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Developing Linux kernel space device driver
引用本文:Zheng Wei Wang Qinruo Wu Naiyou. Developing Linux kernel space device driver[J]. 微计算机信息, 2003, 0(12): 88-90
作者姓名:Zheng Wei  3"  >   3"   face="  Times New Roman"  >Wang Qinruo  3"  >   3"   face="  Times New Roman"  >Wu Naiyou  3"  >
作者单位:Zheng Wei(510090,Rockwell Automation Lab, Guangdong University ofTechnology, Guangzhou, China) Wang Qinruo(510090,Rockwell Automation Lab, Guangdong University ofTechnology, Guangzhou, China) Wu Naiyou(510090,Rockwell Automation Lab, Guangdong University ofTechnology, Guangzhou, China)
基金项目:广东省国际合作项目(编号:C50103)资助
摘    要:Linuxoperationsystemcanworkintwomodes.Oneisinuserspace,theotherisinkernelspace.Whenwewanttowriteadevicedriver,weshoulddecidewhatfunctionscanbeimplementedbyusingmoduleandwhatcanbedoneinuserspace.Asangeneralprinciple,allthatcanbeprogrammedinuserspaceshouldnotbefulfilledinkernelspace.Althoughsometimeswritingauserspacedevicedriverisawisealternativetokernelhacking,userspacedriverscan'tfinishtoomuchtasks.Incasethatwecan'tac-complishourdriverinuserspace,orwhenweemphasizetheim-portanceofrealtimeandst…

关 键 词:Linux  设备驱动  内核空间  PCI  USB
文章编号:1008-0570(2003)12-0085-03
修稿时间:2003-06-19

Developing Linuxkernel space device driver
Rockwell Automation Lab,Guangdong University of Technology,Guangzhou,China) Zheng,Wei Wang,Qinruo Wu,Naiyou. Developing Linuxkernel space device driver[J]. Control & Automation, 2003, 0(12): 88-90
Authors:Rockwell Automation Lab  Guangdong University of Technology  Guangzhou  China) Zheng  Wei Wang  Qinruo Wu  Naiyou
Abstract:This thesis introduces how to develop kernel level device driver on Linux platform in detail. On the basis of comparing proc file system with dev file system, we choose PCI device and USB device as instances to introduce the method of writing device driver for char devices by using these two file systems.
Keywords:Linux  device driver  kernel space  PCI  USB
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