The environment settings are as follows: 1. ubuntu 14.04 , linux kernel: linux-lts-xenial-4.4.0 2. module :  Quectel EC20-CE-TE-A 在linux中增加usb驱动的时候,需要修改linux代码,但是ubuntu的源码是不完全的,所以需要去官网下载源码,修改完了之后编译成模块的形式,更新. 下载源码命令如下: sudo apt-get source linux-image-…

Writing a Simple USB Driver   From Issue #120April 2004 Apr 01, 2004  By Greg Kroah-Hartman  in Software Give your Linux box a multicolored light you can see from across the room, and learn how to write a simple driver for the next piece of hardware…

Power OFF and ON USB device in linux (ubuntu) http://loginroot.com/power-off-and-on-usb-device-in-linux-ubuntu/ There are two methods of doing this. So first method is for kernels after 2.6.32, and second for older ones. To view kernel version, simpl…

小米2S不显示CD驱动器(H),便携设备,MTP,驱动USB Driver,MI2感叹号的解决方法 by:授客 QQ:1033553122 用户环境 操作系统:Win7 手机设备:小米2S   问题描述 糊里糊涂的出问题了.打开[计算机],看不到图示的便携设备MI 2,也看不到CD驱动器(I:) XIAOMI 右键[计算机]-[管理]-[设备管理器],看到类似如下图的场景,看到USB Device,MI 2等驱动都显示黄色小感叹号 注意:我忘记截图了,下图来自网络. 查看Android Phon…

Delphi有时候无法连接调试一些手机,解决方案: 1.安装Google USB Driver 2.通过设备管理器查看手机或平板USB的VID,PID 3.修改你的电脑上的android_winusb.inf,将第2步找到的VID,PID加到inf中. 例如: ;Samsung Galaxy S3 %SingleAdbInterface% = USB_Install, USB\VID_04E8&PID_6860 %CompositeAdbInterface% = USB_Install, USB…

CVE-2016-2502-drivers/usb/gadget/f_serial.c in the Qualcomm USB driver in Android.Buffer Overflow Vulnerability reported by #plzdonthackme, Soctt. struct ioctl_smd_write_arg_type { char *buf; unsigned int size; }; #define GSERIAL_BUF_LEN 256 char smd…

http://www.george-smart.co.uk/wiki/Xilinx_JTAG_Linux…

在开头补上LDD3的一句话:如果 USB 驱动没有和另一种处理用户和设备交互的子系统(例如 input, tty, video, 等待)关联, 驱动可使用 USB 主编号为了使用传统的和用户空间之间的字符驱动接口. 为此, USB 驱动必须在探测函数中调用 usb_register_dev 函数, 当它想注册一个设备到 USB 核心. 确认设备和驱动处于正确的状态, 来处理一个想在调用这个函数时尽快存取这个设备的用户.   转载于此:http://www.redflag-linux.com/pr…

问题是这样产生的,我在linux下安装jlink,启动JLinkExe执行,总是提示不能通过usb连接: SEGGER J-Link Commander V5.10q (Compiled Mar ::) DLL version V5.10q, compiled Mar :: Connecting to J-Link via USB...FAILED: Can not connect to J-Link via USB. 折腾好久,上segger的论坛,有人遇到和我一样的问题,也是在ubuntu下…

I have always been using OpenCV's VideoCapture API to capture images from webcam or USB cameras. OpenCV supports V4L2 and I wanted to use something other than OpenCV's VideoCapture API so I started digging up about v4l2 and got few links using and fe…