int newstate1,newstate2,newstate3,sensor1state,sensor2state,sensor3state,m;


task sensorstate()
{
while (true)
{
  newstate1 = SENSOR_1;
  newstate2 = SENSOR_2;
  newstate3 = SENSOR_3;
  if (newstate1 != sensor1state)
  {
    if (newstate1 == 1) m = 2;
    if ((newstate1 == 0) && (newstate3 == 0)) m = 6;
    sendmessage();
    sensor1state = newstate1;
  }
    if (newstate3 != sensor3state)
  {
    if (newstate3 == 1) m = 1;
    if ((newstate1 == 0) && (newstate3 == 0)) m = 6;
    sendmessage();
    sensor3state = newstate3;
  }
    if (newstate2 != sensor2state)
  {
    if (newstate2 > 4) m = 3;
    if (newstate2 < -4) m = 4;
    if ((newstate2 >= -4) && (newstate2 <= 4)) m = 5;
    sendmessage();
    sensor2state = newstate2;
  }
}
}



sub sendmessage()
{
  repeat (m)
  {
    PlayTone(220,1);
    Wait(2);
  }
  
  ClearMessage();
  SendMessage(m);
  Wait(50);
  if (Message() == 255)
  {
    SendMessage(m);
  }
  else
  {
    SendMessage(m);
  }
}



task main()
{
  sensor1state = 0;
  sensor2state = 0;
  sensor3state = 0;
  newstate1 = 0;
  newstate2 = 0;
  newstate3 = 0;
  ClearSensor(SENSOR_2);
  SetSensor(SENSOR_1,SENSOR_TOUCH);
  SetSensor(SENSOR_3,SENSOR_TOUCH);
  SetSensor(SENSOR_2,SENSOR_ROTATION);
  start sensorstate;
  
}