GUI for embedded systems
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From: msr on 12 May 2010 17:27 Hello, Could someone point me to something that could help me creating/understanding GUI for embedded systems in general? What's the "easier" (I know "easy" could be relative) to get GUI on an embedded system? The hardware I'm looking for is ARM-based microcontrollers (Cortex M3, ARM7 or ARM9). I think Qt could be a solution right? However I would like to know "lighter" alternatives. Thank you! --------------------------------------- Posted through http://www.EmbeddedRelated.com
From: Tim Wescott on 12 May 2010 19:08 msr wrote: > Hello, > > Could someone point me to something that could help me > creating/understanding GUI for embedded systems in general? What's the > "easier" (I know "easy" could be relative) to get GUI on an embedded > system? > > The hardware I'm looking for is ARM-based microcontrollers (Cortex M3, ARM7 > or ARM9). > > I think Qt could be a solution right? However I would like to know > "lighter" alternatives. Search around for "PEG" (I think it stands for "Portable Embeddable Graphics"). I've seen it used to great advantage in a nice small system. At the time (10 years ago) the licensing was reasonable, but it is $$ software. Depending on the demands of your GUI you may just want to roll your own -- Qt is, AFAIK, a "big system" GUI-maker; I very much doubt that it'll be even remotely as light weight as PEG. -- Tim Wescott Control system and signal processing consulting www.wescottdesign.com
From: D Yuniskis on 12 May 2010 19:39 msr wrote: > Could someone point me to something that could help me > creating/understanding GUI for embedded systems in general? What's the > "easier" (I know "easy" could be relative) to get GUI on an embedded > system? That depends a lot on the nature of your application -- the hardware you have available (for the display, "pointing device", etc.) as well as the sophistication of that UI and the other responsibilities of the system as a whole... > The hardware I'm looking for is ARM-based microcontrollers (Cortex M3, ARM7 > or ARM9). And what are you planning on using for the display, etc.? Are you looking at a QVGA panel? Something *smaller*? Larger? Color/monochrome, etc.? > I think Qt could be a solution right? However I would like to know > "lighter" alternatives. Qt is bloated. What can you *afford* in your hardware budget (processing power, CODE+DATA resources, etc.)? I've enjoyed using Inferno for small/quick-turnaround projects. The UI is Tk based (some folks find that wonderful; others find it regrettable :> ). Not as glitzy as some other approaches but you can hammer out a UI in very little time (taking advantage of the nature of Tk). I haven't sorted out where it sits on the performance curve... but, I imagine it is on a par with a Qt solution in terms of processor burden. (I have an app running on a 90MHz *486* that yields "tolerable" response times!) Of course, you're pretty much stuck with Inferno itself if you go this route (which "some folks find that wonderful; others find it regrettable" ;-) HTH
From: Rich Webb on 12 May 2010 20:04 On Wed, 12 May 2010 16:27:06 -0500, "msr" <mario.ribas(a)n_o_s_p_a_m.gmail.com> wrote: >Hello, > >Could someone point me to something that could help me >creating/understanding GUI for embedded systems in general? What's the >"easier" (I know "easy" could be relative) to get GUI on an embedded >system? > >The hardware I'm looking for is ARM-based microcontrollers (Cortex M3, ARM7 >or ARM9). > >I think Qt could be a solution right? However I would like to know >"lighter" alternatives. Scale? A one-off for your own learning/experimenting or thousands of units per month in a life-critical application environment? On the one-off, it's for fun end of things, look at the BlueScreen dev board at Sparkfun <http://www.sparkfun.com/commerce/product_info.php?products_id=8858> The color touchscreen LCD is pretty easy to drive and it gives you a chance to roll yer own primitives and build up from there. -- Rich Webb Norfolk, VA
From: tim.... on 13 May 2010 05:46 "Tim Wescott" <tim(a)seemywebsite.now> wrote in message news:vLKdnU6MRaGTqHbWnZ2dnUVZ_tgAAAAA(a)web-ster.com... > msr wrote: >> Hello, >> >> Could someone point me to something that could help me >> creating/understanding GUI for embedded systems in general? What's the >> "easier" (I know "easy" could be relative) to get GUI on an embedded >> system? >> >> The hardware I'm looking for is ARM-based microcontrollers (Cortex M3, >> ARM7 >> or ARM9). >> >> I think Qt could be a solution right? However I would like to know >> "lighter" alternatives. > > Search around for "PEG" (I think it stands for "Portable Embeddable > Graphics"). I've seen it used to great advantage in a nice small system. > At the time (10 years ago) the licensing was reasonable, but it is $$ > software. > > Depending on the demands of your GUI you may just want to roll your own -- > Qt is, AFAIK, a "big system" GUI-maker; I very much doubt that it'll be > even remotely as light weight as PEG. Though PEG has some limitations. (Unless it has changed since I looked at it) it doesn't provide built in menu/dialog creation. If your GUI requires these features you have to build them yourself from the basis building blocks that PEG provides. BTW PEG is a C++ class library. If the OP wants to code in C he needs the C/PEG varient tim
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