1.2.8.8 SYS_INT_SourceIsEnabled Function

1.2.8.8 C

bool SYS_INT_SourceIsEnabled( INT_SOURCE source )

1.2.8.8 Summary

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

1.2.8.8 Description

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

1.2.8.8 Precondition

None.

1.2.8.8 Parameters

ParametersDescription
sourceInterrupt source/line available at interrupt controller

1.2.8.8 Returns

  • True - Interrupt line is enabled
  • False - Interrupt line is disabled

1.2.8.8 Example

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

1.2.8.8 Remarks

Unlike SYS_INT_Disable, this function just returns the status and does not disable the interrupt line.