Kmdf Hid Minidriver For Touch I2c Device Calibration Guide

Use WdfRequestSend down to the HID class driver via a touch collection.

WDFMEMORY memory; WDF_MEMORY_DESCRIPTOR memDesc; WdfMemoryCreatePreallocated(WDF_NO_OBJECT_ATTRIBUTES, report, sizeof(HID_TOUCH_REPORT), &memory); WDF_MEMORY_DESCRIPTOR_INIT_BUFFER(&memDesc, report, sizeof(HID_TOUCH_REPORT)); return HidDevice_SubmitInterruptReadReport(Device, &memDesc); kmdf hid minidriver for touch i2c device calibration

. Calibration issues with this driver often manifest as inverted axes, offset touch points, or dead zones. Troubleshooting Calibration Issues Use WdfRequestSend down to the HID class driver