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Coding Step 1 - Hello World and Makefiles

Coding Step 1 - Hello World and Makefiles

Stephen Friederichs
Still RelevantBeginner

Articles in this series:Coding Step 0 - Development EnvironmentsCoding Step 1 - Hello World and MakefilesCoding Step 2 - Source ControlCoding Step 3 - High-Level RequirementsCoding Step 4 - DesignStep 0 discussed how to install GCC and...


Summary

This blog post by Stephen Friederichs introduces writing a minimal embedded "Hello World" and the Makefiles needed to build it. It explains the basics of compiler invocation, cross-compilation considerations, and simple Makefile structure so readers can compile and flash a microcontroller target.

Key Takeaways

  • Set up a basic cross-compilation toolchain invocation for embedded targets
  • Write a minimal Makefile with common targets (build, clean, flash) and variable-driven rules
  • Create and compile a simple embedded "Hello World" program and understand linking basics
  • Integrate flashing/debugging steps into the build workflow for repeatable development

Who Should Read This

Early-career embedded engineers, hobbyists, or firmware developers who want practical guidance on creating a minimal microcontroller program and the Makefiles to build and flash it.

Still RelevantBeginner

Topics

Firmware DesignBare-Metal ProgrammingDevOps/CI

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