angle_conversion_function.txt

double ComputeAngle(absData_t * touchData)
{
  double x = (double) touchData->xValue;
  double y = (double) touchData->yValue * 4 / 3;
  double angle = atan2 ((1024-y), (x-1024)) * 180 / PI;     
  angle  = angle > 0 ? angle : (360 + angle);
  return angle;
}