基于485总线的STM32远程固件更新与实现  

Update and Implementation for Remote Firmware of STM32 Based on 485 Bus

作　　者：陈峰 刘鹏飞[1] 徐明阳[1] 伍能[1] 邢宇鹏 谢征[1] CHEN Feng;LIU Pengfei;XU Mingyang;WU Neng;XING Yupeng;XIE Zheng(No.34 Research Institute of China Electronics Technology Group Corporation,Guilin 541004,China)

机构地区：[1]中国电子科技集团公司第三十四研究所,广西桂林541004

出　　处：《计算机测量与控制》2022年第11期147-152,共6页Computer Measurement &Control

摘　　要：随着STM32控制器的应用越来越广泛,对控制器的远程固件更新功能需求愈发强烈;利用在应用中编程(IAP)技术原理,以STM32F103控制器为例,设计了基于485总线的控制器固件在线更新的技术方案,编写了远程固件更新上位机控制软件,采用自定义串口传输通信协议提高固件数据传输过程中的有效性,实现了485总线上STM32控制器的远程固件更新功能;实践结果表明,该方案实现的远程固件更新,避免了拆装设备或设置跳线等步骤,节省了时间、人力成本,固件更新过程方便快捷、易于操控、可靠性高,可广泛应用于具备应用中编程的STM32控制器系统中。With the wide application of STM32 Controller,the requirement for remote firmware update of the controller is increasingly essential.By using the principle of in-application programming(IAP),STM32f103 is taken as an example,a online update technical scheme of controller firmware based on 485 bus is designed.A remote firmware upper computer control software is developed.The self-define serial communication protocol is adopted to improve the effectiveness of firmware data transmission.The update function of remote firmware controller of STM32 on 485 bus is realized.The practical results of the scheme realize the remote firmware update,avoids the assemble of devices or setting jumpers,and saves time and manpower cost.The firmware update process is convenient and quick,which is easy to operate and improve the reliability.The model can be widely used in STM32 controller of in-application programming system.

关 键 词：STM32 应用中编程 固件更新 485总线 

分 类 号：TN248[电子电信—物理电子学]