Re: Reason for GPS problems found!

2008-07-15 Thread Joerg Reisenweber
Am Di  15. Juli 2008 schrieb thomasg:
 Hi ppl,
 
 I write this to community, not to devel or owners because everyone should
 know:
 *sbeh*, one of the people in #neo1973-germany IRC-channel found the reason
 for the GPS problems.
 The problem only occurs if a SD card is set in. Doesn't matter if it's
 mounted or in use, it just has to sit in the socket.
 The TTFF went from no fix at all to TTFF 120 seconds indoor(!!!), and about
 40 seconds outdoor.
 Two other people could verify this with about the same results.
 We'll do more tests later, but for now we surely know what's causing the
 problem (and it seems to be a EMC problem).
 
 First results show at the same devices, even outdoor, that there is no fix
 in over 400 seconds with SD card, the signal seems to be at least 10 to 20
 dB worse (so bad, that most satellites don't even appear).
 
 Testresults from other people appreciated.



So we can assume this is pretty confirmed by quite some reports now.
Thanks to community for the awesome help on this!
Special thanks to *sbeh* for finding this. Please mail me directly ;-)!!

We did quite some tests on this as fast as we could (and I never assumed we 
could be *that* fast), and it seems we found the root cause of the problem.
ALL THIS IS PRELIMINARY INFO! Due to further tests to confirm.
Just to let you all know we're on it, and please stop thinking about shielding 
the SDcard with tin foil or relocating internal gps-antenna. It won't 
probably help.

The good news: *IF* all pans out, there's (or soon will be) a new kernel at 
Andy branch that stops SD-card clock when SDcard is idle. We hope this will 
almost cure the problem, at least reduce it to sth like you can't GPS while 
watching video from SD or the like (hope you can cope with that ;).
We're about to verify a hw-fix so you could even watch video and still have 
GPS positioning during that.


Please stay tuned and be patient, we'll come up with news *really soon*.
And *please* don't try weird reworks and maybe break your FR by doing so 
;-) ;-) ;-) ;-) ;-) ;-) ;-) ;-) ;-) ;-) ;-) ;-) ;-) ;-) ;-) ;-) ;-) 

cheers
jOERG


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Re: Reason for GPS problems found!

2008-07-15 Thread Joerg Reisenweber
Am Di  15. Juli 2008 schrieb Jonathan Spooner:
 but one thing that was not expected was that people would 
 be spending money on a device that could have potential hardware 
 issues. 
You're kidding, no?
You ever bought a piece of HW you were guaranteed there is *definitively* no 
hardware bug in it? None, or you get a billion$?
c'mon!
 
 Perhaps those complaining are those who can least afford to  
 blow $399.
That's why I say I don't like those people. They never noticed the bug, and 
when we are about to discuss it and to offer a solution they start 
whining. OOOh, the BAD bug. If only I never had bought...
Instead of plain asking what we're going to do to MAKE EVERYBODY HAPPY again. 
(what we are already about to do!)
/jOERG



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Re: Reason for GPS problems found!

2008-07-15 Thread Joerg Reisenweber
Am Di  15. Juli 2008 schrieb Jay Vaughan:
  You ever bought a piece of HW you were guaranteed there is  
  *definitively* no
  hardware bug in it? None, or you get a billion$?
  c'mon!
 
 
 Ever heard of Consumers rights?  Lemon Laws?  You can't sell hardware  
 that you know has bugs in it, legally, in many places around the world.

Ever thought about I might feel personally offended by you publically assuming 
I sell hw I *know* or even have suspect there is a HW-bug in it. Ever heard 
of laws about this? 


 
 
  Perhaps those complaining are those who can least afford to
  blow $399.
  That's why I say I don't like those people.
 
 They are your customers.  This is an open source project, people have  
 a chance to communicate.
And I have this chance too. I just say I don't like those people...
I'm not obliged to like them.


 
  They never noticed the bug, and
  when we are about to discuss it and to offer a solution they start
  whining. OOOh, the BAD bug. If only I never had bought...
  Instead of plain asking what we're going to do to MAKE EVERYBODY  
  HAPPY again.
  (what we are already about to do!)
 
 
 Sure will be nice when its done, but for now, we do need to keep  
 talking about the issue, and the point needs to be made that this *is*  
 a serious issue for many people, if it doesn't get resolved in a  
 fashion that makes sense.  I'm already miffed about the Glamo/SD issue  
 - for me, Glamo was one of the great things about Freerunner on  
 'paper', and now its not so useful after all.  I would be really  
 turned off if the same thing happened to GPS.
 
 So, yes, please tune us into the fix when you've got one.  But in the  
 meantime, no need to get upset because your customers are  
 communicating with each other..

Did you consider the public image that's being created by a statement like Ah 
well, this seems not to work. So the brick is useless for me. Damn the day I 
bought it
This statement is offending and deprecating on all the people that are 
actually about to fix the issue that's so bitterly complained about. And it's 
an implicit lie as there's no problem we resigned on to solve it and put the 
device to use for the complaining customer.

