From: William Hermans <[email protected]> Reply-To: "[email protected]" <[email protected]> Date: Tuesday, July 29, 2014 at 12:00 AM To: "[email protected]" <[email protected]> Subject: Re: [beagleboard] SPi, I2C, GPIO and Qt5 on BBB
> Ah right, I was thinking in the context of 3.8.x version. 3.13.x is EOL I > believe ( meaning end of life ) That appears to be OpenGLES2, but frame > buffer support only. > > From what I understand, TI made the choice of "supporting" 3.13.x branch with > the SGX hardware. capremgr was in 3.8.x, and based on Roberts guide, 3.15.x > has better ethernet, and usb support. > > As for why the branches are done this way ? I'm not a kernel developer so I'm > not 100% sure. However I could imagine that it is a lot of work setting all > this up plus scripts / instructions for building etc. I've seen Robert say > several times "patches welcome", so I'm assuming he may not wish to duplicate > his own work across branches. But this is just speculation on my own behalf. > > I'd be willing myself to work on getting capemgr as is working on 3.8.x into > 3.15.x myself. But since I'm fairly inexperienced in this area I'd need time, > and a mentor ( as in to guide me, not to pay me ). Looks like the capemgr functionality will be in V3.17: https://lkml.org/lkml/2014/7/27/57 Regards, John > > > > On Mon, Jul 28, 2014 at 11:18 PM, Cedric Malitte <[email protected]> > wrote: >> I just followed >> http://eewiki.net/display/linuxonarm/BeagleBone+Black#BeagleBoneBlack-SGX for >> the opengl part, built against v3.13.11-bone12 >> >> Must say I feel lost with all those features appearing and disappearing with >> the kernel releases. >> >> Le mardi 29 juillet 2014 00:38:32 UTC-4, William Hermans a écrit : >>> If you get OpenGLES working on the BBB I'd be interested in how you did it. >>> I like to read about geeky things like this ;) However last I remember this >>> was not possible with the way software support is. Hopefully that will >>> change if not already. >>> >>> >>> On Mon, Jul 28, 2014 at 8:35 PM, Cedric Malitte <[email protected]> >>> wrote: >>>> Thanks William, >>>> >>>> I tried to compile kernel 3.13, GFX libraries , all fine. >>>> Copied all the stuff on a SD card and booted... well, everything here but >>>> screen ! >>>> >>>> I need to find how to enable LCD4 cape with new kernel. >>>> >>>> That said, I tried to compile qt4.8.6 with opengl es2 and I have an error: >>>> make[4]: entrant dans le répertoire « >>>> /home/cedric/qt4-bbb/downloads/qt-everywhere-opensource-src-4.8.6/src/plugi >>>> ns/gfxdrivers/powervr/QWSWSEGL » >>>> /home/cedric/bb-kernel/dl/gcc-linaro-arm-linux-gnueabihf-4.8-2014.04_linux/ >>>> bin/arm-linux-gnueabihf-gcc -c -pipe -O3 -march=armv7-a -mtune=cortex-a8 >>>> -mfpu=neon -mfloat-abi=hard -Wall -W -fPIC -DQT_NO_QWS_CURSOR >>>> -DQT_QWS_CLIENTBLIT -I../../../../../mkspecs/qws/linux-TIarmv7-sgx-g++ -I. >>>> -I/home/cedric/qt4-bbb/downloads/tslib/src >>>> -I/home/cedric/bb-kernel/ignore/SDK_BIN/Graphics_SDK_setuplinux_5_01_01_01/ >>>> GFX_Linux_SDK/OGLES2/SDKPackage/Builds/OGLES2/Include >>>> -I/home/cedric/bb-kernel/ignore/SDK_BIN/Graphics_SDK_setuplinux_5_01_01_01/ >>>> GFX_Linux_SDK/OGLES2/SDKPackage/Builds/OGLES2/LinuxOMAP3/Include/ >>>> -I/home/cedric/bb-kernel/ignore/SDK_BIN/Graphics_SDK_setuplinux_5_01_01_01/ >>>> include >>>> -I/home/cedric/bb-kernel/ignore/SDK_BIN/Graphics_SDK_setuplinux_5_01_01_01/ >>>> GFX_Linux_SDK/OGLES/SDKPackage/Builds/OGLES/Include -o >>>> .obj/release-shared-emb-arm/pvrqwsdrawable.o pvrqwsdrawable.c >>>> In file included from pvrqwsdrawable.c:42:0: >>>> pvrqwsdrawable_p.h:56:19: fatal error: pvr2d.h: Aucun fichier ou dossier de >>>> ce type >>>> #include <pvr2d.h> >>>> >>>> Means no such file, although I have applied patches from >>>> https://github.com/prabindh/qt-configs/tree/master/qt4.8 >>>> <https://github.com/prabindh/qt-configs/tree/master/qt4.8> >>>> >>>> Still trying..... >>>> >>>> >>>> >>>> 2014-07-27 23:56 GMT-04:00 