It is also worth checking here are you connecting to both USB ports on
the board?  That configuration will expose a CDC/ACM device on the
non-debug USB port on the board.

It is also worth noting that they made a slight change to the design
around the debugger in that version so you can also get the UART via
ST-Link port and (I believe) be able to just use that with the NSH
(non usb) configuration to get the console.

--Brennan

On Wed, Dec 2, 2020 at 9:41 AM Alan Carvalho de Assis <acas...@gmail.com> wrote:
>
> Hi Thiha,
>
> I don't know what you mean "does not work".
>
> It is like someone calling the Help Desk and saying: "My computer
> doesn't work" Hehehe
>
> You need to describe what exactly is not working based on the steps
> you are doing.
>
> After flashing the firmware and resetting the board, does the dmesg
> command on Linux shows that a CDC/ACM ttyUSB0 device was detected?
>
> Just a dump question:
>
> Did you hit <ENTER> three times after opening /dev/ttyUSB0 on minicom?
>
> BR,
>
> Alan
>
> On 12/2/20, Thiha Kyaw <thiha....@gmail.com> wrote:
> > Dear Nuttx,
> >
> > USBNSH console does not work in stm32F407G-disc1 Board.
> >
> > stm32F407G-disc1 is upgraded version of stm32f4discovery board.
> >
> > I only see the serial port from STLINK.
> >
> > How can I get nuttx serial port from USB?
> >
> > I use Ubuntu 18.04
> >
> > Thanks.
> >
> > --
> > Yours Sincerely,
> > Thiha Kyaw
> >

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