52  LL CORTEX Generic Driver 
52.1  CORTEX Firmware driver API description 
52.1.1  Detailed description of functions 
LL_SYSTICK_IsActiveCounterFlag 
__STATIC_INLINE uint32_t LL_SYSTICK_IsActiveCounterFlag 
(void ) 
This function checks if the Systick counter flag is active or not.  
  It can be used in timeout function on application side. 
Reference Manual to 
LL API cross 
reference: 
  STK_CTRL COUNTFLAG LL_SYSTICK_IsActiveCounterFlag 
LL_SYSTICK_SetClkSource 
__STATIC_INLINE void LL_SYSTICK_SetClkSource (uint32_t 
Source) 
Configures the SysTick clock source.  
  Source:  This parameter can be one of the following values:  
  LL_SYSTICK_CLKSOURCE_HCLK_DIV8 
  LL_SYSTICK_CLKSOURCE_HCLK 
Reference Manual to 
LL API cross 
reference: 
  STK_CTRL CLKSOURCE LL_SYSTICK_SetClkSource 
LL_SYSTICK_GetClkSource 
__STATIC_INLINE uint32_t LL_SYSTICK_GetClkSource (void ) 
Get the SysTick clock source.  
  Returned:  value can be one of the following values:  
  LL_SYSTICK_CLKSOURCE_HCLK_DIV8 
  LL_SYSTICK_CLKSOURCE_HCLK 
Reference Manual to 
LL API cross 
reference: 
  STK_CTRL CLKSOURCE LL_SYSTICK_GetClkSource 
LL_SYSTICK_EnableIT 
__STATIC_INLINE void LL_SYSTICK_EnableIT (void ) 
Enable SysTick exception request.