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Firmware and design files for an educational DSP device. https://bitgloo.com/projects/stmdsp
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Clyne 3668d16828 firmware cleanup, thread optimizing; make buffer size refs consistent 4 years ago
ChibiOS_20.3.2 increase signal buffers; fix oversample 4 years ago
board add custom board info 4 years ago
cfg sandboxed user algorithm 4 years ago
gui firmware cleanup, thread optimizing; make buffer size refs consistent 4 years ago
mathematica Added mathematica test code 5 years ago
source firmware cleanup, thread optimizing; make buffer size refs consistent 4 years ago
.gitignore upload initial port 4 years ago
.gitmodules using serial lib, can connect to device 5 years ago
LICENSE Initial commit 5 years ago
Makefile more stack space; expose trig to algorithms 4 years ago
README.md Add note about this branch 4 years ago
STM32H723xG.ld more stack space; expose trig to algorithms 4 years ago
openocd.cfg upload initial port 4 years ago
openocd.sh 8kSps rate; elf in SRAM2 4 years ago

README.md

stm32h7 branch note: This is a port of stmdsp to the NUCLEO-H723ZG. This new target processor provides extreme performance improvements over the L4 target, and may become the primary target in the future.
A minimal copy of ChibiOS is included, modified to support H723xx processors.

stmdsp

This is the source code for an STM32-based DSP device. The primary goal of this device is to transform signals in real-time, through a GUI for writing and uploading C++ code to the device.

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

Features:

  • Read in a signal from the ADC, and either pass-through or apply a filter to the signal before outputting it over the DAC
  • Sampling rate of 96kS/s
  • Measuring of filter code in processor clock cycles

Device features:

  • Read +/- 5V signal(s) off of at least one pin
  • Send +/- 5V signal(s) off of at least one pin
  • Communicate with a computer program to allow for the reading, writing, and transformation of signals.

See the wiki for more information about components of the device's software and hardware.

Directory explanation: Source code for the device's firmware is in the source directory.
Source code for the accompanying GUI is in gui.
Notebook files for working with the device in Mathematica are in mathematica.