cwdm multiplexer

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How to Use libgdx to compile a simple game (I)-Prototype

()/2); image. addaction (actions. moveTo (target. x, target. y, 2f); // sets the return image of the dart ;} Make some changes in the main class so that they can get the screen touch. First, modify the class declaration Public class dartsshasha extends inputadapter implements applicationlistener In fact, both interfaces can be implemented, mainly because I think it is uncomfortable. Override the touchdown method Public Boolean touchdown (INT screenx, int screeny, int p

AHB Bus and APB Bus

The AHB is primarily used for connections between high-performance modules such as CPUs, DMA, and DSP, and acts as an on-chip system bus for the SOC, which includes the following features: Single clock edge operation, non-tri-state Implementation mode;Support burst transmission, support segmented transmission, support multiple host controllers, configurable 32-bit ~128-bit bus width, support byte, half-byte and word transmission. The AHB system consists of the main module, the module and the inf

Ultra-long-distance ultra-large capacity wavelength division transmission applications

Ultra-long-distance ultra-large capacity wavelength division transmission applications Wavelength division Multiplexing system 2u+1u device is Optical road Science and technology a small, low-cost, high-speed, large-capacity wavelength division multiplexing transmission system, the number of channels up to 40 waves, With a maximum speed of 10gbit/s and a total capacity of up to 400Gbit, the single wave channel can meet telecom operators ' Super Large capacity and Ultra long distance t

HTTP server-side-responsive programming for Java

changes, or release of compute resources. The solution given by the author is reactor mode.The reactor mode encapsulates the time-consuming IO resource as a handle object. The handle object is registered in the kernel of the operating system, and the handle object is processed when the object satisfies certain conditions (readable or writable). In reactor mode, the synchronous multiplexer is responsible for handling state changes to the han

The difference between the Bio,nio,aio

overwhelmed to deny the client's request, and even the servers may become paralyzed. NIO is based on reactor, and when the socket has a stream readable or writable socket, the operating system processes the corresponding notification reference program, and then reads the stream to the buffer or writes to the operating system. In other words, this time, is not a connection will be a processing thread, but a valid request, corresponding to a thread, when the connection has no data, there is no wo

Key technologies of dense wavelength division multiplexing optical Networks

cover 1528~1610nm range. It is composed of conventional EDFA and extended band Fiber amplifier EBFA (extendedbandfiberamplifer). Similar products have Belllab Uwoa (ultra-widebandopticalamplifier), which has 80nm of available bandwidth to magnify up to 100 channel wavelength channels in a single fiber. It covers the C-band (1530~1656NM) and L-band (1565~1620nm). The British Imperial College (Ukimperialcollege) developed a broadband Raman amplifier. Stimulated Raman Amplification (stimulatedram

FFmpeg Video Audio Codec 0 Basic Learning Method-B

-based package format processing: AV Splitter (demuxer)AV multiplexer (muxer): The simplest ffmpeg-based package format processing: AV multiplexer (muxer)9.FFmpeg Streaming Media applicationsThe use of ffmpeg for streaming media applications, mainly the transmission and reception of streaming media.Articles directly using the Ffmpeg.exe command line tool:ffmpeg command to send streaming media (udp,rtp,rtmp)

Five models of I/O

information from the hard diskFor example, through the read command , called an IO operation , an io is completed , an io is not completed , blocking keyboard io, disk io is complete ,This process is also unable to respond, because the keyboard IO is not finished , still blocking , the process is still asleep , this time what to do ?This requires I/O multiplexing.Execution processAfter the process in the call io , not directly call io function , in the system kernel , a new system call , The

Summary FFmpeg Video Audio Codec 0 Basic Learning method

stretching the size of the image.Example of use of Libswscale: The simplest example of FFmpeg-based Libswscale (YUV to RGB)In addition, this example comes with a program to generate a test picture: The simplest example attachment for FFmpeg-based libswscale: Test picture Generation toolProcessing of the 8.FFMPEG package format is done using FFmpeg for encapsulation format, mainly through Avformat. There are 3 examples of processing of encapsulation formats:Encapsulated Format Converter: The sim

"Turn" [summary]ffmpeg Audio codec 0 Basic Learning method

formatsThe processing of encapsulation formats using FFmpeg is done primarily through Avformat. There are 3 examples of processing of encapsulation formats:Encapsulated Format Converter: The simplest ffmpeg-based package Format converter (no codec)AV Splitter Simplified version (demuxer-simple): Simplest ffmpeg-based package format processing: AV splitter simplified version (demuxer-simple)AV Splitter (demuxer): The simplest ffmpeg-based package format processing: AV Splitter (demuxer)AV

