On Fri, Jun 10, 2016 at 8:14 PM, Vladimir Gusiatnikov <[email protected]> wrote: > I failed earlier with BB VIEW and Debian 8.4 because I downloaded a patched > 3.8.13 kernel from element14 (formerly Newark). element14 is the current > vendor of the BB VIEW cape. The patches are offered at > https://www.element14.com/community/docs/DOC-67958/l/element14-bb-view-lcd-cape-software-download-centre1 > . Idiot me, I thought these were current. > > I then attempted to follow instructions found on element14's bulletin boards > to install the patches. Most or all of the destinations to which posters > advised to install files found in > http://downloads.element14.com/downloads/bb-view/BB%20VIEW%20Debian%20Image.zip?COM=BeagleBoneBlack > were non-existent either in 7.9 (which pre-existed on BeagleBone Black) or > in 8.4. Eventually I figured out where to install the files, however note > that I most certainly ended up replacing something in 8.4 that was not meant > to be replaced. It appears that the patches were targeted solely at 7.9. > > What I ended up with in 8.4 was, past a display calibration screen, a > working BB VIEW with LCD4. However X would not start. I only had the login > prompt. So, I could not understand whether the touch was working or not. I > then found a statement from someone apparently at element14 who is > responsible in some way for BB VIEW. The statement was "BB-VIEW is supported > (with patches [...]) on kernel 3.8.13 [...] Support for BB View on 4.1.x > kernel is not yet available." > https://www.element14.com/community/community/designcenter/single-board-computers/next-gen_beaglebone/blog/2015/05/20/beaglebone-black-with-the-bbview-and-the-new-beaglebone-debian-image#comment-68910 > > Therefore I reverted to 7.9. > > I just now followed Robert's instructions. I started with the 8.4 image > downloaded from > https://debian.beagleboard.org/images/bone-debian-8.4-lxqt-4gb-armhf-2016-05-13-4gb.img.xz > . I modified two lines in /boot/uEnv.txt as above. I didn't edit > /etc/X11/xorg.conf because it said DefaultDepth 24 and contained no > instances of 16. I made absolutely no changes to anything else on the > distribution, only the two lines in /boot/uEnv.txt . I then booted off the > SD card. > > What I got was a half-screen-wide calibration screen, followed by a > half-screen-wide desktop. That is, the image on the screen contained the > entire Debian desktop, but was 240 px wide and 272 px tall, compressed along > the x axis. The orientation was normal and the cursor tracked correctly.
That sounds like 16bit mode.. Which is default: https://github.com/RobertCNelson/omap-image-builder/blob/master/target/chroot/beagleboard.org-jessie.sh#L121 run: sudo sed -i -e 's:16:24:g' /etc/X11/xorg.conf > > Also, the Ethernet-over-USB link did not start correctly. On my Windows > host, I saw the host's IP address as 169.254.240.185 and not as 192.168.7.1 > as in 7.9 (with BeagleBone itself being 192.168.7.2 in 7.9). > > I then rebooted the BeagleBone again, and this second time the Ethernet link > came up as 192.168.7.1 / 192.168.7.2. But, I still have the half-size > display image. A number of error messages are output to terminal before X > starts, filling up most of the screen (this was also the case earlier with > 8.4, but not with 7.9). Regards, -- Robert Nelson https://rcn-ee.com/ -- 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]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CAOCHtYiPHX%2BKjz7t8fgk3QGNmdT_1zTrJ6ByGQ_godKnHTJHOg%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
