Tag:Clock

  • Beidou clock system (network timing server) is applied to power automatic control system

    Time:2022-8-3

    Beidou clock system (network timing server) is applied to power automatic control system Beidou clock system (network timing server) is applied to power automatic control system Jingzhun electronic technology official wechat – ahjzsz 1.summary The SCADA function of power grid dispatching integrated automation system provides dispatchers and centralized controllers with real-time data and information of […]

  • Rapid deployment of CEPH distributed high availability cluster

    Time:2022-8-3

    Rapid deployment of CEPH distributed high availability cluster CEPH introduction CEPH is a Pb, EB level distributed storage system, which can provide file storage, object storage, and block storage. It is highly reliable, easy to expand, and easy to manage. Among them, object storage and block storage can be integrated with other cloud platforms. There […]

  • Teach you how to transplant tinyriscv to FPGA

    Time:2022-7-28

    I amSnowy fish, an FPGA enthusiast, his research direction is FPGA Architecture Exploration and digital IC design. Follow the official account [integrated circuit design tutorial] to get more learning materials and pull you in“IC design communication group”。QQIC design communication groupGroup number:866169462。 Development board used: punctual atom Da Vinci FPGA development boardChip model: Xilinx artix-7 35t […]

  • [data system distributed system] distributed challenges

    Time:2022-7-21

    Although we talked a lot, the reality is more complicated. Now we push this complexity to the extreme and make a very pessimistic assumption: everything that may go wrong will go wrong. Here, we make a comprehensive summary of the possible faults of the distributed system. Failure and partial failure The software on a single […]

  • PI Ziheng embedded: This paper introduces the multi-channel link mode of i.mxrt timer pit and its application in coremark test engineering

    Time:2022-7-20

    Hello everyone, I’m ruffian Heng, a serious technical ruffian. What ruffian Heng introduced to you today isi. Multi channel link mode of mxrt timer pit and its application in coremark test。 As early as 2018, when i.mxrt series crossover processors were just launched, ruffian Heng wrote an articleI.mxrt1052 performance measurement (coremark), the article introduces in […]

  • Teach you how to transplant hummingbird e203 hbridv2 [Jichuang xinlai risc-v Cup]

    Time:2022-7-20

    I amSnowy fish, an FPGA enthusiast, his research direction is FPGA Architecture Exploration and digital IC design.CSDN personal blog link: https://blog.csdn.net/qq_44447544?spm=1000.2115.3001.5343 Follow the official account [integrated circuit design tutorial] to get more learning materials and pull you in“IC design communication group”。QQIC design communication groupGroup number:866169462。 Development board used: punctual atom Da Vinci FPGA development boardChip […]

  • Libopencm3 (V) basic functions: system clock, GPIO, timer

    Time:2022-7-15

    catalogue Libopencm3 (I) command line development environment configuration under Linux Libopencm3 (II) project template makefile analysis Libopencm3 (III) LD file (connector script) and startup code description Libopencm3 (IV) vscode ide environment configuration Libopencm3 (V) basic functions: system clock, GPIO, timer Libopencm3 clock, RCC Libopencm3 provides a quick way to initialize the system clock Old version […]

  • NTP server (clock server) protects the financial transportation industry

    Time:2022-7-3

    NTP server (clock server) protects the financial transportation industry NTP server (clock server) protects the financial transportation industry Anhui Jingzhun electronic technology official wechat – ahjzsz The computer network time service system in transportation, finance and other fields is mainly composed of network time server and network time service terminal software to realize the time […]

  • Linux viewing hardware time, setting time zone and synchronization time

    Time:2022-7-2

    #View hardware time hwclock -l #View each time and date of the system timedatectl status #View the available time zones of the system timedatectl list-timezones #Set system time zone timedatectl set-timezoe ZONE #Synchronize system time from the clock server (NTP) chronyc makestep

  • Learn the hrtime extension of high-precision timer in PHP

    Time:2022-6-25

    I don’t know if you still remember the stopwatch that the teacher brought during the physical education test at school? When the gunshot comes to mind, we start running. Then the stopwatch starts. When we run across the finish line, the teacher will press the button to record our results. This is a typical timer […]

  • Drawing dynamic clock with canvas

    Time:2022-6-20

    Draw a dynamic clock as shown in the following figure <body><canvas width=”600px” height=”600px” style=”background-color: #ccc; display:block; margin: 0 auto”></canvas></body> <script> window.onload = function(){ //Get canvas object var canvas = document.querySelector(“canvas”); //Get context var context = canvas.getContext(“2d”); //Encapsulates a function used for clock dynamics function clock(){ //Draw disc context. beginPath();// start context.arc(300,300,200,0,2*Math.PI); context. fillStyle = “pink”;// […]

  • Overview of AGP interface circuit [Ag interface opening bus tapping]

    Time:2022-6-18

    Let’s take a look at how Baidu baikeshang describes the AGP interface: AG interface (accelerate graphic 000 API, C OM), accelerate graphic interface. With the development of display chips, PCI bus is increasingly unable to meet its needs. Intel officially launched the AGP interface in july1996, which is a special local bus for display cards. […]