Multi-interface mode realization method of 1553B bus protocol IP (Internet Protocol) core

Abstract

The invention belongs to the field of the IP (Internet Protocol) core design of a 1553B bus protocol, and provides a multi-interface mode realization method of a 1553B bus protocol IP core. The method receives and identifies a relevant configuration command of a microprocessor to realize the identification of a read-write control mode of an interface unit in the 1553B bus protocol IP core. The multi-interface mode realization method can identify two read-write control modes including an external memory used for reading and writing the inside of the 1553B bus protocol IP core and a shared memory used for reading and writing the 1553B bus protocol IP core under a transparent mode, can identify a 16-bit non zero latency buffer mode and a 16-bit zero latency buffer mode under a buffer mode and also can identity a 8-bit non zero latency buffer mode and a 8-bit zero latency buffer mode under the buffer mode so as to solve the problem of single interface mode of the traditional 1553B bus protocol IP core and improve expandability.

Description

technical field [0001] The invention belongs to the field of IP core design based on the 1553B bus protocol, and in particular relates to a multi-interface mode realization method of the 1553B bus protocol IP core. Background technique [0002] 1553B bus protocol, also known as MIL-STD-1553B bus interface protocol. It is known that the transmission rate of the 1553B bus is 1 Mbps, the transmission protocol is a command / response mode, the transmission medium is a shielded twisted pair, and the fault tolerance mechanism is a typical dual redundancy mode. The devices hanging on the 1553B bus are terminal devices, and the terminal devices include three types: Bus Controller (Bus Controller, BC), which is used as the controller and manager of the bus; Remote Terminal (RT), which uses Obtain effective commands from the bus and make a response to complete the corresponding actions; the bus monitor (Monitor Terminal, MT) is used to monitor and record data on the bus. The 1553B bus...

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Problems solved by technology

[0006] The purpose of the embodiments of the present invention is to provide a multi-interface mode implementation method of the 1553B bus protocol IP core, which aims to solve the problem that the existing 1553B bus protocol IP core has a single interface form and can only be matched with the read-write control mode. The problem of poor scalability for data transmission

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