Book Image

Delphi Cookbook, - Third Edition

By : Daniele Spinetti, Daniele Teti
Book Image

Delphi Cookbook, - Third Edition

By: Daniele Spinetti, Daniele Teti

Overview of this book

Delphi is a cross-platform integrated development environment (IDE) that supports rapid application development on different platforms, saving you the pain of wandering amid GUI widget details or having to tackle inter-platform incompatibilities. Delphi Cookbook begins with the basics of Delphi and gets you acquainted with JSON format strings, XSLT transformations, Unicode encodings, and various types of streams. You’ll then move on to more advanced topics such as developing higher-order functions and using enumerators and run-time type information (RTTI). As you make your way through the chapters, you’ll understand Delphi RTL functions, use FireMonkey in a VCL application, and cover topics such as multithreading, using aparallel programming library and deploying Delphi on a server. You’ll take a look at the new feature of WebBroker Apache modules, join the mobile revolution with FireMonkey, and learn to build data-driven mobile user interfaces using the FireDAC database access framework. This book will also show you how to integrate your apps with Internet of Things (IoT). By the end of the book, you will have become proficient in Delphi by exploring its different aspects such as building cross-platforms and mobile applications, designing server-side programs, and integrating these programs with IoT.
Table of Contents (12 chapters)

How to blink an LED using Raspberry Pi

As we have already seen for Arduino, the blinking LED is the Hello World! of physical computing. So, regarding Raspberry Pi, we are also going to start with this recipe. Let's go!

Getting ready

Delphi does not support direct deployment on Raspberry Pi with Rasbian OS, so for communication with the board, it was necessary to develop a TCP/IP server to send commands to the RPI so that they are interpreted and transformed into other ones (for example, the lighting of the LED). The server is developed using FreePascal, a language very close to Delphi. In order to use and make the most of the developed server, it is necessary to install FreePascal and Lazarus IDE. Here is the link: http...