1.2.8.5 SYS_INT_SourceEnable Function

C

void SYS_INT_SourceEnable( INT_SOURCE source )

Summary

Enables the specified interrupt source.

Description

This function enables the specified interrupt source/line at the interrupt controller level.

Precondition

None.

Parameters

ParamDescription
sourceInterrupt source/line available at interrupt controller.

Returns

None.

Example

SYS_INT_SourceEnable(USART0_IRQn);

Remarks

The corresponding module level interrupts must be enabled to trigger the specified interrupt source/line. For example, USART0 interrupt enable at interrupt controller level is not triggered unless USART0 module level interrupt for TXRDY or RXRDY or Error interrupts are not enabled.