On 9/10/14, 6:15 AM, "Peter Gregory" <[email protected]> wrote:
>I'm trying to get a good development system up and running for Beaglebone >Black and Ubuntu. >The goal is to launch an embedded GUI application on a LCD cape on boot. >The application will control a hardware project and that is all it does. >So it will be a special purpose device, not a general server. >The hardware leverages the Linux OS for WiFi, Sound, Graphics. > >I'm open to using several development environments, QT, Mono, Java >Swing... > I am on a Beaglebone Black rev B, so I'm limited to 2gb storage. >I'll need to have room for the application, so minimal size on the OS is >needed. > >I tried to get a minimal system working with Ubuntu Trusty (14.04) >following the instructions to get the custom kernel running and SGX >drivers. >I could get the SGX demos to work (evil morphing skull works great) but >could not get the X server to work. If you read the SGX release notes, Xorg is not supported. http://processors.wiki.ti.com/index.php/RN_5_01_01_01#What_is_not_supported TI are going to support wayland instead. Regards, John >The desktop would load, and show the login screen. >Keyboard works, so I can log in. >However, if I move the mouse, the system would freeze up solid. Reboot >is the only option. >I used a cross compiler machine to build QT applications. Console apps >worked great. GUI failed. >I could get the pre-compiled examples to work with LinuxFB (Fingerpaint) >but my custom compiled GUI would not work. > >I dropped back to precise (12.04) and QT 4.8 >X server works well for that version, but it is a bit slow. >Loading the entire desktop allows me to run QT GUI programs. >Now I'm trying to get a minimal X server QT build working. >I don't need the desktop, just enough of X server to run QT applications. >Has anyone been able to get a good minimal embedded QT environment to >work? >If so, did you do it using linux packages or compiling and installing >source code? >Did you end up installing the entire desktop or is there a minimum X >server install that will run QT applications? > >-- >For more options, visit http://beagleboard.org/discuss >--- >You received this message because you are subscribed to the Google Groups >"BeagleBoard" group. >To unsubscribe from this group and stop receiving emails from it, send an >email to [email protected]. >For more options, visit https://groups.google.com/d/optout. -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
