WinUsb driver less

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WinUsb driver less

Postby mobyfab » Sun Feb 19, 2017 4:07 pm


I managed to get a driver less IAD device working on one of my projects, so I though I should share the config as it's really convenient.

Basically I use and IAD (composite) device with 2 CDC interface, but the second one is declared as custom (bInterfaceClass set to 0) so that windows does not attach it to a serial port.
That way I can use it directly from the software using the GUID.

On the ChibiOS side I use 2 SDU devices.

Code is here: ... b_config.c

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