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Bit-Banged Async Serial Output And Disciplined Engineering

Steve Branam August 3, 2023

This post covers implementing asynchronous serial output directly on a GPIO with bit-banging. This can be a valuable debug tool for getting information out of a system. It also covers disciplined engineering, using the bit-banging module as an example and template you can apply to other projects.


The Missing Agile Conversation

Steve Branam May 15, 2023

In this article, we learn about Agile practices and how they use stories as units of development. Stories consist of a brief description, one to a few sentences. They don’t contain details sufficient to allow a developer to implement them. The Agile practice is to defer details as long as possible because conditions may change. When a developer takes on a story to implement, that’s the time for them to perform the work that has been deferred. They do this by having a conversation, a series of specific discussions working closely with the various SME’s (Subject Matter Experts) who have information relevant to the story.


Review: Embedded Software Design: A Practical Approach to Architecture, Processes, and Coding Techniques

Steve Branam February 28, 2023
Introduction

Full disclosure: I was given a copy of this book to review.

Embedded Software Design: A Practical Approach to Architecture, Processes, and Coding Techniques, by Jacob Beningo, is an excellent introduction to strategies for embedded systems design and bringing those designs to fruition. Renowned embedded systems expert Jack Ganssle was the technical reviewer.

This is a practical how-to book on the modern professional practice of embedded systems...


Learning Rust For Embedded Systems

Steve Branam November 12, 2021
The Motivational Portion

Based on recommendations from Kevin Nause, the VolksEEG project is considering using Rust as the embedded system programming language. So I've been off on a tear skimming books and e-books and watching videos at 2x to evaluate it.

My conclusion? Do it!

Most of the rest of us participants are primarily C/C++ embedded developers. I had previously been sensitized to Rust for embedded systems by 


Learning Rust For Embedded Systems

Steve Branam November 12, 2021
The Motivational Portion

Based on recommendations from Kevin Nause, the VolksEEG project is considering using Rust as the embedded system programming language. So I've been off on a tear skimming books and e-books and watching videos at 2x to evaluate it.

My conclusion? Do it!

Most of the rest of us participants are primarily C/C++ embedded developers. I had previously been sensitized to Rust for embedded systems by 


Review: Embedded Software Design: A Practical Approach to Architecture, Processes, and Coding Techniques

Steve Branam February 28, 2023
Introduction

Full disclosure: I was given a copy of this book to review.

Embedded Software Design: A Practical Approach to Architecture, Processes, and Coding Techniques, by Jacob Beningo, is an excellent introduction to strategies for embedded systems design and bringing those designs to fruition. Renowned embedded systems expert Jack Ganssle was the technical reviewer.

This is a practical how-to book on the modern professional practice of embedded systems...


Examining The Stack For Fun And Profit

Steve Branam February 19, 20201 comment

Well, maybe not so much for profit, but certainly for fun. This is a wandering journey of exploration and discovery, learning a variety of interesting and useful things.

One of the concerns with an embedded system is how much memory it needs, known as the memory footprint. This consists of the persistent storage needed for the program (i.e. the flash memory or filesystem space that stores the executable image), and the volatile storage needed to hold the data while executing over long...


Review: Hands-On RTOS with Microcontrollers

Steve Branam September 20, 20202 comments

Full disclosure: I was given a free copy of this book for evaluation.

Hands-On RTOS with Microcontrollers: Building real-time embedded systems using FreeRTOS, STM32 MCUs, and SEGGER debug tools by Brian Amos is an outstanding book. It lives up to its name, extremely hands-on and practical, taking you from knowing nothing about RTOS's (Real-Time Operating Systems) up to building real multithreaded embedded system applications running on real hardware.

It uses the ST Micro


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