USB HS CDC stop working if Internal IP DMA is enabled on STM32F469NI
Hi,I am working on STM32F469NI using the USB OTG HS peripheral in CDC (VCOM) mode.When using USB CDC without DMA, the VCOM works fine.However, when I enable Internal IP DMA (from CubeMX → USB_OTG_HS → Parameter Settings → Enable internal IP DMA), the...