But honestly, I don't like to continue this debate, and I actually don't have 
the time to.
Have some bugs to fix, U know ;-) Appreciate our efforts or not.

ETX
jOERG


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Re: Reason for GPS problems found!

2008-07-15 Thread Joerg Reisenweber
Am Mi  16. Juli 2008 schrieb Marco Trevisan (Treviño):
 Mikko Rauhala wrote:
  We're about to verify a hw-fix so you could even watch video and still
  have GPS positioning during that.
  
  Excellent. One would hope official retailers *cough*pulster*cough* would
  be able to perform such an operation, once verified; perhaps allow for
  fixes being done by local hw-capable people (sadly not me) without
  voiding warranty...
 
 Well, I'm curious about that too. I've not a FR in my hands yet 
 (HandsHeld-Linux should ship it on next days, and he talked me about 
 analyzing some GPS issues...) but I'd like to know if this hw-fix will 
 be doable by everyone or if it will need any special prerequisite.

I already asked you to be patient.
A hw-fix has to be developed, it has to be tested on dozens of devices, it 
has to be evaluated for costrisk vs. benefit (maybe there are other possible 
fixes. are they more effective? less dangerous?). Then it depends on purpose 
of any hw-fix: is it for MP of new devices, for rework at some lab where 
devices are sent in, or is it meant to be done by a DIY soldering iron 
noob...
You see it's not that simple 
We have to think about multiple scenarios and come up with an answer to each 
of them, evaluating them, and then post some Standard Operating Procedure 
suggestions to customers/community.

cheers
jOERG


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Re: GTA01BV4 died, please help me.

2008-07-15 Thread Joerg Reisenweber
Am Mi  16. Juli 2008 schrieb Michael Shiloh:
 The OP says it fails to boot even with a full Nokia battery, so it's 
 unlikely to be the dead battery problem.
Yep

 
 The two other failures mentioned are (1) removing the battery while 
 plugged into USB and (2) corrupting Flash memory
 
 Does anyone know exactly what is damaged by removing the battery while 
 plugged into USB? Is there a way to verify that this in fact is the 
 cause of the problem?
This shouldn't cause any problem on GTA02 (on GTA01 there were some scream of 
death issues when removing bat while charged IIRC). At least we have no 
reports on this so far, I myself do remove bat while on charger frequently - 
no harm.

 
 Another poster suggested damaged Flash. In this case, inspection with 
 the debug board should verify this and allow for repair. I presume you 
 don't have a debug board? Check whether someone near you has a debug 
 board, or send it to someone with a debug board.

Well a device not starting on a full battery is to be considered broken and 
should be sent in for repair. My 2 cent.

Of course you could check NOR, 'cause it'll not stat with bad NOR. But you're 
supposed to not be able to break NOR without debug-board. So no use in trying 
to get one, if you don't have already.

/jOERG


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Re: unable to start up freerunner after batterie was full down

2008-07-14 Thread Joerg Reisenweber
Am Mo  14. Juli 2008 schrieb Marco Trevisan (Treviño):
 Joerg Reisenweber wrote:
  Am Mo  14. Juli 2008 schrieb Marco Trevisan (Treviño):
  Michael Shiloh wrote:
  The final method involves charging the battery manually, enough to allow 
  Freerunner to boot. This requires an external power supply of about 4.5 
  Volts and should be done only if you feel comfortable with electronics 
  and hardware and understand about short circuits.
 
  Let me know if you want to do this and I'll instruct you privately.
  Well, maybe this could be useful for other owners, isn't it?
  
  We mustn't advice customers to try potentially destructive or even 
dangerous 
  procedures.
  Thus no public howto for manual charge of LiIon batteries!
 
 Well, I don't think that one would to that just for fun... I figure that 
   who will try a procedure like that is enough experienced and/or wants 
 to risk with his own device.
 
 I'm simply saying that the method should be well documented in public 
 (since it's not the first time that occurs) underlining that it's only a 
 very dangerous tip and that the Om team doesn't suggest it, then 
 everyone can decide if following it.
 
 PS: BTW I hope I won't use it since I've ordered also some extra an 
 battery and I've some compatible ones near me; I just wanted to express 
 my idea...

Actually I don't recommend this, not even with warning note. There are better 
ways do cope with this: hotswap or external LiIon charger/other cellphone.

Battery has max chrg V of ~4.2V and max I of ~1A. Anybody needing to know more 
on it, shouldn't even think about it. The ones who think they understood the 
above: formating charge current when bat is deeply discharged shouldn't even 
exceed 50~100mA! Otherwise U might kill bat. LiIon is tricky!

/j


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Re: unable to start up freerunner after batterie was full down

2008-07-14 Thread Joerg Reisenweber
Am Mo  14. Juli 2008 schrieb Ben Wilson:
 So the freerunner doesn't suffer from the problem in gta01 of squealing 
 (and potential damage) if you remove the battery while it's charging?

