Difference between revisions of "Bare metal micro:bit"

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{{DISPLAYTITLE:Bare Metal {{microbit}}}}__NOTOC__
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{{DISPLAYTITLE:Bare metal {{microbit}}}}__NOTOC__
===Twenty experiments in low-level programming===
 
{{Smallcaps|This book describes}} a series of experiments in programming the BBC {{microbit}} at a low level.
 
 
 
Chapters will appear one-by-one in coming weeks, starting with some experiments with programming the {{microbit}} in machine code.  If you want to follow along as the book grows, you should get a {{microbit}} and either a Raspberry Pi or a Linux laptop, and begin with the appendices about [[Appendix A: Hardware setup|hardware]] and [[Appendix B: Software setup|software]] setup.  The hardware setup instructions include some modifications to the {{microbit}} that will come in handy later, but you don't have to do them before beginning with the first experiment.
 
 
 
Feedback is very welcome, and you can send me e-mail at [mailto:spivoxity@gmail.com <nowiki>spivoxity@gmail.com</nowiki>], or raise issues on the github page if you prefer: https://github.com/Spivoxity/baremetal-v1.
 
 
 
 
[[Image:cover.png|400px|thumb|right|Front cover]]
 
[[Image:cover.png|400px|thumb|right|Front cover]]
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===Twenty-one experiments in low-level programming===
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This is the website for my book, "Bare metal {{microbit}}", containing [[#online resources|online recources]] to support the book, including updated instructions for setting up the hardware and software you will need, and a page that gathers together documentation on all aspects of the {{microbit}} hardware.
  
==Part 1: Machine code programming==
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* An [[outline]] of the book as it will appear.
The first third of the book is about programming at the machine level: instructions, how they are implemented by a computer, and how they can be combined to carry put familiar programming tasks.
 
 
 
* [[Introducing the microbit|Introducing the {{microbit}}]].
 
* {{Exp|X1000|Building a program|Check you can build and upload a simple program (written in pure C) that echoes lines typed on the terminal}}
 
* {{Exp|X1100|Machine instructions|Investigate the effect of single machine instructions using an interactive program}}
 
 
 
==Part 2: Input/output devices==
 
This part of the book is about programming I/O devices: how input and output happens by reading and writing device registers, and how we can use interrupts to make the computer respond to events.
 
  
* {{Exp|X2100|Serial communication|Use a serial device to transmit characters}}
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''I am now in discussions with publishers about how to take the project forward, including what will continue to appear on the website.  The code for the experiments will remain available on GitHub and continue to be updated.  If you would like to look at sample chapters or try out the experiments, please get in touch with me and I will give you access. -- Mike''
* {{Exp|X2400|Neopixels|Use assembly language to make a bit-banged implementation of the protocol for WS2812 'NeoPixel' LEDs}}
 
  
==Part 3: Embedded operating system==
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[mailto:mike@cs.ox.ac.uk mike<nowiki>@</nowiki>cs.ox.ac.uk]
The last third of the book introduces {{microbian}}, a tiny embedded operating system based on message passing, and uses it to organise programs that contain multiple processes interleaved with each other.
 
  
==Appendices==
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==About the book==
* [[Appendix A: Hardware setup]]
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{{:Blurb}}
* [[Appendix B: Software setup]]
 
  
==Web only==
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==Online material==
* [[The micro:bit page|The {{microbit}} page]]
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* [[Appendix A: Hardware setup]].
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* [[Appendix B: Software setup]].
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* [[The microbit page|The {{microbit}} page]].
  
  
 
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Revision as of 12:31, 27 April 2022

Front cover

Twenty-one experiments in low-level programming

This is the website for my book, "Bare metal micro:bit", containing online recources to support the book, including updated instructions for setting up the hardware and software you will need, and a page that gathers together documentation on all aspects of the micro:bit hardware.

  • An outline of the book as it will appear.

I am now in discussions with publishers about how to take the project forward, including what will continue to appear on the website. The code for the experiments will remain available on GitHub and continue to be updated. If you would like to look at sample chapters or try out the experiments, please get in touch with me and I will give you access. – Mike

mike@cs.ox.ac.uk

About the book

Blurb

Online material



Copyright © 2019–21 J. M. Spivey. All rights reserved.