2.58.6 INTC_SourceEnable Function

C

void INTC_SourceEnable( INT_SOURCE source )

Summary

Enables the interrupt source.

Description

This function enables the interrupt source. The interrupt flag is set when the interrupt request is sampled. The pending interrupt request will not cause further processing if the interrupt is not enabled using this function or if interrupts are not enabled.

This API performs a Read-Modify-Write (RMW) operation on the IECx register. To prevent race conditions, please disable global interrupts using $INTC_Disable$ API before calling this function.

Precondition

INTC_Initialize() function must have been called first.

Parameters


Param	Description
source	One of the possible values from INT_SOURCE.

Returns

None.

Example

 bool prevStatus = INTC_Disable();
 INTC_SourceDisable(INT_SOURCE_INT0);
 INTC_Restore(prevStatus);

Remarks

This function implements an operation of the SourceControl feature. This feature may not be available on all devices. Please refer to the specific device data sheet to determine availability.