 int16_t pitch, yaw, roll;
 uint8_t throttle;
 int8_t pitch_adj, yaw_adj, roll_adj; // for ramping the directional input
-boolean pitch_stick = true, yaw_stick = false, roll_stick = false;
 
 // op control variables
 // state == 0 to DELAY_OP-1 -> off / debounce, state == DELAY_OP -> on

void setup()
{
  setupSerial();
  
  setupState();
  setupHelm();
  setupOps();

      if (adj++ >= RAMP_MAX)
        adj = RAMP_MAX;
      break;

    case zero:
      if (adj-- <= RAMP_MIN)
        adj = RAMP_MIN;
