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: The driver must correctly report the HID descriptor to ensure Windows recognizes the device as a digitizer, enabling the native "Tablet PC Settings" required for software-level calibration. Standard Windows Calibration Procedure kmdf hid minidriver for touch i2c device calibration best
// Define the KMDF HID Minidriver's calibration API VOID KMDFHIDCalibrateTouchDevice( _In_ PDEVICE_OBJECT DeviceObject, _In_ PCALIBRATION_DATA CalibrationData ) // Call the calibration function CalibrateTouchDevice(DeviceObject, CalibrationData); : : The driver must correctly report the
Utilize WPP_CONTROL_GUIDS to log raw I2C values and transformed HID values. kmdf hid minidriver for touch i2c device calibration best
Calibration ensures that raw I2C touch coordinates (X, Y) align accurately with screen pixels.
Search for "Calibrate the screen for pen or touch input" in the Windows search bar.
(X, Y, pressure, tip switch, contact ID).