28: Programming a Spartan 6 with a Raspberry Pi

For anyone who is interested in programming a Spartan 6 FPGA directly from a Raspberry Pi’s JTAG pins. Step 1 – Install Open OCD sudo apt-get update sudo apt-get install git autoconf libtool make pkg-config libusb-1.0-0 libusb-1.0-0-dev telnet git clone git://git.code.sf.net/p/openocd/code openocd-code cd openocd/ ./bootstrap ./configure –enable-sysfsgpio –enable-bcm2835gpio make sudo make install Step 2 – …

26: Mechanical updates

As you have likely seen, the Globe prototype was a mechanical monstrosity, comprised of a hefty steel frame, top, bottom and rear panels, and corner protectors, a 3 phase squirrel cage motor and a 70cm 38.1mm diameter aluminium shaft. Aside from being obscenely heavy, it was also rather expensive, so my focus at the moment …

24: All systems go

We have been funded on Kickstarter, which is great! It will be another couple of weeks before any money shows up in the business accounts so in the mean time I can be doing a load of admin. I will be migrating this blog from wordpress.com to wordpress.org over the next couple of days. Theoretically …

23: Live on Kickstarter again

New link https://www.kickstarter.com/projects/205276705/globe-a-spherical-persistence-of-vision-display After a cock up with the title (mostly my fault) the project has been re-re launched with its lower funding target. Everything else is pretty much the same, the only major difference is that Globe will have an acrylic display case rather than glass, saving a load of money and therefore allowing me …

20: Nearing the end

So last Friday wasn’t the day…nor was any day this week, however the end is in sight. It’s been a trying week, soldering HDMI cables onto connectors…again…and again inside of a metal box, chasing down potential shorts and generally getting annoyed with some of the design choices I made long ago. So far I have …