Design And Implementation Of Data Acquisition And Forwarding System Based On FC-AE

With the wide use of Fibre channel protocol with high speed,high bandwidth and strong reliability,the sub-committee of Avionics system developed the FC-AE-ASM protocol with FC protocol as the underlying transmission network,and this protocol has been applied and studied in the avionics field,which is a hot topic of current research and application.The acquisition and forwarding of FC data is of great significance for real-time monitoring of aircraft flight status and data analysis.This paper designs a data acquisition and forwarding system based on FC-AE protocol.Specific work is as follows:1)This paper analyzes the related bus protocols,including the network overview and network structure of MIL-STD-1553 protocol,the characteristics of Fiber Channel protocol,layered model,topology structure and frame format,and the frame format of FC-AE-ASM protocol.2)Completed the design of FC data acquisition software and FC data forwarding software based on P2020 processor and Zynq-7000 series XC7Z045 chip.It gives the operating system analysis of the FC data acquisition software,the implementation scheme of the driver layer software and the application layer self-check software,and the implementation scheme of the data processing,data handling and data sending module of the FC data forwarding software.3)The development of FC data acquisition software and FC data forwarding software was completed by Workbench and Xilinx SDK software.Mainly completed the programming of the boot program of FC data acquisition software,each module of the driver layer and the application self-check software,and completed the function realization of the data processing,data handling and data sending modules of FC data forwarding software by using Lwip protocol stack and other technologies.4)Combined with the proposed technical scheme,this paper builds a ground simulation environment to conduct a full-function test of the system.The corresponding test results show that the designed FC data acquisition software and FC data transmission software have complete functions and meet the requirements of users.5)Through the summary of this paper,it is pointed out that in future work,the order of magnitude of system information processing will be improved to meet the requirements of higher speed processing.