Graphical Environment Pengutronix

Javier Fileiv
Hello, everyone. I was finally able to install some out of the box working
embedded linux on my mini2440.

The thing now is that I have only command line prompt and I woul like a
graphical environment, is that possible with Pengutronix? 

How to build my own programs/packages with this BSP?

Thank you very much!

Javier

Javier Fileiv
I forgot to tell that I have a 1Gb mini2440, with W35i LCD . Also..wich one
is the parameter for this display?? 0tb, 1tb ?? I have tested all and
neither of them worked.


Merci Beaucoup!

Juergen Beisert
Did you build the "ptxconfig" or "ptxconfig.qt" configuration? With
"ptxconfig.qt" you will get a small qt based demo app. which starts
automatically.
The W35 display should work out of the box. But the "i" means it uses an
embedded touchcontroller. This feature is still untested at my side.
BTW: refer the BSP documentation: the "w35i" is type 6. So try with
"mini2440=6"

javier
Thank you very much Juergen! I would like to know if there is any way to
compile my own source code/packets like with bitbake.

I would like to try to compile any desktop environment such as SATO, or
qtopia. Is there any already built for Pengutronix?

Thanks again!

Javier

Juergen Beisert
PTXdist is "rule file centric". If you want to add your own code to be
included in the build process try to run the "ptxdist newpackage" command.
It creates skeletons of new rule files which helps you to add your own
code.

javier
Thanks! Juergen::: I, checking the guru guide for Pengutronix! ;)

sudhakar_G
Hi Juergen,

By using Peguntronix BSP(new release 2015) ,I have successfully build Linux
kernel image 3.16,root filesytem,barebox image.
But the issue with my LCD display is not working.
I am using w35i LCD display.

I have edited this file 

Minicom / edit /env/config

bootargs =".............mini2440=6tb" [ 6 is the no.for w35i LCD display as
mentioned in manual]

after that i have booted .But didn't work

Pls help me to solve this issue
Regards,
Sudhakar.g

Juergen
There's currently no support for the "w35i" variant in the Mini2440 BSP.
Only for the "w35" variant.
BTW: what does "LCD display is not working" means?

davef
Top of page 21 in the QuickStart guide.

6 w35i: 3.5” TFT + touchscreen (Sharp LQ035Q1DG06)

So, this is an error? IE, there should be no i after the w35

Juergen
Hi davef,

you are right. The display (signal timings etc.) is supported. But not its
special type of control. I guess sudhakar_G's display is already working,
but due to the lack of backlight he cannot see anything...

sudhakar_G
Hi davef,
Thank you for your reply.So mini2440 BSP doesn't have support for W35i LCD.
One more thing sir,I want to learn how to drive the
peripherals[LED,GPIO,ADC,UART,PWM,USB,LAN] on the Board.Can u pls help me
how to start? what are the files/docs i need to refer to write my own
drivers.

davef
That appears to be the situation.

But, before you give up:

http://www.friendlyarm.net/forum/topic/3366

To quote:

Hi deltaT

to control backlight, just type "echo 0-127 /dev/backlight-1wire" on the
console.

it is very easy.

mindee

unquote.

Is it a backlight or 1-wire problem?

sudhakar_G,

I am sure there has been discussion about "your" problem, maybe create a
new thread to see if someone has come up with a working solution.

Something like " w35i display problem".  People who would make their own
kernels from scratch would have to address this problem.

Kernel modules.  With a lot of help I managed to make a SPI kernel module. 
I will probably never do it again!  

The Linux Kernel Module Programming Guide.pdf
Linux Device Drivers.pdf