Rusb

This crate provides a safe wrapper around the native libusb library. It applies the RAII pattern and Rust lifetimes to ensure safe usage of all libusb functionality. The RAII pattern ensures that all acquired resources are released when they're no longer needed, and Rust lifetimes ensure that resources are released in a proper order.

Documentation

Dependencies

In order to use the rusb crate, you must have the native libusb library installed where it can be found by pkg-config or vcpkg.

All systems supported by the native libusb library are also supported by the libusb crate. It's been tested on Linux, OS X, and Windows.

Cross-Compiling

The rusb crate can be used when cross-compiling to a foreign target. Details on how to cross-compile rusb are explained in the libusb-sys crate's README.

Usage

Add rusb as a dependency in Cargo.toml:

[dependencies]
rusb = "0.4"

Import the rusb crate. The starting point for nearly all rusb functionality is to create a context object. With a context object, you can list devices, read their descriptors, open them, and communicate with their endpoints:

fn main() {
    let mut context = rusb::Context::new().unwrap();

    for mut device in context.devices().unwrap().iter() {
        let device_desc = device.device_descriptor().unwrap();

        println!("Bus {:03} Device {:03} ID {:04x}:{:04x}",
            device.bus_number(),
            device.address(),
            device_desc.vendor_id(),
            device_desc.product_id());
    }
}

Contributors

License