April 2020
Intermediate to advanced
294 pages
7h 53m
English
Content preview from MicroPython Projects
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Tests for the PCA8574
The PCA8574 is the lowest level component in the application that we developed in Chapter 3, Writing a MicroPython Driver for an I/O Expander. It makes sense that we should develop the test cases for this module first. As I mentioned earlier, preferably, we would do this while we were developing the module, but in this case, we are adding it after the fact. We want to make sure that we test the module effectively for our application. In this case, there are four tests that we want to perform:
- I2C object creation and initialization
- I2C object creation handling for out-of-range addresses
- Lowest Significant Bit (LSB) high read
- Lowest Significant Bit (LSB) low read
We could design a series of tests that would check every ...
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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.