Based on the in-depth research of the embedded device management system,analyze the process of the driver parameters delivery on kernel level particularly.According to this,expound the device driver 's working pri...Based on the in-depth research of the embedded device management system,analyze the process of the driver parameters delivery on kernel level particularly.According to this,expound the device driver 's working principle,structure and design methods especially.Finally realize the drivers of the character-based devices which can be dynamically loaded.Actual result shows that mastering the realization of the device driver mechanism and the process of parameters delivery with kernel can improve the embedded device driver development efficiency and reduce error probability effectively,thus saving the development cost and development cycle of embedded products.展开更多
首先介绍了嵌入式PowerPC处理器MPC8248的主要特征和嵌入式Linux系统。借助于Embedded Planet公司提供的一套BSP(board support package)开发套件着重阐述了如何开发嵌入式Linux系统,主要包括主机/目标系统配置、交叉编译和调试环境的...首先介绍了嵌入式PowerPC处理器MPC8248的主要特征和嵌入式Linux系统。借助于Embedded Planet公司提供的一套BSP(board support package)开发套件着重阐述了如何开发嵌入式Linux系统,主要包括主机/目标系统配置、交叉编译和调试环境的建立、PPCBoot的修改、Linux内核的裁减与移植以及文件系统的制作,并且实现了实时Linux扩展——RTAI。Linux系统对于PowerPC处理器具有良好的支持性能。基于MPC8248的嵌入式Linux系统提供了一个小体积、低功耗、接口丰富的开发平台,为变电站通信网络和系统的开发打下了一个坚实的基础。展开更多
文摘Based on the in-depth research of the embedded device management system,analyze the process of the driver parameters delivery on kernel level particularly.According to this,expound the device driver 's working principle,structure and design methods especially.Finally realize the drivers of the character-based devices which can be dynamically loaded.Actual result shows that mastering the realization of the device driver mechanism and the process of parameters delivery with kernel can improve the embedded device driver development efficiency and reduce error probability effectively,thus saving the development cost and development cycle of embedded products.
文摘首先介绍了嵌入式PowerPC处理器MPC8248的主要特征和嵌入式Linux系统。借助于Embedded Planet公司提供的一套BSP(board support package)开发套件着重阐述了如何开发嵌入式Linux系统,主要包括主机/目标系统配置、交叉编译和调试环境的建立、PPCBoot的修改、Linux内核的裁减与移植以及文件系统的制作,并且实现了实时Linux扩展——RTAI。Linux系统对于PowerPC处理器具有良好的支持性能。基于MPC8248的嵌入式Linux系统提供了一个小体积、低功耗、接口丰富的开发平台,为变电站通信网络和系统的开发打下了一个坚实的基础。
