SPI slave from https://www.fpga4fun.com/SPI2.html
[trilby-hat-fpga] / openocd / trilby.cfg
2021-12-30 Dobrica Pavlinusicecppack --compress needs slower speed < 2000
2021-12-28 Dobrica Pavlinusicspeed up to 2Mhz which seems to be max
2021-12-28 Dobrica Pavlinusicturn on all leds