Type Alias riot_sys::gpio_cb_t

source ·
pub type gpio_cb_t = Option<unsafe extern "C" fn(arg: *mut c_void)>;
Expand description

@brief Signature of event callback functions triggered from interrupts

@param[in] arg optional context for the callback

Aliased Type§

enum gpio_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.