/*Shif out function
*/

void doSPI_Msb_First(unsigned char d)	//Shift out MSB first
	{
		unsigned char i;
		for(i = 0; i< 8; i++) {
			SDA = 0;
		if(d & 0x80) {		//write the bit if ONE
			SDA = 1;
		}
			SCK = 0;	//pulse the clock OFF to ON
			SCK = 1;	//OFF->ON = rising edge

			d <<= 1;	//displace data one bit left
	}
  }


void doSPI_Lsb_First(unsigned char d)	//Shift out LSB first
	{
		unsigned char i;
		for(i = 0; i< 8; i++) {
			SDA = 0;
		if(d & 0x01) {		//write the bit if ONE
			SDA = 1;
		}
			SCK = 0;	//pulse the clock OFF to ON
			SCK = 1;	//OFF->ON = rising edge

			d >>= 1;	//displace data one bit right
	}
  }