Macro cortex_m_interrupt::take_exception
source · [−]take_exception!() { /* proc-macro */ }
Expand description
Return an instance of an unnameable struct that implements ExceptionHandle
, which
is bound to the exception specified by exception
.
exception
may be any of the variants of Exception
(from cortex_m
), except
for Exception::HardFault
The returned struct has the following features:
- Calling
register
more than once for the sameException
panics.
Usage
ⓘ
use cortex_m_interrupt::take_exception;
// The value returned by `take_exception` will
// always `impl cortex_m_interrupt::ExceptionHandle`.
let exc_handle = take_exception!(exception);
// For example:
let handle = cortex_m_interrupt::take_exception!(SysTick);