Request & Reply Packets

The purpose of request/reply packet is to transmit data requests between vehicles. The request packet will be send from the requester to the receiver. The replay packet will be send from the receiver back to requester to confirm or deny the request.

Request packet schema

Field	Size	Purpose
Requester Comm ID	uint_8	Indicates sender's Comm ID
Receiver Comm ID	uint_8	Indicates receiver's Comm ID
Data to be requested	uint_8	Indicates what kind of data, User defined, 0x00 denote all available data
Control Flag	uint_8	Indicate request to start transmit, Or stop transmission of said data.

Reply packet schema

Field	Size	Purpose
Replier Comm ID	uint_8	Indicates replier's Comm ID
Receiver Comm ID	uint_8	Indicates receiver's Comm ID
Data to be requested	uint_8	Indicates what kind of data, User defined, 0x00 denote all available data
Control Flag	uint_8	Control flag indicates acceptance or denial of said request.