Macro stm32f030_hal::interrupt
source · macro_rules! interrupt {
( $ Name : ident , $ handler : path , state : $ State : ty = $ initial_state : expr ) => { ... };
( $ Name : ident , $ handler : path ) => { ... };
}
Expand description
Macro to override a device specific interrupt handler
Syntax
ⓘ
interrupt!(
// Name of the interrupt
$Name:ident,
// Path to the interrupt handler (a function)
$handler:path,
// Optional, state preserved across invocations of the handler
state: $State:ty = $initial_state:expr,
);
Where $Name
must match the name of one of the variants of the Interrupt
enum.
The handler must have signature fn()
is no state was associated to it;
otherwise its signature must be fn(&mut $State)
.