The Definitive Guide to Bit Manipulation for Embedded Systems

A comprehensive embedded guide to bit masks, register fields, target intrinsics, packed protocol values, atomicity, and C++ std::bitset.
Embedded Systems & Electronics Engineering
Embedded Systems & Electronics Engineering
Articles and tutorials about electronics, embedded systems, wireless sensor networks, software developement, etc…

A comprehensive embedded guide to bit masks, register fields, target intrinsics, packed protocol values, atomicity, and C++ std::bitset.

A practical reference for embedded SPI drivers for ADCs, sensors, DACs, and other peripheral chips, covering datasheets, timing, testing, and bring-up.

How std::span makes pointer-plus-length APIs easier to review, where it fits in firmware and tools, and which lifetime, bounds, DMA, and toolchain issues it still cannot protect.

How to build maintainable I2C chip drivers for sensors, ADCs, EEPROMs, GPIO expanders, and other peripheral devices without leaking bus details into application code.

A practical debugging workflow for C and C++ firmware, drivers, Linux utilities, and test tools: capture failures, replay inputs, instrument boundaries, protect timing, and verify fixes.

How to structure Qt instrument GUIs so serial, USB, TCP, and SCPI hardware failures do not freeze widgets, hide stale data, or leave operators guessing.

Ten firmware habits that make bring-up easier, expose faults earlier, and keep common embedded failures from hiding in drivers, interrupts, buffers, or timing code.

A practical comparison of free PCB design tools, with attention to workflow, libraries, manufacturing output, privacy, current free-tier constraints, and the mistakes that usually hurt first boards.

Ten C++20 features that make everyday code easier to review, harder to misuse, and more practical to maintain in real projects.

Learn the real tradeoffs behind C++ containers. Compare performance, memory usage, allocation behavior, and practical considerations for desktop software, Qt applications, Linux systems, and embedded firmware.

How to choose the right const-related C++ keyword based on the guarantee you need, with embedded-focused notes on API mutation, compile-time evaluation, startup initialization, and toolchain support.

Common UART and RS232 mistakes in embedded projects, with practical fixes for framing, buffering, parser state, CRC checks, timeouts, backpressure, and bench debugging.