Development system of interoperability electricity communication protocol
A communication protocol and development system technology, applied in transmission systems, digital transmission systems, electrical components, etc., can solve the problems of IEC62056 technical complexity, IEC62056 protocol communication can not be realized, single-chip microcomputer space is small, etc., to achieve the effect of saving single-chip microcomputer resources
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[0017] from figure 1 It can be seen that the development system of this interoperability meter communication protocol includes an application data processing unit, an IEC62056 communication protocol stack module, a frame buffer, and an information buffer. The IEC62056 communication protocol stack module includes a physical layer, a link layer and application layer. The physical layer microcontroller interrupts to receive external frame content and interference. Each byte received will be put into the frame buffer, which is a circular container, and when the received byte reaches the end of the frame, it will be put back into the head of the buffer. At this time, the task of the physical layer is only to receive data. combine figure 2 It can be seen that the frame composition of IEC62056 includes frame frame and frame information body. The frame frame includes flag, frame format, destination address, source address, control, HCS, FCS, flag, and the frame information body is...
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