---

// 1
  setA(0,1,0); // green
  setB(1,0,0); // red
  HAL_Delay(5000);

  // 2
  setA(1,1,0); // yellow
  setB(1,0,0);
  HAL_Delay(2000);

  // 3
  setA(1,0,0);
  setB(0,1,0);
  HAL_Delay(5000);

  // 4
  setA(1,0,0);
  setB(1,1,0);
  HAL_Delay(2000);