[−][src]Struct cortex_m::peripheral::SCB
System Control Block
Methods
impl SCB
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impl SCB
pub fn vect_active() -> VectActive
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pub fn vect_active() -> VectActive
Returns the active exception number
impl SCB
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impl SCB
pub fn enable_icache(&mut self)
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pub fn enable_icache(&mut self)
Enables I-Cache if currently disabled
pub fn disable_icache(&mut self)
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pub fn disable_icache(&mut self)
Disables I-Cache if currently enabled
pub fn icache_enabled() -> bool
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pub fn icache_enabled() -> bool
Returns whether the I-Cache is currently enabled
pub fn invalidate_icache(&mut self)
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pub fn invalidate_icache(&mut self)
Invalidates I-Cache
pub fn enable_dcache(&mut self, cpuid: &mut CPUID)
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pub fn enable_dcache(&mut self, cpuid: &mut CPUID)
Enables D-cache if currently disabled
pub fn disable_dcache(&mut self, cpuid: &mut CPUID)
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pub fn disable_dcache(&mut self, cpuid: &mut CPUID)
Disables D-cache if currently enabled
pub fn dcache_enabled() -> bool
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pub fn dcache_enabled() -> bool
Returns whether the D-Cache is currently enabled
pub fn clean_dcache(&mut self, cpuid: &mut CPUID)
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pub fn clean_dcache(&mut self, cpuid: &mut CPUID)
Cleans D-cache
pub fn clean_invalidate_dcache(&mut self, cpuid: &mut CPUID)
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pub fn clean_invalidate_dcache(&mut self, cpuid: &mut CPUID)
Cleans and invalidates D-cache
pub fn invalidate_dcache_by_address(&mut self, addr: usize, size: usize)
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pub fn invalidate_dcache_by_address(&mut self, addr: usize, size: usize)
Invalidates D-cache by address
addr
: the address to invalidate
size
: size of the memory block, in number of bytes
Invalidates cache starting from the lowest 32-byte aligned address represented by addr
,
in blocks of 32 bytes until at least size
bytes have been invalidated.
pub fn clean_dcache_by_address(&mut self, addr: usize, size: usize)
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pub fn clean_dcache_by_address(&mut self, addr: usize, size: usize)
Cleans D-cache by address
addr
: the address to clean
size
: size of the memory block, in number of bytes
Cleans cache starting from the lowest 32-byte aligned address represented by addr
,
in blocks of 32 bytes until at least size
bytes have been cleaned.
pub fn clean_invalidate_dcache_by_address(&mut self, addr: usize, size: usize)
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pub fn clean_invalidate_dcache_by_address(&mut self, addr: usize, size: usize)
Cleans and invalidates D-cache by address
addr
: the address to clean and invalidate
size
: size of the memory block, in number of bytes
Cleans and invalidates cache starting from the lowest 32-byte aligned address represented
by addr
, in blocks of 32 bytes until at least size
bytes have been cleaned and
invalidated.
impl SCB
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impl SCB
pub fn set_sleepdeep(&mut self)
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pub fn set_sleepdeep(&mut self)
Set the SLEEPDEEP bit in the SCR register
pub fn clear_sleepdeep(&mut self)
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pub fn clear_sleepdeep(&mut self)
Clear the SLEEPDEEP bit in the SCR register
impl SCB
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impl SCB
pub fn system_reset(&mut self) -> !
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pub fn system_reset(&mut self) -> !
Initiate a system reset request to reset the MCU
impl SCB
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impl SCB
pub fn set_pendsv()
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pub fn set_pendsv()
Set the PENDSVSET bit in the ICSR register which will pend the PendSV interrupt
pub fn is_pendsv_pending() -> bool
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pub fn is_pendsv_pending() -> bool
Check if PENDSVSET bit in the ICSR register is set meaning PendSV interrupt is pending
pub fn clear_pendsv()
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pub fn clear_pendsv()
Set the PENDSVCLR bit in the ICSR register which will clear a pending PendSV interrupt
pub fn set_pendst()
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pub fn set_pendst()
Set the PENDSTCLR bit in the ICSR register which will clear a pending SysTick interrupt
pub fn is_pendst_pending() -> bool
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pub fn is_pendst_pending() -> bool
Check if PENDSTSET bit in the ICSR register is set meaning SysTick interrupt is pending
pub fn clear_pendst()
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pub fn clear_pendst()
Set the PENDSTCLR bit in the ICSR register which will clear a pending SysTick interrupt
impl SCB
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impl SCB
pub fn get_priority(system_handler: SystemHandler) -> u8
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pub fn get_priority(system_handler: SystemHandler) -> u8
Returns the hardware priority of system_handler
NOTE: Hardware priority does not exactly match logical priority levels. See
NVIC.get_priority
for more details.
pub unsafe fn set_priority(&mut self, system_handler: SystemHandler, prio: u8)
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pub unsafe fn set_priority(&mut self, system_handler: SystemHandler, prio: u8)
Sets the hardware priority of system_handler
to prio
NOTE: Hardware priority does not exactly match logical priority levels. See
NVIC.get_priority
for more details.
On ARMv6-M, updating a system handler 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.
impl SCB
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impl SCB
pub fn ptr() -> *const RegisterBlock
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pub fn ptr() -> *const RegisterBlock
Returns a pointer to the register block
Trait Implementations
impl Deref for SCB
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impl Deref for SCB
type Target = RegisterBlock
The resulting type after dereferencing.
fn deref(&self) -> &Self::Target
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fn deref(&self) -> &Self::Target
Dereferences the value.
impl Send for SCB
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impl Send for SCB
Auto Trait Implementations
Blanket Implementations
impl<T, U> TryFrom for T where
T: From<U>,
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impl<T, U> TryFrom for T where
T: From<U>,
type Error = !
try_from
)The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
try_from
)Performs the conversion.
impl<T> From for T
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impl<T> From for T
impl<T, U> TryInto for T where
U: TryFrom<T>,
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impl<T, U> TryInto for T where
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
try_from
)The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
try_from
)Performs the conversion.
impl<T, U> Into for T where
U: From<T>,
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impl<T, U> Into for T where
U: From<T>,
impl<T> Borrow for T where
T: ?Sized,
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impl<T> Borrow for T where
T: ?Sized,
impl<T> BorrowMut for T where
T: ?Sized,
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impl<T> BorrowMut for T where
T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<T> Any for T where
T: 'static + ?Sized,
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impl<T> Any for T where
T: 'static + ?Sized,
fn get_type_id(&self) -> TypeId
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fn get_type_id(&self) -> TypeId
🔬 This is a nightly-only experimental API. (get_type_id
)
this method will likely be replaced by an associated static
Gets the TypeId
of self
. Read more