William Hermans <[email protected]>: >>>>> Cedric, Hi, >>>>> >>>>> For starters: http://eewiki.net/display/linuxonarm/BeagleBone+Black >>>>> <http://eewiki.net/display/linuxonarm/BeagleBone+Black> this is Roberts >>>>> "build your own" guide. >>>>> >>>>> http://eewiki.net/display/linuxonarm/BeagleBone+Black#BeagleBoneBlack-Root >>>>> FileSystem%28smallflash%29 >>>>> <http://eewiki.net/display/linuxonarm/BeagleBone+Black#BeagleBoneBlack-Roo >>>>> tFileSystem%28smallflash%29> This base image is around 75M in size for me >>>>> without anything else installed. WIth openssh-server, and ntpdate, I think >>>>> around 91M size total. >>>>> >>>>> As for the rest of your questions: I do not know personally. I do not use >>>>> QT, or an LCD. As I run headless, and have no interest in either for my >>>>> own purposes. Instead I use my own BBB as kind of a network appliance by >>>>> using Nodejs. >>>>> >>>>> >>>>> On Sun, Jul 27, 2014 at 3:18 PM, Cedric Malitte <[email protected]> >>>>> wrote: >>>>>> Hi all, >>>>>> >>>>>> while waiting for the new kernel to compile, I ask for advices ! >>>>>> >>>>>> I have a new project about reading sensors, analyzing them, and graph >>>>>> them on a portable unit. >>>>>> >>>>>> I studied the "doable" thing on a PIC. It was fine to a certain point >>>>>> using a FT800 Eve chip for graphical LCD. >>>>>> Until... the mechanical engineer asked for new features like 20KSps >>>>>> sampling of 4 sensors.... >>>>>> Too much amount of data for a simple pic circuitry. To be able to do >>>>>> that, I'll have to use buffers and so on... >>>>>> So exit the PIC, welcome BBB. >>>>>> >>>>>> Recordings will be made using AD8326 ADCs in a SPI like bus, that I'll >>>>>> drive using bit-banging IOs. This way I'm able to read n Adcs at a time >>>>>> because I need data to be sampled at the exact same time for each sensor. >>>>>> Will use the PRU route because of precise timing needed. >>>>>> >>>>>> For now I'm experimenting on the freshly arrived BBB. >>>>>> >>>>>> I played a bit on cross compiling Qt4, was fine without OpenGLES will try >>>>>> with it and might even try Qt5. >>>>>> >>>>>> Where I need advices is about this: >>>>>> - which kernel and/or distribution (testing on debian for now ) to use in >>>>>> order to be able to use QtQuick, mean openGLES as I read ? >>>>>> - I use Robert miraculous scripts, but I'd like to strip down the >>>>>> distribution to almost bare, I'll be using just SSH and Qt qws for >>>>>> display. >>>>>> - which are the mandatory kernel drivers for the BBB board in order to >>>>>> have it running with LCD cape with openGL, SPI , I2c and GPIO available >>>>>> for Qt ? >>>>>> >>>>>> >>>>>> I read a lot, but information is surprisingly fast outdated. >>>>>> I'm new to linux kernel. Even if I maintain some servers, I never had a >>>>>> look at the kernel building. >>>>>> I'm used to FreeBSD one as I have been building a few things around Geode >>>>>> processors and played a lot at shrinking system to fit on small CF cards. >>>>>> But that's another life :) >>>>>> >>>>>> Thanks for your help and guidelines. >>>>>> >>>>>> -- >>>>>> 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 >>>>>> <https://groups.google.com/d/optout> . >>>>> >>>>> -- >>>>> For more options, visit http://beagleboard.org/discuss >>>>> --- >>>>> You received this message because you are subscribed to a topic in the >>>>> Google Groups "BeagleBoard" group. >>>>> To unsubscribe from this topic, visit >>>>> https://groups.google.com/d/topic/beagleboard/RszCacZ3gGg/unsubscribe >>>>> <https://groups.google.com/d/topic/beagleboard/RszCacZ3gGg/unsubscribe> . >>>>> To unsubscribe from this group and all its topics, send an email to >>>>> [email protected]. >>>>> For more options, visit https://groups.google.com/d/optout >>>>> <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 >>>> <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. > > > -- > 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.
