Raspberry Pi

I’ve got a Raspberry Pi since a while back. I placed an order the morning┬áthe Pi was released. However, I also have a newborn and a four years old, so progress on the Pi has been slow. Now, finally, I have a setup that I’m pleased with.

I use my Nokia N900 charger, a non-name powered USB HUB, and a d-link DWA-131 wifi USB dongle. This page is a great resource for selecting periphials. The only draw-back right now is that the HUB and Pi draw power using separate supplies. Sharing a single 5V feed would reduce the need to free wall sockets from two to one :-)

For casing, I use a self-printed Raspberry Pi case with GPIO-access. However, I’ve not had time to fiddle around with the GPIOs just yet. The case fits nicely onto my noname USB HUB, so I’ve joined the two using a piece of velcro. The look is not very stylish, but the packaging is nice.

For software, I use the Raspbian image featuring debian built for armv6 with hard-float. I also use the qt50-snapshot from here (look under nightlies). That image is missing qmlscene and qmake, so for development, I guess I have to setup a cross compiler, or spend 4-5 days compilation time building a Qt 5 snapshot on the Pi myself. Not having qmake is sort of ok – compilation times are bound to be long, but qmlscene would had been nice, to be able to do local QML development.

I’ve had Qt 5 working from a snapshot for Debian wheezy with softfloat which had qmlscene pre-built. The framerate is nice, so it felt as if there was true potential there. I’m looking forward to being able to build my own little C++ QML extension and try it out for real.

Pics, code and more info will follow.

5 thoughts on “Raspberry Pi”

  1. Hey Johan,

    I have a similar setup for my raspPi, and I am powering it directly from the USB hub, together with a USB hard drive….

    As long as it is a powered USB hub, it should work for you too, shouldn’t it?


  2. qmake or qmlscene are pretty essential for development indeed!
    It would be great if you could help the team that makes the raspberry pi packages. I have RasPi too, but so far did not manage to build up to date Qt5 packages that I could use for development.

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