Gain insights into using Modern C++ for embedded programming. Learn about safety-critical systems, optimize performance, manage limited resources, and handle parallel execution effectively.

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Embedded Programming with Modern C++  is highly valuable for each professional programmer.

In the past, embedded and system programming have had their pitfalls, but modern C++ has been designed to be a better language for this type of development, addressing the previous pitfalls/requirements explicitly. What are these requirements? Embedded systems deal with safety-critical systems, meaning they must guarantee high performance combined with limited resources, while also working in parallel.

The scope of this course goes beyond just embedded programming. Developers who write servers, games, or trading systems may especially benefit from this course because they also have to deal with safety-critical systems, high performance, reduced resources, and parallel execution in their jobs.

To get the most out of the course, you only need a basic understanding of C++. Building off this understanding, this course goes over all the essentials of embedded programming with Modern C++.

Let's get started!

Embedded Programming with Modern C++

# Shared Data

We only need to think about synchronization if we have shared mutable data since this kind of data is prone to **data races**. 

As previously stated, when the program has a data race, it has undefined behavior. Undefined behavior affects the program before and after the undefined behavior, causing many problems for the programmer and the program. When our program has undefined behavior, the C++ community says: 

> *When the program has a catch-fire semantic, even the computer can catch fire* <font size = "8"> 🔥 </font>


 
The easiest way to visualize concurrent, unsynchronized read and write operations is to write something to `std::cout`.

> A mutex (**mut**ual **ex**clusion) guarantees that at most one thread has access to the critical region.

# Mutexes

Mutex stands for mutual exclusion. It ensures that only one thread can access a critical section once at any time.


By using a mutex, the mess of the workflow turns into harmony.

> The mutex variations need the header `<mutex>.`

In this lesson, let's look at how to tackle data races with mutexes.


Introduction

Safety-Critical Systems

High Performance

Reduced Resources

Several Tasks Simultaneously

Conclusion

Mutexes

Shared Data

Mutexes