基于FMQL架构的机载软件在线加载方法  

Online loading method for airborne software based on FMQL architecture

作　　者：王栋 WANG Dong(Southwest China Institute of Electronic Technology,Chengdu 610036,China)

机构地区：[1]中国西南电子技术研究所,四川成都610036

出　　处：《电子设计工程》2025年第9期38-42,共5页Electronic Design Engineering

摘　　要：针对综合化机载设备小型化和软件维护性差的问题,研究并提出了一种基于FMQL架构的机载软件在线加载方法。该方法基于无FLASH加载启动多片FPGA及DSP处理器,设计了一种虚拟串行总线接口,模拟片外FLASH的SPI接口时序加载启动多片DSP处理器,使用SelectMap并行接口加载启动多片FPGA处理器。项目应用结果表明,多片FPGA和多片DSP处理器加载启动功能正常,降低了硬件成本和软件维护成本,提高了在线升级效率。目前,该技术已在综合化机载系统多型设备中得到应用,具有较强的实用性。A method for online loading of airborne software based on FMQL architecture is studied and proposed to address the issues of miniaturization of integrated airborne equipment and poor software maintenance.This method is based on booting multiple FPGA and DSP processors without FLASH loading.A virtual serial bus interface is designed to simulate the SPI interface timing of off chip FLASH loading and booting multiple DSP processors.Multiple FPGA processors are loaded and booted using the SelectMap parallel interface.The project application results show that the loading and startup functions of multiple FPGA and DSP processors are normal,reducing hardware and software maintenance costs,and improving online upgrade efficiency.At present,this technology has been applied in various types of integrated airborne systems and has strong practicality.

关 键 词：FMQL架构 在线加载 FPGA加载 DSP加载 

分 类 号：TN919[电子电信—通信与信息系统]