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STM32F4 OTG FS rxFiFO DFifo

Question asked by massarenti.ivan on Jul 31, 2015
Latest reply on Aug 5, 2015 by massarenti.ivan
Hello,
i am new to arm programming. I'd like to create a usb stack with STM32f4. Now i am working on a Stm32F4 Discovery kit.
I read the reference guide regarding the OTG FS in device mode but i still can't understand how Rx FIFO and DFIFO are related, and How to read data from it.
For example, for EP0 what is the procedure to get a SETUP  packet data? after reading the POP register should i always read at DFIFO at address 0x1000 ?
Please help me

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