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Cann't access the kernel driver

Sharp Zaurus PDA真的是很强。刷了个2.6.14+opie, 感觉很棒。但刷完后碰到了几个问题。 1)键盘map不对头。由于我买的sl-7500c,是大陆版的,所以键盘相对于日版的750有了不少变化,所以刷入的kernel键盘隐射很乱。 2)LCD刷新频率有问题,总是特别闪。目前还不知道哪里的问题,可能需要研究LCD驱动了。 3)电源管理不稳定。有时能reboot,有时suspend后,触摸屏失效。倒是有点像imx31那个板子。 下午把第一个问题解决了。看了一下...

by muddogxp - Linux文档专区 - 2006-06-18 21:16:50 阅读(966) 回复(0)

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Scull access device driver note Learner: 山涛 Date: 2007-7-5 参考代码:ldd3_example/scull/access.c 设备驱动说明: Scull access device driver与scull device driver的不同之处仅仅在于前者添加了一些访问限制(策略)。 1. Restricting access to a single process at a time: The brute-force way to provide access control is to permit a device to be opened by only one process at a time (si...

by jiuzhuaxiong - Linux文档专区 - 2008-04-10 23:49:39 阅读(655) 回复(0)

Scull access device driver note Learner: 山涛 Date: 2007-7-5 参考代码:ldd3_example/scull/access.c 设备驱动说明: Scull access device driver与scull device driver的不同之处仅仅在于前者添加了一些访问限制(策略)。 1. Restricting access to a single process at a time: The brute-force way to provide access control is to permit a device to be opened by only one process at a time (single...

by lanttor.guo - Linux文档专区 - 2007-07-05 17:28:25 阅读(507) 回复(0)

At least 1 year experience in kernel and driver development Familiar with Linux driver architecture Be able to complete Linux driver development task independently Familiar with kernel architecture and hacking procedure Familiar with kernel and driver development tools 此职位是外派motorola的 项目内容是开发moto的linux系统的手机 :em15::em15::em15::em15: [ 本帖最后由 独行西藏 于 2006-4-14 15:3...

by 独行西藏 - 猎头招聘 - 2005-12-21 22:42:25 阅读(1236) 回复(5)

At least 1 year experience in kernel and driver development Familiar with Linux driver architecture Be able to complete Linux driver development task independently Familiar with kernel architecture and hacking procedure Familiar with kernel and driver development tools 此职位是外派motorola的 项目内容是开发moto的linux系统的手机 :em15::em15::em15::em15::em15: [ 本帖最后由 独行西藏 于 2006-4-14...

by 独行西藏 - 猎头招聘 - 2005-12-20 15:37:20 阅读(870) 回复(0)

工业需要的,可职业话的。 基础知识现在都已经泛滥了,已经是职业要求的基本内容。

by smalloc - 内核源码 - 2014-10-17 12:30:31 阅读(1020) 回复(9)

岗位职责: 1. 负责Linux内核与驱动程序的开发维护工作; 2. 为新的硬件平台开发bootloader和firmware; 3. 为新的硬件设计、开发和测试设备驱动,并撰写文档; 4. 编写、调试和测试设备驱动、各种协议栈(例如:USB、SATA、network、Wi-Fi、Streaming); 5. 分析和解决在系统集成期间发现的问题; 6. 优化Linux内核和驱动。 岗位要求: 1. 计算机或相关专业本科以上学历; 2. 良好的C/C++语言技巧; 3. 熟悉Linux kernel...

by bj_archermind - 猎头招聘 - 2011-06-16 15:27:00 阅读(1535) 回复(6)

大家好!请教一个问题,请问kernel framebuffer driver在start_kernel()->do_initcalls()中加载后,显示linux logo的时候,在fb driver 加载的时候显示fb_do_show_logo(),但是并没有打开fb,这个是为什么呢?清屏是在哪里呢?是在哪里打开fb和初始化屏幕的呢?对这些问题一直很疑惑,谢谢大家!

by mich_mq - 内核源码 - 2011-04-08 11:07:23 阅读(2047) 回复(1)

[color="#02368d"]The Linux kernel Module Programming Guide笔记 The Linux kernel Module Programming Guide: http://kernel.lupaworld.com/newbie/lkmpg/ 1、通过lsmod来获得内核已加载了那些模块,这个命令是读取/proc/modules文件的内容来获得信息的。 2、内核模块管理守护进程kmod执行modprobe去加载内核模块。modprobe的功能和insmod类似,但是它除了装入指定模块外,还同时装入指定模块所依赖的其他模块。 3、如果...

by kjpioo - Linux文档专区 - 2008-05-15 21:37:35 阅读(582) 回复(0)

I'm so tired for nearly two weeks. I didn't have a good sleep. The work is one side, Every day, you had to read a great deal of code and look for useful information from a mass of datasheet, and eternally recetify code and compile code. How boring ! Besides, there is other things making me crazy and nervous, which I don't want to mention it any more. Fortunately, the driver has been p...

by edwinrong - Linux文档专区 - 2008-03-24 19:25:55 阅读(858) 回复(0)