No reports so far. Seems we fixed that ;-)
/j


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Re: Can't boot Freerunner without battery - Was: Re: unable to start up freerunner after batterie was full down

2008-07-14 Thread Joerg Reisenweber
Am Mo  14. Juli 2008 schrieb Steven **:
 Perhaps it's been said before and I missed it...  But why can't the
 Neo boot off USB power alone?

Boils down to sth like powering up a whole town after blackout.
All components drawing a spike of energy same moment, which USB can't 
deliver. -next blackout.
Werner's new U-boot extenuates this somewhat, but as much of this is inside 
PMU hardcoded, SW can't do much.

/jOERG


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Re: GPS

2008-07-13 Thread Joerg Reisenweber
Antenna is pointing front longaxis.
You have to hold device upright (lanyard hole to ground, AUX-key to sky)!
/jOERG

Am Sa  12. Juli 2008 schrieb Jonathan Spooner:
 I've been playing with my GPS and finally got a fix using agps diag 
 tool. I stood the gta02 up on my garden table using a pop bottle :-)  I 
 think bottom line the gta02 has a poor antenna in fact the first 
 time I got a fix I did so at the point I rested my free stylus on top of 
 the gta02!
 
 Once I had a fix I used the signal strength screen in the agps diag tool 
 and its then plain to see the signal is precarious at best with an 
 average strength of around 28 which is greatly affected by orientation 
 and nearby objects from hands, stylus, people etc pretty much what you'd 
 expect in a device thats receiving a very weak signal except we know 
 the say system is working so that only leaves the gta02 internal antenna 
 as the problem.
 
 Thoughts?
 
 Jon
 
 
 
 Russell Sears wrote:
  I played with it a bit more and think i figured out why i wasn't getting 
  locks quickly.  It looks like my Freerunner's GPS is working after all! :)
 
  I've updated the wiki GPS_Problems page with some basic information 
  about how GPS devices obtain initial locks, and added more 
  troubleshooting information...  It would have saved me a few hours; 
  hopefully someone else will find it useful.  Someone familiar with GPS 
  should probably check it for errors.  Most of what I wrote is based on 
  things I learned today by word-of-mouth and skimming wikipedia articles.
 
  -Rusty
 
  Russell Sears wrote:

  This might help too (I should add myself to it...):
 
  http://wiki.openmoko.org/wiki/GPS_Problems
 
  I've only gotten a fix using the agps diagnostic tool gui.  I did it in 
  the middle of a clear night with nothing near by, by going to the signal 
  strength screen, and slowly rotating the phone until the bars started 
  turning from light blue to dark blue, and going with an orientation that 
  seemed to work, kind of like with an old analog TV set...
 
  I don't know if doing it actually helped, but while playing this game, I 
  got a fix in ~ 2-3 minutes, vs the tens of minutes I'd waited before 
that.
 
  Bumble, after 10-15 minutes of waiting, do you see any satellites in the 
ss tab of the agps diagnostic tool?  Does it display a time in UTC 
  after a few minutes?  If so, we're probably in the same boat.
 
  Is there a document explaining the exact handshaking procedure the 
  chipset in the freerunner uses to lock onto the satellites?
 
  -Rusty
 
  andres wrote:
  
  On Fri, 2008-07-11 at 23:57 +0200, Bumbl wrote:
 

  Be happy
  I have never got a fix up to now although trying on different locations 
  for 45min each.
  I'll consider to use my waranty.
  
  probably this is related
  http://wiki.openmoko.org/wiki/FreeRunner_GPS_antenna_repair_SOP
 
 
 
 
 
  
 
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Re: GPS

2008-07-13 Thread Joerg Reisenweber
Antenna is pointing front longaxis.
You have to hold device upright (lanyard hole to ground, AUX-key to sky)!
/jOERG

Am Di  8. Juli 2008 schrieb atweb:
 Hello,
 
 On Monday, I had a fix after an hour (eating by mom and laying FR in my 
 card at the north side of the house).
 Today, the GPS found lot of satellites but did not get a fix (see 
 screenshots).
 
 cu
 Markus
 




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Re: GPS issue related to GPS antenna selector ?

2008-07-13 Thread Joerg Reisenweber
Am So  13. Juli 2008 schrieb Philippe Guillebert:
 Hello,
 
 Thanks to http://wiki.openmoko.org/wiki/Freerunner_Hardware_Issues , I 
 ran into the following (and quite scary) thread : 
 http://lists.openmoko.org/pipermail/hardware/2008-April/55.html
 
 So I was wondering, maybe the poor GPS performance issue many FR seem to 
 have, especially on the internal antenna, is related to the GPS antenna 
 MUX (the part responsible for the switch between internal antenna, and 
 external antenna if you hook one up) selecting the external antenna, 
 even when there isn't one ?
 
 The randomness of this issue could be explained because driving the mux 
 with levels like 26% Vdd is kind of grey zone and can result in some 
 devices working as expected and some selecting the ext. antenna without 
 one and then having bad reception.
 
