In general, the chassis we can buy now provides front-end USB and front-end audio as well as switch-key functions. And the need for us to connect including switch machine button, hard drive indicator, audio interface and USB cable. It is easy to install the
With the further popularization of the handheld devices such as DC, DV, PDA and handheld game machine, the demand of card reader is increasing day by day. Many friends use USB card reader + memory card form, DIY USB flash drive. Not only convenient to read from the handheld devices, but also to achieve the use of U disk transmission file convenience. However, the
Speaking of the chassis, this time we do not recommend the dark rack-mounted server chassis. What we use at home still requires the beauty of some household appliances. This is a small PC chassis with a white piano paint surface, with the silver front panel border, it is very elegant, small, very delicate, and has the feeling of Home Appliances. Although the chassis is not big, the large motherboard that can be installed with ATX is very rich.
The dual DVD drive and three hard disks can be in
: device descriptor, configuration descriptor, string descriptor, interface descriptor, and Endpoint descriptor.(2) a USB device can be regarded as a device that provides multiple serial ports. According to the USB specification, each serial port is called an endpoint to communicate with this endpoint, we need to open the connection to this endpoint, which is the
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 interfa
Type-c interface
TYPE-C is a USB interface, a connection interface, both sides can be inserted, the size of about 8.3mmx2.5mm, as well as other interfaces to support the USB standard charging, data transmission, display output and other functions. TYPE-C was developed by
Analysis of usb hid device interface protocol using ollydbg
Author: tase tase@163.com
Keywords: ollydbg, USB, hid, bus hound,
Analysis tools: ollydbg, bus houndAnalysis object: a USB interface Flight Simulator
Objective: To analyze the software that uses the
is to say, after 63 ieee1394 devices are implemented by ieee1394, other ieee1394 networks can be connected by a bridge to achieve unlimited connections.
The intelligence of the two is different.The ieee1394 network can be automatically reset when its devices are added or removed. USB is used as the hub to determine the increase or decrease of the connected device. The applications of the two are different. USB
It is often said that a device usually has multiple configurations, and the configuration usually has multiple interfaces, and the interface usually has multiple endpoints. The interface represents a logical device, such as a sound card divided into recording and playback. When you access a device, you are accessing an interface (a logical device). In addition to
1, The advantages of USB:
The can be hot-swappable, which can be automatically recognized when plugged in, System bus powered, usb d+ line, a d- line, d+ and d- line is a differential input line; The can support multiple devices, and it is easy to extend through hub You can connect more than one device to another host Transmits data fast, up to 480mbit/s Convenient device inte
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