Hi Karukkuvel, There is a 7 years video tutorial here:
https://www.youtube.com/watch?v=jYvCe8yQ1OY It is from an old version of NuttX, but could help you to get it working. Also there is an official Documentation here: https://nuttx.apache.org/docs/latest/guides/etcromfs.html#start-up-scripts BR, Alan BR Alan On Mon, May 5, 2025 at 9:12 AM karukkuvel Raj Deivasundaram < karukkuvelraj.deivasunda...@killisbird.com> wrote: > Hi Team > > Hi all, > > I'm currently working with the Nucleo-STM32H743ZI board using NuttX and > would like to automatically launch a user application at boot using an > `rcS` script. > > I understand that the `NSH` configuration supports initialization scripts > through ROMFS. but I'm unsure of the correct steps to fully integrate and > enable it on this board. > > Could anyone guide me on: > > 1. How to properly include the `romfs_img.c` in the build (e.g., best > practices for `Make.defs`). > 2. Whether additional board-specific steps are needed for the STM32H7 > series to mount and use the ROMFS automatically. > 3. How to confirm that the NSH shell is loading and executing the script > from `/etc/init.d/rcS`. > > Any advice or examples from similar STM32 boards would be very helpful. > > Thanks in advance for your time and support. > Regards > Karukkuvel Raj D > Flight Controls Engineer > >