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You might need this, if you had to connect to an old computer system that provided serial terminals.Ĥ. #Serial port in delphi 7 ile full#I did not need a full featured 'video terminal emulator' that did fifteen different terminal emulations, including a reliable VT-52, or PC ANSI terminal emulation. Here are things that I didn't need TComPort to do, things that would make AsyncPro a better choice than TComPort:ģ. One application I wrote in the mid 1990s had dialup remote control of an emergency power grid that could be remotely activated by the power utility company in a major midwestern US city, whenever the grid needed additional capacity. Talk over a direct cable link, or a modem link, to equipment at a remote site. For modbus capable PLCs, I wrote a descendant component that does Modbus client communications, for Delphi, that can talk to a wide range of industrial and process control, and scientific equipment that implements this protocol.Ģ. ![]() Some of this equipment including Programmable Logic Controllers, using a common protocol called 'Modbus RTU', or simple Ascii (text based) serial protocols, some with, and some without checksums. Talk to industrial or scientific or laboratory equipment, over an RS-232 or RS-485 link. So what were my purposes? I wrote applications that did the following things:ġ. TComPort seems like exactly what I needed for my purposes. #Serial port in delphi 7 ile code#Nevertheless, as a person who believes strongly in the 'smaller is beautifuller' concept, almost to an absurd degree, and who has found that the less code I put in my application, the less my application breaks in horrible ways, I still prefer TComPort for the cases where I need to do serial communication in a delphi app. AsyncPro is a fabulous component set, and nothing negative I have said in the past should be held as more correct than the simple fact that lots of people use, and still use AsyncPro, and are happy with it. But I should introduce a policy here on Delphi Code Monkey I intend to publically do penance for stupid things I have said in the past. I have said some negative things in the past about AsyncPro, because the complexity in it mixed poorly with the complexity in my products, and when I had to debug things, I found it really hard to debug AsyncPro. Like a lot of developers who need to do serial communication, I started using Turbo Power's very capable AsyncPro product, which is still alive, and doing well. The latest version 4.11b is available on SourceForge here. It didn't need much tweaking, other than a bug fix here and there, and support for new Delphi versions as it came along. TComPort component was originally written by Dejan Crnila, it was modified a bit by other people, including me, among others. Normally, these ports are used for mice, modems, printers, and the like. These comm ports provide voltages and pin outs consistent with RS-232C. ![]() Serial I/O (RS232) Using Delphi All Intel PCs have one or two serial ports usually referred to as Com1 and Com2. Last Modified 09-30-03, links fixed 10-24-09 All Intel PCs have one or two serial ports usually referred to as Com1 and Com2. ![]() #Serial port in delphi 7 ile how to#This page demonstrates how to perform Serial I/O via RS232 using Delphi). Can communicate with any device connected to the serial port using RS232 protocol It uses multithreading and overlapping for maximum performance Source code included in the registered version It’s part of Communication Protocol Suite Available for Delphi/C Builder 5 – 10.4 and Lazarus 2.0.10 Usage. ![]()
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