riot_sys

Type Alias uart_rxstart_cb_t

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

@brief Signature for receive start condition interrupt callback

@param[in] arg context to the callback (optional)

Aliased Type§

enum uart_rxstart_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:

  • None: 0 bytes
  • Some: 4 bytes