How to build firmware for my custom circuit board.

[Lynklee321]

I have designed a custom circuit board and I don't know how to build the firmware for it. I had its design diagram and configuration.

[brightproject]

I have designed a custom circuit board and I don't know how to build the firmware for it. I had its design diagram and configuration.

You need to install Linux, such as Ubuntu.
I would recommend using Windows 10 and WSL with the ability to use bash.
Then you can use the make compiler.
If you are planning to compile, I can give detailed steps.