IEC_BACNET_FRAME_PARAM (STRUCT)¶

TYPE IEC_BACNET_FRAME_PARAM : STRUCT

Frame decoding parameter

Contains the data of the frame to be decoded. The fields tagBACNET_FRAME_PARAMbacFrame and tagBACNET_FRAME_PARAMbacLength are input fields and other fields are filled by the decoder function BACnetFrameDecoder.

InOut:

Name	Type	Comment
pduType	IEC_BACNET_UNSIGNED	output field: type of BACnet PDU (-1 not valid, >= 64 -> network msg)
serviceChoice	IEC_BACNET_UNSIGNED	output field: service choice (-1 for not valid, >= 64 -> unconfirmed)
invokeID	IEC_BACNET_UNSIGNED	output field: invoke-id for confirmed service (-1 for not valid)
objectID	IEC_BACNET_OBJECT_ID	output field: object ID (objType = -1 for not valid)
propertyID	IEC_BACNET_PROPERTY_ID	output field: propertyID (-1 for not valid)
arrayIndex	IEC_BACNET_SIGNED	output field: array Index (BACNET_VOID_INDEX (-1) for not valid)
itemNumber	IEC_BACNET_UNSIGNED	output field: list item number that failed of any reason
pszFrame	POINTER TO BYTE	output field: buffer for complete ASCII decoded BACnet frame
partinfo	POINTER TO IEC_BACNET_FRAME_PART	output field: buffer for BACnet frame parts
bacError	IEC_BACNET_BYTE	output field: optional buffer for BACnet error frame
bacFrame	IEC_BACNET_BYTE	input field: BACnet frame to decode
bacLength	IEC_BACNET_UNSIGNED	input field: length of frame to decode