August 2022
Intermediate to advanced
108 pages
2h 23m
English
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Chapter 4Blink an LED with Software Layers
In the first chapter, we worked out how to burn firmware. Then we used the Circuits.GPIO library to manipulate a circuit with an LED. In this chapter, we’ll build our own firmware to blink an LED with a service layer. We’ve chosen a simple project in the spirit of achieving small, quick wins. We’ll use this tiny project with blinking LEDs to show you how to build a system in layers.
At some point in this chapter, you’re probably going to be shaking your head, wondering why you would ever use so many layers to blink one silly LED. When that happens, remind yourself that the goal is to use a known simple problem, a blinking LED, to explore a much more complex question: how to build complex hardware projects ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.