send1();  
    // BLUE
    send0(); send0(); send0(); send0(); send0(); send0(); send0(); send0(); 
    
    //LED5
    // GREEN
    send0(); send0(); send0(); send0(); send0(); send0(); send0(); send0(); 
    // RED
    send0(); send0(); send0(); send0(); send0(); send0(); send0(); send1();  
    // BLUE
   send0(); send0(); send0(); send0(); send0(); send0(); send0(); send1();  
    
    //LED6
    // GREEN
    send0(); send0(); send0(); send0(); send0(); send0(); send0(); send1();  
    // RED
    send0(); send0(); send0(); send0(); send0(); send0(); send0(); send0(); 
    // BLUE
   send0(); send0(); send0(); send0(); send0(); send0(); send0(); send1();  
    
    //LED7
    // GREEN
    send0(); send0(); send0(); send0(); send0(); send0(); send0(); send1();  
    // RED
    send0(); send0(); send0(); send0(); send0(); send0(); send0(); send1();  
    // BLUE
   send0(); send0(); send0(); send0(); send0(); send0(); send0(); send1();  
    
    
    
    //LED8
    // GREEN
    send0(); send0(); send0(); send0(); send0(); send0(); send0(); send1();  
    // RED
    send0(); send0(); send0(); send0(); send0(); send0(); send0(); send0(); 
    // BLUE
    send0(); send0(); send0(); send0(); send0(); send0(); send0(); send0(); 
    

    //LED9
    // GREEN
    send0(); send0(); send0(); send0(); send0(); send0(); send0(); send0(); 
    // RED
    send0(); send0(); send0(); send0(); send0(); send0(); send0(); send1();  
    // BLUE
    send0(); send0(); send0(); send0(); send0(); send0(); send0(); send0(); 
    
    //LED10
    // GREEN
    send0(); send0(); send0(); send0(); send0(); send0(); send0(); send0(); 
    // RED
    send0(); send0(); send0(); send0(); send0(); send0(); send0(); send0(); 
    // BLUE
    send0(); send0(); send0(); send0(); send0(); send0(); send0(); send1(); 
    /**/

    
    
    
    // RESET to light up the LED
    //PORTA |= (1 << LED_DATA_PORT); _delay_us(1);
    PORTA &= ~(1 << LED_DATA_PORT); _delay_us(50);
    //PORTA |= (1 << LED_DATA_PORT);/**/

    if ( led_1==0 ) {
      led_1 = 1;
    }
    else {
      led_1 = 0;
    }
    
    _delay_ms(1000);
  }
}