Thank you Sebastien,

Seems an interesting alternative, but ordering from the Internet will
arrive fast too.

BR,

Alan

On Mon, Apr 14, 2025 at 10:43 AM Sebastien Lorquet <sebast...@lorquet.fr>
wrote:

> Hello
>
> If you are in a hurry you can use another pico as picoprobe
>
>
> https://mcuoneclipse.com/2022/09/17/picoprobe-using-the-raspberry-pi-pico-as-debug-probe/
>
> I find that quite cool.
>
> Sebastien
>
>
> On 14/04/2025 14:09, Alan C. Assis wrote:
> > Hi Kevin,
> >
> > I will order a Pico Debug probe, it is something new for me.
> >
> > In fact it seems like a heisenbug, I just compiled from mainline and
> after
> > drag and drop it worked, but this time I had to use nautilus with sudo
> > because the Copy option to RPI-RP2 disk wasn't working.
> >
> > BR,
> >
> > Alan
> >
> > On Mon, Apr 14, 2025 at 8:48 AM Kevin Witteveen <kevinwit1...@gmail.com>
> > wrote:
> >
> >> Hi,
> >>
> >> Thanks for the fast response.
> >> I'm glad posting this issue to the mailing list was worth it. The github
> >> issue got no attention.
> >> The RP2040 support is very important to me.
> >>
> >> There is something I want to add to this issue.
> >>
> >> -- Flashing --
> >>
> >> I mainly flash the firmware using the Pico Debug probe or the picotool
> via
> >> USB.
> >> I tested the drag&drop method and it actually does create ttyACMx for
> me.
> >> But what concerns me is that this can be another unreliable symptom or
> >> "heisenbug".
> >>
> >> Best,
> >>
> >> Kevin
> >>
> >> Op ma 14 apr 2025 om 13:27 schreef Alan C. Assis <acas...@gmail.com>:
> >>
> >>> Hi Kevin and Alin,
> >>>
> >>> I confirmed that NuttX 12.9-RC1 is broken on Raspberry Pi Pico.
> >>>
> >>> After copying the nuttx.uf2 to virtual disk RPI-RP2 the board restart
> by
> >>> the /dev/ttyACM0 is not created.
> >>>
> >>> Please find the steps below:
> >>>
> >>> alan@dev:/tmp$ cd nuttx/
> >>> alan@dev:/tmp/nuttx$ . tools/configure_completion.bash
> >>> alan@dev:/tmp/nuttx$ ./tools/configure.sh raspberrypi-pico:usbnsh
> >>>
> >>> alan@dev:/tmp/nuttx$ make -j
> >>> Create version.h
> >>> LN: platform/board to /tmp/apps/platform/dummy
> >>> Register: hello
> >>> Register: nsh
> >>> Register: sh
> >>> Register: getprime
> >>> Register: ostest
> >>> CPP:
> >>>
> >>>
> >>
> /tmp/nuttx/boards/arm/rp2040/raspberrypi-pico/scripts/raspberrypi-pico-flash.ld->
> >>> /tmp/nuLD: nuttx
> >>> Memory region         Used Size  Region Size  %age Used
> >>>             flash:        152 KB         2 MB      7.42%
> >>>              sram:        8872 B       264 KB      3.28%
> >>> Generating: nuttx.uf2
> >>> Done.
> >>>
> >>> alan@dev:/tmp/nuttx$ arm-none-eabi-gcc -v
> >>> Using built-in specs.
> >>> COLLECT_GCC=arm-none-eabi-gcc
> >>> COLLECT_LTO_WRAPPER=/usr/lib/gcc/arm-none-eabi/13.2.1/lto-wrapper
> >>> Target: arm-none-eabi
> >>> Configured with: ../configure --build=x86_64-linux-gnu --prefix=/usr
> >>> --includedir='/usr/lib/include' --mandir='/usr/lib/share/man'
> >>> --infodir='/usr/lib/share/info' --sysconfdir=/etc --localstatedir=/var
> >>> --disable-option-checking --disable-silent-rules
> >>> --libdir='/usr/lib/lib/x86_64-linux-gnu'
> >>> --libexecdir='/usr/lib/lib/x86_64-linux-gnu' --disable-maintainer-mode
> >>> --disable-dependency-tracking --mandir=/usr/share/man
> >>> --enable-languages=c,c++,lto --enable-multilib --disable-decimal-float
> >>> --disable-libffi --disable-libgomp --disable-libmudflap
> >>> --disable-libquadmath --disable-libssp --disable-libstdcxx-pch
> >>> --disable-nls --disable-shared --disable-threads --enable-tls
