PR submitted: https://github.com/apache/nuttx/pull/12736
Thank you Justin for finding this issue!!!
You helped to improve our system!
BR,
Alan
On Fri, Jul 19, 2024 at 6:21 PM Alan C. Assis <acas...@gmail.com> wrote:
> Hi Justin,
>
> I was assuming you were planning to run it from "nsh>" that is working
> fine:
>
> nsh> ?
> help usage: help [-v] [<cmd>]
>
> . cp exec ls reboot truncate
>
> [ cmp exit mkdir rm uname
>
> ? dirname expr mkrd rmdir umount
>
> alias date false mount set unset
>
> unalias dd fdinfo mv sleep uptime
>
> basename df free pidof source usleep
>
> break dmesg help printf test xd
>
> cat echo hexdump ps time
> cd env kill pwd true
>
> Builtin Apps:
>
> custom_hello hello ostest
>
> getprime nsh sh
>
> nsh> custom_hello
>
> Custom Hello
>
> nsh>
>
> So, probably you forgot to go: make menuconfig => Applications
> Configuration -> Custom Apps -> [*] Custom Hello.
>
> However I found an intriguing fact, when I use
> CONFIG_INIT_ENTRYPOINT="hello_main" I get it working fine and I see in the
> minicom:
>
> Hello, World!!
>
> But, when I changed to CONFIG_INIT_ENTRYPOINT="custom_hello_main" I get
> this compilation error:
>
> $ make
> CC: CustomHello.c <command-line>: error: conflicting types for
> 'custom_hello_main'
> CustomHello.c:3:5: note: in expansion of macro 'main'
> 3 | int main(void)
> | ^~~~
> In file included from /home/alan/nuttxspace/nuttx/include/stdio.h:28,
> from CustomHello.c:1:
> /home/alan/nuttxspace/nuttx/include/sys/types.h:337:5: note: previous
> declaration of 'custom_hello_main' was here
> 337 | int CONFIG_INIT_ENTRYPOINT(int argc, FAR char *argv[]);
> | ^~~~~~~~~~~~~~~~~~~~~~
> make[2]: *** [/home/alan/nuttxspace/apps/Application.mk:289:
> CustomHello.c.home.alan.nuttxspace.apps.CustomApps.CustomHello.o] Error 1
> make[1]: *** [Makefile:51:
> /home/alan/nuttxspace/apps/CustomApps/CustomHello_all] Error 2
> make: *** [tools/LibTargets.mk:232: /home/alan/nuttxspace/apps/libapps.a]
> Error 2
>
>
>
> After some investigation I found the root cause, the main was defined this
> way:
>
> int main(void)
> {
> printf("Custom Hello\n");
> return 0;
> }
>
> So, it was generation conflict, then after changing to:
>
> int main(int argc, FAR char *argv[])
> {
> printf("Custom Hello\n");
> return 0;
> }
>
> Everything worked as expected and I got it on minicom:
>
> Custom Hello
>
> I will submit a patch to fix this example, thank you very much!
>
> BR,
>
> Alan
>
> On Fri, Jul 19, 2024 at 4:37 PM Linotte Justin ... <
> lutinjisno...@gmail.com> wrote:
>
>> thanks you for helping me find the solution, i replaced my custom apps
>> dir with your to try, but the same problem happen, i think there may be
>> a problem with my configuration.
>> How do i know what name should i type in "*Application entry point"* so
>> that it point to the custom hello main (from CustomHello.c) and that
>> nuttx start with my "custom hello" program where i can do what i want
>> into ?
