AVR port manipulation using bit-fields

main.cpp

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

typedef struct {
  bool BIT0 : 1;
  bool BIT1 : 1;
  bool BIT2 : 1;
  bool BIT3 : 1;
  bool BIT4 : 1;
  bool BIT5 : 1;
  bool BIT6 : 1;
  bool BIT7 : 1;
} Port;

int main()
{
  Port * ddrB = (Port *) &DDRB;
  Port * portB = (Port *) &PORTB;

  ddrB->BIT7 = true;

  while(true)
  {
     portB->BIT7 = true;
     _delay_ms(100);
     portB->BIT7 = false;
     _delay_ms(100);
  }
}