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##

# 1.2.8.8 SYS_INT_SourceIsEnabled Function

## C

    bool SYS_INT_SourceIsEnabled( INT_SOURCE source )

## Summary

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

## Description

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

## Precondition

None.

## Parameters

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

## Returns

- true - Interrupt line is enabled.

- false - Interrupt line is disabled.

## Example

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

## Remarks

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