RE: Nokia - lost second chance - another multitouch by Apple patented

2008-09-04 Thread Wei Zhou
Little out of topic. Just talk about the stylus. 

> -Original Message-
> From: [EMAIL PROTECTED] 
> [mailto:[EMAIL PROTECTED] On Behalf Of Sarah Newman
> Sent: 2008年9月5日 0:01
> To: [EMAIL PROTECTED]
> Cc: maemo-developers
> Subject: Re: Nokia - lost second chance - another multitouch 
> by Apple patented
> 
<..snip...>
> 
> So then the barrier is stylus usage.  Why do we want a 
> stylus?  The cold weather, physical and/or mental comfort, or 
> difficulty performing certain tasks with fingers only?
> 
yes, why do we need stylus? If someone wore the  gloves, could him sieze it OK? 
why not use some on-screen cursors (like the snipper sight) as that on PC? And 
the on-screen cursor's scope can do zoom in/out, it's extremly useful for map 
location, and other high-precision location needed applications, Actually, 
maemo can not display some ballon tips (since it's dont have the mouse-over 
event), and make me sad while browsing. It might be a great reduce of user 
experience.

Joke, let's see, ^lol^

a.z
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RE: Busybox version

2008-08-14 Thread Wei Zhou
Thanks for your detailed explain. It's nice to hear the news about the
busybox upgrade in Fremantle. Although, normal user might not interested
in cmdline, but it did for developers:) lol

> -Original Message-
> From: Eero Tamminen [mailto:[EMAIL PROTECTED] 
> Sent: Thursday, August 14, 2008 5:30 PM
> To: Wei Zhou
> Cc: ext Deepak Kr. Sharma, Noida; maemo-developers@maemo.org
> Subject: Re: Busybox version
> 
> Hi,
> 
> ext Wei Zhou wrote:
> > Little out of topic, busybox in diablo image is  1.6.1, 
> while the latest
> > one is 1.11.x, does Nokia plan to upgrade this? AYK, there 
> are many bugs
> > on Bugzilla shows the old busybox did not support some 
> features (like,
> > `ldd', `sort -k', etc), but the latest one does. 
> 
> If you need these urgently, instead of "ldd", you can use:
>   /lib/ld-2.5.so --list /path-to/dynamic-elf-binary
> 
> (Ldd script is just convenience wrapper around ld, it 
> converts relative
> paths to absolute and gives the binaries & libs to the dynamic linker
> one at the time.)
> 
> And instead of "sort -k", you might try re-arranging the fields first
> with trivial awk one-liner.
> 
> 
> > compare with the size
> > 
> > busybox 1.6.1,  223.4k
> > busybox 1.11.x,763.4k
> 
> I think the features and especially the size depends more 
> from features
> enabled in busybox configuration that the busybox version.  (bugs in
> these features, these are more specific to busybox version. :-))
> 
Agree, the features supprted should have a careful consideration.

> 
> > I think it's not a big problem in N810 about the size(256M/8G).
> 
> The 256MB internal flash (where all the packages will be installed) is
> half  full and with JFFS2 file system there should be some free space
> for it to work well (to more full it is, the more it slows down and
> more RAM it uses).
> 
Yuh, is that possible to add an option for `Advanced user' and `Normal
user',  like the R&D mode, maybe some advanced features/utils can be put
under the external storage, and mount for using, Relax, ^^

> Basically features that aren't needed by normal users (who don't use
> command line) nor needed by the installed packages, are left out of
> Busybox.
> 
> 
> Updating to new Busybox version "always" breaks things that 
> need then to
> be  fixed, so it's not going to be updated for maemo 4.x (Chinook /
> Diablo).  It will be updated in the next major release, Fremantle.
> 
> 
>   - Eero
> 
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RE: Qemu Error on Maemo

2008-08-14 Thread Wei Zhou
Little out of topic, busybox in diablo image is  1.6.1, while the latest
one is 1.11.x, does Nokia plan to upgrade this? AYK, there are many bugs
on Bugzilla shows the old busybox did not support some features (like,
`ldd', `sort -k', etc), but the latest one does. 

compare with the size

busybox 1.6.1,  223.4k
busybox 1.11.x,763.4k

I think it's not a big problem in N810 about the size(256M/8G).

a.z

> -Original Message-
> From: [EMAIL PROTECTED] 
> [mailto:[EMAIL PROTECTED] On Behalf Of Eero Tamminen
> Sent: Wednesday, August 13, 2008 10:31 PM
> To: ext Deepak Kr. Sharma, Noida
> Cc: maemo-developers@maemo.org
> Subject: Re: Qemu Error on Maemo
> 
> Hi,
> 
> ext Deepak Kr. Sharma, Noida wrote:
> > Thanks for your prompt reply.
> > 
> > It doesn't crash on x86. In the early stages of development 
> it used to
> > work for ARMEL, but now it doesn't.
>  >
> > So once the application has been tested for x86, the app 
> should be built
> > for ARMEL and tested on the device?
> 
> Correct.
> 
> Another difference between Scratchbox and device is that Scratchbox
> environment provides the normal GNU tools (they are required for
> building most Debian packages), but the device base system uses
> Busybox[1] instead which has some incompatibilities with the GNU tools
> (missing binaries and command line options).  This can be significant
> if your software uses shell scripts, but keeping to POSIX standard
> utilities/syntax/command line options should be (fairly) safe.
> 
> 
> There are some coding issues that could be ARM specific, but they are
> pretty rare.  Alignments are a bit different on ARM than in x86 etc,
> but these you should usually be able to catch with gcc 
> warning options,
> at least you should use "-Wall", preferably also "-Wextra".  Timings
> are also different which could trigger bugs in your code, especially
> if you're using threads.
> 
> When testing the code on x86, I would recommend using Valgrind[2]
> to check for memory access errors and leaks in your code.
> 
> 
>   - Eero
> 
> [1] http://busybox.net/
> 
> [2] http://maemo.org/development/tools/doc/diablo/valgrind/
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