Programming the ESP32 In C Using the Arduino Library

Programming the ESP32 In C Using the Arduino Library by Harry Fairhead
English | 2024 | True PDF | 370 pages | 10 MB

The purpose of this book is to reveal what you can do with the ESP32's GPIO lines together with widely used sensors, servos and motors and ADCs. After covering the GPIO, outputs and inputs, events and interrupts, it gives you hands-on experience of PWM (Pulse Width Modulation), the SPI bus, the I2C bus and the 1-Wire bus, the UARTs and, of course, WiFi. To round out, it covers direct access to the hardware, adding an SD Card reader, sleep states to save power, the RTC, RMT and touch sensors. It also devotes a chapter to FreeRTOS which takes us into the realm of asynchronous processing.

The Arduino library uses C++ to implement access to the hardware as a set of classes and their related objects. This is what makes it easier to use despite the fact that C++ is a very large and potentially confusing language. Most of the time you don’t need to make use of its features to make use of the predefined classes. In this book the language used is as simple as possible in an effort to make the examples clear.

This is not a projects book, although there isn’t much left for you to do to round out the embryonic projects that are used as examples. Instead it is about understanding concepts and the acquisition of skills. The hope is that by the end of the book you will know how to tackle your own projects and get them safely to completion without wasting time in trial and error.

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