Calculation method of CRC check code for Modbus RTU

The CRC is calculated using only 8 data bits, starting bit and stop bit, if parity bit also includes parity bit , do not participate in CRC calculation.The CRC is calculated by:1. Load a 16-bit register with a value of 0XFFFF, which is the CRC

Each skill DBC parameter

It is recommended that you find the standard magic db through the engine's Help fileThe following is the standard magic db for some hero engines34, detoxification, 2,26,16,0,0,0,0,0,2,42,50,44,100,46,200,40,35, Old lion roar, 5,7,10,14,14,10,6,6,2,42

DPKG:ERROR:DPKG status database is locked by another process solution

Https://i.cnblogs.com/EditPosts.aspx?opt=1 using dpkg-i/apt command installation, error:-------------------------------------------------------------DPKG:ERROR:DPKG status database is locked by another processUnable to get

Installing and Configuring PL/SQL Developer from scratch

Original address: http://lightguide.blog.51cto.com/3121539/1140588Because of their own installation and configuration to go a lot of detours, search online documents Most of them do not contain ORALCE client installation and the corresponding

SQL in four languages: DDL, DML, DCL, TCL

1. DDL(Data? Definition Language)The database Definition Language statements is used to define the the database structure or schema.A three-level structure for defining a database, including external, conceptual, internal, and inter-image. Defines

Mac under Hadoop run Word Count's pit

Mac under Hadoop run Word Count's pitWord Count embodies the classic idea of map reduce, which is the Hello World in distributed computing. However, the blogger was fortunate to have encountered a problem peculiar to the Mac Mkdirs failed to create,

Use your Mac to bring your own SVN server and connect using idea

svn

Tag: Remove the Read and Write permissions library file between the Idt har. com block ideFirst, check the Mac comes with SVN version number two, create code warehouse $ mkdir-p/users/shared/svn/repository$ svnadmin

Write a simple state machine example with the Smach of Ros

Reference:1. "Programming Robots with ROS--a practical INTRODUCTION to the ROBOT OPERATING SYSTEM" Morgan Quigley, Brian gerkey& William D. Smart book 13th chapter on Patrol2.https://www.cnblogs.com/cv-pr/p/5155828.htmlThe recent use of Ros for task

LUA's base64 encryption and decryption algorithm.

Tag:group    decryption    mod   base   string    body   ast   else   byte    Local function encodeBase64 (source_str) Local b64chars = ' abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz0123456789+/' local s64 = ' local str = SOURCE_STR while

Sping boot entry to combat introduction (III): Spring Boot Property configuration

This article is the third chapter of the Sping boot entry to the actual Combat series introductory article.   Describes the property configuration for spring boot. Traditional spring Web App custom properties are typically added by adding a

Sort Quick Sort (1~10)

Now there are fewer students in handwritten order, but in some subjects, the use of handwritten sort may make the topic more simple. Below I will upload some sort of template.Quick SortBasic ideas I will not elaborate, recommend everyone to Baidu

UVA 1608 not boring sequences (with summary of common algorithm design and optimization strategies)

UVA 1608 not boring sequences (with summary of common algorithm design and optimization strategies)The purple book has such a problem: It is not boring to call this sequence if there is at least one element in any successive subsequence of a

"2018 National multi-school algorithm winter training Camp Practice Competition (fourth)-A" Oil acquisition (Hungarian algorithm)

cas

Question Link: Https://www.nowcoder.com/acm/contest/76/AIdeasThe right and bottom of each ' # ' if it is also ' # ' indicates that the two points constitute the path, in order to reconstruct a picture, and then find the maximum match of the binary

Built-in 3D object-unity3d game development Training

Built-in 3D object-unity3d game development TrainingDeng Jiahai2018-02-12 19:21:58Five Large panels:-hierachy: Objects in the current sceneFigure 1-1-project: All resources in the projectFigure 1-2-scene: Preview of the current sceneFigure

EmWin 2-Day Accelerated Instance Tutorial 003_framewin and window widgets and 2D drawings

Note: (1) Open the "Exe\guisimulationdebug.exe" under the project catalog to see the effect. (2) After reading the tutorial 000~005 will basically use Emwin to do the project, other chapters can be consulted when necessary. (1) Each interface of

How to add a Apicontroller help page to a Web project without adding an API core component Helppage

How to add a Apicontroller help page to a Web project without adding an API core component HelppageObjective:Asp.  The Web project in net can provide interfaces to other projects through the Apicontroller controller. While we are debugging these

Windows7 with vs compile locally used live555

This article link: https://www.jianshu.com/p/6ea100865744 EnvironmentSystem: Windows7 SP1 64-bitEditor: Visual Studio Community 2017Live555:2018-01-24Ready to work download source codehttp://www.live555.com/liveMedia/public/Download

Ipconfig command and ifconfig command usage introduction, ipconfigifconfig

Ipconfig command and ifconfig command usage introduction, ipconfigifconfig 1. ipconfig: The ipconfig utility in Windows (winipcfg on the graphic user interface in Windows 95/98) can be used to display the current TCP/IP configuration setting value.

ASSERT syntax instance, assert syntax

ASSERT syntax instance, assert syntax ASSERT Syntax ASSERT [[ID group [SUBKEY sub] [FIELDS val1 val2...] CONDITION] log_exp. Extras: 1... ID group 2... SUBKEY sub 3... FIELDS val1 val2... 4... CONDITION Effect This statement defines an assertion.

After the openssl upgrade, nginx re-compiles and installs the tutorial, opensslnginx

After the openssl upgrade, nginx re-compiles and installs the tutorial, opensslnginx Nginx recompilation and installation tutorial after openssl upgrade Openssl1.0.2 or later must be installed. problems may occur when you recompile and install

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