Type Alias riot_sys::shared_irq_cb_t

source ·

pub type shared_irq_cb_t = Option<unsafe extern "C" fn(arg: *mut c_void)>;

Expand description

@brief Common UART/SPI/I2C interrupt callback

@param arg Opaque context pointer

Aliased Type§

enum shared_irq_cb_t {
    None,
    Some(unsafe extern "C" fn(_: *mut c_void)),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "C" fn(_: *mut c_void))

Some value of type T.

Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 4 bytes

Size for each variant: