Thiha, it may relate to the bug in usb console and fix by: https://github.com/apache/incubator-nuttx-apps/pull/521 please try it.
Thanks Xiang On Thu, Dec 3, 2020 at 5:51 AM Alan Carvalho de Assis <acas...@gmail.com> wrote: > Hi Thiha, > > My stm32f4discovery board is MB997B (not the newer version). > > It is strange, I don't believe you are the first person to test USB > Console on stm32f407g-disc1 (but I could be wrong). > > I searched for differences between these boards, and they don't appear > related to USB: > > > https://community.st.com/s/question/0D50X00009XkZJVSA3/stm32f4discovery-vs-stm32f407gdisc1-exact-differences-hardware-or-software > > Since Linux is detecting it as ttyACM1 it means that the basic USB > initialization is working. > > Is the LD5 turned on all the time or is it blinking? > > BR, > > Alan > > On 12/2/20, Thiha Kyaw <thiha....@gmail.com> wrote: > > Dear Alan, > > > > I am switching back to normal nsh. > > > > But I want to update a bit. > > > > I got ttyACM1 after building using the latest Nuttx. ttyACM0 is from > > STLINK. > > But nsh> shell doesn't appear. > > > > After hitting <Enter> a few times, the serial terminal is freezed. > > > > I have another board, STM32F429i-Disco. I didn't face this problem in > F429i > > Board. > > > > stm32F407G-disc1 mini USB is at FS USB mode. > > TM32F429i-Disco's mini usb is at HS USB mode. > > > > I am not sure it could be the problem in usbnsh configuration. > > > > @Berennan, > > > > STLINK chip on stm32F407G-disc1 does not connect to any UART port. That's > > why STLINK port cannot use as a console as well. > > > > It is very special case. > > > > Thank you. > > > > Regards, > > Thiha > > > > > > > > On Thu, Dec 3, 2020 at 3:24 AM Alan Carvalho de Assis <acas...@gmail.com > > > > wrote: > > > >> Yes, good point! > >> > >> The USB at the bottom of the board is the USB that will work as USB > >> CDC/ACM Console. > >> > >> BR, > >> > >> Alan > >> > >> On 12/2/20, Brennan Ashton <bash...@brennanashton.com> wrote: > >> > 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 > >> >> > > >> > > >> > > > > > > -- > > Yours Sincerely, > > Thiha Kyaw > > >
