Peripheral Control functions

Cortex control functions. More...

Functions
uint32_t	HAL_NVIC_GetPriorityGrouping (void)
	Get the priority grouping field from the NVIC Interrupt Controller.
void	HAL_NVIC_GetPriority (IRQn_Type IRQn, uint32_t PriorityGroup, uint32_t *pPreemptPriority, uint32_t *pSubPriority)
	Get the priority of an interrupt.
void	HAL_NVIC_SetPendingIRQ (IRQn_Type IRQn)
	Set Pending bit of an external interrupt.
uint32_t	HAL_NVIC_GetPendingIRQ (IRQn_Type IRQn)
	Get Pending Interrupt (read the pending register in the NVIC and return the pending bit for the specified interrupt).
void	HAL_NVIC_ClearPendingIRQ (IRQn_Type IRQn)
	Clear the pending bit of an external interrupt.
uint32_t	HAL_NVIC_GetActive (IRQn_Type IRQn)
	Get active interrupt (read the active register in NVIC and return the active bit).
void	HAL_SYSTICK_CLKSourceConfig (uint32_t CLKSource)
	Configure the SysTick clock source.
void	HAL_SYSTICK_IRQHandler (void)
	Handle SYSTICK interrupt request.
__weak void	HAL_SYSTICK_Callback (void)
	SYSTICK callback.
void	HAL_MPU_Disable (void)
	Disable the MPU.
void	HAL_MPU_Enable (uint32_t MPU_Control)
	Enable the MPU.
void	HAL_MPU_ConfigRegion (MPU_Region_InitTypeDef *MPU_Init)
	Initialize and configure the Region and the memory to be protected.

---

Detailed Description

Cortex control functions.

  ==============================================================================
                      ##### Peripheral Control functions #####
  ==============================================================================
    [..]
      This subsection provides a set of functions allowing to control the CORTEX
      (NVIC, SYSTICK, MPU) functionalities.

---

Function Documentation

void HAL_MPU_ConfigRegion

(

MPU_Region_InitTypeDef *

MPU_Init

)

Initialize and configure the Region and the memory to be protected.

Parameters:

MPU_Init,:

Pointer to a MPU_Region_InitTypeDef structure that contains the initialization and configuration information.

Return values:

None

Definition at line 482 of file stm32l4xx_hal_cortex.c.

References MPU_Region_InitTypeDef::AccessPermission, assert_param, MPU_Region_InitTypeDef::BaseAddress, MPU_Region_InitTypeDef::DisableExec, MPU_Region_InitTypeDef::Enable, IS_MPU_ACCESS_BUFFERABLE, IS_MPU_ACCESS_CACHEABLE, IS_MPU_ACCESS_SHAREABLE, IS_MPU_INSTRUCTION_ACCESS, IS_MPU_REGION_ENABLE, IS_MPU_REGION_NUMBER, IS_MPU_REGION_PERMISSION_ATTRIBUTE, IS_MPU_REGION_SIZE, IS_MPU_SUB_REGION_DISABLE, IS_MPU_TEX_LEVEL, MPU_Region_InitTypeDef::IsBufferable, MPU_Region_InitTypeDef::IsCacheable, MPU_Region_InitTypeDef::IsShareable, MPU_Region_InitTypeDef::Number, MPU_Region_InitTypeDef::Size, MPU_Region_InitTypeDef::SubRegionDisable, and MPU_Region_InitTypeDef::TypeExtField.

void HAL_MPU_Disable

(

void

)

Disable the MPU.

Return values:

None

Definition at line 440 of file stm32l4xx_hal_cortex.c.

void HAL_MPU_Enable

(

uint32_t

MPU_Control

)

Enable the MPU.

Parameters:

MPU_Control,:

Specifies the control mode of the MPU during hard fault, NMI, FAULTMASK and privileged accessto the default memory This parameter can be one of the following values: MPU_HFNMI_PRIVDEF_NONE MPU_HARDFAULT_NMI MPU_PRIVILEGED_DEFAULT MPU_HFNMI_PRIVDEF

Return values:

None

Definition at line 463 of file stm32l4xx_hal_cortex.c.

void HAL_NVIC_ClearPendingIRQ

(

IRQn_Type

IRQn

)

Clear the pending bit of an external interrupt.

Parameters:

IRQn	External interrupt number. This parameter can be an enumerator of IRQn_Type enumeration (For the complete STM32 Devices IRQ Channels list, please refer to the appropriate CMSIS device file (stm32l4xxxx.h))

Return values:

None

Definition at line 370 of file stm32l4xx_hal_cortex.c.

