AnsweredAssumed Answered

stm32f207 composite USB device

Question asked by carpenter.adrian on Jul 25, 2013
Latest reply on May 9, 2014 by dalin.johan
I'm trying to create a composite full speed device which combines HID (vendor specific) and Mass Storage.

Anybody out there managed to create a working composite device using the ST libraries for the f2xx? (or f4xx)

There is no example in the library code, I've been unable to create a working device (created a composite device descriptor will callbacks to the provided classes) but it doesn't enumerate properly, the composite descriptor gets passed to the PC but the interfaces don't seem to setup correctly.

Reading the web it would seem that the library is broken for composite devices and I tend to agree, the F3 library specifically includes a composite example but the library architecture is different to the F2/F4 library.

This is driving me insane.

Adrian

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