From: Alexis C. <chi...@ya...> - 2007-02-27 17:45:56
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Thanks Chris, I would certainly appreciate some sample files ! In the meantime, I'll start cross-compiling the library (from www.libgd.org. right ?) Best, Alexis. ----- Original Message ----- From: "Chris Dollar" <chr...@gm...> To: "General mailing list for gumstix users." <gum...@li...> Sent: Tuesday, February 27, 2007 12:16 PM Subject: Re: [Gumstix-users] Remote display, directfb, vncserver.... > I've not tried directFB, so I can't really comment on that, but I too > found X and qtopia to be to heavy for what I really needed for my > graphical app. What I ended up using was the gd graphics library to > create the images for my display and them mmap() the framebuffer to > write the generated gd image to the display. If you wanted to give > this a try I could whip up some sample code for you to have a look at. > > Chris > > On 2/26/07, Alexis Chiarello <chi...@ya...> wrote: >> Hi Lauri, >> >> The thing is I don't need X at all for my graphical app, as this is going >> to >> be a dashboard for my track motorcycle (+ data acquisition, so I thought >> playing with framebuffer directly would be better. I actually tried to >> use >> DirectFB as it seems to be a nice graphical library, managed to >> cross-compile it but once I try using test apps on the gumstix, I get >> "segmentation fault" (after some credits text appears so some is working) >> and don't really know where to look at. >> >> Did anyone manage to use directFB here ? I am pretty sure I get the >> segmentation fault message because of a bad option while compiling, >> however >> I used the stock buildroot friendly makefile from SVN. >> >> Thx anyway for your help ! >> >> Alexis. >> ----- Original Message ----- >> From: "Lauri Kaila" <lau...@gm...> >> To: "General mailing list for gumstix users." >> <gum...@li...> >> Sent: Monday, February 26, 2007 12:54 AM >> Subject: Re: [Gumstix-users] Remote display, directfb, vncserver.... >> >> >> > 2007/2/25, Alexis Chiarello <chi...@ya...>: >> > >> >> Since I managed to have a framebuffer working by downgrading to 2.6.18 >> >> kernel, time for me to program my graphical app... >> >> >> >> However, the funny thing is that I still don't have any LCD hooked >> >> in.... >> >> So >> >> my question is : is there any way to have a sort of vnc implementation >> >> on >> >> the gumstix ? What I want is "simple" : just send to a client side the >> >> current content of my framebuffer so I can delay the purchase of my >> >> LCD... >> > >> > Hi Alexis, >> > >> > Do you really need framebuffer? I don't know if this would work, but I >> > would suggest using remote X Window server on your Linux desktop via >> > TCP/IP - assuming the graphical app is an X app. With a nested X >> > server (Xnest or Xephyr) it's possible to simulate screen size of the >> > LCD. >> > >> > -lauri >> > >> > ------------------------------------------------------------------------- >> > Take Surveys. Earn Cash. Influence the Future of IT >> > Join SourceForge.net's Techsay panel and you'll get the chance to share >> > your >> > opinions on IT & business topics through brief surveys-and earn cash >> > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV >> > _______________________________________________ >> > gumstix-users mailing list >> > gum...@li... >> > https://lists.sourceforge.net/lists/listinfo/gumstix-users >> >> >> ------------------------------------------------------------------------- >> Take Surveys. Earn Cash. Influence the Future of IT >> Join SourceForge.net's Techsay panel and you'll get the chance to share >> your >> opinions on IT & business topics through brief surveys-and earn cash >> http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV >> _______________________________________________ >> gumstix-users mailing list >> gum...@li... >> https://lists.sourceforge.net/lists/listinfo/gumstix-users >> > > ------------------------------------------------------------------------- > Take Surveys. Earn Cash. Influence the Future of IT > Join SourceForge.net's Techsay panel and you'll get the chance to share > your > opinions on IT & business topics through brief surveys-and earn cash > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > _______________________________________________ > gumstix-users mailing list > gum...@li... > https://lists.sourceforge.net/lists/listinfo/gumstix-users |