On Fri, Jan 30, 2009 at 7:42 PM, Paul Breed <p...@rasdoc.com> wrote: > I subscribed to the dev list for some development advice for the OLPC.
This is probably the best list. There is also irc.freenode.net #olpc-devel > My reason for using the OLPC is not to help in the developing world, > it because I'm working on a long term project in the Mojave Desert and > unit is robust and the display can be read in the noon day mojave sun. > > The project is a Rocket. My 22yr old son and I are working on it together. > > See: > http://www.youtube.com/watch?v=dacpVhUnEXw&feature=channel_page > > > I'm a very skilled embedded C/C++ programmer. (Full bare metal > custom, not linux/uclinux see www.netburner.com) > > I also used to make my living doing professional custom UI's in mfc > /windows 98/xp/nt etc... > > I love working on the command line, but am weak in the linux > configuration area. > > My son does webserver python stuff buy has ZERO gui experience, I > have lots of GUI experience but exactly 2 days of python experience. > > > I basically want the OLPC to be a front panel for the headless > embedded computers that > run the rocket. > > My telemetry system and the main computer on the rocket are all > communicating with UDP > packets. Where needed the acknowledgement occurs at the application > layer, not the network layer ala tcp. > I do this for better control of the real time latency where it matters. > > The operational communications is all advisory and tuning, we have > separate hardware radio abort systems. > The setup and configuration operations are not real time, but we > still use the UDP > system so we don't have two different comm prototcols. > > So I need to setup to send/receive UDP packets based on some buttons, > combo boxes and spin controls. > Draw a few simple graphs/2d plots etc.... > I've already written the apps I need in windows/mfc and total time > invested on the PC side is about 2 weeks. > So I want to recreate them here. > I've been playing with the pygtk both on a windows PC and the OLPC > and it seems like I can write > what I need to. > > My questions are going to be a mix of both pyGTK /Python and linux on > OLPC questions. > So I'm looking for the right venue to ask. > > I have several specific questions right now: > > I can't use the WiFi as 2.4Ghz is already used and I don't want interference. > I've ordered a Ethernet USB dongle that is supposed to be OLPC compatible. > > If I just plug that in will the OLPC recognize it and use it? If it is one of the ones listed in the wiki, it should probably just work. > How do I configure that network port with a static IP configuration? You can configure a static ip address using ifconfig from the command line. You'll need to be root. > How do I tell pygtk on the PC to open with a window the same size > (pixel wise) as it will be on the OLPC? I don't know what window manager you are using on the PC (or what operating system), but the emulators will try to run at 1200x900 if they can. > > Can I plug in something that looks like an external USB keyboard and > have it recognized? yes. > How hard is it to modify the pygtk keyboard focus navigation stuff so > I could use the OLPC in tablet mode > rather than laptop mode? Should just work. There are some examples of using the buttons on the screen in the Sugar Almanac in the OLPC wiki. > > Is there any simple way to reclaim the OLPC key that changes display > orientation so I could have > one more ui button in tablet mode? > I don't recall off the top of my head where it is defined, but it is simply a matter of changing a table entry. > I need three different apps, Configruation, PRelaunch > checklist/countdown and Fligth status. > > I need to be able to quickly switch between all three > One Big app with notebook/tab style pages? > Or three apps, if so how do I switch quickly on the OLPC? Alt-Tab > > Do I want to leave the stock OLPC software in place or would I find a > more traditional linux installation more friendly. > (Or at least less wierd) > > Where could I go and get a linux image that will just run on the OLPC. There is a stock Fedora image available. http://fedoraproject.org/wiki/OLPC > If I went to a traditional Linux distro could I do GTK UI's in C/C++ > on this machine? Yes. > > > > > Thanks for any help on what is really an off topic post.... > > > Paul > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > _______________________________________________ > Devel mailing list > Devel@lists.laptop.org > http://lists.laptop.org/listinfo/devel > -- Walter Bender Sugar Labs http://www.sugarlabs.org _______________________________________________ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
