#define __NOTETIME   10
#define __WAITTIME   12

int PulseCount;
int Value;

task main()
{
  PulseCount = 0;
  start Count;
  
  SetSensor(SENSOR_2,SENSOR_LIGHT);
  SetSensor(SENSOR_1,SENSOR_TOUCH);
  GetValue();
  PlayMusic(Value);
  PlayMusic(Value);
  PlayMusic(Value);
  StopAllTasks();
  
}

task Count()
{
  while (true)
  {
    until (SENSOR_1 == 0);
    Wait(5);
    PulseCount++;
    until (SENSOR_1 == 1);
    Wait(5);
    PulseCount++;
  }
}

void GetValue()
{
  Value = 0;
  OnFwd(OUT_A);
  until (SENSOR_2 < 40);
  until (SENSOR_2 > 40);
  PulseCount = 0;
  until (PulseCount > 21);
  PulseCount = 0;
  repeat (14)
  {
    Value *= 2;
    if (SENSOR_2 > 40) Value++;
    until (PulseCount > 14);
    PulseCount = 0;
  }
  until (PulseCount > 50);      
  Off(OUT_A); 
  
}

void PlayMusic(int data)
{
  repeat (7)
  {
    if ((data & 3) == 0 ) {PlayTone(262,4*__NOTETIME); Wait(4*__WAITTIME);}
    if ((data & 3) == 1 ) {PlayTone(294,4*__NOTETIME); Wait(4*__WAITTIME);}
    if ((data & 3) == 2 ) {PlayTone(330,4*__NOTETIME); Wait(4*__WAITTIME);}
    if ((data & 3) == 3 ) {PlayTone(349,4*__NOTETIME); Wait(4*__WAITTIME);}
    data /= 4;
  }
}