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Articles tagged with #firmware-development
During firmware development, if something does not work as expected, we need to throw this question first: "hardware issue or firmware issue?" This idea will help to figure out potential root causes. Hardware issue? Verify power supply. Use a multi...
Why do we need to consider reliability in firmware? The firmware is a binary program file that runs in the microcontroller. The microcontroller is a hardware device, to function consistently over time, without errors. Yes, however, the hardware is no...
In general, firmware cannot be discussed without hardware dependency in embedded systems. For example, the led_controller module needs to use functions from the interface_gpio module to control hardware. When we need to unit test this type of interfa...
How to set up Ceedling From last post, Ceedling was introduced as a unit testing framework for C. In this post, I want to show how to set up Ceedling and how to use Ceedling with the simple example. Ceedling is required to install ruby. I download...
How often firmware engineers expose to unit testing? This was an unusual topic to me at first while I have worked as firmware engineer for microcontrollers. Most of microctonroller applications are still developed in C or C++. In the past, while yo...
