hil:: gpio_async:: Client
The gpio_async Client interface is used to both receive callbacks when a configuration command finishes and to handle interrupt events from pins with interrupts enabled.
fn fired(&self, pin: usize, identifier: usize)
Called when an interrupt occurs. The pin that interrupted is included,
and the identifier that was passed with the call to
is also returned.
fn done(&self, value: usize)
Done is called when a configuration command finishes.