4 Tactics to Unit Test RTOS Tasks
More than 50% of all embedded software projects use Real-time Operating Systems (RTOS). Unfortunately, using an RTOS can pose several…
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A Simple Script to Automate C Module Creation
During development, a very common activity is to create new C modules. Creating a new C module often comes with…
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The Ternary Operator Revisited
Several years ago, I wrote a blog post entitled Ternary Operator vs. if/else, which was supposed to be an interesting…
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3 Tips for Speeding Up Interrupt Handlers
Embedded software developers today are a bit spoiled. Many microcontrollers come with an ecosystem that includes peripheral drivers, an RTOS,…
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There is No Hardware
My favorite line from the Matrix is that “there is no spoon”, and today that is a wise statement for…
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3 Strategies for Handling Errors in Embedded Software
It’s very tempting to assume that a system is going to behave as perfectly in the field as it does…
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3 Explicit Programming Tips C Developers Should Follow
You know what they say when you ASSUME, you make an ASS out of U and ME. That’s exactly what…
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Is the war between C and C++ Over?
Back when I was an engineering student and a budding young engineer, it wasn’t unusual to open (yes physically open)…
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Using Callbacks with Interrupts
On a weekly basis, I receive a fair number of emails with questions about how to design embedded systems. One…
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5 Techniques to Delay Code Execution
An interesting problem that often comes up in embedded software implementation is figuring out how to delay code execution. Sometimes…
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7 Steps to Create a Stack Monitor
One of the most painstaking bugs to hunt down in an embedded system is when the stack overflows its boundaries…
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7 Steps to Create a Reusable Debounce Algorithm
A quick google search reveals that there are over 212,000 websites that examine how to debounce a button. After examining…
