Software is (still) alive!

Carlos Camargo cicamargoba at gmail.com
Fri Nov 13 11:23:38 EST 2009


Hi

We are working on QT:

http://wiki.qi-hardware.com/wiki/QT

The keyboard input works fine, we note that the resolution is not good, but
we are working on that.


Carlos



On Fri, Nov 13, 2009 at 11:08 AM, ZhangJieJing <kzjeef at gmail.com> wrote:

> Hi all,
>
> I'm working on the small uSD wifi card.
> Two step is needed:
>
> 1. I try make this driver upgrade to recently code, (v2.6.28), #DONE.
> 2. make this driver works on my thinkpad,  #NOW
> 3. make it into openWRT and with BenNano.
>
> I'm have some trouble in sept 2, the sdio cann't upload firmware to wifi
> card. it's will always error at:
> ks7010_sdio.c:697, this func is ks7010_sdio_write(), inside this func, this
> CMD53 will error,
>
>      /* CMD53 */
>         rc = sdio_memcpy_toio(card->func, (unsigned int) address, buffer,
> length);
> it return -110, and the lenght = 4.
> #define WRITE_INDEX        0x000010
>
> I think we need datasheet or the programming manual.
>
> Do you think open a new  project and I push the code onto the
> project.qi-hardware.com is a good idea,
> I think after we make this wifi works on laptop/PC, it will much easier
> make this work on BenNano.
>
> ---
> Best regards,
> Zhang Jiejing
>
>
>
> On Fri, Nov 13, 2009 at 10:15 PM, Mirko Vogt <lists at nanl.de> wrote:
>
>> Hey all,
>>
>> it has been a bit quiet around the software last days.
>> However that does not mean we're stalling - far from it!
>> We are hacking around day and night and much happened!
>>
>> So - what happened? :)
>>
>> == power management and -consumption
>>
>> Lars wrote code for power management on the Ben NanoNote!
>> He also benchmarked the power consumption of the Ben NanoNote in several
>> hard - and software states with and without his power management
>> enhancements.
>>
>> Here are the results:
>>
>>                    | without pm-patches | with pm-patches    |
>> --------------------|--------------------|--------------------|
>> Under full load     |  162 mA            | 160   mA           |
>> Idle black screen   |   95 mA            |  94.5 mA           |
>> Idle white screen   |   93 mA            |  92   mA           |
>> Idle colored screen |  105 mA            | 104   mA           |
>> Display off         |   64 mA            |  52.5 mA           |
>> Suspended           |    N/A             |   9.8 mA           |
>>
>>
>> == "package features" within OpenWrt
>>
>> Since the NanoNote is the first device which runs GUI-applications
>> within OpenWrt on top of DirectFB and not X11, we had to rethink how GUI
>> applications can be used with Xorg _and_ DirectFB within OpenWrt in a
>> practical way.
>> We introduced so called "package features".
>> In this use case the package feature "drawing-backend" was created,
>> which can be "DirectFB" or "libX11".
>> That way supported applications can be configured easily via the
>> ncurses-based menu to get compiled and linked against either DirectFB or
>> libX11.
>> In this context, all related existent packages were adjusted (as
>> directfb, libX11, gtk, cairo, pango, atk, fontconfig, etc.)
>>
>>
>> == ported and committed packages to OpenWrt
>>
>> All qi-related OpenWrt-packages were cleaned up and committed, e.g.
>> c++-bindings for <glib>, <cairo>, <pango>, <gtk+>, as well as <gtkhtml>,
>> a lightweight HTML rendering engine to render HTML within
>> GTK-applications.
>>
>> <vido> - a proof-of-concept zimfile-reader/viewer based on gtk2 and
>> gtkhtml, which may be used as wikipedia offline reader/viewer - is
>> ported as well.
>>
>> I also ported a set of games provided by the <gnome-games>-package which
>> are usable on the Ben NanoNote, as <glines>, <same-gnome>, <gnomine> and
>> <gnotravex>.
>>
>>
>> == bugs
>>
>> as always - of course we're also facing problems and any help here is
>> highly appreciated!
>>
>> - vido
>>
>> Unfortunately vido does not work properly yet. It segmentation faults in
>> certain cases. This may be caused by vido itself or one of it's
>> dependencies (e.g. the c++-bindings it is using like gtkmm, glibmm,
>> pangomm, cairomm, etc.).
>>
>>  - dbus/gconf
>>
>> There seems to be a "design problem" with gconf/dbus which is causing
>> applications using gconf not being able to communicate with the gconf
>> database without a hack.
>>
>> Applications using gconf automatically try to spawn a gconfd-process if
>> there's no one running yet. However the gconf does not get launched.
>> After some debugging I found out gconf itself is trying to spawn a
>> dbus-process with "--autolaunch" as argument.
>> "dbus --autolaunch" however is only supported when dbus is compiled with
>> X11-support. As X11 may not be used (as in our case), this type of
>> launching dbus is not available which is causing gconf not to get
>> started properly which causes applications using gconf not being able
>> communicate with the gconf-database.
>>
>> The mentioned "hack" to workaround this issue is spawning the
>> dbus-process manually and tell the system via environment variables that
>> a dbus-process is running.
>> That way gconf does not need to "autolaunch" one by itself.
>> To do so execute the following line before running any application using
>> gconf:
>> eval `dbus-launch --sh-syntax --exit-with-session`
>>
>>
>> Have a nice weekend and keep on hacking :)
>>
>> mirko
>>
>>
>>
>>
>> --
>> This email address is used for mailinglist purposes only.
>> Non-mailinglist emails will be dropped automatically.
>> If you want to get in contact with me personally, please mail to:
>> mirko.vogt <at> nanl <dot> de
>>
>>
>>
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>
>
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-- 
Carlos Iván Camargo Bareño
Profesor Asistente
Departamento de Ingeniería Eléctrica y Electrónica
Universidad Nacional de Colombia
cicamargoba at unal.edu.co
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