With this software you can run an Arduino Sketch on your PC. In particular, you can run FastLED sketches with Adafruit-GFX.
It is made for Linux using SDL.
It takes three weeks to ship a serial LED strip from China, but I want to start coding animations now!
If you are using Arduino Make, it should be sufficient to
replace the Arduino.mk include with makeNativeArduino.mk in your Makefile.
Then simply run make as usual.
See the example/ directory for an example.
This uses a patched version of FastLED which outputs to a SDL buffer instead of real hardware.
To use it, replace your usual FastLED.addLeds<WS2812B, DATA_PIN>(leds, num_leds); with
FastLED.addLeds<SDL, width, height>(leds, num_leds);
The Layout for NeoMatrix is NEO_MATRIX_TOP + NEO_MATRIX_LEFT + NEO_MATRIX_ROWS (no ZIGZAG as you would want on real hardware)
If things appear too dark, use the + key to increase brightness.
SDL is used to render a simulation of the LED-Strip Matrix. To install the required dependencies, run
sudo apt install libsdl2-dev
The project uses git submodules to include the Arduino libraries. To get them, you have to run
git submodule init
git submodule update
after checking out the repository.