An rust interface of the mailbox a low level feature of the RaspberryPi single board computer.
Mailbox interface is a communication channnel between the ARM and the VideoCore firmware.
This project use Terminus-IMRC/mailbox as a reference and a implementation.
Build for the target arm-unknown-linux-gnueabihf like below:
$ cargo build --target=arm-unknown-linux-gnueabihf