Kmdf Hid Minidriver For Touch I2c Device Calibration [2021]

Calibration data: formats, storage, and versioning

// Write new calibration memset(buffer, 0, sizeof(buffer)); buffer[0] = CMD_WRITE_CALIBRATION; memcpy(buffer + 1, newCalibData, calibSize); HidD_SetFeature(hDevice, buffer, sizeof(buffer)); kmdf hid minidriver for touch i2c device calibration

For a targeting an I2C touch device, calibration is typically handled at the operating system level via standard Windows tools or by injecting specific registry parameters that the driver reads to modify incoming raw coordinates . 1. Identify Calibration Registry Path Calibration data: formats, storage, and versioning // Write

Before making changes, verify you have the correct driver installed. Press Win + X and select . Expand Human Interface Devices . Look for KMDF HID Minidriver for Touch I2C Device . Calibration data: formats

VOID ApplyCalibration(PTOUCH_POINT RawPoint, PTOUCH_POINT CalibratedPoint)

NTSTATUS GetInputReport(WDFDEVICE Device, PVOID ReportBuffer, ULONG BufferLength)