基于串口的TMS320F2812软件升级方法研究与实现  

Research and Implementation of TMS320F2812 Software Upgrade Method Based on Serial Port

作　　者：许廷金 朱虹[1] 袁鑫全 杨爱武[1] XU Tingjin;ZHU Hong;YUAN Xinquan;YANG Aiwu(North China Research Institute of Electro-Optics,Beijing 100015,China)

机构地区：[1]华北光电技术研究所,北京100015

出　　处：《计算机测量与控制》2024年第8期188-193,200,共7页Computer Measurement &Control

摘　　要：针对传统DSP应用程序烧写的缺陷,通过对DSP应用程序烧写原理的分析,设计了一种利用串口对应用程序进行升级的方法;首先阐述了在线升级方案的必要性、所依赖的硬件系统组成和在线升级方案的总体构架,然后分别对应用程序HEX数据文件的转换方法、HEX文件重新编码的Labview上位机软件设计方法和DSP嵌入式升级软件设计方法等进行了详细的描述,最后通过开环实验、FLASH数据对比实验及DSP控制系统功能验证实验,证明了基于串口的TMS320F2812软件升级方法的正确性和可行性,解决了DSP控制软件必须通过下载器进行烧写的缺点,提高了系统嵌入式软件升级的灵活性、可靠性,延长了产品寿命,该方法简单、实用,移植性强,为激光器控制系统及其它领域软件进行系统远程、无线升级奠定了基础。Aiming at the shortcomings of traditional DSP application programming,through the analysis of the application programming principle,a method for upgrading application programs using serial ports is designed.Firstly,this paper expounds the necessity of online upgrading scheme,the composition of the hardware system,and the overall architecture of online upgrading scheme.Then,it describes the conversion method for application HEX data file,designs the method for LabVIEW host computer software with re-encoding HEX files and embedded DSP upgrading software,respectively.Finally,the correctness and feasibility of the TMS320F2812 software upgrading method based on serial port are verified through the open-loop experiments,FLASH data comparison experiments,and DSP control system functional verification experiments,the method solves the disadvantage that DSP control software must be burned and written through a downloader,improves the flexibility and reliability of the embedded software upgrading,and prolongs the life of the product.It has the advantages of simple,practical and strong portability,which lays a foundation for the remote and wireless upgrading of laser control systems and other software in other fields.

关 键 词：LABVIEW TMS320F2812 在线升级 API DSP 

分 类 号：TP311.52[自动化与计算机技术—计算机软件与理论]