Research Article

Discussion on Application of Embedded Operating System in Dual-Core Smart Electric Meter

Table 2

Protocol data frame format.

nameMeaningMember

agrform_tCommunication frame header structure between 4 services and basic application appFristSepa: identifier, fixed as 0 × 68 CAID: source address, address of initiator
Said: destination address, response module address encryption: encryption method
MetersAddr: type of protocol communication address AgreType: protocol type ComType: command type overRbye1: and verify that all save fields are reserved to use the length of DataLen: uplink/downlink 645 protocol frame
AgrDataBufFrame content dataComplete 645 frames of data of uplink/downlink 645 protocol (from the starter 68 to the terminator 16)
pipe_tPipe typeThe trend of data, such as V_BUS_TO_COM_SRV, indicates the pipeline from virtual bus to communication management service, virtual bus receiving pipeline, and communication management service sending pipeline