Serial Port Component For Lazarus In The Biblevinorenew

Re: Lazarus LAZARUS Minilib (was: Any Free/Cheap Async Serial Port Component) In reply to this post by Koenraad Lelong-2 On Sat, May 10, 2014 at 7:49 PM, Koenraad Lelong wrote. Re:Let us know how fast you can get the serial port working. Ok but that may take awhile. I guess I have two options to try. Serial through the GPIO port or 2. Serial through the USB port. I`ll have a look at the USB port tonight and connect a Propeller board to see if I can see a FTDI device on the port first.

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This page contains both tutorials/code and information with regard to network programming with Lazarus as well as plain FPC.

1TCP/IP Protocol
2Web Services

TCP/IP Protocol

Note: Because there are multiple libraries (Synapse, lnet, fphttpclient, Indy,..) that provide networking functionality for FPC/Lazarus, many examples can be written for multiple libraries. Therefore you may see the same examples multiple times - for different libraries. Have a look at the Brook for Free Pascal or fpctwit frameworks for examples on how to build frameworks that can use multiple network libraries

CGI/FastCGI - REST, CRUD, chat, blog, web page etc.

These functionalities can be used with fcl-web. They are also built into the Brook framework. Please have a look at this page.https://github.com/silvioprog/brookframework

SSH/Telnet client, sending emails, downloading files, OAuthv1 examples

See the Synapse page.

Webserver example

Given below is an example http server written with Synapse and tested in Win XP and macOS, after changing the Synapse source to use a fixed constant $20000 as MSG_NOSIGNAL, because this constant isn't present in the sockets unit in macOS. Note: please send your bug reports to the Synapse project - they are quite responsive - so everybody profits from improvements. To do: check if this modification is still needed for current (Oct 2012) Synapse

TCP/IP Client - Server Example using built-in FCL-Net components

Please have a look at this blog post.

Download HTTP page body, web server upload using POST, get external IP address

These examples (using the FPC/Lazarus built in fphttpclient) can be found at fphttpclient#Examples

LazWebsockets

A WebSocket is a persistent connection between a client and server. Far conservatoryolms ai ci program. WebSockets provide a bidirectional, full-duplex communications channel that operates over HTTP through a single TCP/IP socket connection. At its core, the WebSocket protocol facilitates message passing between a client and server. LazWebsockets provides a small Websocket server and client implementation written for the FPC and Lazarus. It is based on the FCL ssockets unit and therefore independent of any additional dependencies. It can be easily built using only the FPC without Lazarus. There is a chat server and chat client example demo.

Web Services

According to the W3C a Web service is a software system designed to support interoperable machine-to-machine interaction over a network. It has an interface that is described in a machine-processable format such as WSDL. Other systems interact with the Web service in a manner prescribed by its interface using messages, which may be enclosed in a SOAP envelope, or follow a REST approach. These messages are typically conveyed using HTTP, and are normally comprised of XML in conjunction with other Web-related standards. Software applications written in various programming languages and running on various platforms can use web services to exchange data over computer networks like the Internet in a manner similar to inter-process communication on a single computer. This interoperability (e.g., between Windows and Linux applications) is due to the use of open standards. OASIS and the W3C are the primary committees responsible for the architecture and standardization of web services. To improve interoperability between web service implementations, the WS-I organisation has been developing a series of profiles to further define the standards involved.

RSS example

For an RSS example, see this article RSS Unit.

Web Service Toolkit for FPC & Lazarus

Serial Port Component For Lazarus In The Biblevinorenew Story

Ssush18: new dealus history. Web Service Toolkit is a web services package for FPC and Lazarus.

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Using Google Translate

For an example of using the Google translation service, see the article Using Google Translate which employs the fphttpclient component from the fcl-web package.

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