April 2020
Intermediate to advanced
294 pages
7h 53m
English
Content preview from MicroPython Projects
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Modifying the default GPIO initialization
There are times when a developer may want to customize the startup state of the GPIO pins. For example, there may be a secondary power regulatory on the board that will power up circuitry that needs to be placed in its initial state (whether that's on or off). There could be a device connected to a pin that will drive it and we want to make sure that it is configured as an input. Whatever the case may be, we can customize the kernel with custom initialization code that will set our pin states early in the boot-up process.
The steps for customizing our startup code are pretty simple and are listed as follows:
- Update the mpconfigboard.h board module with the MICROPY_BOARD_EARLY_INIT definition and ...
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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.