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Interrupts and flags management functions
Functions

Interrupts and flags management functions
[RCC_Private_Functions]

Interrupts and flags management functions. More...

Functions

void RCC_ITConfig (uint8_t RCC_IT, FunctionalState NewState)
 Enables or disables the specified RCC interrupts.
FlagStatus RCC_GetFlagStatus (uint8_t RCC_FLAG)
 Checks whether the specified RCC flag is set or not.
void RCC_ClearFlag (void)
 Clears the RCC reset flags.
ITStatus RCC_GetITStatus (uint8_t RCC_IT)
 Checks whether the specified RCC interrupt has occurred or not.
void RCC_ClearITPendingBit (uint8_t RCC_IT)
 Clears the RCC's interrupt pending bits.

Detailed Description

Interrupts and flags management functions. 

 ===============================================================================
                ##### Interrupts and flags management functions #####
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Function Documentation

void RCC_ClearFlag ( void   )

Clears the RCC reset flags.

The reset flags are: RCC_FLAG_PINRST, RCC_FLAG_PORRST, RCC_FLAG_SFTRST, RCC_FLAG_IWDGRST, RCC_FLAG_WWDGRST, RCC_FLAG_LPWRRST

Parameters:
None
Return values:
None

Definition at line 3112 of file stm32f4xx_rcc_mort.c.

void RCC_ClearITPendingBit ( uint8_t  RCC_IT )

Clears the RCC's interrupt pending bits.

Parameters:
RCC_IT,:specifies the interrupt pending bit to clear. This parameter can be any combination of the following values:

  • RCC_IT_LSIRDY: LSI ready interrupt
  • RCC_IT_LSERDY: LSE ready interrupt
  • RCC_IT_HSIRDY: HSI ready interrupt
  • RCC_IT_HSERDY: HSE ready interrupt
  • RCC_IT_PLLRDY: main PLL ready interrupt
  • RCC_IT_PLLI2SRDY: PLLI2S ready interrupt
  • RCC_IT_PLLSAIRDY: PLLSAI ready interrupt (only for STM32F42xxx/43xxx/446xx/469xx/479xx devices)
  • RCC_IT_CSS: Clock Security System interrupt
Return values:
None

Definition at line 3166 of file stm32f4xx_rcc_mort.c.

FlagStatus RCC_GetFlagStatus ( uint8_t  RCC_FLAG )

Checks whether the specified RCC flag is set or not.

Parameters:
RCC_FLAG,:specifies the flag to check. This parameter can be one of the following values:

  • RCC_FLAG_HSIRDY: HSI oscillator clock ready
  • RCC_FLAG_HSERDY: HSE oscillator clock ready
  • RCC_FLAG_PLLRDY: main PLL clock ready
  • RCC_FLAG_PLLI2SRDY: PLLI2S clock ready
  • RCC_FLAG_PLLSAIRDY: PLLSAI clock ready (only for STM32F42xxx/43xxx/446xx/469xx/479xx devices)
  • RCC_FLAG_LSERDY: LSE oscillator clock ready
  • RCC_FLAG_LSIRDY: LSI oscillator clock ready
  • RCC_FLAG_BORRST: POR/PDR or BOR reset
  • RCC_FLAG_PINRST: Pin reset
  • RCC_FLAG_PORRST: POR/PDR reset
  • RCC_FLAG_SFTRST: Software reset
  • RCC_FLAG_IWDGRST: Independent Watchdog reset
  • RCC_FLAG_WWDGRST: Window Watchdog reset
  • RCC_FLAG_LPWRRST: Low Power reset
Return values:
Thenew state of RCC_FLAG (SET or RESET).

Definition at line 3067 of file stm32f4xx_rcc_mort.c.

ITStatus RCC_GetITStatus ( uint8_t  RCC_IT )

Checks whether the specified RCC interrupt has occurred or not.

Parameters:
RCC_IT,:specifies the RCC interrupt source to check. This parameter can be one of the following values:

  • RCC_IT_LSIRDY: LSI ready interrupt
  • RCC_IT_LSERDY: LSE ready interrupt
  • RCC_IT_HSIRDY: HSI ready interrupt
  • RCC_IT_HSERDY: HSE ready interrupt
  • RCC_IT_PLLRDY: main PLL ready interrupt
  • RCC_IT_PLLI2SRDY: PLLI2S ready interrupt
  • RCC_IT_PLLSAIRDY: PLLSAI clock ready interrupt (only for STM32F42xxx/43xxx/446xx/469xx/479xx devices)
  • RCC_IT_CSS: Clock Security System interrupt
Return values:
Thenew state of RCC_IT (SET or RESET).

Definition at line 3132 of file stm32f4xx_rcc_mort.c.

void RCC_ITConfig ( uint8_t  RCC_IT,
FunctionalState  NewState 
)

Enables or disables the specified RCC interrupts.

Parameters:
RCC_IT,:specifies the RCC interrupt sources to be enabled or disabled. This parameter can be any combination of the following values:

  • RCC_IT_LSIRDY: LSI ready interrupt
  • RCC_IT_LSERDY: LSE ready interrupt
  • RCC_IT_HSIRDY: HSI ready interrupt
  • RCC_IT_HSERDY: HSE ready interrupt
  • RCC_IT_PLLRDY: main PLL ready interrupt
  • RCC_IT_PLLI2SRDY: PLLI2S ready interrupt
  • RCC_IT_PLLSAIRDY: PLLSAI ready interrupt (only for STM32F42xxx/43xxx/446xx/469xx/479xx devices)
NewState,:new state of the specified RCC interrupts. This parameter can be: ENABLE or DISABLE.
Return values:
None

Definition at line 3030 of file stm32f4xx_rcc_mort.c.

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