Hi Yashvi, Could you please confirm that Board LED Status support is not selected?
Normally this is the "trap" that prevent USERLED to work, more here: https://embeddedrelated.com/showarticle/1633.php I just tested here: $ ./tools/configure.sh nucleo-f446re:nsh $ make menuconfig Board Selection ---> [ ] Board LED Status support <<<<<<< needs to be disabled, no "*" Device Drivers ---> LED Support ---> [*] LED driver [*] Generic Lower Half LED Driver Application Configuration ---> NSH Library ---> [*] Have architecture-specific initialization $ make -j Then open System.map and you should see: 08015b40 T fwrite 08015b68 T fputc_unlocked 08015ba2 T fputc 08015bc2 T up_fork 08015bec T arm_fork 08015cb4 T register_blockdriver 08015cf4 T board_userled_initialize <<<<<<<< here 08015d04 T board_userled 08015d14 T board_userled_all 08015d24 T __aeabi_dmul 08015d24 T __muldf3 08015f78 T __aeabi_ddiv BR, Alan On Fri, Jan 3, 2025 at 1:40 AM 24 yashvi shah <yashvee...@gmail.com> wrote: > Hello, I am trying to blink an LED on the Nucleo H753ZI board. > > However, in Minicom, when I type ls /dev, there is no option for userled > shown after configuration. > > I checked the system map, but there is no function for > board_userled_initialize. > > How can I solve this issue? > > Thank you! > > On Thu, Jan 2, 2025, 10:48 PM Yousif Askar <yousif.as...@bd.com.invalid> > wrote: > >> Hello! >> >> My name is Yousif Askar, and I'm a software engineer at the global >> medical device company Becton, Dickinson, & Co. My team and I discovered >> NuttX recently and were wondering if it was utilized in the medical device >> industry often? We know it to be a wonderful low-powered RTOS but are not >> sure the types of industries in which it is utilized, as I have not been >> able to find any documentation online outlining such information. >> >> Thank you! >> >> *Yousif Askar **(he/him) * >> >> *Software Engineer* >> >> *UCC* >> >> >> >> >> <https://www.google.com/maps/search/321+South+Taylor+Avenue+%0D%0A+Louisville,+CO,+80027+%0D%0A+US?entry=gmail&source=g> >> >> >> >> <https://www.google.com/maps/search/321+South+Taylor+Avenue+%0D%0A+Louisville,+CO,+80027+%0D%0A+US?entry=gmail&source=g> >> >> *yousif.as...@bd.com <yousif.as...@bd.com>* >> >> >> 321 South Taylor Avenue >> <https://www.google.com/maps/search/321+South+Taylor+Avenue+%0D%0A+Louisville,+CO,+80027+%0D%0A+US?entry=gmail&source=g> >> >> >> Louisville, CO, 80027 >> <https://www.google.com/maps/search/321+South+Taylor+Avenue+%0D%0A+Louisville,+CO,+80027+%0D%0A+US?entry=gmail&source=g> >> >> US >> <https://www.google.com/maps/search/321+South+Taylor+Avenue+%0D%0A+Louisville,+CO,+80027+%0D%0A+US?entry=gmail&source=g> >> >> >> >> *bd.com <http://www.bd.com/>* >> >> ******************************************************************* >> IMPORTANT MESSAGE FOR RECIPIENTS IN THE U.S.A.: >> This message may constitute an advertisement of a BD group's products or >> services or a solicitation of interest in them. If this is such a message >> and you would like to opt out of receiving future advertisements or >> solicitations from this BD group, please forward this e-mail to >> optoutbygr...@bd.com. [BD.v1.0] >> ******************************************************************* >> This message (which includes any attachments) is intended only for the >> designated recipient(s). It may contain confidential or proprietary >> information and may be subject to the attorney-client privilege or other >> confidentiality protections. If you are not a designated recipient, you may >> not review, use, copy or distribute this message. If you received this in >> error, please notify the sender by reply e-mail and delete this message. >> Thank you. >> ******************************************************************* >> Corporate Headquarters Mailing Address: BD (Becton, Dickinson and >> Company) 1 Becton Drive Franklin Lakes, NJ 07417 U.S.A. >> <https://www.google.com/maps/search/1+Becton+Drive+Franklin+Lakes,+NJ+07417+U.S.A.?entry=gmail&source=g> >> >> BD Restricted >> >