V1.2.1
1. Add feature: notify sensor failure: onFail() in INewDistance (available on TCM version:V1.21 210120 or above)
2. Add feature: soft reset TCM SoftResetTCM(), which can be used if sensor is malfunctional. (available on TCM version:V1.21 210120 or above)

V1.1.0
1. Add feature: store/load calibration data on hardware (available on TCM version:V1.1 201117 or above)
2. Add notification: limit switch on/off
3. Fix some bugs. 


V1.0.1
1. Add smart mode

V1.0.0
1. First release.