Flag_Management

Functions
__STATIC_INLINE uint32_t	LL_EXTI_IsActiveFlag_0_31 (uint32_t ExtiLine)
	Check if the ExtLine Flag is set or not for Lines in range 0 to 31. More...
__STATIC_INLINE uint32_t	LL_EXTI_IsActiveFlag_32_63 (uint32_t ExtiLine)
	Check if the ExtLine Flag is set or not for Lines in range 32 to 63. More...
__STATIC_INLINE uint32_t	LL_EXTI_ReadFlag_0_31 (uint32_t ExtiLine)
	Read ExtLine Combination Flag for Lines in range 0 to 31. More...
__STATIC_INLINE uint32_t	LL_EXTI_ReadFlag_32_63 (uint32_t ExtiLine)
	Read ExtLine Combination Flag for Lines in range 32 to 63. More...
__STATIC_INLINE void	LL_EXTI_ClearFlag_0_31 (uint32_t ExtiLine)
	Clear ExtLine Flags for Lines in range 0 to 31. More...
__STATIC_INLINE void	LL_EXTI_ClearFlag_32_63 (uint32_t ExtiLine)
	Clear ExtLine Flags for Lines in range 32 to 63. More...

Detailed Description

Function Documentation

LL_EXTI_ClearFlag_0_31()

__STATIC_INLINE void LL_EXTI_ClearFlag_0_31

(

uint32_t

ExtiLine

)

Clear ExtLine Flags for Lines in range 0 to 31.

Note

This bit is set when the selected edge event arrives on the interrupt line. This bit is cleared by writing a 1 to the bit. PR1 PIFx LL_EXTI_ClearFlag_0_31

Parameters

ExtiLine

This parameter can be a combination of the following values: LL_EXTI_LINE_0 LL_EXTI_LINE_1 LL_EXTI_LINE_2 LL_EXTI_LINE_3 LL_EXTI_LINE_4 LL_EXTI_LINE_5 LL_EXTI_LINE_6 LL_EXTI_LINE_7 LL_EXTI_LINE_8 LL_EXTI_LINE_9 LL_EXTI_LINE_10 LL_EXTI_LINE_11 LL_EXTI_LINE_12 LL_EXTI_LINE_13 LL_EXTI_LINE_14 LL_EXTI_LINE_15 LL_EXTI_LINE_16 LL_EXTI_LINE_18 LL_EXTI_LINE_19 LL_EXTI_LINE_20 LL_EXTI_LINE_21 LL_EXTI_LINE_22 LL_EXTI_LINE_29 LL_EXTI_LINE_30 LL_EXTI_LINE_31

Note

Please check each device line mapping for EXTI Line availability

Return values

None

Definition at line 1299 of file stm32l4xx_ll_exti.h.

{
  WRITE_REG(EXTI->PR1, ExtiLine);
}

LL_EXTI_ClearFlag_32_63()

__STATIC_INLINE void LL_EXTI_ClearFlag_32_63

(

uint32_t

ExtiLine

)

Clear ExtLine Flags for Lines in range 32 to 63.

Note

This bit is set when the selected edge event arrives on the interrupt line. This bit is cleared by writing a 1 to the bit. PR2 PIFx LL_EXTI_ClearFlag_32_63

Parameters

ExtiLine

This parameter can be a combination of the following values: LL_EXTI_LINE_35 LL_EXTI_LINE_36 LL_EXTI_LINE_37 LL_EXTI_LINE_38

Return values

None

Definition at line 1316 of file stm32l4xx_ll_exti.h.

{
  WRITE_REG(EXTI->PR2, ExtiLine);
}

LL_EXTI_IsActiveFlag_0_31()

__STATIC_INLINE uint32_t LL_EXTI_IsActiveFlag_0_31

(

uint32_t

ExtiLine

)

Check if the ExtLine Flag is set or not for Lines in range 0 to 31.

