Type Alias NfcEventCallback

pub type NfcEventCallback = Option<unsafe extern "C" fn(event: NfcEvent, context: *mut c_void) -> NfcCommand>;

Nfc event callback type.

A function of this type must be passed as the callback parameter upon start of a an Nfc instance.

Arguments

• [in] - event Nfc event, passed by value, complete with protocol type and data.
• [in,out] - context pointer to the user-specific context (set when starting an Nfc instance).

Returns

command which the event producer must execute.

Aliased Type

enum NfcEventCallback {
    None,
    Some(unsafe extern "C" fn(_: NfcEvent, _: *mut c_void) -> u8),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: NfcEvent, _: *mut c_void) -> u8)

Some value of type T.