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In industrial control, Industrial Computer (generally based on Windows) often needs to communicate with smart meters through serial ports. Serial Communication is convenient and widely used.Generally, the Industrial Computer communicates with each smart meter through RS485 bus. The RS485 communication mode is half-duplex and can only be round-robin by the industrial control PC as the master node on each Int
Application of Spcomm Control in Delphi Serial Communication 22:20:31 | category: personal diary | report | font size subscriptionApplication of Spcomm Control in Delphi Serial Communication Abstract: The use of Delphi to develop industrial control system software has become the choice of more and more developers, and serial communication is one of the problems
From https://www.ibm.com/developerworks/cn/linux/l-serials/ Introduction to serial ports The serial port is a common interface for computers. It has a wide range of applications, such as a few connection lines and simple communication. Commonly used serial port is RS-232-C interface (also known as EIA RS-232-C) it was in 1970 by the American Association of Elect
Delphi uses Tcomm component Spcomm for serial communicationAbsrtact: Using Delphi to develop industrial control system software becomes more and more developer's choice, and serial communication is one of the problems that must be solved in this process. Based on the analysis and comparison of several common serial communication methods, this paper emphatically d
-1- VC ++Application Design for Serial Communication Abstract: This article introduces a Serial Communication Class Integrated with Win32 API functions and the basic idea of C ++ class. Cserialport class. The following describes how to implement serial communication in VC ++ 6.0 through specific examples. Key words: VC ++ se
Java Serial communication detailed (GO)Author: denimcc Date: 2007-05-11 PrefaceWhen it comes to open source, I'm afraid few people don't pick Osashi praise. The students learned the knowledge through open source code, the programmer gained the successful experience of others through the open source Library and the ability to finish the project at hand on time, and the merchant made the money through open source software. However, the first drawback of
reprint Please specify from: Blog.csdn.net/mingojiang Directory A serial communication basis 1.1 Serial communication principle and characteristics 1.2 Transmission mode of serial communication 1.3 Synchronization technology of serial communication 1.4 Serial Interface
Original article address: petabytes of serial programming materials (translated) Author: notbig PB serial programming materials---- Mscomm32The MSComm control transmits and receives data through the serial port to provide the serial communication function for applications. MSComm controls are very convenient for
Abstract: This article introduces the implementation mechanism of serial communication on Windows platform, and discusses the design of Serial Communication Using Visual C ++ based on different conditions. Program The three methods, combined with the actual situation, to achieve monitoring of temperature data reception. In laboratory and industrial applications, se
Z-stack problem of the serial structure uartcfg_t nonsensetypedef struct{Uint8 *rxbuf;//Receive CacheUint8 rxhead;//HeadUint8 rxtail;//TailUint8 rxmax;//Receive Maximum lengthUint8 rxcnt;//CountUint8 rxtick;//TimeUint8 rxhigh;//HighUint8 *txbuf;#if hal_uart_big_tx_bufUInt16 Txhead;UInt16 Txtail;UInt16 Txmax;UInt16 txcnt;#elseUint8 Txhead;Uint8 Txtail;Uint8 Txmax;Uint8 txcnt;#endifUint8 Txtick;Uint8 flag;//Flag bithaluartcback_t RXCB;} uartcfg_t;A frie
You can use Visual C + + to design asynchronous serial communication programs in a Windows environment using different methods. one way to use the serial port API functions provided by Windows system is to use the ActiveX control Mscomm.ocx provided by Microsoft Company directly. It is relatively simple to use the Mscomm.ocx control to design the serial port, as
Two independent asynchronous serial I/O ports are provided for the UART unit of the high-efficiency FIFO serial port based on the implementation of b0x (clock frequency: 60 MHz) on the ARM7, each communication port can work in the interrupt or DMA mode. That is, UART can generate an internal interrupt request or DMA request to transmit data between the CPU and the seria
Introduction to serial ports The serial port is a common interface for computers. It has a wide range of applications, such as a few connection lines and simple communication. Commonly used serial port is RS-232-C interface (also known as EIA RS-232-C) it was in 1970 by the American Association of Electronic Industry (EIA) the
Serial Communication in Windows Unlike the serial communication programs in DOS, Windows does not recommend that applications directly control the hardware, but transmits data through the device driver provided by the Windows operating system. The serial port is processed as a file in Win 32, rather than directly operating on the port. For
Reprint: http://blog.sina.com.cn/s/articlelist_1809084904_0_1.htmlVC + + programming Simple serial host computer programSerial communication, MCU and PC communication is often used in a way of communication, do interface, write the programming language of the computer program, compiling environment, and so on, VB, C #, LabVIEW and so on, I will be very few languages, C language used more, but has not found how to use C language to write
Introduction to serial programming in Linux-general Linux technology-Linux programming and kernel information. For more information, see below. Introduction: The Linux operating system has provided good support for the serial port from the very beginning. This article briefly introduces the serial port communication programming in Linux. Introduction to
Recently, many computer users are looking for WPS2012 Professional Edition serial number. So, there is no free wps2012 Professional version of the serial number. Below, small series for everyone to tidy up some can be free to use the WPS2012 Professional version of the serial number, but this number is mainly 90 days probation period and 180 days probation period
Recording:1. Advantages of asynchronous non-blocking Serial Communication2. Basic principles of asynchronous non-blocking Serial Communication3. Basic knowledge of asynchronous non-blocking Serial Communication4. Implementation steps of asynchronous non-blocking Serial Communication2005.01.05 I. Advantages of asynchron
1. API description In Win32 API, the serial port uses the file access method, and its operation API is basically the same as the file operation API. Open serial port In Win32, the API function used to open the serial port is createfile, and its prototype is: HANDLE CreateFile (Lptstr lpFileName, // name of the seria
Directory:1. Advantages of asynchronous non-blocking Serial Communication2. Basic principles of asynchronous non-blocking Serial Communication3. Basic knowledge of asynchronous non-blocking Serial Communication4. Implementation steps of asynchronous non-blocking Serial Communication2005.01.05 I. Advantages of asynchron
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