> >>> --build=x86_64-linux-gnu --target=arm-none-eabi --with-system-zlib
> >>> --with-gnu-as --with-gnu-ld --with-pkgversion=15:13.2.rel1-2
> >>> --without-included-gettext --prefix=/usr/lib
> >>> --infodir=/usr/share/doc/gcc-arm-none-eabi/info
> >>> --htmldir=/usr/share/doc/gcc-arm-none-eabi/html
> >>> --pdfdir=/usr/share/doc/gcc-arm-none-eabi/pdf --bindir=/usr/bin
> >>> --libexecdir=/usr/lib --libdir=/usr/lib --disable-libstdc++-v3
> >>> --host=x86_64-linux-gnu --with-headers=no --without-newlib
> >>> --with-multilib-list=rmprofile,aprofile ASFLAGS= ASFLAGS_FOR_BUILD=
> >>> CFLAGS='-g -O2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
> >>>
> >>>
> >>
> -ffile-prefix-map=/build/gcc-arm-none-eabi-TuTZN0/gcc-arm-none-eabi-13.2.rel1=.
> >>> -flto=auto -ffat-lto-objects -fstack-protector-strong
> >>> -fstack-clash-protection -Wno-format -Wno-error=format-security
> >>> -fcf-protection
> >>>
> >>>
> >>
> -fdebug-prefix-map=/build/gcc-arm-none-eabi-TuTZN0/gcc-arm-none-eabi-13.2.rel1=/usr/src/gcc-arm-none-eabi-15:13.2.rel1-2'
> >>> 'CFLAGS_FOR_BUILD=-g -O2' CPPFLAGS='-Wdate-time -D_FORTIFY_SOURCE=3'
> >>> CPPFLAGS_FOR_BUILD= CXXFLAGS='-g -O2 -fno-omit-frame-pointer
> >>> -mno-omit-leaf-frame-pointer
> >>>
> >>>
> >>
> -ffile-prefix-map=/build/gcc-arm-none-eabi-TuTZN0/gcc-arm-none-eabi-13.2.rel1=.
> >>> -flto=auto -ffat-lto-objects -fstack-protector-strong
> >>> -fstack-clash-protection -Wno-format -Wno-error=format-security
> >>> -fcf-protection
> >>>
> >>>
> >>
> -fdebug-prefix-map=/build/gcc-arm-none-eabi-TuTZN0/gcc-arm-none-eabi-13.2.rel1=/usr/src/gcc-arm-none-eabi-15:13.2.rel1-2'
> >>> 'CXXFLAGS_FOR_BUILD=-g -O2' DFLAGS=-frelease DFLAGS_FOR_BUILD=-frelease
> >>> FCFLAGS='-g -O2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
> >>>
> >>>
> >>
> -ffile-prefix-map=/build/gcc-arm-none-eabi-TuTZN0/gcc-arm-none-eabi-13.2.rel1=.
> >>> -flto=auto -ffat-lto-objects -fstack-protector-strong
> >>> -fstack-clash-protection -fcf-protection
> >>>
> >>>
> >>
> -fdebug-prefix-map=/build/gcc-arm-none-eabi-TuTZN0/gcc-arm-none-eabi-13.2.rel1=/usr/src/gcc-arm-none-eabi-15:13.2.rel1-2'
> >>> 'FCFLAGS_FOR_BUILD=-g -O2' FFLAGS='-g -O2 -fno-omit-frame-pointer
> >>> -mno-omit-leaf-frame-pointer
> >>>
> >>>
> >>
> -ffile-prefix-map=/build/gcc-arm-none-eabi-TuTZN0/gcc-arm-none-eabi-13.2.rel1=.
> >>> -flto=auto -ffat-lto-objects -fstack-protector-strong
> >>> -fstack-clash-protection -fcf-protection
> >>>
> >>>
> >>
> -fdebug-prefix-map=/build/gcc-arm-none-eabi-TuTZN0/gcc-arm-none-eabi-13.2.rel1=/usr/src/gcc-arm-none-eabi-15:13.2.rel1-2'
> >>> 'FFLAGS_FOR_BUILD=-g -O2' LDFLAGS='-Wl,-Bsymbolic-functions -flto=auto
> >>> -ffat-lto-objects -Wl,-z,relro' LDFLAGS_FOR_BUILD= OBJCFLAGS='-g -O2
> >>> -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
> >>>
> >>>
> >>
> -ffile-prefix-map=/build/gcc-arm-none-eabi-TuTZN0/gcc-arm-none-eabi-13.2.rel1=.
> >>> -flto=auto -ffat-lto-objects -fstack-protector-strong
> >>> -fstack-clash-protection -Wno-format -Wno-error=format-security
> >>> -fcf-protection
> >>>
> >>>
> >>
> -fdebug-prefix-map=/build/gcc-arm-none-eabi-TuTZN0/gcc-arm-none-eabi-13.2.rel1=/usr/src/gcc-arm-none-eabi-15:13.2.rel1-2'
> >>> 'OBJCFLAGS_FOR_BUILD=-g -O2' OBJCXXFLAGS='-g -O2
> -fno-omit-frame-pointer
> >>> -mno-omit-leaf-frame-pointer
> >>>
> >>>
> >>
> -ffile-prefix-map=/build/gcc-arm-none-eabi-TuTZN0/gcc-arm-none-eabi-13.2.rel1=.
> >>> -flto=auto -ffat-lto-objects -fstack-protector-strong
> >>> -fstack-clash-protection -Wno-format -Wno-error=format-security
> >>> -fcf-protection
> >>>
> >>>
> >>
