#include <SPI.h>

void setup() {
  SPI.begin();
  SPI.beginTransaction(SPISettings(125000, MSBFIRST, SPI_MODE0));
  SPI.transfer16(0xFFFF);
  SPI.transfer16(0xFFFF);
  SPI.transfer16(0b1111111101010111);
  digitalWrite(11, HIGH);
  SPI.endTransaction();
}

void loop() {
}