 I see one way to test this theory, by driving the select signal VCONT to 
 0V (Werner Almesberger talks about shorting R7616) and see if this 
 improve reception on the internal antenna.
 
 This is pure speculation, I didn't test anything and perhaps that's just 
 plain stupid but I'd love to hear from someone that focused on this 
 issue back in April.

IIRC Andy did all of these tests and found they didn't solve or even alter the 
symptoms (see later posts in same thread).
Though the circuit design is definitely flaky, it doesn't seem to trigger any 
of the suspected problems.

Anyway thanks for the feedback
jOERG


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Re: which list to write to (was Re: x offset in landscape mode)

2008-07-13 Thread Joerg Reisenweber
Am Do  10. Juli 2008 schrieb Stroller:
 
 On 10 Jul 2008, at 07:17, Michael Kluge wrote:
  It is probably the best idea to write to both lists (I was not  
  aware of the other list up to now).
 
 Urg, if you must, for the present.
 
 IMO it's better if the correct list was simply addressed in the  
 first place.

I tend to set Xposted topics to [ignore], as they are impossible to follow on 
and just waste my time.
Xposting is considered bad practice anyway
/jOERG


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Re: SanDisk micro SDHC 8GB card under testing

2008-07-13 Thread Joerg Reisenweber
Am Do  10. Juli 2008 schrieb ian douglas:
 Shawn Rutledge wrote:
  What about on the GTA01?  The biggest I have tried so far is 2 gig
  because I wasn't sure if SDHC was working.
 
 I sold my GTA01 months ago earlier this year, so I can only test on my
 GTA02v5. I imagine someone with a v6 Freerunner can do some additional
 testing.

There's no difference between A5 and A6
/jOERG


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Re: AW: RE: unable to start up freerunner after batterie was full down

2008-07-13 Thread Joerg Reisenweber
No use in connecting a FR to any source to charge bat, as long as it doesn't 
boot up. Actually it drains battery even further, instead of charging.
Battery is only charged when booting succeeds.
Jumpstart the battery is very unlikely to help you out.

Get FR booted by any means 
1.:Remove sim-card!
2.:Use wallcharger to startup. 
3:borrow battery, apply 4.5V (5V!!!) to + and minus of battery connector in 
FR. 
After 5~10sec FR should come up and you don't need startup-battery or 
4.5V-power-source any more - remove it! FR should run happily from 
wallcharger.
Now *don't* power down, and insert dead battery. battery is going to charge 
now.

Alternative way: find a charger for nokia-bat, or even use an old nokia to 
charge dead battery. e.g. 6230i. If you find a friend who could lend a 
battery to you, maybe he might prefer to take your bat and charge it for a 
short while.

sorry for the inconvenience. 
Usually we shouldn't see dead batteries. We expect to fix the deep-discharge 
of bat at software side. 
The problems with no startup on dead bat are partially a hw-issue. Though 
Werner has a new u-boot that might help (coming soon), especially when you 
got a device that flashes red aux-led (good sign!).

cheers
jOERG


Am So  13. Juli 2008 schrieb [EMAIL PROTECTED]:
 ok...I`ll wait for Michael`s explanation...
 thx
 
 Ursprüngliche Nachricht
 Von: [EMAIL PROTECTED]
 Datum: 13.07.2008 17:16
 An: List for Openmoko community discussioncommunity@lists.openmoko.org, 
[EMAIL PROTECTED]
 Kopie: Michael Shiloh[EMAIL PROTECTED]
 Betreff: RE: unable to start up freerunner after batterie was full down
 
 If your battery falls below a certain level then FreeRunner sometimes will
 not charge it.
 
 We are working on fixes for this but in the short term you have these
 options.
 
 
 1. Jump start your battery. Michael will explain how, Takes 5 seconds.
 2. Get a stand alone battery charger from Nokia ( for battery types 4bl,
 5bl, 6bl)
 3. Get a replacement battery.
 
  
 
 Steve
 
 -Original Message-
 From: [EMAIL PROTECTED]
 [mailto:[EMAIL PROTECTED] On Behalf Of arne anka
 Sent: Sunday, July 13, 2008 7:32 AM
 To: [EMAIL PROTECTED]; List for Openmoko community discussion
 Subject: Re: unable to start up freerunner after batterie was full down
 
 while surfing the device-owners list i've stumbled over this:
 
  Sometimes it happened (I think to all of us! ;) ) that NEO1973's 
  battery goesfully discharged, and for this I follow the instruction on 
  the wiki pages(detach battery 20 seconds, attach to USB, wait 1 hour, 
  start the Phone).
 
 anyway -- the guy posting this seemed to have killed his battery (not
 finished the thread yet).
 regarding you usb-only: maybe your usb port does not supply 500mAh?
 
 btw: your leds flash? mine do nothing -- is this related to the asu image?
 
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Re: Anyone using FR as a phone?

2008-07-13 Thread Joerg Reisenweber
Am Mo  14. Juli 2008 schrieb Scott Derrick:
 I don't get some people have experienced audio issues? 
 
