【摘要】 介绍了一种基于嵌入式实时多任务μC/OSII操作系统的CAN总线与以太网互联网关设计,硬件上充分利用32位LPC2294微处理器的内嵌4路CAN总线的特性,采用TJA1050T为CAN接口,RTL8019AS为以太网控制器;软件上首先基于LPC2294对μC/OSII操作系统进行移植,编写网关的硬件驱动,并根据多任务的轻重缓急设定任务的优先级。有效地实现了以太网与现场总线两种不同网络基于RTOS进行的实时交互。更多还原

【Abstract】 This article introduces a designation of CAN/Internet gateway based on embedded real-time μC/OSII,which utilizes the 32bits microprocessor LPC2294 with 4 CAN-bus on the hardware,TJA1050T is CAN interface,RTL8019AS is the ethernet controller.Transplating em- bedded μC/OSII operating system to LPC2294 on the software,the authors writer programs for the hardware drivers,and set task priority according to multitask priority.The gateway has real- ized real-time communication between CAN and Internet based on RTOS effectively.更多还原