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Firmware and design files for an educational DSP device. https://bitgloo.com/projects/stmdsp
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README.md

stmdsp

The stmdsp project enables certain STM32 development boards to be used as a digital signal processing (DSP) education tool.

The project consists of two parts: the firmware, which allows users to upload custom DSP algorithms to process signals in real-time; and the GUI currently named stmdspgui, which facilitates algorithm design, upload, and execution, while also providing numerous analysis features.

The firmware for the device is written in C++, building on top of the ChibiOS real-time operating system.

Features

  • Real-time signal processing: the input channel is read from the ADC, and the processed output is sent out over the DAC.
  • Signal sampling rates from 8kS/s up to 96kS/s.
  • Custom algorithms, uploaded over USB at run-time, can be applied to the input signal.
  • The second DAC channel can act as a signal generator, should no other input be available.
  • Analysis features, including measuring algorithm execution time and logging input and output samples.

Supported development boards

This project is aided by a custom add-on board, which is designed to stack on top of STMicroelectronic's NUCLEO line of dev boards.

At the moment, only the NUCLEO-L476RG board is fully supported.

Programming instructions and more information

See the doc folder for further project documentation, including a PDF guide.