 Is this an indication of the level of quality control in manufacture ring?
 
 Scott

This is a short form of description of the *very* random and statistic nature 
of this issue. We got some reports from customers about this noise.
We are still investigating on what conditions need to come together to produce 
this problem. Seems like carrier, band(850,900,1800,1900), location, time of 
day, weather(yeah!), way to hold the device(!), open or closed doors and 
windows etc etc etc, all influence this.
On my setups to reproduce, I constantly failed to create this noise on FR, but 
had bad noise on a decent Nokia I used for reference purposes. Mention this, 
just to illustrate the problems we see on evaluating the issue.

Thus far we have no clear data on that, and we have no exact reports on number 
of people who experience this problem.

As soon as things are more clear, we will report on it.
Meanwhile we are about to improve the hw to cope with this (a little difficult 
without exact idea of the way this happens).


/jOERG


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Re: wiki:gps: rephrasing?

2008-07-13 Thread Joerg Reisenweber
Antenna is pointing front longaxis.
You have to hold device upright (lanyard hole to ground, AUX-key to sky)!
/jOERG

Am So  13. Juli 2008 schrieb arne anka:
 hi,
 i found
  http://wiki.openmoko.org/wiki/GPS_Problems#Basic_GPS_debugging
 
 which starts as follows:
 
  ... (the screen the right way up, with the top of the phone facing up,  
  and the screen facing the horizon) ...
 
 well, i have to confess my command of english is not sufficient to  
 understand it.
 could someone please rephrase?
 
 thx
 
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Re: Qtopia Speakerphone

2008-07-13 Thread Joerg Reisenweber
Am So  13. Juli 2008 schrieb Yochai Gal:
 Hi all, the qtopia image makes the FreeRunner almost a usable phone, but I
 have a problem. I was able to get the audio to work by creating the symlink
 below, but the speakerphone still doesn't work --- it emits a loud beep
 sound instead.  Any ideas? Thanks so much.
 
 lln -s /usr/share/openmoko/scenarios /etc/alsa
 
 yochai
 

The mixer settings for speakerphone, which are restored 
from /usr/share/openmoko/scenarios, have to be fixed to eliminate path from 
mic to speaker, to avoid this feedback.
Also there is a second place to look at to tweak sidetone path (that's what 
it's called, also the alsamixer settings are named in a braindead way here! 
Don't get fooled!), in modem setup. There's some AT-command to send to modem 
to stop sidetone path in modem. Mickey knows more on this.


/jOERG


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Re: AW: Re: AW: RE: unable to start up freerunner after batterie was full down

2008-07-13 Thread Joerg Reisenweber
Am So  13. Juli 2008 schrieb [EMAIL PROTECTED]:
 It mean the same as one know this from a car with a very low battery... 
(bridged )
 just put another battery (I think it`s important, that the second battery 
have the same Volt) parallel to the 
 original battery. 
 If so, the FR can take the power from the two batteries...

This might fail:
if your battery is dead, it has low voltage. Now you jumpstart with a 
second battery, and FR boots. But same time the dead bat's internal 
protection might trigger for too high charging current from much higher 
voltage from parallel battery. This protection circuit needs to reset, what 
might not happen until you stop to try to charge it, and in fact discharge it 
a short while. 
So it's better practice to start the FR just from the good battery, and insert 
the dead one after boot has completed and jumpstart bat has been removed.

/jOERG


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Re: Anyone using FR as a phone?

2008-07-13 Thread Joerg Reisenweber
Am Mo  14. Juli 2008 schrieb Tim Schmidt:
 On Sun, Jul 13, 2008 at 9:28 PM, Joerg Reisenweber [EMAIL PROTECTED] 
wrote:
  Meanwhile we are about to improve the hw to cope with this (a little 
difficult
  without exact idea of the way this happens).
 
 Meaning, the improvement will show up in a new rev of the Freerunner,
 or in the next model phone?

Depends on which kind of improvement we are ending with. Obviously sth like a 
metal case for shielding can't be done as a simple FR product revision - just 
for example. Simple change of a component value is a completely different 
story.
For now no results thus no statement. ;-)

/jOERG


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Re: unable to start up freerunner after batterie was full down

2008-07-13 Thread Joerg Reisenweber
Am Mo  14. Juli 2008 schrieb Marco Trevisan (Treviño):
 Michael Shiloh wrote:
  The final method involves charging the battery manually, enough to allow 
  Freerunner to boot. This requires an external power supply of about 4.5 
  Volts and should be done only if you feel comfortable with electronics 
  and hardware and understand about short circuits.
  
  Let me know if you want to do this and I'll instruct you privately.
 
 Well, maybe this could be useful for other owners, isn't it?

We mustn't advice customers to try potentially destructive or even dangerous 
procedures.
Thus no public howto for manual charge of LiIon batteries!

/jOERG


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Re: Anyone using FR as a phone?

