STM32F439xx HAL User Manual
Defines
Flags Interrupts Management
RCC Exported Macros

macros to manage the specified RCC Flags and interrupts. More...

Defines

#define __HAL_RCC_ENABLE_IT(__INTERRUPT__)   (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS |= (__INTERRUPT__))
 Enable RCC interrupt (Perform Byte access to RCC_CIR[14:8] bits to enable the selected interrupts).
#define __HAL_RCC_DISABLE_IT(__INTERRUPT__)   (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS &= (uint8_t)(~(__INTERRUPT__)))
 Disable RCC interrupt (Perform Byte access to RCC_CIR[14:8] bits to disable the selected interrupts).
#define __HAL_RCC_CLEAR_IT(__INTERRUPT__)   (*(__IO uint8_t *) RCC_CIR_BYTE2_ADDRESS = (__INTERRUPT__))
 Clear the RCC's interrupt pending bits (Perform Byte access to RCC_CIR[23:16] bits to clear the selected interrupt pending bits.
#define __HAL_RCC_GET_IT(__INTERRUPT__)   ((RCC->CIR & (__INTERRUPT__)) == (__INTERRUPT__))
 Check the RCC's interrupt has occurred or not.
#define __HAL_RCC_CLEAR_RESET_FLAGS()   (RCC->CSR |= RCC_CSR_RMVF)
 Set RMVF bit to clear the reset flags: RCC_FLAG_PINRST, RCC_FLAG_PORRST, RCC_FLAG_SFTRST, RCC_FLAG_IWDGRST, RCC_FLAG_WWDGRST and RCC_FLAG_LPWRRST.
#define RCC_FLAG_MASK   ((uint8_t)0x1FU)
 Check RCC flag is set or not.
#define __HAL_RCC_GET_FLAG(__FLAG__)   (((((((__FLAG__) >> 5U) == 1U)? RCC->CR :((((__FLAG__) >> 5U) == 2U) ? RCC->BDCR :((((__FLAG__) >> 5U) == 3U)? RCC->CSR :RCC->CIR))) & (1U << ((__FLAG__) & RCC_FLAG_MASK)))!= 0U)? 1U : 0U)

Detailed Description

macros to manage the specified RCC Flags and interrupts.


Define Documentation

#define __HAL_RCC_CLEAR_IT (   __INTERRUPT__)    (*(__IO uint8_t *) RCC_CIR_BYTE2_ADDRESS = (__INTERRUPT__))

Clear the RCC's interrupt pending bits (Perform Byte access to RCC_CIR[23:16] bits to clear the selected interrupt pending bits.

Parameters:
__INTERRUPT__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_CSS: Clock Security System interrupt

Definition at line 1206 of file stm32f4xx_hal_rcc.h.

Referenced by HAL_RCC_NMI_IRQHandler().

#define __HAL_RCC_CLEAR_RESET_FLAGS ( )    (RCC->CSR |= RCC_CSR_RMVF)

Set RMVF bit to clear the reset flags: RCC_FLAG_PINRST, RCC_FLAG_PORRST, RCC_FLAG_SFTRST, RCC_FLAG_IWDGRST, RCC_FLAG_WWDGRST and RCC_FLAG_LPWRRST.

Definition at line 1225 of file stm32f4xx_hal_rcc.h.

#define __HAL_RCC_DISABLE_IT (   __INTERRUPT__)    (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS &= (uint8_t)(~(__INTERRUPT__)))

Disable RCC interrupt (Perform Byte access to RCC_CIR[14:8] bits to disable the selected interrupts).

Parameters:
__INTERRUPT__specifies the RCC interrupt sources to be 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.

Definition at line 1192 of file stm32f4xx_hal_rcc.h.

#define __HAL_RCC_ENABLE_IT (   __INTERRUPT__)    (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS |= (__INTERRUPT__))

Enable RCC interrupt (Perform Byte access to RCC_CIR[14:8] bits to enable the selected interrupts).

Parameters:
__INTERRUPT__specifies the RCC interrupt sources to be enabled. 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.

Definition at line 1179 of file stm32f4xx_hal_rcc.h.

#define __HAL_RCC_GET_FLAG (   __FLAG__)    (((((((__FLAG__) >> 5U) == 1U)? RCC->CR :((((__FLAG__) >> 5U) == 2U) ? RCC->BDCR :((((__FLAG__) >> 5U) == 3U)? RCC->CSR :RCC->CIR))) & (1U << ((__FLAG__) & RCC_FLAG_MASK)))!= 0U)? 1U : 0U)
#define __HAL_RCC_GET_IT (   __INTERRUPT__)    ((RCC->CIR & (__INTERRUPT__)) == (__INTERRUPT__))

Check the RCC's interrupt has occurred or not.

Parameters:
__INTERRUPT__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_CSS: Clock Security System interrupt
Return values:
Thenew state of __INTERRUPT__ (TRUE or FALSE).

Definition at line 1220 of file stm32f4xx_hal_rcc.h.

Referenced by HAL_RCC_NMI_IRQHandler().

#define RCC_FLAG_MASK   ((uint8_t)0x1FU)

Check RCC flag is set or not.

Parameters:
__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_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 __FLAG__ (TRUE or FALSE).

Definition at line 1245 of file stm32f4xx_hal_rcc.h.