headend equipment

Disclaimer: This series of articles only provides communication and learning use. All the SDKs that relate to the Conway Vision equipment can be downloaded from the official website of Conway. In the article all except the official SDK unexpected code is free to use, any related to the company's interests in the non-normal use of the user's own responsibility, and I have nothing to do. Off topic:Why don't you start off with a digression? Mainly f

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multiple endpoint descriptors .USB devices use a variety of descriptors to describe their device architecture, including device descriptors, configuration descriptors, interface descriptors, endpoint descriptors, and string descriptors, which are usually stored in the firmware program of the USB device .1. Device DescriptorThe device represents a USB device, which consists of one or more configurations. Device descriptors are used to describe the overall information of the device and indicate t

; //Manufacturer number _ _le16 idproduct; //Product number _ _le16 Bcddevice; //Equipment Factory number _ _u8 Imanufacturer; //Describe the index of the vendor string _ _u8 iproduct; //Describe the index of the product string _ _u8 Iserialnumber; //Index describing the device serial number string _ _u8 bnumconfigurations; //number of possible configurations } _ _attribute_ _ ((packed)); 2. Configuration DescriptorA USB device can cont

Now more and more large-screen computer equipment, 1920x1080 pixels and higher resolution of the screen makes the picture more delicate and beautiful, but the higher resolution of the large size screen will sometimes have some trouble, although the unit area can show more pixels, but each pixel area shrinks, The display content may appear too small. Especially for Win8 large screen One machine, many people often use wireless mouse remote control, the

1.OV PWDN is a high level of effective, that is, high electricity peacetime camera sleep, at this time I2C also do not work (with i2cdetect detection), in low electricity peacetime camera work; 2.i2cdetect is a very good tool, you use this work, do not care about the device's register address and data bit width, as long as the device to ensure the operating voltage and its mount to which a I2C controller, you can find the device, which can greatly improve the efficiency of the initial work. 3. T

Before the small wrote an article, mainly explained that when the computer can not make a sound, we want to solve the problem step-by-step, one of the most important step is to check the audio device is faulty. But lately, a friend to small, said is a step-by-step operation, incredibly mysterious found a problem, in the Win7 64-bit flagship download ISO Device Manager Incredibly can't find audio equipment, so the problem arises, how do we deal with it

Software Name: Happy backup system Heavy Equipment assistantSoftware version: v1.0 betaRelease Type: FreeDevelopment platform: Simplified Chinese windows XPRunning platform: Simplified Chinese windows XPResolution: 1024x768 (Recommended)Color: 65536 color or above The software is to automatically back up or restore the commonly used, easily forgotten data of the system when it is necessary to reinstall the Windows XP operating system. Includes Outl

arbitration and arbitration equipment Because cluster nodes share data and resources, it is important not to split the cluster into multiple independent partitions that are active at the same time. The CMM guarantees that a maximum of one cluster at any time is valid, even if the cluster interconnect has been partitioned. Cluster partitioning can cause two types of problems: cluster fragmentation and memory loss. When the cluster interconnect between

Objective: On an article "Hai Kang Wei video monitoring Equipment Web View System (i): Summary of the general introduction of the sea and Kang video transfer scheme of ideas, this article will be step-by-step implementation of the scheme in the video relay server. The article will involve some. NET socket processing and the underlying multithreaded operation. I am using the SDK version is sdk_win32_v4.2.8.1. Everyone according to their actual situati

"51cto.com exclusive feature" in the core areas of the network and data center, hot standby deployment of networks and servers has been a very common deployment model. Here are three examples of the network, network equipment commonly used in the hot standby deployment mode. So that everyone in the future work, according to their own network situation, choose the right network equipment hot standby deployme

Shenzhen Android Industrial Equipment Co., Ltd. was founded in 2013, the company provides professional industry customized product solutions (based on the Android platform depth customization solutions and IoT Industrial control solutions). The company has independently developed the KK series of Android Industrial motherboards and KC series of IoT control modules and other products.Hardware solutions for deep customization of the Android platformAndr

Device registration for removal of equipmentequipment registration and removal of equipment is generallyRegister_netdev andUnregister_netdev completed. These two are wrapped functions that are responsible for locking, and what really works is its invocation of theRegister_netdevice and Unregister_netdevice. See also:Net/core/dev.c.describes some of the state changes in the device registration processThe state change will use the state registering betw

computer equipment in the PCI simple Communication Controller driver display yellow exclamation point icon what to do? recently, a user after reloading the computer system, found that there is a problem with the device driver, can not be used normally. After viewing Device Manager, there is a PCI simple communication controller driver that displays a yellow exclamation point icon, which indicates that the driver was not installed successfully or was i

Device Open 1. Enter the new version of QQ after clicking "Set"---"Landing equipment protection" 2. Open protection after you can protect your QQ account security, in the unauthenticated mobile phone or computer landing QQ, need a mobile phone message verification or sweep a sweep before normal landing. Click on "Turn on protection" 3. At this time the mobile phone will receive a text message, the Verification code box will automatically crawl

flexibility of system work, and the reliability of the network. The advancement of technology also makes the expansion and maintenance of the system very simple.2. Reliability-redundancy backup and power Redundancy backup of network backbone lines and network core equipment ensure the reliability of information networks.3. Openness and scalability-selection of main network devices, modules, number of slots, overall structure of management software an

. To avoid the information service interruption caused by the broken or falling off of the cable tray. 3) Check the tags on the twisted pair wires, panels, distribution frames, and jumpers in the data room. Complete the labels that fall off, fix the labels that do not stick well, and replace the damaged labels. 4) The use of performance tester for copper trunk channels and unused optical fiber channels because of the delicate fiber channel, it is easy to be affected by wear and dust. Therefore,

As the core of routing equipment, Routing Switching equipment becomes more and more important in enterprises, especially in networking applications. Here we have analyzed the common problems of Routing Switching devices in applications. As the core equipment of the enterprise network, Routing Switching devices play an important role, but do you have any shortage

In dental clinics, we see a lot of instruments used by dentists for diagnosing mild as well as severe dental problems. After being used for dental therapeutics and surgeries, these instruments get stained with blood, tissues and germs. That's why they require a proper cleaning procedure so, they can be disinfected and made free from the presence of GE RMS and blood stains. When it comes to selecting a specific instruments that can ensure 100% cleaning of instruments, ultrasonic cleaning EQUIPM E

Duff equipment is a very ingenious, seemingly very strange C code, it can greatly improve the efficiency of the execution of the program (this article will be tested), the source of Duff equipment I will not say, let us analyze.The duff device takes into account that we typically use a for or while loop, and if the loop content itself does not take much time, then the time will be consumed primarily on the