On Sun, Jan 17, 2021 at 8:43 AM Flavio Castro Alves Filho < flavio.al...@gmail.com> wrote:
> Hello, > > I am working to port NuttX on a board based on STM32F4DISCOVERY. The > microcontroller is the STM32F407VET6. > > USB CDC support is not initializing. > > When I plug the USB on the board, I have the following dmesg response in > Linux: > > [517062.075048] usb usb1-port2: attempt power cycle > [517062.726922] usb 1-2: new full-speed USB device number 47 using xhci_hcd > [517062.727170] usb 1-2: Device not responding to setup address. > [517062.935148] usb 1-2: Device not responding to setup address. > [517063.142906] usb 1-2: device not accepting address 47, error -71 > [517063.270916] usb 1-2: new full-speed USB device number 48 using xhci_hcd > [517063.271141] usb 1-2: Device not responding to setup address. > [517063.479134] usb 1-2: Device not responding to setup address. > > When I run stm32f4discovery:usbnsh on my discovery board, it works. > > I compared the defconfig from the base project and from mine and I > believe I have initialized everything that is related to the USB. Also try checking the board init code of stm32f4discovery:usbnsh and see if there are any driver initialization calls that you forgot to do in your board? Nathan
