1.2.8.8 SYS_INT_SourceIsEnabled Function

C

bool SYS_INT_SourceIsEnabled( INT_SOURCE source )

Gets the enable/disable status of the specified interrupt source.

This function returns the enable/disable status of the specified interrupt source/line at the interrupt controller level.

None.


Param	Description
source	Interrupt source/line available at interrupt controller.

- true - Interrupt line is enabled.

- false - Interrupt line is disabled.

bool usart0Int = false;
usart0Int = SYS_INT_SourceIsEnabled(USART0_IRQn);

Unlike SYS_INT_Disable, this function just returns the status and doesn't disable the interrupt line.