main (void)
{
Set the Led Pin.
DDRA = (1 << PA7);
DDRA = (1 << PA3);
DDRA = (1 << PB2);
While(1) allows the program to loop
while (1)
{
Set the Led as "ON"
PORTA = (1 << PA7);
PORTA = (1 << PA3);
PORTA = (1 << PB2);
Wait for 1 second;
_delay_ms(1);
Set the Led as "OFF";
PORTA = (0 << PA7);
PORTA = (0 << PA3);
PORTA = (0 << PB2);
Wait for 1 second"
_delay_ms(1);
}
return 1;
keep returning 1 so that the program will loop endlessly
}