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STM32F4 USB VCP (cdc) and DFU

Question asked by deliancourt.sebastie on Mar 26, 2015
Latest reply on Jun 9, 2016 by marjamaa.roman

I communicate with an STM32F4 eval board and a host computer by using VCP, I would like permit a DFU by using software.
I search the quickly solution to implement both. I hesit between redefine USB interface when STM32 receive a specific request by VCP (desactivate VCP and activate DFU) but i don't know if is possible, the second solution will be to implement two interface with CDC but I'm not really good with USB.

All advice are welcome. Thanks by advance