The Black Magic Debug Probe (BMP) v2.1 was launched through a Kickstarter campaign. It is an Open Hardware, Open Source device that enables attachment of a source-level debug tool to an embedded Cortex-M MCU using either JTAG or SWD. The …

Cortex-M debugging probe Read More »

Currently, I am taking a Udacity Android Developer Nanodegree after receiving a Grow with Google Scholarship. My current project for the course is the first stage of an app enabling the user to browse The Movie Database (TMDb) for movies. …

GitKraken as a debugging tool Read More »

I am a long-time user of source code management tools, for many years I used Microsoft Visual SourceSafe (VSS). I tried several times to understand and use Git but found the learning curve rather steep and went back to my …

Why everyone should be using Git Read More »

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Just received the first two pre-production prototypes of the Wireless Debug Probe (WDBP) from MacroFab. After initial inspection and power-up I am so far very pleased with the quality of the work done. There are a few firmware issues to …

Project Update #2 Read More »

For several decades I have designed, built, and tested my own PCBs for several products/projects. During all of that time I made use of traditional “through-hole” mounting components. Beyond the schematic capture and PCB design software no special tools were …

Transitioning to using SMT components Read More »

In my previous post I wrote about interrupts and atomic operations in embedded systems. After getting bitten myself with just such an issue I thought I would write about the details of what I just experienced on my current project. …

More on interrupts and atomic operations Read More »

I have been trying to track down a particularly tricky problem on my Wireless Debug Probe over the last few days. When embedded systems begin to perform in strange, apparently illogical, ways the culprit is usually related to interrupts disrupting …

Interrupts, atomic variables, and the “volatile” keyword Read More »

When I started this blog it was partly to track the progress of my latest project, briefly mentioned here. Over the month or two following the original post a number of issues were discovered with the original design. It used …

Project update #1 Read More »

There is so much new technology to stay abreast of these days that we all need a little help. I find there are a number of YouTube channels that can help with this task. The Open Source and Maker communities …

Information Sources Read More »

After having a rather poor experience with the Microchip online support systems (see this post) I finally made contact with a US-based support engineer and in a matter of a couple of days he resolved the issues I was having. …

Follow-up to support post Read More »