#include <SPI.h>
int number = 0;
int input = 0;
SPISettings settingsB(16000000, LSBFIRST, SPI_MODE3);

void setup (void) {
  Serial.begin (115200);   // debugging
  SPCR |= bit (SPE);
  pinMode(SS, INPUT);
  SPI.begin ();
}

void loop (void) {
  Serial.println("SS being read");
  input = digitalRead(SS);
  if(input == LOW){
    SPI.beginTransaction(settingsB);
    number = 0;
    number = SPI.transfer(0);
    SPI.endTransaction();
    Serial.println(number);
  }
}