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Please define HF2 interface identification rules #25
Description
For HF2 you don't specify any method of recognizing an HID interface as providing HF2.
I suggest two possible methods:
- Interface name containing "HF2".
- Declare a HID usage page for HF2.
Ideally both would be required in an implementation, letting the host use whichever is easiest and/or supported by the USB library being used.
Activity
[-]Please define a HF2 interface identification rules[/-][+]Please define HF2 interface identification rules[/+]mmoskal commentedon Dec 16, 2020
HID isn't ideal for HF2 (despite the name). We've been recently using just a custom USB class with two bulk end-points. This is also the approach taken by CMSIS DAP 2. It's faster and works driver-less in all modern OSes. It also allows for usage from WebUSB.