SysCpuSetBit (FUN)

FUNCTION SysCpuSetBit : RTS_IEC_RESULT

<description>
Set a bit in an ULONG variable in one processor step. This operation is to provide

a multitasking save operation.

</description> <result><p>RESULT: Returns the runtime system error code (see CmpErrors.library).</p></result>

InOut:

Scope

Name

Type

Comment

Return

SysCpuSetBit

RTS_IEC_RESULT

Input

pulValue

POINTER TO UDINT

<param name=”pulValue” type=”IN”>Pointer to the unsigned value to set a bit inside in one atomic

processor step</param>

ulBit

UDINT

<param name=”ulBit” type=”IN”>Bit number inside the variable to set. 0=first bit, 31=last bit</param>