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Template for building STM32F0-Discovery project in GCC
Yep, that blue light is blinking and I made it happen. I’ve been hard at work since I got my free STM32F0-Discovery board in the mail. Most recently I put together a starting template for building...
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Parallax shows love for open source: GCC + Propeller
Parallax has done something that is unthinkable for most microcontroller manufacturing companies. They’ve decided to throw their support behind an open source toolchain based on GCC. That’s right,...
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STM32 F4 Discovery tutorial using open source tools
[Pulko Mandy] got his hands on the new STM32 F3 Discovery board. He’s a fan of the open source tools just like we are, so he posted a guide covering the use of an open source toolchain with the F3...
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A study of GCC and the TI Stellaris
There are several things that we really like about the TI Stellaris. We think the peripheral library — called Stellarisware — has a pretty intuitive API that makes it easy to get into. But we’re also...
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Using newlib with Stellaris Launchpad
[Brandon] is taking us further down the rabbit hole by demonstrating how to use newlib with the TI Stellaris Launchpad. This is a nice continuation of the framework he built with his post about using...
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Trimming The Fat From AVR GCC
[Ralph] has been working on an extraordinarily tiny bootloader for the ATtiny85, and although coding in assembly does have some merits in this regard, writing in C and using AVR Libc is so much more...
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GCC for the ESP8266 WiFi Module
When we first heard about it a few weeks ago, we knew the ESP8266 UART to WiFi module was a special beast. It was cheap, gave every microcontroller the ability to connect to a WiFi network, and could...
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Build Your Own CPU? That’s the Easy Part!
You want to build your own CPU? That’s great fun, but you might find it isn’t as hard as you think. I’ve done several CPUs over the years, and there’s no shortage of other custom CPUs out there ranging...
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Embed With Elliot: March Makefile Madness
The make tool turns the big 4-0 next month, and we thought we’d start up the festivities early. In a two-part series, I’ll cover some of the make background that I think is particularly useful, and...
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gcc: Some Assembly Required
There was a time when you pretty much had to be an assembly language programmer to work with embedded systems. Yes, there have always been high-level languages available, but it took improvements in...
View ArticleMSDOS Development with GCC
It might seem odd to think about programming in MSDOS in 2018. But if you are vintage computer enthusiast or have to support some old piece of equipment with an MSDOS single board computer, it could be...
View ArticleIt’s All In The Libs – Building A Plugin System Using Dynamic Loading
Shared libraries are our best friends to extend the functionality of C programs without reinventing the wheel. They offer a collection of exported functions, variables, and other symbols that we can...
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Warnings Are Your Friend – A Code Quality Primer
If there’s one thing C is known and (in)famous for, it’s the ease of shooting yourself in the foot with it. And there’s indeed no denying that the freedom C offers comes with the price of making it our...
View ArticleWarnings On Steroids – Static Code Analysis Tools
A little while back, we were talking about utilizing compiler warnings as first step to make our C code less error-prone and increase its general stability and quality. We know now that the C compiler...
View ArticleCrash your code – Lessons Learned From Debugging Things That Should Never...
Let’s be honest, no one likes to see their program crash. It’s a clear sign that something is wrong with our code, and that’s a truth we don’t like to see. We try our best to avoid such a situation,...
View ArticleQuadcopter Uses Bare Metal STM32
[Tim Schumacher] got a Crazepony Mini quadcopter and has been reprogramming it “bare metal” — that is to say he’s programming the STM32 without using an operating system or do-it-all environment. His...
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Tracking Binary Changes: Learn the DIFF-erent Ways of the ELF
Source control is often the first step when starting a new project (or it should be, we’d hope!). Breaking changes down into smaller chunks and managing the changes between them makes it easier to...
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Lambdas for C — Sort Of
A lot of programming languages these days feature lambda functions, or what I would be just as happy to call anonymous functions. Some people make a big deal out of these but the core idea is very...
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Linux Fu: Shell Scripts in C, C++, and Others
At first glance, it might not seem to make sense to write shell scripts in C/C++. After all, the whole point to a shell script is to knock out something quick and dirty. However, there are cases where...
View ArticleCompiler Explorer, Explored
It wasn’t long ago that we introduced you to a web site, the Godbolt compiler explorer, that allows the visitor to compile code using a slew of compilers and compare their output. We suspect some...
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