VxWorks串口驱动在ARM微处理器上的实现  

Realization of VxWorks serial driver for ARM

作　　者：赵勋峰[1] 吴旭光[1] 童艳[2] 王艳[1] 

机构地区：[1]西北工业大学航海学院 [2]91550部队指控中心

出　　处：《电子测量技术》2007年第6期58-61,共4页Electronic Measurement Technology

摘　　要：VxWorks是由美国Wind River设计开发的一种实时多任务操作系统,目前广泛应用于嵌入式领域。作为VxWorks系统工程师经常需要解决串口驱动问题。对于BSP和上层应用程序的开发,串口驱动程序是必不可少的基本步骤。本文以基于ARM7TDMI内核的S3C44B0X芯片的串口驱动为例,分析了Vx Works串口驱动的层次和机理,研究了tty驱动和底层SCC驱动的工作原理。通过对S3C44B0X芯片的串口驱动程序的实际编写与参数定制,给出了ARM体系结构微处理器的串口驱动程序设计基本方法、步骤以及注意事项。VxWorks as a real-time multitask operating system designed by Wind River Inc is used in embedded fields widely. For a VxWorks system engineer, serial driver may be needed to be solved frequently. As a basic step, serial driver is absolutely necessarily in the development of BSP and application programs. This paper focuses on the serial driver in S3CA4BOX, whose architecture and powerful instruction set with ARMTTDMI CPU core, and discusses the hierarchy and corresponding mechanism about serial driver. In addition, it stresses on the operational principle about the tty driver and the SCC driver. The design method,approach and notes of ARM＇s serial driver are explained with writing and parameter setting S3CA4BOX＇s driver.

关 键 词：VXWORKS 串口驱动 tty设备 

分 类 号：TP311.1[自动化与计算机技术—计算机软件与理论]