SysEthernetBurstReceiveReserve (FUN)

FUNCTION SysEthernetBurstReceiveReserve : UDINT

Reserves memory slots to receive ethernet frames. Must be called before SysEthernetBurstReceiveGetMemory.

InOut:

Scope	Name	Type	Comment
Return	SysEthernetBurstReceiveReserve	UDINT	Returns how many packets are actually available. The value will be between 0 and “count”, inclusive.
Input	hAdapter	SysTypes.RTS_IEC_HANDLE	Handle of the adapter. Must be retrieved using SysEthernetAdapterOpen
	count	UDINT	How many slots should be reserved at max
	pRes	POINTER TO SysTypes.RTS_IEC_RESULT	Result of the operation