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README.md

ultra96-fractal

This is an Hardware-accelerated Julia set explorer running on Ultra96. The current implementation can generate 1920x1080 pixels image at 16 frames per seconds.

Picture

Video: https://twitter.com/myon___/status/1163835624710795264

Try it on your Ultra96

  1. Download ultra96v1.zip or ultra96v2.zip from the latest release page, extract the files (BOOT.BIN, boot.scr, image.ub), and copy these onto FAT32 formatted microSD card.
  2. Insert the microSD card into the Ultra96 microSD card slot.
  3. Connect the Ultra96 to a monitor.
  4. (optional) Connect a gamepad (e.g. Logitech Gamepad F310) to the Ultra96.
  5. Connect the power supply to the Ultra96.
  6. Press the power button.

How to build

Required Tools:

  1. Clone repository

     $ git clone --recursive https://github.com/Tosainu/ultra96-fractal.git
     $ cd ultra96-fractal
    
  2. Import Vivado project and generate Bitstream

     # ultra96v1
     $ vivado -mode tcl -source fractal.tcl
     # ultra96v2
     $ vivado -mode tcl -source fractal.tcl -tclargs --target ultra96v2
    
     Vivado% launch_runs impl_1 -to_step write_bitstream -jobs 32
     Vivado% wait_on_run impl_1
     Vivado% write_hw_platform -fixed -include_bit vivado_project/system_wrapper.xsa
     Vivado% q
    
  3. Build PetaLinux project

     $ cd petalinux_project
     $ petalinux-config --silentconfig --get-hw-description=../vivado_project
     $ petalinux-build
     $ petalinux-package --boot --fpga --u-boot
    
  4. Copy generated files to microSD card

     $ cp image/linux/{BOOT.BIN,boot.scr,image.ub} /path/to/sd/card
    

How it works

Block diagram

🚧 TODO

License

Distributed under the MIT license except these files.

See also