#define F_CPU 16000000UL
#include <avr/io.h>
#include <stdint.h>
#include <avr/interrupt.h>
#include "SPI.h"
int LD = 8;
int CS = 10;
int A = 2;
int B = 3;
int C = 4;
//int v_port = 9;
word outputValue = 0; // a word is a 16-bit number
byte data = 0; // and a byte