2008-07-13 Thread Joerg Reisenweber
Am Mo  14. Juli 2008 schrieb Yaroslav Halchenko:
 then why not to ask Randy S (who already steadily experiencing
 such an issue without much of fiddling with weather/location/manner of
 holding) to do additional troubleshooting and if it is unit specific,
 just to send the unit back for the replacement (and for you to
 troubleshoot on a defective unit 'as a reference')?

It's not unit specific. This at least we already can say.
Slight variations in severity, but I didn't get to reproduce it even 
with known bad devices, here at my lab. This known bad FR performed 
better than a Nokia6210 I used for reference. At my lab. :-/
But it's basically a EMI-shielding issue, it seems. We're on it.

/j


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Re: External Cell Antenna

2008-07-08 Thread Joerg Reisenweber
The GSM-antenna connector is near hole and near one of the two screws, 
inside of Neo. You see when opening back-lid.

HTH
jOERG


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Re: freerunner unable to work with 3G SIMCards?

2008-07-08 Thread Joerg Reisenweber
Am Di  8. Juli 2008 schrieb Jeffrey Ratcliffe:
 Tried 4 more German SIMs - none of the them worked:
 
 D2 Mannesmann (7 years old)
 Vodafone
 O2
 T-D1 (T-Mobile)
 
 I don't see any pattern.
 
 Who has a German SIM working in their FR?

I tried
o2 (9Y old): ok
Vodaphone (unknown but probably recent): ok
Ay'yildiz (or sth like that, E+, new): ok

Sometimes there are strange issues with the PIN of Ay.. being reenabled, when 
swapping cards? :-/

/jOERG


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Re: questions about our mailinglists

2008-07-08 Thread Joerg Reisenweber
here we go again XD
let's stop it NOW!
/j


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Re: GPS

2008-07-07 Thread Joerg Reisenweber
Am Mo  7. Juli 2008 schrieb thomasg:
 Btw. - I took a picture of my GPS_antenna, and I just can't imagine, that
 this will be able to get a GPS signal without siginficant loss to the
 reciever (that has only a sensitivity of -155 dBm in the best case).
 http://c.imagehost.org/0230/gps_antenna.jpg

Please can you elaborate on this?
What's wrong with the backside/amplifier of the antenna?
Do you have any examples an antenna should look like?
please see:
http://lists.openmoko.org/pipermail/hardware/attachments/20080507/9a64aa3c/GPSPhonePerformanceComparison050608-0001.pdf

cheers
jOERG



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Re: Car charger to GTA02

2008-07-06 Thread Joerg Reisenweber
Am Sa  5. Juli 2008 schrieb Marco Trevisan (Treviño):
 btw has ever written the 
 howto (we was talking about some months ago) for adding an ID resistor 
 to a standard USB charger?

Too many different usb-connectors out there, most of them molded and break 
when you open.
So any howto very unlikely to appear.
I'm currently looking for suppliers for adapters, maybe we may find one (see 
kernel-ml)

cheers
jOERG


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Re: Dallas/Austin Group Purchase

2008-07-06 Thread Joerg Reisenweber
Am Do  3. Juli 2008 schrieb Josh Valdez:
 Just wondering if there is any more interest in the Dallas area for a group 
purchase. So far there are only three people. Also, we might be able to work 
something out with the Austin purchase as they almost have 20. To anyone in 
Austin, have you ordered yet?
 
 
 
   

Congrats!
your posting made it to 88% on spamassassin.
Nobody loves HTML-mail!
/j


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Re: applying screen protector

2008-07-06 Thread Joerg Reisenweber
Am Sa  5. Juli 2008 schrieb arne anka:
 hi,
 after a sight seeing tour cross town ups gave my om on thursday, yesterday  
 they dropped off the parcel!
 now, i'd like to apply a screen protector -- how do i disassemble the  
 freerunner so the protector fits the whole screen?
 i found
  http://wiki.openmoko.org/wiki/Disassembling_Neo1973
 but two questions remain:
 - do the steps apply to the freerunenr as well?
yes

 - which screws are to be removed? the two right and left of the lanyard  
yes

 hole? one has a sticker on top -- what does that mean?
nothing, I guess. just force screwdriver thru it
/j


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Re: applying screen protector

2008-07-06 Thread Joerg Reisenweber
Am So  6. Juli 2008 schrieb Joerg Reisenweber:
  hole? one has a sticker on top -- what does that mean?
 nothing, I guess. just force screwdriver thru it
btw: these are torx! Don't spoil with a phillips driver!!!


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Re: Dual Band GSM

2008-07-06 Thread Joerg Reisenweber
Am Sa  5. Juli 2008 schrieb Mikko Rauhala:
 la, 2008-07-05 kello 14:01 +0200, Sean Lynch kirjoitti:
  Does anyone know if there are any plans for a Dual Band GSM openmoko
  phone? It'd be nice to have an 850/900 phone for use in the States or
  in Europe.
 
 You're confused. The phones are triband 850/1800/1900 and 900/1800/1900,
 called 850 and 900 models for short because that's where they differ.
 (In hindsight, this probably invites the confusion for people who don't
 know GSM.)
 
