FPGA online upgrading method based on dynamic local reconstruction

Abstract

The invention particularly relates to an FPGA online upgrading method based on dynamic local reconstruction. According to the FPGA online upgrading method based on dynamic local reconstruction, a system host is connected with an FPGA chip through an Ethernet interface, a command and a configuration file needing to be upgraded are sent to the FPGA chip, and the FPGA chip carries out protocol analysis on the configuration file and then stores the configuration file into a Flash memory. According to the FPGA online upgrading method based on dynamic local reconstruction, online real-time updatingof the configuration file can be guaranteed, online self-upgrading of the FPGA is achieved, other control devices do not need to be additionally introduced, cost is saved, and meanwhile overall powerconsumption of a control system is facilitated.

Description

technical field [0001] The invention relates to the field of computer application technology, in particular to an FPGA online upgrading method based on dynamic partial reconfiguration. Background technique [0002] FPGA (Field-Programmable Gate Array), that is, Field Programmable Gate Array, is a product of further development on the basis of programmable devices such as PAL, GAL, and CPLD. It emerged as a semi-custom circuit in the field of application-specific integrated circuits (ASIC), which not only solves the shortcomings of custom circuits, but also overcomes the shortcomings of the limited number of original programmable device gates. [0003] FPGA adopts the concept of logic cell array LCA (Logic Cell Array), which includes three parts: configurable logic module CLB (Configurable Logic Block), input and output module IOB (Input Output Block) and internal wiring (Interconnect). Field Programmable Gate Array (FPGA) is a programmable device. Compared with traditional ...

AI Technical Summary

Problems solved by technology

At present, many products with FPGA cannot be upgraded online, which affects the efficiency of FPGA use

Moreover, the common FPGA online upgrade method is to use ARM, DSP or additional FPGA to control the target FPGA to perform online upgrade of the configuration file. This method of adding additional control devices will not only increase the cost, but also affect the system power consumption.

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