#define DDR_SPI DDRB
#define CS PB0


void SPI_Init() {
  // put your setup code here, to run once:
  DDR_SPI = 0b00000111;
  SPCR = (1<<SPE)|(1<<MSTR)|(1<<SPR0);
  //PORTB |= 1<<PB0;
}


void transmit_DATA(char adr,char reg){
  PORTB &= ~(1<<CS);
  SPI_MasterTransmit(adr);
  SPI_MasterTransmit(reg);
  PORTB |= (1<<CS);
}

void SPI_MasterTransmit(char cData) {
  /* Start transmission */
  SPDR = cData;
  /* Wait for transmission complete */
  while(!(SPSR & (1<<SPIF)))
  {

  }
}

int main(){
  SPI_Init();
  
  transmit_DATA(0x0C,1);
  transmit_DATA(0x0b,7);
  transmit_DATA(0x0F,0);
  while(1){
transmit_DATA(1,1);
  }
}