Struct stm32f103xx::NVIC
source · pub struct NVIC { /* private fields */ }Expand description
Nested Vector Interrupt Controller
Implementations
sourceimpl NVIC
impl NVIC
sourcepub fn clear_pending<I>(&mut self, interrupt: I)where
I: Nr,
👎Deprecated since 0.5.8: Use NVIC::unpend
pub fn clear_pending<I>(&mut self, interrupt: I)where
I: Nr,
NVIC::unpendClears interrupt’s pending state
sourcepub fn get_priority<I>(interrupt: I) -> u8where
I: Nr,
pub fn get_priority<I>(interrupt: I) -> u8where
I: Nr,
Returns the NVIC priority of interrupt
NOTE NVIC encodes priority in the highest bits of a byte so values like 1 and 2 map
to the same priority. Also for NVIC priorities, a lower value (e.g. 16) has higher
priority (urgency) than a larger value (e.g. 32).
sourcepub fn is_active<I>(interrupt: I) -> boolwhere
I: Nr,
pub fn is_active<I>(interrupt: I) -> boolwhere
I: Nr,
Is interrupt active or pre-empted and stacked
sourcepub fn is_enabled<I>(interrupt: I) -> boolwhere
I: Nr,
pub fn is_enabled<I>(interrupt: I) -> boolwhere
I: Nr,
Checks if interrupt is enabled
sourcepub fn is_pending<I>(interrupt: I) -> boolwhere
I: Nr,
pub fn is_pending<I>(interrupt: I) -> boolwhere
I: Nr,
Checks if interrupt is pending
sourcepub fn set_pending<I>(&mut self, interrupt: I)where
I: Nr,
👎Deprecated since 0.5.8: Use NVIC::pend
pub fn set_pending<I>(&mut self, interrupt: I)where
I: Nr,
NVIC::pendForces interrupt into pending state
sourcepub unsafe fn set_priority<I>(&mut self, interrupt: I, prio: u8)where
I: Nr,
pub unsafe fn set_priority<I>(&mut self, interrupt: I, prio: u8)where
I: Nr,
Sets the “priority” of interrupt to prio
NOTE See get_priority method for an explanation
of how NVIC priorities work.
On ARMv6-M, updating an interrupt priority requires a read-modify-write operation. On ARMv7-M, the operation is performed in a single atomic write operation.
Unsafety
Changing priority levels can break priority-based critical sections (see
register::basepri) and compromise memory safety.