This is a really well-written article about a common way to trampoline Rust methods into C embedded RTOS tasks, which often work in exactly this way. I've done

This is a really well-written article about a common way to trampoline Rust methods into C embedded RTOS tasks, which often work in exactly this way. I've done just this in the service of getting ChibiOS and uC/OS II running Rust code.