GUI for embedded systems
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From: Tim Wescott on 13 May 2010 13:07 tim.... wrote: > "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 Qt is also C++. But yes, if he wants C he needs something different. -- Tim Wescott Control system and signal processing consulting www.wescottdesign.com
From: Not Really Me on 14 May 2010 10:20 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. > > Thank you! > Also look at uC/GUI from Micrium/Segger. It should do what you want. -- Scott Validated Software Lafayette, CO __________ Information from ESET NOD32 Antivirus, version of virus signature database 5115 (20100514) __________ The message was checked by ESET NOD32 Antivirus. http://www.eset.com
From: msr on 14 May 2010 11:17 Thank you all for the responses and suggestions! English is not my mother tongue, so I have some difficulty in express myself clearly, but if you dont mind I will try to explain my doubts better. I would like to understand how GUIs are made in general (ie, depending on the requirements, from the most demanding to the less demandig). From a simple mp3 player GUI (monochromatic) to industrial displays controlling/monitoring machines (color, few buttons on the screen, dialogs, menus, etc). For the most demanding systems, maybe Qt+Linux+WinCE were some (which more?) of the keywords. But what about "smaller" systems? Say, I have a board (pcb) which controls a robotic arm and I want a small user-interface (a "specialized" LCD, not a desktop or laptop) to interact with that (move up, move down, etc). How can I acomplish that? What frameworks/libraries/toolsuites are there to create small embedded GUI? (note that Im looking at ARM, so 32 bit microcontrollers) Thanks again! --------------------------------------- Posted through http://www.EmbeddedRelated.com
From: Tim Wescott on 14 May 2010 12:01 msr wrote: > Thank you all for the responses and suggestions! > > English is not my mother tongue, so I have some difficulty in express > myself clearly, but if you dont mind I will try to explain my doubts > better. > > I would like to understand how GUIs are made in general (ie, depending on > the requirements, from the most demanding to the less demandig). From a > simple mp3 player GUI (monochromatic) to industrial displays > controlling/monitoring machines (color, few buttons on the screen, dialogs, > menus, etc). > > For the most demanding systems, maybe Qt+Linux+WinCE were some (which > more?) of the keywords. But what about "smaller" systems? > > Say, I have a board (pcb) which controls a robotic arm and I want a small > user-interface (a "specialized" LCD, not a desktop or laptop) to interact > with that (move up, move down, etc). How can I acomplish that? > > What frameworks/libraries/toolsuites are there to create small embedded > GUI? I think the first thing you may be missing is that many smaller GUIs are hand-rolled for the purpose at hand. A really basic graphics framework (like PEG), is mostly there to manage frames, keep track of which frames are 'above' others, and make sure that the 'top' frame doesn't get painted over by a 'lower' one. But when you get right down to it, someone still has to think through what a typical user is going to be comfortable with, and program an interface that works -- there are guidelines that you can follow for that, but I know of no frameworks* for such systems. * Commercial ones. Every place I've ever worked at but one that had a GUI with menus has ended up with at least a rudimentary menuing system that captures menu behavior in some object-oriented way. -- Tim Wescott Control system and signal processing consulting www.wescottdesign.com
From: tim.... on 14 May 2010 13:32 "msr" <mario.ribas(a)n_o_s_p_a_m.gmail.com> wrote in message news:3YKdndKtObsJ9HDWnZ2dnUVZ_uCdnZ2d(a)giganews.com... > Thank you all for the responses and suggestions! > > Say, I have a board (pcb) which controls a robotic arm and I want a small > user-interface (a "specialized" LCD, not a desktop or laptop) to interact > with that (move up, move down, etc). How can I acomplish that? I still don't see that you need a complex GUI to control this. Unless perhaps you are wanting to draw a "map" of the arm's location, on the screen. Or are you using a touch screen? > What frameworks/libraries/toolsuites are there to create small embedded > GUI? The BSP that comes with development boards should be sufficient for a basic textual GUI. Do you need anything more complicated than this? tim
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