[STM32F407]How to make the link between the SD in SDIO and the USB OTG in MSC ?
HiI have a Clicker2 demo card (it is like a discovery card). I have a SD in SDIO 4 bits mode with DMA : no problem, work fine. I can read and write to it with the FatFS library.I want to access this card with the USB port. So I initialize the USB_OTG...