SYSTICK

Collaboration diagram for SYSTICK:

Functions
__STATIC_INLINE uint32_t	LL_SYSTICK_IsActiveCounterFlag (void)
	This function checks if the Systick counter flag is active or not. More...
__STATIC_INLINE void	LL_SYSTICK_SetClkSource (uint32_t Source)
	Configures the SysTick clock source @rmtoll STK_CTRL CLKSOURCE LL_SYSTICK_SetClkSource. More...
__STATIC_INLINE uint32_t	LL_SYSTICK_GetClkSource (void)
	Get the SysTick clock source @rmtoll STK_CTRL CLKSOURCE LL_SYSTICK_GetClkSource. More...
__STATIC_INLINE void	LL_SYSTICK_EnableIT (void)
	Enable SysTick exception request @rmtoll STK_CTRL TICKINT LL_SYSTICK_EnableIT. More...
__STATIC_INLINE void	LL_SYSTICK_DisableIT (void)
	Disable SysTick exception request @rmtoll STK_CTRL TICKINT LL_SYSTICK_DisableIT. More...
__STATIC_INLINE uint32_t	LL_SYSTICK_IsEnabledIT (void)
	Checks if the SYSTICK interrupt is enabled or disabled. @rmtoll STK_CTRL TICKINT LL_SYSTICK_IsEnabledIT. More...

Detailed Description

Function Documentation

LL_SYSTICK_IsActiveCounterFlag()

__STATIC_INLINE uint32_t LL_SYSTICK_IsActiveCounterFlag

(

void

)

This function checks if the Systick counter flag is active or not.

Note

It can be used in timeout function on application side. @rmtoll STK_CTRL COUNTFLAG LL_SYSTICK_IsActiveCounterFlag

Return values

State

of bit (1 or 0).

{
  return ((SysTick->CTRL & SysTick_CTRL_COUNTFLAG_Msk) == (SysTick_CTRL_COUNTFLAG_Msk));
}

LL_SYSTICK_SetClkSource()

__STATIC_INLINE void LL_SYSTICK_SetClkSource

(

uint32_t

Source

)

Configures the SysTick clock source @rmtoll STK_CTRL CLKSOURCE LL_SYSTICK_SetClkSource.

Parameters

Source

This parameter can be one of the following values: LL_SYSTICK_CLKSOURCE_HCLK_DIV8 LL_SYSTICK_CLKSOURCE_HCLK

Return values

None

{
  if (Source == LL_SYSTICK_CLKSOURCE_HCLK)
  {
    SET_BIT(SysTick->CTRL, LL_SYSTICK_CLKSOURCE_HCLK);
  }
  else
  {
    CLEAR_BIT(SysTick->CTRL, LL_SYSTICK_CLKSOURCE_HCLK);
  }
}

LL_SYSTICK_GetClkSource()

__STATIC_INLINE uint32_t LL_SYSTICK_GetClkSource

(

void

)

Get the SysTick clock source @rmtoll STK_CTRL CLKSOURCE LL_SYSTICK_GetClkSource.

Return values

Returned

value can be one of the following values: LL_SYSTICK_CLKSOURCE_HCLK_DIV8 LL_SYSTICK_CLKSOURCE_HCLK

{
  return READ_BIT(SysTick->CTRL, LL_SYSTICK_CLKSOURCE_HCLK);
}

LL_SYSTICK_EnableIT()

__STATIC_INLINE void LL_SYSTICK_EnableIT

(

void

)

Enable SysTick exception request @rmtoll STK_CTRL TICKINT LL_SYSTICK_EnableIT.

Return values

None

{
  SET_BIT(SysTick->CTRL, SysTick_CTRL_TICKINT_Msk);
}

LL_SYSTICK_DisableIT()

__STATIC_INLINE void LL_SYSTICK_DisableIT

(

void

)

Disable SysTick exception request @rmtoll STK_CTRL TICKINT LL_SYSTICK_DisableIT.

Return values

None

{
  CLEAR_BIT(SysTick->CTRL, SysTick_CTRL_TICKINT_Msk);
}

LL_SYSTICK_IsEnabledIT()

__STATIC_INLINE uint32_t LL_SYSTICK_IsEnabledIT

(

void

)

Checks if the SYSTICK interrupt is enabled or disabled. @rmtoll STK_CTRL TICKINT LL_SYSTICK_IsEnabledIT.

Return values

State

of bit (1 or 0).

{
  return (READ_BIT(SysTick->CTRL, SysTick_CTRL_TICKINT_Msk) == (SysTick_CTRL_TICKINT_Msk));
}