References assert_param, and IS_NVIC_DEVICE_IRQ.

uint32_t HAL_NVIC_GetActive

(

IRQn_Type

IRQn

)

Get active interrupt (read the active register in NVIC and return the active bit).

Parameters:

IRQn	External interrupt number This parameter can be an enumerator of IRQn_Type enumeration (For the complete STM32 Devices IRQ Channels list, please refer to the appropriate CMSIS device file (stm32l4xxxx.h))

Return values:

status,:

- 0 Interrupt status is not pending. 1 Interrupt status is pending.

Definition at line 387 of file stm32l4xx_hal_cortex.c.

uint32_t HAL_NVIC_GetPendingIRQ

(

IRQn_Type

IRQn

)

Get Pending Interrupt (read the pending register in the NVIC and return the pending bit for the specified interrupt).

Parameters:

IRQn	External interrupt number. This parameter can be an enumerator of IRQn_Type enumeration (For the complete STM32 Devices IRQ Channels list, please refer to the appropriate CMSIS device file (stm32l4xxxx.h))

Return values:

status,:

- 0 Interrupt status is not pending. 1 Interrupt status is pending.

Definition at line 354 of file stm32l4xx_hal_cortex.c.

References assert_param, and IS_NVIC_DEVICE_IRQ.

void HAL_NVIC_GetPriority	(	IRQn_Type	IRQn,
		uint32_t	PriorityGroup,
		uint32_t *	pPreemptPriority,
		uint32_t *	pSubPriority
	)

Get the priority of an interrupt.

Parameters:

IRQn,:	External interrupt number. This parameter can be an enumerator of IRQn_Type enumeration (For the complete STM32 Devices IRQ Channels list, please refer to the appropriate CMSIS device file (stm32l4xxxx.h))
PriorityGroup,:	the priority grouping bits length. This parameter can be one of the following values: NVIC_PRIORITYGROUP_0: 0 bit for pre-emption priority, 4 bits for subpriority NVIC_PRIORITYGROUP_1: 1 bit for pre-emption priority, 3 bits for subpriority NVIC_PRIORITYGROUP_2: 2 bits for pre-emption priority, 2 bits for subpriority NVIC_PRIORITYGROUP_3: 3 bits for pre-emption priority, 1 bit for subpriority NVIC_PRIORITYGROUP_4: 4 bits for pre-emption priority, 0 bit for subpriority
pPreemptPriority,:	Pointer on the Preemptive priority value (starting from 0).
pSubPriority,:	Pointer on the Subpriority value (starting from 0).

Return values:

None

Definition at line 321 of file stm32l4xx_hal_cortex.c.

References assert_param, and IS_NVIC_PRIORITY_GROUP.

uint32_t HAL_NVIC_GetPriorityGrouping

(

void

)

Get the priority grouping field from the NVIC Interrupt Controller.

Return values:

Priority

grouping field (SCB->AIRCR [10:8] PRIGROUP field)

Definition at line 294 of file stm32l4xx_hal_cortex.c.

void HAL_NVIC_SetPendingIRQ

(

IRQn_Type

IRQn

)

Set Pending bit of an external interrupt.

Parameters:

IRQn	External interrupt number This parameter can be an enumerator of IRQn_Type enumeration (For the complete STM32 Devices IRQ Channels list, please refer to the appropriate CMSIS device file (stm32l4xxxx.h))

Return values:

None

Definition at line 336 of file stm32l4xx_hal_cortex.c.

References assert_param, and IS_NVIC_DEVICE_IRQ.

void HAL_SYSTICK_Callback

(

void

)

SYSTICK callback.

Return values:

None

Definition at line 428 of file stm32l4xx_hal_cortex.c.

Referenced by HAL_SYSTICK_IRQHandler().

void HAL_SYSTICK_CLKSourceConfig

(

uint32_t

CLKSource

)

Configure the SysTick clock source.

Parameters:

CLKSource,:

specifies the SysTick clock source. This parameter can be one of the following values: SYSTICK_CLKSOURCE_HCLK_DIV8: AHB clock divided by 8 selected as SysTick clock source. SYSTICK_CLKSOURCE_HCLK: AHB clock selected as SysTick clock source.

Return values:

None

Definition at line 401 of file stm32l4xx_hal_cortex.c.

References assert_param, IS_SYSTICK_CLK_SOURCE, and SYSTICK_CLKSOURCE_HCLK.

void HAL_SYSTICK_IRQHandler

(

void

)

Handle SYSTICK interrupt request.

Return values:

None

Definition at line 419 of file stm32l4xx_hal_cortex.c.

References HAL_SYSTICK_Callback().