Hi Matteo,

Very nice! Great news!

Could you share what you did to fix the serial baud-rate? Are you using the
HSI instead of the external crystal?

BR,

Alan

On Fri, Jan 24, 2025 at 9:00 PM Matteo Golin <matteo.go...@gmail.com> wrote:

> Hello Alan,
>
> We managed to boot into NSH later this afternoon! Thanks again for the
> help!
>
> It appears after some grep searching that `board_autoled_on(LED_STARTED)`
> is never called by any architecture startup code. Most boards seem to turn
> on the start LED in the initialize function themselves. But, panic and
> assertion and etc. calls are made, so it's good to know it's not a problem
> with our LED code. I was able to turn them all on from the initialize
> function as well.
>
> Thanks again for the help! I'll likely email here again later to show our
> flight computer once we confirm we can talk to the sensors and GPS.
>
> Matteo
>
> On Fri, Jan 24, 2025, 6:25 PM Alan C. Assis <acas...@gmail.com> wrote:
>
> > Hi Matteo,
> >
> > Nice to know you are doing processes!
> >
> > The diagnostic LEDs (CONFIG_ARCH_LEDS) is also "very board specific", the
> > Documentation highlights it here:
> > https://nuttx.apache.org/docs/latest/reference/os/led.html
> >
> > Also, the board_autoled_on/off depends on how your LED is physically
> > connected on your board: common cathode / common anode.
> >
> > You need to keep it in mind to configure your board LED for diagnostics
> > purposes correctly.
> >
> > BR,
> >
> > Alan
> >
> > On Fri, Jan 24, 2025 at 6:15 PM Matteo Golin <matteo.go...@gmail.com>
> > wrote:
> >
> > > Hello,
> > >
> > > I've been able to get our board to boot with the help of this video on
> > the
> > > NuttX channel. At least, we can see LEDs. However I only get noise on
> the
> > > USART console right now, so I am going to try running off of the HSI
> > > instead of the HSE and see if anything changes. I think the shell is
> > there,
> > > just at the wrong speed. The boot time is quite slow so I think
> something
> > > may be wrong with our HSE.
> > >
> > > I have one question, which is that I'm noticing that the autoleds does
> > not
> > > seem to be working properly. I found that the `board_autoled_on`
> function
> > > never seems to be called with LED_STARTED. I can turn on the LEDs if I
> > set
> > > them high in the `board_autoled_initialize` function though. In the
> > > menuconfig options I saw that I can also enable
> > > `CONFIG_ARCH_LEDS_CPU_ACTIVITY`. Is this needed to have
> > > `board_autoled_on(LED_STARTED)` to occur?
> > >
> > > Thanks again for all your help!
> > > Matteo
> > >
> > > On Thu, Jan 23, 2025 at 11:31 AM Alan C. Assis <acas...@gmail.com>
> > wrote:
> > >
> > > > Hi Matesz,
> > > >
> > > > Yes, LWL is slow because it is working using a polling approach
> (AFAIK
> > > ARM
> > > > DAP has support for interruption, but it is not implemented yet).
> > > > The main purpose of the LWL is to be the initial console before the
> > real
> > > > serial driver is not implemented yet.
> > > >
> > > > I think J-Link is a nice tool and I have it too. But it is always
> > better
> > > to
> > > > use an open source solution when possible :-)
> > > >
> > > > BR,
> > > >
> > > > Alan
> > > >
> > > > On Thu, Jan 23, 2025 at 5:46 AM raiden00pl <raiden0...@gmail.com>
> > wrote:
> > > >
> > > > > > To be honest I didn't hear about this LWL (Lightweight Link)
> > before,
> > > > > what a great discovery, nsh directly over JTAG/SWD with no UART!!
> > > > > Thank you Alan!! :-)
> > > > >
> > > > > There is also RTT console support in NuttX, so you can use JLink
> > > > debuggers
> > > > > without any UART.
> > > > > Also there are more powerful tools for Segger debuggers in NuttX,
> > like
> > > > > SystemView.
> > > > >
> > > > > Last time I tested LWL it was terribly slow and heavily loaded the
> > CPU
> > > -
> > > > > incomparably worse than RTT.
> > > > >
> > > > > Personally I recommend converting STLINK to JLINK if possible with
> > > > >
> > > > >
> > > >
> > >
> >
> https://www.segger.com/products/debug-probes/j-link/models/other-j-links/st-link-on-board/
> > > > > or even investing in a dedicated tool from Segger. It's really
> money
> > > > worth
> > > > > investment.
> > > > >
> > > > > śr., 22 sty 2025 o 22:45 Tomek CEDRO <to...@cedro.info>
> napisał(a):
> > > > >
> > > > > > On Wed, Jan 22, 2025 at 3:26 PM Matteo Golin <
> > matteo.go...@gmail.com
> > > >
> > > > > > wrote:
> > > > > > > I did not even realize it would be possible to get a shell over
> > the
> > > > > debug
> > > > > > > probe; that would be quite a useful feature for bringing up new
> > > > > boards! I
> > > > > > > might read into that if I have success with the UART later.
> > > > > >
> > > > > > Modern debug probes usually provide JTAG/SWD interface for debug
> > (USB
> > > > > > HID), UART console (USB CDC), and filesystem storage for
> > > drag-and-drop
> > > > > > firmware flashing (USB MSC) over single USB connection. Even
> "dumb"
> > > > > > FT2232 like probes have two channels one for JTAG/SWD and another
> > for
> > > > > > UART console :-)
> > > > > >
> > > > > > Most STLinks provide all 3 functionalities, except the old ones
> > with
> > > > > > small MCU that provides onboard debug only. You can even use most
> > > > > > STM32 devkits as the debug probe (jumpers configurable). Latest
> > > > > > devkits use more powerful MCU for the onboard debug probe than
> the
> > > > > > target MCU few years back. There is a windoze based utility from
> > STM
> > > > > > that allows you to upgrade firmware and view / configure feature
> of
> > > > > > various STLink debug probes including those installed on
> devkits..
> > it
> > > > > > sometimes solves strange problems too :-)
> > > > > >
> > > > > > To be honest I didn't hear about this LWL (Lightweight Link)
> > before,
> > > > > > what a great discovery, nsh directly over JTAG/SWD with no UART!!
> > > > > > Thank you Alan!! :-)
> > > > > >
> > > > > > https://www.youtube.com/watch?v=A4aCwoABGB8
> > > > > >
> > > > > > --
> > > > > > CeDeROM, SQ7MHZ, http://www.tomek.cedro.info
> > > > > >
> > > > >
> > > >
> > >
> >
>

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