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Delphi Cookbook

You're reading from Delphi Cookbook Recipes to master Delphi for IoT integrations, cross-platform, mobile and server-side development

Product type Paperback

Published in Jul 2018

Publisher

ISBN-13 9781788621304

Length 668 pages

Edition 3rd Edition

Languages

Delphi

Tools

Android

Concepts

Programming Language

Authors (2):

Spinetti

Daniele Teti

View More author details

Table of Contents (18) Chapters

Title Page

Copyright and Credits

Packt Upsell

Contributors

Dedication

Preface

1. Delphi Basics FREE CHAPTER

2. Becoming a Delphi Language Ninja

3. Knowing Your Friends – The Delphi RTL

4. Going Cross-Platform with FireMonkey

5. The Thousand Faces of Multithreading

6. Putting Delphi on the Server

7. Linux Development

8. Riding the Mobile Revolution with FireMonkey

9. Using specific platform features

10. Delphi and IoT

1. Other Books You May Enjoy

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Index

Reading data from Raspberry PI

In the previous recipes we saw how to communicate something to Raspberry PI, in this recipe we are going to close the recipes about Raspberry PI with the opposite operation: how to read data that Raspberry PI controls.

Getting ready

In this recipe we will use the same circuit built previously. The goal is to make small changes to the TCP / IP server, so that at the request of a specific light bulb status it responds with a code to identify whether it is ON or OFF.

We are going to use:

Raspberry PI 3 Model B
Two Channel Relay Modules (http://wiki.sunfounder.cc/index.php?title=2_Channel_5V_Relay_Module)
Two light bulbs and relative supply power (the important thing is that the light bulbs have their own power supply)
Jumper wires

For the management of the GPIO the TRaspberryPI class is used, for any need refer to the recipe How to blink a LED using Raspberry PI where there is a good explanation.

How to do it...

For the part related to the Raspberry PI code, you can find...

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Authors (2)

Spinetti

Spinetti

Daniele Spinetti is a software architect living in Rome. He is an Embarcadero MVP. Delphi/Object Pascal is his favorite tool/programming language, and he is a lead and active member of several projects in the open source community. In his tutoring activities (conferences and training), he likes to talk about innovative topics in software architectures. He's a huge fan of design patterns and TDD.

See other products by Spinetti

Daniele Teti

Daniele Teti

Daniele Teti is a software architect, trainer, and consultant with over 20 years of experience. He drives the development of the most popular Delphi open source project on GitHubDelphiMVCFramework. He's also a huge fan of design patterns, machine learning, and AI. Daniele is the CEO of BIT Time Professionals, an Italian company specializing in high-level consultancy, training, development, and machine learning systems.

See other products by Daniele Teti

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