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The most prevalent language used in microcontroller development is C. The very first microcontrollers were 8-bit processors and programming was done in assembly language. Today, the microcontroller market is currently dominated by 32-bit processors, with Cortex-M holding a considerable market share. A significant amount of code is written in C, with some projects extending into C++. Python is popular for microcontroller applications and new languages such as Rust are also starting to appear, but a solid understanding of C programming is still a must for embedded developers. In this chapter, we will present how to get started with creating, building, running, and debugging C applications on Cortex-M microcontrollers. We will ...
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