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Tuesday, January 26, 2016

MikMod on STM32F4

Over the past couple of days I have ported to run on an STM32F407. This is a very memory constrained environment with only 128kB of RAM but I am able to play some rather complex MOD and XM files that are in the range of 60kB in size. I had to patch libmikmod slightly and write a new audio output driver to make all of this happen.

MikMod on STM32F4 Hardware :]
The audio quality is quite good. I currently have MikMod configured to render at 44.1kHz in mono. I could likely render in stereo but I would be limited to smaller MOD and XM files due to the increased memory usage. Here is a video that mainly shows the audio quality as captured by my camera.

The video below contains a little more technical detail, demonstration of boot and loading different audio files.

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