Macro io_read 

macro_rules! io_read {
    ($io:expr, $($proj:tt)*) => { ... };
}

Read from I/O memory.

The syntax is of form io_read!(io, proj) where io is an expression to a type that implements Io and proj is a projection specification.

Examples

#[repr(C)]
struct MyStruct { field: u32, }

// let mmio: Mmio<'_, [MyStruct]>;
let field: u32 = kernel::io::io_read!(mmio, [try: 2].field);