Functions
__STATIC_INLINE uint32_t	LL_HSEM_IsSemaphoreLocked (HSEM_TypeDef *HSEMx, uint32_t Semaphore)
	Return 1 if the semaphore is locked, else return 0.
__STATIC_INLINE uint32_t	LL_HSEM_GetCoreId (HSEM_TypeDef *HSEMx, uint32_t Semaphore)
	Get core id.
__STATIC_INLINE uint32_t	LL_HSEM_GetProcessId (HSEM_TypeDef *HSEMx, uint32_t Semaphore)
	Get process id.
__STATIC_INLINE void	LL_HSEM_SetLock (HSEM_TypeDef *HSEMx, uint32_t Semaphore, uint32_t process)
	Get the lock by writing in R register.
__STATIC_INLINE uint32_t	LL_HSEM_2StepLock (HSEM_TypeDef *HSEMx, uint32_t Semaphore, uint32_t process)
	Get the lock with 2-step lock.
__STATIC_INLINE uint32_t	LL_HSEM_1StepLock (HSEM_TypeDef *HSEMx, uint32_t Semaphore)
	Get the lock with 1-step lock.
__STATIC_INLINE void	LL_HSEM_ReleaseLock (HSEM_TypeDef *HSEMx, uint32_t Semaphore, uint32_t process)
	Release the lock of the semaphore.
__STATIC_INLINE uint32_t	LL_HSEM_GetStatus (HSEM_TypeDef *HSEMx, uint32_t Semaphore)
	Get the lock status of the semaphore.
__STATIC_INLINE void	LL_HSEM_SetKey (HSEM_TypeDef *HSEMx, uint32_t key)
	Set the key.
__STATIC_INLINE uint32_t	LL_HSEM_GetKey (HSEM_TypeDef *HSEMx)
	Get the key.
__STATIC_INLINE void	LL_HSEM_ResetAllLock (HSEM_TypeDef *HSEMx, uint32_t key, uint32_t core)
	Release all semaphore with the same core id.

Function Documentation

__STATIC_INLINE uint32_t LL_HSEM_1StepLock	(	HSEM_TypeDef *	HSEMx,
		uint32_t	Semaphore
	)

Get the lock with 1-step lock.

Reference Manual to LL API cross reference:: RLR LOCK LL_HSEM_1StepLock

Reference Manual to LL API cross reference:: RLR COREID LL_HSEM_1StepLock

Reference Manual to LL API cross reference:: RLR PROCID LL_HSEM_1StepLock

Parameters:

HSEMx	HSEM Instance.
Semaphore	Semaphore number. Value between Min_Data=0 and Max_Data=31

Return values:

1	lock fail, 0 lock successful or already locked by same core

Definition at line 239 of file stm32h7xx_ll_hsem.h.

References LL_HSEM_COREID.

__STATIC_INLINE uint32_t LL_HSEM_2StepLock	(	HSEM_TypeDef *	HSEMx,
		uint32_t	Semaphore,
		uint32_t	process
	)

Get the lock with 2-step lock.

Reference Manual to LL API cross reference:: R LOCK LL_HSEM_2StepLock

Reference Manual to LL API cross reference:: R COREID LL_HSEM_2StepLock

Reference Manual to LL API cross reference:: R PROCID LL_HSEM_2StepLock

Parameters:

HSEMx	HSEM Instance.
Semaphore	Semaphore number. Value between Min_Data=0 and Max_Data=31
process	Process id. Value between Min_Data=0 and Max_Data=255

Return values:

1	lock fail, 0 lock successful or already locked by same process and core

Definition at line 224 of file stm32h7xx_ll_hsem.h.

References LL_HSEM_COREID.

__STATIC_INLINE uint32_t LL_HSEM_GetCoreId	(	HSEM_TypeDef *	HSEMx,
		uint32_t	Semaphore
	)

Get core id.

Reference Manual to LL API cross reference:: R COREID LL_HSEM_GetCoreId

Parameters:

HSEMx	HSEM Instance.
Semaphore	Semaphore number. Value between Min_Data=0 and Max_Data=31

Return values:

Returned

value can be one of the following values:

Definition at line 181 of file stm32h7xx_ll_hsem.h.

__STATIC_INLINE uint32_t LL_HSEM_GetKey ( HSEM_TypeDef * HSEMx )

Get the key.

Reference Manual to LL API cross reference:: KEYR KEY LL_HSEM_GetKey

Parameters:

HSEMx HSEM Instance.

Return values:

key	to unlock all semaphore from the same core

Definition at line 287 of file stm32h7xx_ll_hsem.h.

