ST STM32F2 User Manual

UM1940
LL EXTI Generic Driver
DocID028236 Rev 2
913/1371
Return values
None:
Notes
The reset value for the direct or internal lines (see RM) is set
to 1 in order to enable the interrupt by default. Bits are set
automatically at Power on.
Please check each device line mapping for EXTI Line
availability
Reference Manual to
LL API cross
reference:
IMR IMx LL_EXTI_DisableIT_0_31
LL_EXTI_IsEnabledIT_0_31
Function name
__STATIC_INLINE uint32_t LL_EXTI_IsEnabledIT_0_31
(uint32_t ExtiLine)
Function description
Indicate if ExtiLine Interrupt request is enabled for Lines in range 0
to 31.
Parameters
ExtiLine: This parameter can be one 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_17
LL_EXTI_LINE_18
LL_EXTI_LINE_19
LL_EXTI_LINE_20
LL_EXTI_LINE_21
LL_EXTI_LINE_22
LL_EXTI_LINE_ALL_0_31
Return values
State: of bit (1 or 0).
Notes
The reset value for the direct or internal lines (see RM) is set
to 1 in order to enable the interrupt by default. Bits are set
automatically at Power on.
Please check each device line mapping for EXTI Line
availability
Reference Manual to
LL API cross
IMR IMx LL_EXTI_IsEnabledIT_0_31

ST STM32F2 Specifications

General

Brand	ST
Model	STM32F2
Category	Microcontrollers
Language	English