Cortex control functions. More...

Collaboration diagram for Peripheral Control functions:

Functions
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.

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_SetPendingIRQ (IRQn_Type IRQn)
	Sets Pending bit of an external 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.

void	HAL_SYSTICK_Callback (void)
	SYSTICK callback.

void	HAL_CORTEX_ClearEvent (void)
	Clear pending events.

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

◆ HAL_NVIC_GetPriorityGrouping()

uint32_t HAL_NVIC_GetPriorityGrouping ( void )

#include <stm32f4xx_hal_cortex.h>

Gets the priority grouping field from the NVIC Interrupt Controller.

Return values

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

Definition at line 378 of file stm32f4xx_hal_cortex.c.

◆ HAL_NVIC_GetPriority()

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

#include <stm32f4xx_hal_cortex.h>

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 405 of file stm32f4xx_hal_cortex.c.

References assert_param, and IS_NVIC_PRIORITY_GROUP.

◆ HAL_NVIC_GetPendingIRQ()

uint32_t HAL_NVIC_GetPendingIRQ ( IRQn_Type IRQn )

#include <stm32f4xx_hal_cortex.h>

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 438 of file stm32f4xx_hal_cortex.c.

References assert_param, and IS_NVIC_DEVICE_IRQ.

◆ HAL_NVIC_SetPendingIRQ()

void HAL_NVIC_SetPendingIRQ ( IRQn_Type IRQn )

#include <stm32f4xx_hal_cortex.h>

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 420 of file stm32f4xx_hal_cortex.c.

References assert_param, and IS_NVIC_DEVICE_IRQ.

◆ HAL_NVIC_ClearPendingIRQ()

void HAL_NVIC_ClearPendingIRQ ( IRQn_Type IRQn )

#include <stm32f4xx_hal_cortex.h>

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 454 of file stm32f4xx_hal_cortex.c.

References assert_param, and IS_NVIC_DEVICE_IRQ.

◆ HAL_NVIC_GetActive()

uint32_t HAL_NVIC_GetActive ( IRQn_Type IRQn )

#include <stm32f4xx_hal_cortex.h>

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 471 of file stm32f4xx_hal_cortex.c.

References assert_param, and IS_NVIC_DEVICE_IRQ.

◆ HAL_SYSTICK_CLKSourceConfig()

void HAL_SYSTICK_CLKSourceConfig ( uint32_t CLKSource )

#include <stm32f4xx_hal_cortex.h>

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 488 of file stm32f4xx_hal_cortex.c.

References assert_param, IS_SYSTICK_CLK_SOURCE, and SYSTICK_CLKSOURCE_HCLK.