usb forensics

The reason why I first wanted to learn about USB was that I wanted to have a universal programmer very much at the time. Although the commercial programmer had good functions, it was expensive, it seems a pity to buy one just for programming several chips (I have already bought the programmer :)). So I want to make a simple one by myself, using serial ports? Parallel? I don't like the idea of adding a big, stupid external power source. It's good to us

USB urb (USB request block) Kernel 2.6.29.4The USB device driver code communicates with all USB devices through urb. Urb uses the struct urb structure description (include/Linux/USB. h ). Urb sends or receives data asynchronously from a specific endpoint of the same

Install XP, Win7 system with USB stick: Very detailed graphics and video tutorials, including detailed BIOS setup method. The principle and process of installing GHOSTXP system with U disk: Restore the downloaded GHOSTXP system to your computer. Note: 1. The downloaded GHOSTXP system is made by the producer on its computer and is specially processed, this backup can be compatible with most hardware different computers, to ensure its compatibility,

System installation methods have a variety of, one key Ghost USB version is one of the system installation method, also known as the U Disk System installation. Below the beans to detailed introduction under the use of a key ghost USB version of the system installation method.First, Installation:The so-called "USB drive", the software refers to all

It indicates that any short read that may occur on an in endpoint should be treated as an error by the USB core. this value is only useful for reading urb from a USB device, not for writing URBS. Urb_iso_asapIf this urb is synchronized, this bit can be set. If the driver wants this urb to be scheduled, as long as the bandwidth permits it, and set the start_frame variable in this urb. if the synchronized urb

Since Apple recently used a single data interface USB Type C on a new MacBook, the discussion about USB interfaces has become lively. In Apple's new MacBook, the entire fuselage has only one data interface (except the power connector) USB Type C, which makes people wonder if a single interface can meet high speed and stable audio and video data transmission. To a

Universal Serial Bus (USB) is designed as a standard for connecting computer peripherals, such as keyboards, mice, printers, digital cameras, portable media players, disks and network adapters-Source: Wikipedia It has become an industrial standard, and it is hard to see a computer without USB ports. The use of USB flash memory makes it more popular. In Linux, ls

Kernel 2.6.29.4 USB devices are actually complicated, but the Linux Kernel provides a subsystem called USB core to handle most of the complicated work. Therefore, the interface between the driver and USB core is described here.In the USB device organization structure, there are four layers: device, config, interface, a

The USB flash drive failed to format due to various reasons, such as "Windows cannot finish formatting". But this does not mean that the U disk will be discarded, try the following methods (but for the people who do not play the computer is a bit difficult ha): Method One: 1. Point start-run-input Cmd-format f:/fs:fat32 (here F: refers to the drive letter of the USB stick) 2. Open Control Panel-Administr

The most common problem with USB device is the source of its power--the power supply is easy to solve. In order to effectively resolve the failure of the USB interface, this article specifically summed up some of the countermeasures, I hope to bring you useful! 　 how to identify the lack of USB power Generally speaking, when the

Linux kernel2.6 in the above version, the USB device-driven interface changed to Gadget, in the Kernel/driver/usb/gadget directory mainly includes platform USB UDC drive and gadget interface driver. Kernel/driver/usb/gadget SERIAL.C is a commonly used driver file that can be configured for bulk transmission drive or CD

Introduction to USB??USB? is English universal? Serial? Bus (universal serial bus) abbreviation, is an external bus standard, used to regulate the connection and communication between the computer and external devices, is applied in the field of PC interface technology. USB interface supports plug-and-use and hot-swap functions for devices.?? The topolog

Important USB keywords: 1. endpoint: a data buffer zone located on a USB device or host. It is used to store and send various USB data. Each endpoint has a unique fixed address, has different transmission features (such as input, output, configuration, and batch transmission) 2. frame: the concept of time. In USB, a fr

To: http://hi.baidu.com/yangchengbo82/blog/item/bd062316d3df5a4e21a4e99b.htmlUSB devices are very popular nowadays, and they are always around us. For example, USB flash drives, MP3, and mobile phones all need to communicate with pc usb. With the USB interface, it is very convenient to use our life. When you want to listen to songs, you can insert mp3 to the PC a

At present, the use of USB flash drives has become very common. People often use USB flash drives to back up, carry, and transfer files. However, if you forget to detach the USB flash drive from the USB port *, or do not detach the USB flash drive * completely, or due to a m

USB devices are becoming more common, and almost all devices have a tendency to USB, such as printers, cameras, MP3, MP4, readers, but many times, we use USB devices that are not so smooth. Often the "Unrecognized USB device" prompt, then why this prompt, how to solve it? USB