Note

This bit is set when the selected edge event arrives on the interrupt line. This bit is cleared by writing a 1 to the bit. PR1 PIFx LL_EXTI_IsActiveFlag_0_31

Parameters

ExtiLine

This parameter can be a combination of the following values: LL_EXTI_LINE_0 LL_EXTI_LINE_1 LL_EXTI_LINE_2 LL_EXTI_LINE_3 LL_EXTI_LINE_4 LL_EXTI_LINE_5 LL_EXTI_LINE_6 LL_EXTI_LINE_7 LL_EXTI_LINE_8 LL_EXTI_LINE_9 LL_EXTI_LINE_10 LL_EXTI_LINE_11 LL_EXTI_LINE_12 LL_EXTI_LINE_13 LL_EXTI_LINE_14 LL_EXTI_LINE_15 LL_EXTI_LINE_16 LL_EXTI_LINE_18 LL_EXTI_LINE_19 LL_EXTI_LINE_20 LL_EXTI_LINE_21 LL_EXTI_LINE_22 LL_EXTI_LINE_29 LL_EXTI_LINE_30 LL_EXTI_LINE_31

Note

Please check each device line mapping for EXTI Line availability

Return values

State

of bit (1 or 0).

Definition at line 1187 of file stm32l4xx_ll_exti.h.

{
  return ((READ_BIT(EXTI->PR1, ExtiLine) == (ExtiLine)) ? 1UL : 0UL);
}

LL_EXTI_IsActiveFlag_32_63()

__STATIC_INLINE uint32_t LL_EXTI_IsActiveFlag_32_63

(

uint32_t

ExtiLine

)

Check if the ExtLine Flag is set or not for Lines in range 32 to 63.

Note

This bit is set when the selected edge event arrives on the interrupt line. This bit is cleared by writing a 1 to the bit. PR2 PIFx LL_EXTI_IsActiveFlag_32_63

Parameters

ExtiLine

This parameter can be a combination of the following values: LL_EXTI_LINE_35 LL_EXTI_LINE_36 LL_EXTI_LINE_37 LL_EXTI_LINE_38

Return values

State

of bit (1 or 0).

Definition at line 1204 of file stm32l4xx_ll_exti.h.

{
  return ((READ_BIT(EXTI->PR2, ExtiLine) == (ExtiLine)) ? 1UL : 0UL);
}

LL_EXTI_ReadFlag_0_31()

__STATIC_INLINE uint32_t LL_EXTI_ReadFlag_0_31

(

uint32_t

ExtiLine

)

Read ExtLine Combination Flag for Lines in range 0 to 31.

Note

This bit is set when the selected edge event arrives on the interrupt line. This bit is cleared by writing a 1 to the bit. PR1 PIFx LL_EXTI_ReadFlag_0_31

Parameters

ExtiLine

This parameter can be a combination of the following values: LL_EXTI_LINE_0 LL_EXTI_LINE_1 LL_EXTI_LINE_2 LL_EXTI_LINE_3 LL_EXTI_LINE_4 LL_EXTI_LINE_5 LL_EXTI_LINE_6 LL_EXTI_LINE_7 LL_EXTI_LINE_8 LL_EXTI_LINE_9 LL_EXTI_LINE_10 LL_EXTI_LINE_11 LL_EXTI_LINE_12 LL_EXTI_LINE_13 LL_EXTI_LINE_14 LL_EXTI_LINE_15 LL_EXTI_LINE_16 LL_EXTI_LINE_18 LL_EXTI_LINE_19 LL_EXTI_LINE_20 LL_EXTI_LINE_21 LL_EXTI_LINE_22 LL_EXTI_LINE_29 LL_EXTI_LINE_30 LL_EXTI_LINE_31

Note

Please check each device line mapping for EXTI Line availability

Return values

Definition at line 1243 of file stm32l4xx_ll_exti.h.

{
  return (uint32_t)(READ_BIT(EXTI->PR1, ExtiLine));
}

LL_EXTI_ReadFlag_32_63()

__STATIC_INLINE uint32_t LL_EXTI_ReadFlag_32_63

(

uint32_t

ExtiLine

)

Read ExtLine Combination Flag for Lines in range 32 to 63.

Note

This bit is set when the selected edge event arrives on the interrupt line. This bit is cleared by writing a 1 to the bit. PR2 PIFx LL_EXTI_ReadFlag_32_63

Parameters

ExtiLine

This parameter can be a combination of the following values: LL_EXTI_LINE_35 LL_EXTI_LINE_36 LL_EXTI_LINE_37 LL_EXTI_LINE_38

Return values

Definition at line 1260 of file stm32l4xx_ll_exti.h.

{
  return (uint32_t)(READ_BIT(EXTI->PR2, ExtiLine));
}