Kmdf Hid Minidriver For Touch I2c Device Calibration Best Patched 〈99% OFFICIAL〉

The Touch Controller reports raw ADC values. The KMDF driver applies the math before reporting up to HIDClass.sys .

Creating WDF HID Minidrivers - Windows drivers - Microsoft Learn kmdf hid minidriver for touch i2c device calibration best

LONG ApplyCalibrationX(LONG rawX, LONG rawY, PCALIBRATION_DATA cal) double result = cal->A * rawX + cal->B * rawY + cal->C; result = max(0, min(cal->DisplayWidth - 1, result)); return (LONG)result; The Touch Controller reports raw ADC values

X_display = (X_raw - X_min) * (DisplayWidth / (X_max - X_min)) Y_display = (Y_raw - Y_min) * (DisplayHeight / (Y_max - Y_min)) PCALIBRATION_DATA cal) double result = cal-&gt

X_display = A * X_raw + B * Y_raw + C Y_display = D * X_raw + E * Y_raw + F