基于CAN通信实现MBD代码下载的DSP Bootloader开发  

Development of DSP bootloader for MBD code download based on CAN communication

作　　者：郭毅锋[1,2] 郭世成 黄丽敏 张栗[3] GUO Yifeng;GUO Shicheng;HUANG Limin;ZHANG Li(School of Automation,Guangxi University of Science&Technology,Liuzhou 545026,CHN;College of Mechanical Engineering,Chengdu University,Chengdu 610106,CHN;Sichuan Provincial Technology Transfer Center,Chengdu 610095,CHN)

机构地区：[1]广西科技大学自动化学院,广西柳州545026 [2]成都大学机械工程学院,四川成都610106 [3]四川省技术转移中心,四川成都610095

出　　处：《制造技术与机床》2024年第3期57-63,68,共8页Manufacturing Technology & Machine Tool

基　　金：四川省区域创新合作项目(2023YFQ0092);成都市技术创新研发项目(2022-YF05-01393-SN);四川省自然科学基金项目(2023NSFSC0368);四川省大学生创新训练计划项目(S202211079055)。

摘　　要：为了实现DSP嵌入式系统在实际应用中便捷下载MBD(model-based design)代码的需求,文章设计了一种基于CAN通信实现MBD代码下载的Bootloader方案。以TMS320F28335为例,通过对MBD代码的结构进行分析,设计了Boot程序与MBD程序的内存划分方案,确保程序下载的有效性和稳定性;开发了相应的Boot程序和上位机程序,详细介绍了Bootloader的实现流程,并对关键步骤函数进行了分析与解释,利用CAN通信实现了程序的下载。实验结果表明,该方法稳定可靠且具有实用性,为DSP嵌入式系统在实际应用中的MBD代码下载提供了一种可行且高效的解决方案。In order to meet the demand for convenient downloading of MBD(Model-Based Design)code in practical applications of DSP embedded systems,this study designs a Bootloader solution based on CAN communication for MBD code download.Taking TMS320F28335 as an example,by analyzing the structure of MBD code,a memory partition scheme between Boot program and MBD program is designed to ensure the effectiveness and stability of program download.The corresponding Boot program and host computer program are developed,and the implementation process of Bootloader is introduced in detail.The functions of Committed step are analyzed and explained,and the program download is realized using CAN communication.The experimental results indicate that this method is stable,reliable,and practical,providing a feasible and efficient solution for downloading MBD code in practical applications in DSP embedded systems.

关 键 词：TMS320F28335 CAN通信 MBD代码下载 BOOTLOADER 

分 类 号：TP311[自动化与计算机技术—计算机软件与理论]