| 基于AR和uCLinux的CAN接口电路的设计 |
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| 引用本文： | 韦宝泉. 基于AR和uCLinux的CAN接口电路的设计[J]. 郑州大学学报(工学版), 2006, 27(3): 89-92 |
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| 作者姓名： | 韦宝泉 |
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| 作者单位： | 华东交通大学交通信息工程及控制研究所,江西,南昌,330013 |
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| 基金项目： | 江西省教育厅科研项目(赣教技字[2005]123号) |
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| 摘 要： | 介绍了一种新型IED上的ARM与CAN接口电路的设计方法.在开发一种基于ARM微处理器和uClinux操作系统的新型IED时,考虑到变电站自动化系统的现场级通信要求具有较高的可靠性和实时性,选择了CAN现场总线.由于CAN收发器SJA1000是地址和数据分时复用芯片,而ARM的地址线和数据线是分开的,所以采用了软件模拟读写时序的方法,利用ARM的I/O引脚产生SJA1000的读写信号,设计了ARM与CAN的硬件接口电路,编写了CAN在uClinux下的驱动程序,并调试通过.该接口的设计为新型智能化IED的通信打好了软硬件基础,能更好的适应变电站自动化系统的需求.
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| 关 键 词： | CAN ARM uCLinux |
| 文章编号： | 1671-6833(2006)03-0089-04 |
| 修稿时间： | 2006-01-12 |
A CAN Interface Design Based on ARM and uCLinux |
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| WEI Bao-quan. A CAN Interface Design Based on ARM and uCLinux[J]. Journal of Zhengzhou University: Eng Sci, 2006, 27(3): 89-92 |
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| Authors: | WEI Bao-quan |
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| Abstract: | In this paper,the interface circuit of ARM and CAN is introduced in developing a new IED.Considering that the local communication of SAS requires high reliability and real-time performance,CAN bus is adopted in developing a new IED based on ARM and uCLinux.The data bus and address bus of SJA1000 are time-sharing,while those of ARM are parted.So a new method which generates temporal logic by software is adopted.The read-write signal is generated by I/O of ARM.Besides the interface circuit of ARM and CAN,the driver of CANbus in uCLinux is also designed and debugged successfully.This interface paves way for the new IED's communication in software and hardware.Then the IED will be more applicable to substation automation systems. |
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| Keywords: | CAN ARM uCLinux |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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