Kmdf Hid Minidriver For Touch I2c Device Calibration
Matching the digital range of the touch IC (e.g., 0-4095) to the display resolution.
User Mode ---------------------------- HID Class Driver │ Kernel Mode │ HID minidriver callbacks ▼ KMDF HID Minidriver │ I²C KMDF Lower Filter │ (or replaces HIDI2C.sys) ▼ I²C Controller Driver │ Hardware ▼ Touch Device (I²C) kmdf hid minidriver for touch i2c device calibration
A real-world scenario: An industrial HMI running in a warehouse (-10°C to 50°C). The I2C touch controller’s raw coordinates drifted 120 pixels over the temperature range. Matching the digital range of the touch IC (e
Storage formats
The app sends these new values to the driver. kmdf hid minidriver for touch i2c device calibration