Blog

Arm cortex-m peripheral registers always 0

July 30, 2022

When writing a peripheral driver and writing to register values always read out as zero, what??

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Field oriented BLDC Servo motor control with the stm32g4 and Zig

July 09, 2022

I finally got closed loop BLDC motor control working using Zuric and a DRV8316 driver board I made (with Horizon-EDA).

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USB CDC on the stm32 in Zig

April 20, 2022

I finally managed to get the stm32g4 USB driver to work as a ACM port with Zig.

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GDB errors with "PC register is not available" with pyOCD

March 29, 2022

When trying to load firmware with gdb it started throwing an error "PC register is not available"...

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Enaml-native android builds for Python updated to 3.10.2

March 13, 2022

Python 3.10.2 builds for android are now available via conda-mobile!

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Profiling python apps with KCachegrind

March 13, 2022

Short post on how to profile a python app using KCachegrind.

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Micropython ESP8266 Reflow Oven

March 05, 2022

A short post on my micropython PCB reflow oven...

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How to block HTTP3/QUIC

January 24, 2022

I've been seeing a lot about HTTP/3 lately and how great it is...

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Attempts to cut a solder paste stencil - Part 4

December 30, 2021

Finalizing my series of posts on cutting pcb solder paste stencils with a rotary engraver.

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Debugging python extension core dumps or segfaults in CI

December 28, 2021

If a python extension causes a segfault when running with CI it just stops abruptly with a Aborted (core dumped) message.

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