> -fdebug-prefix-map=/build/gcc-arm-none-eabi-TuTZN0/gcc-arm-none-eabi-13.2.rel1=/usr/src/gcc-arm-none-eabi-15:13.2.rel1-2'
> >>> 'OBJCXXFLAGS_FOR_BUILD=-g -O2'
> >>> INHIBIT_LIBC_CFLAGS=-DUSE_TM_CLONE_REGISTRY=0
> >>> AR_FOR_TARGET=arm-none-eabi-ar AS_FOR_TARGET=arm-none-eabi-as
> >>> LD_FOR_TARGET=arm-none-eabi-ld NM_FOR_TARGET=arm-none-eabi-nm
> >>> OBJDUMP_FOR_TARGET=arm-none-eabi-objdump
> >>> RANLIB_FOR_TARGET=arm-none-eabi-ranlib
> >>> READELF_FOR_TARGET=arm-none-eabi-readelf
> >>> STRIP_FOR_TARGET=arm-none-eabi-strip SED=/bin/sed SHELL=/bin/sh
> >>> BASH=/bin/bash CONFIG_SHELL=/bin/bash
> >>> Thread model: single
> >>> Supported LTO compression algorithms: zlib
> >>> gcc version 13.2.1 20231009 (15:13.2.rel1-2)
> >>>
> >>>
> >>> NuttX support on Raspberry Pi is very important (low cost board widely
> >>> available), so I suggest we work fixing it before releasing the
> official
> >>> 12.9 release.
> >>>
> >>> BR,
> >>>
> >>> Alan
> >>>
> >>>
> >>> On Mon, Apr 14, 2025 at 8:12 AM Alan C. Assis <acas...@gmail.com>
> wrote:
> >>>
> >>>> Hi Kevin,
> >>>>
> >>>> Thanks for reporting the issue!
> >>>>
> >>>> I will test the new 12.9-RC1 on rasp pico and if the issue happen
> >> there I
> >>>> will suggest Alin to wait before releasing the final 12.9 version.
> >>>>
> >>>> BR,
> >>>>
> >>>> Alan
> >>>>
> >>>> On Mon, Apr 14, 2025 at 7:46 AM Kevin Witteveen <
> >> kevinwit1...@gmail.com>
> >>>> wrote:
> >>>>
> >>>>> Hi NuttX,
> >>>>>
> >>>>> This is a follow up on previous github issues.
> >>>>>
> >>>>> After building and flashing my RP2040 based boards with NuttX on any
> >> OS,
> >>>>> for example Windows, Linux, macOS and different machines (including a
> >>>>> clean
> >>>>> Linux install) with default configurations, they do not pass the
> >> ostest.
> >>>>> Symptoms:
> >>>>>
> >>>>> The ostest freezes up around the watchdog test, but sometimes it
> >> happens
> >>>>> on
> >>>>> different tests as well. The entire OS hangs in random applications
> >> too.
> >>>>> Another problem is that if you run "help", the output is a mess.
> >>>>>
> >>>>> However, the very strange part is that sometimes this issue does not
> >>> show
> >>>>> up at all.
> >>>>>
> >>>>> To reproduce:
> >>>>>
> >>>>> Any configuration, any OS, any machine. Run "help" to see a
> misaligned
> >>>>> mess. Run ostest to see it freeze up. Some apps might fail too.
> >>>>> But sometimes things just run fine.
> >>>>>
> >>>>> Tested on:
> >>>>>
> >>>>> Raspberry Pi Pico (two boards)
> >>>>> Raspberry Pi Pico W
> >>>>> Custom RP2040 board
> >>>>> RAKwireless RAK4630 RP2040
> >>>>> Non-RP2040 boards (they pass and work fine)
> >>>>> RP2040 boards with year-old firmware (they pass and work fine)
> >>>>>
> >>>>> The frustrating part:
> >>>>>
> >>>>> I tried to figure out the problem, and sometimes it seems like I
> found
> >>> it,
> >>>>> because after changing some configurations or apps, it starts working
> >>>>> again. Only to break after flashing it a few more times with tiny
> >>> changes.
> >>>>> USB:
> >>>>>
> >>>>> I previously thought USB was the issue, because it looked like the
> >>> system
> >>>>> didn’t crash if USB wasn’t connected. But later the OS started
> hanging
> >>>>> even
> >>>>> without using USB at all.
> >>>>>
> >>>>> Help:
> >>>>>
> >>>>> I’m unable to figure out the problem and this is blocking my
> projects,
> >>>>> including some driver development for NuttX.
> >>>>> Can anyone help test this or try to reproduce it?
> >>>>>
> >>>>> Thanks,
> >>>>>
> >>>>> Kevin (MartiniMarter github)
> >>>>>
>

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