- 博客(0)
- 资源 (7)
- 收藏
- 关注
Modbus-RTU通讯协议通信规约
Modbus-RTU通讯协议通信规约,Modbus-RTU 通讯规约基于 Modicon 公司标准 Modbus 协议。本规约适用于本公司生产的包含 Modbus-RTU 协议的控制器、仪表、测控装置及其他控制设备。作为设备通信协议的标准文档,规定了通信格式。
2022-07-28
TCPIP协议详解卷一:协议
TCPIP协议详解卷一:协议
很好的学习网络书籍
还有TCPIP协议详解卷二:实现
TCPIP协议详解卷三:TCP事务协议HTTPNNTP和UNIX域协议
2010-12-09
49636988vc.2008.rar
vc2008描述和使用Introduction to C++
C++ is a large object-oriented language that supports many modern features. As the name implies, it is a further development of the language C. In this chapter, you will learn the basics of the language. The next chapter deals with the object-oriented parts of C++. This chapter covers:
An introduction to the languge, how the compiler and linker works, the overal structure of a program, and comments.
C++ is a typed language, which means that every value stored in the computer memory is well defined. The type can be an integer, a real value, a logical value, or a character.
An array is a sequence of values of the same type. Pointers and references hold the address of a value.
In C++ there are possibilities to calculate values by using the four fundamental rules of arithmetic. We can also compare values as well as perform logical and bitwise operations.
The flow of a program can be directed with statements. We can choose between two or more choices, repeat until a certain condition is fulfilled, and we can also jump to another location in the code.
A function is a part of the code designed to perform a specific task. It is called by the main program or by another function. It may take input, which is called parameters, and may also return a value.
The preprocessor is a tool that performs textual substitution by the means with macros. It is also possible to include text from other files and
2010-01-19
空空如也
TA创建的收藏夹 TA关注的收藏夹
TA关注的人