Macro device_driver::create_low_level_device

macro_rules! create_low_level_device {
    (
        $(#[$device_doc:meta])*
        $device_name:ident {
            errors: [$($error_type:ident),*],
            hardware_interface_requirements: {$($hardware_interface_bound_type:tt)*},
            hardware_interface_capabilities: $hardware_interface_capabilities:tt $(,)?
        }
    ) => { ... };
}

The base macro for low level. Creates the struct and implements the right traits for it.

Example

// Create our low level device. This holds all the hardware communication definitions
create_low_level_device!(
    /// Our test device
    MyDevice {
        // The types of errors our low level error enum must contain
        errors: [InterfaceError],
        // Any hardware interface must implement the HardwareInterface trait that is created by this macro.
        // This option allows us to specify which traits that new trait inherits. In this case that is RegisterInterface and Debug.
        hardware_interface_requirements: { RegisterInterface + Debug },
        // This specifies the contents of the HardwareInterface trait.
        hardware_interface_capabilities: {
            /// Resets the device
            fn reset(&mut self) -> Result<(), InterfaceError>;
        },
    }
);