Peripheral Control functions

Cortex control functions. More...

Functions
void	HAL_MPU_Disable (void)
	Disables the MPU.
void	HAL_MPU_Enable (uint32_t MPU_Control)
	Enable the MPU.
void	HAL_MPU_ConfigRegion (MPU_Region_InitTypeDef *MPU_Init)
	Initializes and configures the Region and the memory to be protected.
uint32_t	HAL_NVIC_GetPriorityGrouping (void)
	Gets 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)
	Gets the priority of an interrupt.
void	HAL_NVIC_SetPendingIRQ (IRQn_Type IRQn)
	Sets Pending bit of an external interrupt.
uint32_t	HAL_NVIC_GetPendingIRQ (IRQn_Type IRQn)
	Gets Pending Interrupt (reads the pending register in the NVIC and returns the pending bit for the specified interrupt).
void	HAL_NVIC_ClearPendingIRQ (IRQn_Type IRQn)
	Clears the pending bit of an external interrupt.
uint32_t	HAL_NVIC_GetActive (IRQn_Type IRQn)
	Gets active interrupt ( reads the active register in NVIC and returns the active bit).
void	HAL_SYSTICK_CLKSourceConfig (uint32_t CLKSource)
	Configures the SysTick clock source.
void	HAL_SYSTICK_IRQHandler (void)
	This function handles SYSTICK interrupt request.
__weak void	HAL_SYSTICK_Callback (void)
	SYSTICK callback.

---

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

)

Initializes and configures 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 316 of file stm32f4xx_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

)

Disables the MPU.

Return values:

None

Definition at line 274 of file stm32f4xx_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 access to 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 297 of file stm32f4xx_hal_cortex.c.

void HAL_NVIC_ClearPendingIRQ

(

IRQn_Type

IRQn

)

Clears 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 (stm32f4xxxx.h))

Return values:

None

Definition at line 436 of file stm32f4xx_hal_cortex.c.

References assert_param, and IS_NVIC_DEVICE_IRQ.

uint32_t HAL_NVIC_GetActive

(

IRQn_Type

IRQn

)

Gets active interrupt ( reads the active register in NVIC and returns 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 (stm32f4xxxx.h))

Return values:

status,:

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

Definition at line 453 of file stm32f4xx_hal_cortex.c.

References assert_param, and IS_NVIC_DEVICE_IRQ.

uint32_t HAL_NVIC_GetPendingIRQ

(

IRQn_Type

IRQn

)

Gets Pending Interrupt (reads the pending register in the NVIC and returns 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 (stm32f4xxxx.h))

Return values:

status,:

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

Definition at line 420 of file stm32f4xx_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
	)

Gets 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 (stm32f4xxxx.h))
PriorityGroup	the priority grouping bits length. This parameter can be one of the following values: NVIC_PRIORITYGROUP_0: 0 bits for preemption priority 4 bits for subpriority NVIC_PRIORITYGROUP_1: 1 bits for preemption priority 3 bits for subpriority NVIC_PRIORITYGROUP_2: 2 bits for preemption priority 2 bits for subpriority NVIC_PRIORITYGROUP_3: 3 bits for preemption priority 1 bits for subpriority NVIC_PRIORITYGROUP_4: 4 bits for preemption priority 0 bits 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 387 of file stm32f4xx_hal_cortex.c.

References assert_param, and IS_NVIC_PRIORITY_GROUP.

uint32_t HAL_NVIC_GetPriorityGrouping

(

void

)

Gets the priority grouping field from the NVIC Interrupt Controller.

Return values:

Priority

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

Definition at line 360 of file stm32f4xx_hal_cortex.c.

void HAL_NVIC_SetPendingIRQ

(

IRQn_Type

IRQn

)

Sets 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 (stm32f4xxxx.h))

Return values:

None

Definition at line 402 of file stm32f4xx_hal_cortex.c.

References assert_param, and IS_NVIC_DEVICE_IRQ.

void HAL_SYSTICK_Callback

(

void

)

SYSTICK callback.

Return values:

None

Definition at line 497 of file stm32f4xx_hal_cortex.c.

Referenced by HAL_SYSTICK_IRQHandler().

void HAL_SYSTICK_CLKSourceConfig

(

uint32_t

CLKSource

)

Configures 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 470 of file stm32f4xx_hal_cortex.c.

References assert_param, IS_SYSTICK_CLK_SOURCE, and SYSTICK_CLKSOURCE_HCLK.

void HAL_SYSTICK_IRQHandler

(

void

)

This function handles SYSTICK interrupt request.

Return values:

None

Definition at line 488 of file stm32f4xx_hal_cortex.c.

References HAL_SYSTICK_Callback().