Has anyone gotten the 7" BB-view to work with the current recommended image from 3-1-2015? 

Hello,

as a beginner i thank you so much for this!

It worked out well until I got to the part, where I should copy the ne kernel to the "/boot/uboot" directory on the BBB.

I was able, to copy the file to the BBB, even to different directories. But on my beagle, i cannot find "boot/uboot".
If i am in "root@beaglebone:/boot#"  and run "ls",  it shows me other files (,am335....dtb, omap....dtb, uImage, uEnv.txt) but no other folder..

So my questions are:

Where can I find the correct directory and what is the name of the "old" kernel i have to overwrite ?

Would be great, if you could help me!
greets

Hello everyone,

i recently bought the BB-View 7' for one hundred euros and now i am totally frustrated !!

1.) I downloaded the image of TI -> works fine including the touchpad, but only demo-functions. Great, it's not possible to leave this demo...

2.) With an old debian image 3.8.13-bone47 ( the original image when i bought this part ), i bring it to work. Everything is fine, but the Touchpad doesn't work correct

     X and Y swapped, why ? on the shop page i read "debian support".

3.) So i tried the descriptions of Louis.

     Everything works until the line "./tools/rebuild.sh" there comes an error not finding BB-VIEW-LCD7-01-00A0.dtbo --> thats clear because in the Angstrom Sources

     there is no BB-VIEW-LCD7-01-00A0.dts there is only A1,A2,A3,A4. So trying A4 but no luck.

     why ? on the shop page i read "debian support".

4.) Next point : in the image described above there is a /uboot/ folder with a zImage. In the currrent image there is no "zImage" anymore . The folder /boot/uboot is empty.

     Instead there are a lot of other files, so copying a zImage to this folder doesn't have any effect.

5.) I cannot find any Angstrom image that automatically flashes to eMMc. All that i have tried are only booting from sd-card. So i cannot try the bb-view with angstrom

No my question to anyone visiting this forum :

a) Is there any solution to swap X and Y without kernel modification/compilation/patching.... ?

b) Is there a possibility to work with bb-view without spending days of searching for solutions, and without compiling a new kernel ?

c) Why there is no real support for debian, the BBB is shipped with debian no with angstrom ?

d) Why is nobody of element14 or farnell interested in a solution. Do they only sell and forget ?

Maybe i have to say i am a programmer, and not a "kernel-patcher" or "linux-freak".

Did you happen to see http://www.farnell.com/datasheets/1780810.pdf . This warning at the top tells all.

C

Thanks for your answer, but believe me i read it more than once. And if you search in this document for "debian" -> 0 matches.

So i think this pdf is old and useless, because it describes angstrom but in the meantime bbb is shipped with debian.

And as i wrote above , the description in this pdf of ti-sdk works.

But i gave it a last try, and i found a way to make it work ! ( Ok it's not the newest debian, but it works and you don't have to compile soemthing )

1.) Download and install following this debian image :  debian.beagleboard.org/images/BBB-eMMC-flasher-debian-7.5-2014-05-14-2gb.img.xz

2.) Download "Debian Image" and unzip from here : element14: BB View LCD Cape Software Download Centre[1]

3.) Copy the files from 2 to BBB ( i copied it to /home/debian ) and execute following commands :

$ cp -f /home/debian/zImage /boot/uboot

$ cp -f /home/debian/*.dtb /boot/uboot/dtbs

$ tar -xvf /home/debian/kernel_modules.tar.gz -C /

$ cp -f /home/debian/xorg.conf /etc/X11/

$ sudo nano /boot/uboot/uEnv.txt                ( Edit uEnv.txt and insert the following two lines )

-------

capedisable=capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN

cape_enable=capemgr.enable_partno=BB-VIEW-LCD7-01

--------

( Save and Exit )

$ sync

5.) Shutodown BBB, attach BB-VIEW and reboot, that's it

6.) And by the way : When you calibrate the touchscreen, be sure that you don't have a mouse attached. Otherwise it does'nt work correct ( in my case X-Y switched ).

Hi,

I already got my BB-View 4.3 up and running since a few months. Since I'm not an expert in these hw topics and linux related things I need some helps with adjusting the screen brightness (backlight).

The 4D LCD capes are using some simple commands:

cd /sys/class/backlight/backlight.10/

echo 100 > brightness

I had a look into the DTS and found on line 68 "pwm_bl_pins" which are set to "gpmc_a2.ehrpwm1a".

If I understood it correctly it should be addressable at "/sys/class/pwm/xxx".

But there is nothing useable at this path.

Any help on screen brightness adjusting would be great.

Thanks!

Erik

EDIT:

after some time I found the solution.

For anyone who also needs this

e.g. to set the backlight to 50% brightnesst use...

echo 50 > /sys/class/backlight/backlight.11/brightness

Hi Keith,

I'm having a go myself right now. Of all the "info" I've trawled through only that posted by hans-germany     Aug 31, 2015 8:11 AM works! Incredibly frustrating. However - the BBV is up and running but SSH is down. I am now going to try a new debian image.

Also bought a circuitCo LCD. Works well with Angstrom - but off course that's old/unsupported now - which means I can't install the linux headers - so no good to me.

Just as well I'm not working right now - so I'm spending many hours on this at the moment.

What I want is a working BB / LCD / linux headers (so I can compile a wifi dongle) / expanded cape supporting more interfaces / developing python qt apps to run on the lcd. That's the aim and so the pain :-)

I'll answer this myself.

Operating the product has been a nightmare. Forum assistance is left wanting. So many red herrings etc etc.

For example - loading the latest and greatest debian image to get the BBView to work. Yep - it works, but then I couldn't SSH into the device. I need SSH to install the headers so i can get the wifi dongle to work. Surely an image release must insure that core functionality still works.

Having to rebuild the kernal to get things to "work" ? What on earth are you playing at?

Right - after much head banging...... I found Windows toolchain for Beaglebone. Jesus! But I had to do other stuff too. I installed  beaglebone-gcc4.6.3-Debian-r2.exe (282 MB) onto an SD card. I then installed a tool (can't remember - but its online) that generates dtbo files from dts/dtb (again can't remember the specifics but its online). I moved the dtbo file to /lib/firmware. The BBView did not work - BUT - the Circuico LCD7 DID! I was able to SSH too! Miracle! I installed the qt toolchain and now I have this:

Lawry Solutions Beaglebone

Hurrah!!

It shouldn't be this difficult to get this far.........