SysIntOpen (FUN)

FUNCTION SysIntOpen : RTS_IEC_HANDLE

<description>Open a valid interrupt</description> <result><p>RESULT: Handle to the interrupt or RTS_INVALID_HANDLE if failed.</p></result>

InOut:

Scope

Name

Type

Comment

Return

SysIntOpen

RTS_IEC_HANDLE

Input

ulInterrupt

UDINT

<param name=”ulInterrupt” type=”IN”>Interrupt number</param>

pIntDescription

POINTER TO SYS_INT_DESCRIPTION

<param name=”pIntDescription” type=”IN”>Pointer to optional interrupt description</param>

pResult

POINTER TO RTS_IEC_RESULT

<param name=”pResult” type=”OUT”>Pointer to runtime system error code (see CmpErrors.library)</param>