Simple Blinky sketch for the IceZero FPGA board
To install the programming software:
sudo apt-get install fpga-icestorm arachne-pnr yosys
git clone https://github.com/thekroko/icotools.git
cd icotools/examples/icezero
make icezprog
sudo make install_icezprog
To flash this sketch:
icezprog blinky.bin
The output should look similar to this:
icezprog icezero.bin
Flash ID: C8 40 13 C8 40 13 C8 40 13 C8 40 13 C8 40 13 C8 40 13 C8 40
Writing 0x000000 .. 0x00ffff: [erasing] [writing................] [readback................]
Writing 0x010000 .. 0x01ffff: [erasing] [writing................] [readback................]
Writing 0x020000 .. 0x020fbb: [erasing] [writing.] [readback.]
DONE.
To change this sketch, edit blinky.v, and then call:
make blinky.prog
This will synthesize and flash the sketch. It might take a minute or two.
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