Book Image

Embedded Programming with Modern C++ Cookbook

By : Igor Viarheichyk
Book Image

Embedded Programming with Modern C++ Cookbook

By: Igor Viarheichyk

Overview of this book

Developing applications for embedded systems may seem like a daunting task as developers face challenges related to limited memory, high power consumption, and maintaining real-time responses. This book is a collection of practical examples to explain how to develop applications for embedded boards and overcome the challenges that you may encounter while developing. The book will start with an introduction to embedded systems and how to set up the development environment. By teaching you to build your first embedded application, the book will help you progress from the basics to more complex concepts, such as debugging, logging, and profiling. Moving ahead, you will learn how to use specialized memory and custom allocators. From here, you will delve into recipes that will teach you how to work with the C++ memory model, atomic variables, and synchronization. The book will then take you through recipes on inter-process communication, data serialization, and timers. Finally, you will cover topics such as error handling and guidelines for real-time systems and safety-critical systems. By the end of this book, you will have become proficient in building robust and secure embedded applications with C++.
Table of Contents (17 chapters)

Profiling power consumption with PowerTOP

In complex operating systems such as Linux that run multiple userspace and kernel space services and control many peripheral devices at once, it is not always easy to find components that can cause excessive power drain. Even when inefficiency is identified, fixing it may be difficult.

One of the solutions is to use a power profiler tool, such as PowerTOP. It can diagnose issues with power consumption in a Linux system and allows the user to tweak system parameters that can save power. 

In this recipe, we will learn how to install and use PowerTOP on a Raspberry Pi system.

How to do it...

In this recipe, we will run PowerTOP in interactive mode and analyze its output:

  1. Log...