The canonical “Hello, world!” of hardware is to blink a LED. The
directory vhdl/blink contains a VHDL example of a blink
project. This takes the 48 MHz clock and divides it down by a large
number so you get an on/off pattern.
Enter the vhdl/blink directory and build the demo by using make:
You can then load blink.dfu onto Fomu by using makeload or the same
dfu-util-D command we’ve been using so far. You should see a blinking pattern of
varying color on your Fomu, indicating your bitstream was successfully loaded.