柴油机电控单元Bootloader的开发与实现  

Development of the Bootloader Function of Electronic Control System

作　　者：张爱云[1] 朱晓明[1] 杨琛[1] 

机构地区：[1]中国一汽无锡油泵油嘴研究所,江苏无锡214063

出　　处：《现代车用动力》2010年第4期17-19,共3页Modern Vehicle Power

摘　　要：在Freescale hc12xdp512平台的四缸机电控单元上开发了基于CAN总线的编程工具Bootloader,具有下载和升级ECU应用程序代码和数据的功能,也可以实现标定数据的再编程,通过对Bootloader工作时CAN总线的监测,对Bootloader下载/编程性能和可靠性进行分析,结果表明能够满足开发和生产的需要。The programming function of the Bootloader are developed on an electronic control unit of freescale hc12xdp512 platform with CAN bus protocol.Bootloader has the abilities of downloading and updating the application program of ECU and can realize repro-gram of the calibration data.The downloading/programming performance and reliability of Bootloader are analyzed by monitoring CAN bus status during Bootloader working.The result prove that Bootloader can meet requirements during development and manufacturing process.

关 键 词：柴油机 电控单元 BOOTLOADER CAN总线 

分 类 号：TK421.5[动力工程及工程热物理—动力机械及工程]