>> The menuconfig window where i find *"Application entry point"* :
>> -------------------
>> (Top) → RTOS Features → Tasks and Scheduling
>> ↑↑↑↑↑↑↑↑↑↑↑↑↑↑ NuttX/$ARCH Configuration
>> [ ] Enable multi handler sharing a IRQ
>> Initialization Task (Via application entry) --->
>> () Application argument list
>> (2048) Main thread stack size
>> (100) init thread priority
>> *(CustomHello) Application entry point*
>> (CustomHello) Application entry name
>> (200) Round robin timeslice (MSEC)
>> [ ] Support sporadic scheduling
>> (31) Maximum task name size
>> [ ] Support parent/child task relationships
>> [*] Enable waitpid() API
>> ↓↓↓↓↓↓↓↓↓↓↓↓↓↓
>> [Space/Enter] Toggle/enter [ESC] Leave menu [S] Save
>> [O] Load [?] Symbol info [/] Jump to symbol
>> [F] Toggle show-help mode [C] Toggle show-name mode [A] Toggle
>> show-all mode
>> [Q] Quit (prompts for save) [D] Save minimal config (advanced)
>>
>> Thanks you in advance,
>> Justin Linotte
>>
>> Le 18-07-24 à 20:52, Alan C. Assis a écrit :
>> > Hi Linotte,
>> >
>> > Thanks for testing our tutorials, it is important to validate and find
>> > issues.
>> >
>> > I followed the tutorial here (this is the first time I do it) and it
>> worked
>> > fine (although copying the text from page removes the comments #)
>> >
>> > I compressed by CustomApps and shared it:
>> >
>> >
>> https://u.pcloud.link/publink/show?code=XZPzJP0Zh3fACWyHaOHTdsEA8Glg5VmGFwy7
>> >
>> > Extract it and use some diff tool like meld to compare files and to
>> > discover what you did wrong.
>> >
>> > BR,
>> >
>> > Alan
>> >
>> > On Thu, Jul 18, 2024 at 3:01 PM Linotte Justin ...<
>> lutinjisno...@gmail.com>
>> > wrote:
>> >
>> >> hello, i hope my question doesn't bother you, i'm an amateur, not a pro
>> >> with 40y of experience so it may be dumb for you. i'm also an amateur
>> in
>> >> english btw
>> >>
>> >> when i do make like advised here :
>> >>
>> >>
>> https://nuttx.apache.org/docs/latest/quickstart/compiling_make.html#build-nuttx
>> >> i get this :
>> >>
>> >> :~/pico/nuttx/nuttx$ make
>> >> Create version.h
>> >> LN: platform/board to /home/default/pico/nuttx/apps/platform/dummy
>> >> Register: custom_hello
>> >> Register: hello
>> >> Register: nsh
>> >> Register: sh
>> >> Register: getprime
>> >> Register: ostest
>> >> CPP:
>> >>
>> /home/default/pico/nuttx/nuttx/boards/arm/rp2040/raspberrypi-pico/scripts/raspberrypi-pico-flash.ld->
>> >>
>> >>
>> /home/default/pico/nuttx/nuttx/boards/arm/rp2040/raspberrypi-pico/scrLD:
>> >> nuttx
>> >> arm-none-eabi-ld:
>> >>
>> /home/default/pico/nuttx/nuttx/staging/libapps.a(builtin_list.c.home.default.pico.nuttx.apps.builtin_1.o):(.rodata.g_builtins+0xc):
>> >>
>> >> undefined reference to `custom_hello_main'
>> >> make[1]: *** [Makefile:197: nuttx] Error 1
>> >> make: *** [tools/Unix.mk:546: nuttx] Error 2
>> >>
>> >> i try to "Extend the apps/ directory to include a new custom directory"
>> >> to use my own code into nuttx :
>> >>
>> >>
>> https://nuttx.apache.org/docs/latest/guides/customapps.html#extend-the-apps-directory-to-include-a-new-custom-directory
>> >>
>> >> i've configured with menuconfig
>> >> rtos features>tasks and scheduling>application entry point to
>> >> custom_hello (not custom_hello_main)
>> >> application configuration>Custom Apps>[*]Custom Hello App
>> >> >program Name is set to custom_hello
>> >>
>> >> I don't know how i can know the real name of the entrypoint and also
>> how
>> >> i can resolve the error when building withmake. i also followed that :
>> >>
>> >>
>> https://nuttx.apache.org/docs/latest/faq/index.html#how-to-start-directly-my-application-instead-starting-nsh
>> >> this doesn't explain how you know the ENTRYPOINT name
>> >> i'm a bit confused on what to do (maybe you are too because of how i
>> write)
>> >> thank you if you can help !
>> >>
>> >>
>
>
