private void setSpeedCommon(MotorInstance inst, float percent)
        {
            try
            {
                // Direction is a bitmask and can only be set for both motors.
                byte dir = 0x02;
                if (percent < 0)
                {
                    dir     = 0x01;
                    percent = Math.Abs(percent);
                }

                /*
                 * if (inst == MotorInstance.A)
                 * {
                 *  dir <<= 2;
                 *  direction = (byte)((direction & 0x3) | dir);
                 * }
                 * else
                 * {
                 *  direction = (byte)((direction & 0xC) | dir);
                 * }
                 *
                 * byte[] dirBuffer = new byte[] { DirectionSet, direction, Nothing };
                 *
                 * motorController.Write(dirBuffer);
                 */
                byte speed = (byte)Math.Floor(percent * 255);

                byte[] setSpeedBuffer = new byte[] { (inst == MotorInstance.A)?MotorSetA : MotorSetB, dir, speed };

                motorController.Write(setSpeedBuffer);
            }
            catch (Exception e)
            {
                Debug.WriteLine("Exception: " + e.Message + "\n" + e.StackTrace);
                throw;
            }
        }
        private void setSpeedCommon(MotorInstance inst, float percent)
        {
            try
            {
                // Direction is a bitmask and can only be set for both motors at once (though you can set different directions for each)
                byte dir = 0x02;
                if (percent < 0)
                {
                    dir     = 0x01;
                    percent = Math.Abs(percent);
                }

                byte speed = (byte)Math.Floor(percent * 255);

                byte[] setSpeedBuffer = new byte[] { (inst == MotorInstance.A) ? MotorSetA : MotorSetB, dir, speed };

                motorController.Write(setSpeedBuffer);
            }
            catch (Exception e)
            {
                Debug.WriteLine("Exception: " + e.Message + "\n" + e.StackTrace);
                throw;
            }
        }