https://docs.rs/atsamd-usb-host/latest/atsamd_usb_host/
atsamd_usb_host - Rust
USB Host driver implementation for SAMD* series chips.
usb hostatsamdrust
https://docs.rs/atsamd-hal-macros/latest/atsamd_hal_macros/
atsamd_hal_macros - Rust
This crate contains proc-macros to be used by the `atsamd-hal` crate. It is not intended to be used outside this crate, and no stability guarantees are made.
atsamdhalmacrosrust