Do not hardcode calibration values (min/max/inversion). The best practice is to load calibration data from the registry during EvtDeviceAdd or EvtDevicePrepareHardware .
Press Win + R , type control tabletpc , and hit Enter to launch the console.
Silead-based devices often require a specific firmware binary ( mssl1680.fw
To build a functional minidriver for an I2C touch device, follow these best practices for the framework: Framework Choice Kernel-Mode Driver Framework (KMDF)