Initialization and de-initialization functions

Initialization and Configuration functions. More...

Collaboration diagram for Initialization and de-initialization functions:

Functions
void	HAL_NVIC_SetPriorityGrouping (uint32_t PriorityGroup)
	Sets the priority grouping field (preemption priority and subpriority) using the required unlock sequence.
void	HAL_NVIC_SetPriority (IRQn_Type IRQn, uint32_t PreemptPriority, uint32_t SubPriority)
	Sets the priority of an interrupt.
void	HAL_NVIC_EnableIRQ (IRQn_Type IRQn)
	Enables a device specific interrupt in the NVIC interrupt controller.
void	HAL_NVIC_DisableIRQ (IRQn_Type IRQn)
	Disables a device specific interrupt in the NVIC interrupt controller.
void	HAL_NVIC_SystemReset (void)
	Initiates a system reset request to reset the MCU.
uint32_t	HAL_SYSTICK_Config (uint32_t TicksNumb)
	Initializes the System Timer and its interrupt, and starts the System Tick Timer. Counter is in free running mode to generate periodic interrupts.

Detailed Description

Initialization and Configuration functions.

  ==============================================================================
              ##### Initialization and de-initialization functions #####
  ==============================================================================
    [..]
      This section provides the CORTEX HAL driver functions allowing to configure Interrupts
      Systick functionalities 

Function Documentation

HAL_NVIC_SetPriorityGrouping()

void HAL_NVIC_SetPriorityGrouping

(

uint32_t

PriorityGroup

)

#include <stm32f4xx_hal_cortex.h>

Sets the priority grouping field (preemption priority and subpriority) using the required unlock sequence.

Parameters

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

Note

When the NVIC_PriorityGroup_0 is selected, IRQ preemption is no more possible. The pending IRQ priority will be managed only by the subpriority.

Return values

None

Definition at line 141 of file stm32f4xx_hal_cortex.c.

References assert_param, and IS_NVIC_PRIORITY_GROUP.

Referenced by HAL_Init().

HAL_NVIC_SetPriority()

void HAL_NVIC_SetPriority	(	IRQn_Type	IRQn,
		uint32_t	PreemptPriority,
		uint32_t	SubPriority )

#include <stm32f4xx_hal_cortex.h>

Sets 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))
PreemptPriority	The preemption priority for the IRQn channel. This parameter can be a value between 0 and 15 A lower priority value indicates a higher priority
SubPriority	the subpriority level for the IRQ channel. This parameter can be a value between 0 and 15 A lower priority value indicates a higher priority.

Return values

None

Definition at line 163 of file stm32f4xx_hal_cortex.c.

References assert_param, IS_NVIC_PREEMPTION_PRIORITY, and IS_NVIC_SUB_PRIORITY.

Referenced by HAL_InitTick().

HAL_NVIC_EnableIRQ()

void HAL_NVIC_EnableIRQ

(

IRQn_Type

IRQn

)

#include <stm32f4xx_hal_cortex.h>

Enables a device specific interrupt in the NVIC interrupt controller.

Note

To configure interrupts priority correctly, the NVIC_PriorityGroupConfig() function should be called before.

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 185 of file stm32f4xx_hal_cortex.c.

References assert_param, and IS_NVIC_DEVICE_IRQ.

Referenced by HAL_InitTick().

HAL_NVIC_DisableIRQ()

void HAL_NVIC_DisableIRQ

(

IRQn_Type

IRQn

)

#include <stm32f4xx_hal_cortex.h>

Disables a device specific interrupt in the NVIC interrupt controller.

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 201 of file stm32f4xx_hal_cortex.c.

References assert_param, and IS_NVIC_DEVICE_IRQ.

HAL_NVIC_SystemReset()

void HAL_NVIC_SystemReset

(

void

)

#include <stm32f4xx_hal_cortex.h>

Initiates a system reset request to reset the MCU.

Return values

None

Definition at line 214 of file stm32f4xx_hal_cortex.c.

HAL_SYSTICK_Config()

uint32_t HAL_SYSTICK_Config

(

uint32_t

TicksNumb

)

#include <stm32f4xx_hal_cortex.h>

Initializes the System Timer and its interrupt, and starts the System Tick Timer. Counter is in free running mode to generate periodic interrupts.

Parameters

TicksNumb

Specifies the ticks Number of ticks between two interrupts.

Return values

status

- 0 Function succeeded. 1 Function failed.

Definition at line 227 of file stm32f4xx_hal_cortex.c.

Referenced by HAL_InitTick().