基于CAN FD的在线编程系统设计  

Design of Online Programming System Based on CAN FD

作　　者：杨朝阳[1] 阮海庭 罗永革[1] 刘珂路[1] Yang Zhaoyang;Ruan Haiting;Luo Yongge;Liu Kelu(Key Laboratory of Automotive Power Train and Electronic,Hubei University of Automotive Technology,Shiyan 442002,China)

机构地区：[1]湖北汽车工业学院汽车动力传动与电子控制湖北省重点实验室,十堰442002

出　　处：《单片机与嵌入式系统应用》2019年第5期21-24,28,共5页Microcontrollers & Embedded Systems

基　　金：湖北省重大科技创新-中重型特重车姿态调整系统研发及应用(2016AAA061);汽车动力传动与电子控制湖北省重点实验室创新基金(2015XTZX0417);湖北汽车工业学院硕士研究生创新基金(Y2017319)

摘　　要：设计并实现了Flash在线编程系统,包括以NXP MPC5748G为微控制器的下位机、上位机PC和连接两者的支持CAN FD的USB/CAN转换器。开发了用于MPC5748G的Bootloader软件和上位PC机在线编程软件,两者通过CAN FD基于UDS协议通信。该系统可用于用户应用程序的在线更新和参数标定。测试结果表明,该系统不仅可以有效地实现更新和标定功能,而且显著提高了功能实现的效率。In the paper,a set of Flash online programming system which consists of a lower computer using NXP MPC5748G as its microcontroller is proposed,a PC as the upper computer,and an USB to CAN converter which supporting CAN FD to connect them.The Bootloader for MPC5748G and online programming software for PC are developed,and both programs are based on the protocol of UDS via CAN FD.The system is applied to update user application and parameter calibration online.The test results show that the system can not only implement the functions effectively,but also improve the efficiency of application updating and parameter calibration significantly.

关 键 词：CANFD BOOTLOADER 在线编程 UDS 

分 类 号：TP311.52[自动化与计算机技术—计算机软件与理论]