 The upshot, generalizing horribly much, is that either phone will work
 on both sides of the pond in densely populated areas (where 1800/1900
 service is common), but not necessarily in the more rural areas of the
 wrong side (where 850/900 is commonly needed).
 
 One _does_ hope future models will be quad for increased flexibility
 (GTA03?).

That's the plan
/j


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Re: discount on invisibleshield protectors

2008-07-06 Thread Joerg Reisenweber
Am Mo  7. Juli 2008 schrieb Steven **:
 I don't have my Neo yet, but the case doesn't look like a material
 that would easily scratch.  Am I mistaken?

I posted my findings some weeks ago. No, I don't consider to protect Neo's 
housing (if it's only for I get a new one easily [sorry]. Or maybe I'd like 
some scars and shiny corners better than an ugly foil - though I guess you 
won't see scars. Search for scoopman on ML - ~10Y, no scars)
Screen protection probably is worth a thought (improved tactile IF on my 
PalmpilotV), but I'd always use an oversize sheet applied when front lid off. 
No f**king match the corner, place it right, cut-to-exact-fit.
YMMV though
/j


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Re: Assassin visiting the morgue...

2008-07-06 Thread Joerg Reisenweber
+1
need a dictionary to figure out what a particular app (diversity, assassin...) 
is meant for :-(
Just ridiculous, no? Please!!! Can we have decent names?! Even amaroK managed 
somehow. ;-)
/j


Am Mo  7. Juli 2008 schrieb Kevin Dean:
 How about Morbid and Macabre?
 
 On Sun, Jul 6, 2008 at 6:41 PM, Gilles Casse [EMAIL PROTECTED] wrote:
  Hello,
 
  Some recent projects names are a little bit 'haloweenistisc': assassin,
  morgue. Using them all along the year, on a dark device, argh...
 
  If this vein is pursued, please note that Alzheimer, Ebola, JackTheRipper
  are already reserved at sourceforge.
 
  What a chance :-)
 
  Gilles
 
 
  ___
  Openmoko community mailing list
  community@lists.openmoko.org
  http://lists.openmoko.org/mailman/listinfo/community
 
 
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 http://lists.openmoko.org/mailman/listinfo/community
 




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Re: Battery life case design

2008-07-02 Thread Joerg Reisenweber
Am Di  1. Juli 2008 schrieb [EMAIL PROTECTED]:
 I wonder, is it just me or are there enough people out there who are
 interested in having more power?  Enough people to make it worth while some
 company (maybe openmoko) to tool up to produce a new back cover for the 
 gta02 
 thats a few mm thicker so it can hold a battery the full size of the rear
 cover... then all we need is a custom battery that will fit in the cover and
 interface with the existing power pins on the rear of the gta02.  Looking at
 it we could easily gain 4-5 times the power with a large flat battery pack.

Don't forget there is WiFi and BT antenna on the backside, which you mustn't 
cover by a big battery.
GPS at top of device is no problem though, I think, as long as it has it's 5mm 
clearance to next metal (the ceramic zone).

cheers
jOERG


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Re: Battery life case design

2008-07-02 Thread Joerg Reisenweber
Am Mi  2. Juli 2008 schrieb Francesco Cat:
 FR only accepts 100 or 500 mA current I think. 
Nope, FR sets MAXIMUM USB current to either 0.1, 0.5, or 1A depending on 
what's detected to be connected. This doesn't mean it won't work with 600mA. 
Either you set FR to 500mA and lose ~100mA of power source, or you figure out 
what's going to happen when we push the limit to 1A and power source goes 
down with voltage at ~600mA until FR doesn't pull any more than that, might 
work too.
At least see wallcharger that CAN deliver 2A, but happily feeds FR with just 
1A.

 So yes, it will be 
 powered by it in the sense that the FR battery will have a longer
 life; but it should not be enought i think because the FR seems to
 need more than 100 mA and I don't think it will accept something like
 250mA. It's 500 or 100.

You can set arbitrary USB current limits by software, overriding the built-in 
detection. So a current limit of 250mA or 630mA is perfectly feasible I 
think. See spec of PCF50633 PMU.


 
 BTW: 6.58 Volts??? Strange... It should provide 5Volts to simulate a USB...
YEP! You'll need a LDO-regulator for 5V. 6.5V will burn the device and give 
you a very expensive yet exclusive doorstopper.

/jOERG


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Re: not being able to use Skype is a big problem

2008-07-02 Thread Joerg Reisenweber
Am Do  3. Juli 2008 schrieb Greg Bonett:
 Carsten Haitzler (The Rasterman) wrote:
  ...there are plenty of open alternatives. :)
 
 On that note, has anyone been able to run any open voip software running
 on the FR?

You might try to crosscompile twinklephone.com. When stripping out (by 
make-option) the KDE and QT stuff, and building a mere cmdline version, it 
should be pretty platform independent. commenting out the libboost-regex 
stuff will save you a lot of cumbersome library porting (heard building the 
whole Boost lib takes a scary xGB of diskspace :-o ) - I think it's only 
needed for the number-converting function, which you can easily live without 
for the first.