Golang: Building an API server with Httprouter

This is a creation in Article, where the information may have evolved or changed. I began to become a Gopher 10 months ago, without turning back. Like many other gopher, I quickly discovered that simple language features are very useful for quickly building fast, scalable software. When I first started learning Go, I was playing with a different multiplexer (multiplexer) that could be used as an API server

One day Learning _go language http Server (source code Analysis)

Time. Duration//How long-to-sleep on accept failure If err: = Srv.setuphttp2_serve (); Err! = Nil {return err} srv.tracklistener (L, True) defer Srv.tracklistener (L, false) Basectx: = Conte Xt. Background ()//base is always Background, per Issue 16220 CTX: = context. Withvalue (Basectx, Servercontextkey, srv) CTX = context. Withvalue (CTX, Localaddrcontextkey, L.ADDR ())//Turn on loop for monitoring for {///through the Accept method of listener to obtain the connection data rw, e: = L . Accept

Random talk about the NIO of Java IO

The use of basic IO and the simplest example of blocking the server are described in the previous article, and this article introduces the relevant content of the following NIO, which you can refer to in the previous share: Basic knowledge and concepts of network IO General IO and Bio server Use of NiO with server Hello World Netty Getting Started with server Hello World Netty in Layman's NIO, also known as New-io or Non-blocking-io, is understood as non-block

Java NiO Learning Three: NiO's non-blocking network communication

;import Java.nio.bytebuffer;import Java.nio.channels.filechannel;import Java.nio.channels.serversocketchannel;import Java.nio.channels.socketchannel;import Java.nio.file.paths;import Java.nio.file.standardopenoption;import org.junit.test;/* * Three cores to complete network communication using NIO: * 1. Channel: Responsible for connection * * Java.nio.channels.Channel Interface: * |--selectablechannel * | -socketchannel * |--serversocketchannel * |--datagramchannel * * |--pipe. Sinkchannel * |--

A powerful tool for building highly available distributed systems--netty

the request model .This model lacks elastic scalability, the number of processing threads on the server and the number of concurrent accesses to the client are 1:1, and the number of threads is inflated resulting in a significant decrease in efficiency, even when the thread's stack overflows and the new thread cannot be created.Pseudo-Asynchronous IO communicationUse the thread pool to be responsible for connections.encapsulates a user's request into a task and then throws it into the thread po

Introduction to Linux Device files __linux

number as a seed to produce new random number. /dev/aio asynchronous I/O notification interface one =/dev/kmsg any write to the file will be the output of PRINTK 1 Block RAM Disk 0 =/dev/ram0 1th RAM dis K (Initrd can only use ram0) 1 =/dev/ram1 2nd RAM disk ... MB =/dev/ram200 No. 200 RAM Disk 4 char TTY (terminal) device 0 =/dev/tty0 Current Virtual Console 1 =/dev/tty1 1th Virtual Console ... /dev/tty63 = 63rd Virtual Console 4 blockIf the root file system is mounted as read-only, then

[Motion] Detailed features of MPU9250 __mpu9250

external third-party sensor is used only when the external sensor is connected (and has limited performance). The I2C interface used to send motion data is optional, because the SPI interface is reused, so only two is selected.MPU9250 I2C Interface:I2C interface for third-party sensors This interface is used to connect to the external Third-party sensor, that is, if you feel that the MPU9250 9-axis sensor is not enough, you can also external third-party sensors, such as pressure sensors.This ad

Broadband Wireless Access Solution

to install, Walkair systems can transmit carrier based carriers, providing class TDM (Time division Multiplexing) services and efficient IP connectivity.As a combination of this best solution, Alvari base allows operators to have unprecedented flexibility in selecting customer addresses and providing services. Alvari base enables operators to quickly and efficiently create broadband wireless access systems and provide solutions that have the benefits of Walkair and breeze access on a single inf

Java New IO

method, will read to the content write to the buffer to save. Cases:Bytebuffer buffer = bytebuffer.allocate (n); Buffer.clear (); // resets the position to 0, sets the limit to capacity, and makes the buffer writable FileChannel New FileInputStream ("filename"//read from file channel writes to buffer3. Non-blocking IOThe Java.nio.channels package contains channel-related classes, which represent an I/O channel to a hardware device, file, network socket, and so on, and the channel is a bidi

MB Star C3 DAS Fault (1.1) -1.501.9504 (Solved)

I have had a Mercedes diagnostic machineMB STAR C3For a while and I decided to try and make it work, but every time I try to communicate with the car I get a error MESSAG E saying:Fault (1.1) -1.501.9504Initialization of diagnosis Multiplexer failed. Possible causes:the link between the diagnosis multiplexer and the diagnostic socket is interrupted. The link between the diagnosis

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