一种嵌入式Linux串口驱动开发模式
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摘要
现在大多数的嵌入式设备中针对串口实时数据的处理都是在应用程序中来完成的,这必然会降低数据的实时性能,数据的实时重复利用率也不高。通过改写嵌入式Linux串口驱动程序,在内核中加入实时数据处理模块,改善了这些问题。实验结果表明,所作的改进有助于数据实时性能和重复利用率的提高以及应用程序开发难度的降低。
Now most of the processing that are directed against serial port real-time data all are accomplished in application program,this certainly will reduce the real-time performance of data,and recycle rate is not high yet.By way of rewriting Linux serial port driver,joining read-time data processing module in the kernel,these problems have been improved.Experiment indicates finally that the improvement of having done contributes to the raise of data real-time performance and recycle rate and the reduction of the ap-plication development degree of difficulty.
Now most of the processing that are directed against serial port real-time data all are accomplished in application program,this certainly will reduce the real-time performance of data,and recycle rate is not high yet.By way of rewriting Linux serial port driver,joining read-time data processing module in the kernel,these problems have been improved.Experiment indicates finally that the improvement of having done contributes to the raise of data real-time performance and recycle rate and the reduction of the ap-plication development degree of difficulty.
引文
[1]李小群,赵慧斌,叶以民,孙玉芳.RFRTOS:基于Linux的实时操作系统.软件学报,2003.14(7):1203-1212.
[2]Alessandro Rubini,Jonathan Corbet.Linux Device Drivers,2nd Edition.O’Reilly Media,Inc.June2001.
[3]李善平,陈文智等.边干边学—Linux内核指导.浙江大学出版社.2002/8.
[4]王多智.嵌入式Linux下SRAM驱动程序的开发原理及应用[J]微计算机信息.2005.573-79.
[5]中国地震局地震预测研究所港震机电技术有限公司.http://www.geodevice.cn
[2]Alessandro Rubini,Jonathan Corbet.Linux Device Drivers,2nd Edition.O’Reilly Media,Inc.June2001.
[3]李善平,陈文智等.边干边学—Linux内核指导.浙江大学出版社.2002/8.
[4]王多智.嵌入式Linux下SRAM驱动程序的开发原理及应用[J]微计算机信息.2005.573-79.
[5]中国地震局地震预测研究所港震机电技术有限公司.http://www.geodevice.cn
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