__STATIC_INLINE uint32_t LL_HSEM_GetProcessId	(	HSEM_TypeDef *	HSEMx,
		uint32_t	Semaphore
	)

Get process id.

Reference Manual to LL API cross reference:: R PROCID LL_HSEM_GetProcessId

Parameters:

HSEMx	HSEM Instance.
Semaphore	Semaphore number. Value between Min_Data=0 and Max_Data=31

Return values:

Process number. Value between Min_Data=0 and Max_Data=255

Definition at line 193 of file stm32h7xx_ll_hsem.h.

__STATIC_INLINE uint32_t LL_HSEM_GetStatus	(	HSEM_TypeDef *	HSEMx,
		uint32_t	Semaphore
	)

Get the lock status of the semaphore.

Reference Manual to LL API cross reference:: R LOCK LL_HSEM_GetStatus

Parameters:

HSEMx	HSEM Instance.
Semaphore	Semaphore number. Value between Min_Data=0 and Max_Data=31

Return values:

0	semaphore is free, 1 semaphore is locked

Definition at line 264 of file stm32h7xx_ll_hsem.h.

__STATIC_INLINE uint32_t LL_HSEM_IsSemaphoreLocked	(	HSEM_TypeDef *	HSEMx,
		uint32_t	Semaphore
	)

Return 1 if the semaphore is locked, else return 0.

Reference Manual to LL API cross reference:: R LOCK LL_HSEM_IsSemaphoreLocked

Parameters:

HSEMx	HSEM Instance.
Semaphore	Semaphore number. Value between Min_Data=0 and Max_Data=31

Return values:

State of bit (1 or 0).

Definition at line 166 of file stm32h7xx_ll_hsem.h.

__STATIC_INLINE void LL_HSEM_ReleaseLock	(	HSEM_TypeDef *	HSEMx,
		uint32_t	Semaphore,
		uint32_t	process
	)

Release the lock of the semaphore.

Note:: In case of LL_HSEM_1StepLock usage to lock a semaphore, the process is 0.

Reference Manual to LL API cross reference:: R LOCK LL_HSEM_ReleaseLock

Parameters:

HSEMx	HSEM Instance.
Semaphore	Semaphore number. Value between Min_Data=0 and Max_Data=31
process	Process number. Value between Min_Data=0 and Max_Data=255

Return values:

None

Definition at line 253 of file stm32h7xx_ll_hsem.h.

References LL_HSEM_COREID.

__STATIC_INLINE void LL_HSEM_ResetAllLock	(	HSEM_TypeDef *	HSEMx,
		uint32_t	key,
		uint32_t	core
	)

Release all semaphore with the same core id.

Reference Manual to LL API cross reference:: CR KEY LL_HSEM_ResetAllLock

Reference Manual to LL API cross reference:: CR SEC LL_HSEM_ResetAllLock

Reference Manual to LL API cross reference:: CR PRIV LL_HSEM_ResetAllLock

Parameters:

HSEMx	HSEM Instance.
key	Key value.
core	This parameter can be one of the following values: LL_HSEM_COREID_CPU1 LL_HSEM_COREID_CPU2

Return values:

None

Definition at line 304 of file stm32h7xx_ll_hsem.h.

__STATIC_INLINE void LL_HSEM_SetKey	(	HSEM_TypeDef *	HSEMx,
		uint32_t	key
	)

Set the key.

Reference Manual to LL API cross reference:: KEYR KEY LL_HSEM_SetKey

Parameters:

HSEMx	HSEM Instance.
key	Key value.

Return values:

None

Definition at line 276 of file stm32h7xx_ll_hsem.h.

__STATIC_INLINE void LL_HSEM_SetLock	(	HSEM_TypeDef *	HSEMx,
		uint32_t	Semaphore,
		uint32_t	process
	)

Get the lock by writing in R register.

Note:: The R register has to be read to determined if the lock is taken.

Reference Manual to LL API cross reference:: R LOCK LL_HSEM_SetLock

Reference Manual to LL API cross reference:: R COREID LL_HSEM_SetLock

Reference Manual to LL API cross reference:: R PROCID LL_HSEM_SetLock

Parameters:

HSEMx	HSEM Instance.
Semaphore	Semaphore number. Value between Min_Data=0 and Max_Data=31
process	Process id. Value between Min_Data=0 and Max_Data=255

Return values:

None

Definition at line 209 of file stm32h7xx_ll_hsem.h.

References LL_HSEM_COREID.

Functions

Function Documentation