#define CLOCKPIN BIT0	//i put all the lines at port 2 to have the Port 1 free for other things
#define LATCHPIN BIT1
#define DATAIN BIT2

int i;// variable for the for loop
int ticks[8];	//only needed to see what the bizarre (val & (1 << i)) in the shiftOut method does

  void shiftOut(int val){	//the shiftOut method to make it easier to send values to the shiftregister it contains all needed steps, and takes an eight bit value (0 to 255)
	  P2OUT &= ~LATCHPIN;	//make sure the Latch Pin is low
	  for(i = 0; i < 8; i++)	//start a loop with 8 steps from zero to eight
	  {
	   if((val & (1 << i))!= 0)	//check if the bit at position "i" is zero or not
	   	   {
		   P2OUT |= DATAIN;	//if not it should send a high to the shift register
	   	   }
	   else
	   	   {
		   P2OUT &= ~DATAIN;//if its zero send a low to the shift register
	   	   }
	   ticks[i] = val & (1 << i); //feed the array "ticks" with the result of the operation that we did in the if loop to see what happens there
	   P2OUT |= CLOCKPIN;	//Clockpin high
	   P2OUT &= ~CLOCKPIN;	// and then low to push the value to the register.
	   }
	   P2OUT |= LATCHPIN;	//pulse the latchpin to
	   P2OUT &= ~LATCHPIN;	//send all eight states to the register
	   }

int main(void) {
    WDTCTL = WDTPW | WDTHOLD;	// Stop watchdog timer
	P2OUT = 0x00;	//switch all P2 Ports off
	P2DIR = 0x07;	//put P2.0, 2.1 and 2.2 to outputs
	
	shiftOut(149);	//this starts the shift register with the given value
	while(1){}	//endless loop
}