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cpq/bare-metal-programming-guide ★ 4850 447 APPLICATION

This repository is a comprehensive bare-metal microcontroller programming guide, providing step-by-step examples from minimal firmware to a full embedded web server with a device dashboard. The code targets ARM Cortex-M and RISC-V microcontrollers (STM32, TI TM4C, RP2040, ESP32-C3, nRF52840, etc.) and uses only GCC, a datasheet, and the Mongoose networking library. The architecture is bare-metal, single-threaded with an event loop in the webserver step; it demonstrates direct register manipulation, interrupt handling, UART, SysTick, clock configuration, printf retargeting via newlib syscalls, CMSIS integration, and Ethernet with built-in TCP/IP (MIP). The repository also includes reusable project templates for blinky, CLI, and LittleFS filesystem. Despite being educational, the code is production-quality and follows embedded best practices such as non-blocking timers, hardware abstraction layers (hal.h), and modular startup code.

RATING: 7.9/10 MAINT: active DRIFT: medium
▸ 3 reusable components found
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