State of the test farm
Eric S. Raymond
esr at thyrsus.com
Mon Jun 6 21:53:12 UTC 2016
Five Pis and an Odroid are now up and running, fully configured, and
ready for test/profiling use. The mix looks like this:
au RasPi 2 Blue-wired SKU 424254
cu RasPi 3 Uputronics GPS HAT
fe RasPi 3 Adafruit GPS HAT
nd RasPi 3 Adafruit GPS HAT
ne RasPi 3 Adafruit GPS HAT
xe Odroid C2 Adafruit GPS HAT
Important caveat: the Odroid lacks the kernel support to do 1PPS. Until I
can beat Hardkernel into fixing that, it will be useful mainly as a safe
places to attach GPS pucks. I have a GR-601W, a GR-701-W, a Garmin 18, and
several SiRF-III and SiRF-IV devices available to be attached on request.
Accounts on all machines are available now. Email me for the confidential
access details.
The farm rack isn't built yet; you may want to hold off long-duration
tests until I finish that, but now would be a good time to get
familiarized. I've found a friend who will be happy to let me
prototype a rack bay with his kids' Legos (so I can know what I need
to order from BrickLink) but not yet scheduled the excursion.
Except for the rack, I think the buildout is done at this point - at least
until we get a BeagleBone cape to work with
This was more work than you might guess. I had to firm up my
newbie-level skills and become a pretty good hand at light component
soldering to put together the Adafruit HATs. Phil Salkie and I had to
diagnose and blue-wire around a design fault in the SKU board. Two
cases needed Dremeling. Thirteen cables, a ten-port USB hub, and an
eight-port Netgear switch were involved - there were cable tangles
worthy of Lovecraft and considerable profanity before I finally figured
out how to organize it controllably.
Followup coming on the state of the HOWTO.
--
<a href="http://www.catb.org/~esr/">Eric S. Raymond</a>
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