Exteral ReferenceΒΆ
These are all great websites you can refer to.
Bare metal tutorials in C
https://github.com/bztsrc/raspi3-tutorial
Operating system tutorials in C
https://github.com/s-matyukevich/raspberry-pi-os
Operating system tutorials in rust
https://github.com/rust-embedded/rust-raspi3-OS-tutorials
Raspberry pi officical github
https://github.com/raspberrypi/
Embedded linux wiki page for Raspberry pi