/jOERG


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Re: not being able to use Skype is a big problem

2008-07-02 Thread Joerg Reisenweber
Am Do  3. Juli 2008 schrieb Carsten Haitzler:
 On Wed, 2 Jul 2008 20:56:43 -0500 Forrest Sheng Bao 
[EMAIL PROTECTED]
 babbled:
 
 they both use ARM. freerunner is armv4, n8xx is armv5. (think of it like a
 pentium vs pentium-mmx - it has extra instructions in v5 compared to v4, but
 the vast majority of the core is the same). it can be run.. if you are lucky
 that the compiled binary doesn't use them. you can always write binary shims 
to
 interface binaries to existing libraries and system. you can manually 
hex-edit
 the binary and replace the armv4 instructions with v4 ones (insert etc).
 hacking a binary is not something that hasn't been done before. it's been 
done
 so many times there are many people who think of it as an art form... it 
just
 may be a LOT of work. 

Forget about editing skype-binaries - they're encrypted (p.8) and 
hashsum-checked (p.14 of [1]).
I tried to edit a simple alsa-device definition :-(, then some months later 
I've seen this:
[1]http://www.blackhat.com/presentations/bh-europe-06/bh-eu-06-biondi/bh-eu-06-biondi-up.pdf

Should cure any interest in skype :D
also see p.64  p.114

/jOERG


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Re: To clone a SIM via Freerunner ?

2008-06-29 Thread Joerg Reisenweber
Am So  29. Juni 2008 schrieb Steven Le Roux:
 Hi all,
 
 I plan to clone a future SIM to have a sports phone to  preserve my
 freerunner... But changing all the time from a unit to another will quickly
 get me bored...
 
 Is there a way to clone the SIM with the phone ? 
No way, neither with phone nor with other means. You can't read out the 
crypto.
You can ask your provider for a twin-card. That's exactly what you want.
/j


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Re: Ordering Free-for-all?

2008-06-28 Thread Joerg Reisenweber
Am So  29. Juni 2008 schrieb Dylan Semler:
 On Sat, Jun 28, 2008 at 3:45 PM, steve [EMAIL PROTECTED] wrote:
 
  The units are already shippin to EU. So see your disty there.
 
  The units for the US are on the docks,  The USA office is closed 2,3,4 
july
 
   Who gets three days off for the fourth of July?  That's ridiculous!
 
 -- 
 Dylan
 
 Type faster. Use Dvorak:
 http://dvzine.org

Type better. Use a decent email-client. ;P
Your post was just all quote. Bemuses me like hell.
/j


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Re: Slashdot post but no web store?

2008-06-26 Thread Joerg Reisenweber
Am Do  26. Juni 2008 schrieb Kevin Dean:
 ***
 audio quailty on the headphone is lousy due to a hardware bug - as mp3
 player useless
 ***
Quality rating is prone to individual bias.
Well, for nerds there will be projects similar to this one
http://www.redwineaudio.com/iMod.html
or this one
http://www.head-fi.org/forums/f6/apple-diymod-my-take-famous-imod-56k-killer-featuring-3g-4g-5g-nano-1g-269604/
I will come up with a DIY primer on how to cope with these way to lousy caps 
inside FR. 
Anyway there are ways to use the FR as a decent MP3-player without any mod at 
all, for all but the most high-end-audiophiles.


 
 A bug I reported (http://docs.openmoko.org/trac/ticket/1377) means it
 fails at being a personal audio player for now. The headset that came
 in the box with the 1973 and the Freerunner aren't particularly good,
 but that's ENTIRELY a subjective thing.
No we HAVE an issue with decoupling caps in FR (simply too small and cheap). 
However it depends on type of headphones used (impedance), and it's 
absolutely fine for line-out usage, like connecting to the car, home stereo 
etc.

 I connect my 1973 to my car's 
 AUX input and it sounds just fine. The issue he has is with the
 headset, not the jack. Either way, his assessment is true - headset
 quality and audio issues make using the Freerunner as a DAP impossible
 today.

Only (partially) true for usage with low impedance headphones.

 
 ***
 headphone only mono. i.e. only one side works
 ***
 
 This is wrong, mmontour corrected it it on Slashdot.

Yep, definitely. I used it for MP3-player (with original headset), and it 
wasn't THAT bad. Lower frequencies quite weak with low-Z-hs and on standard 
EQ-setting. I'm used to $600-headphones, so I noticed this. YMMV. Stereo 
anyway, so this is wrong info.


 
 ***
 headphone unusable for making phone calls due to EM-interferences
 ***
 
 Not sure if it's EM interference, but all the software I've used
 simply couldn't route the GSM stuff to the headset. I'm assuming it's
 a software issue but this is true in my experience, the included
 headset can't be used to make calls.

No, it's true, it's EMI to the mic. Probably you can fix it with a ferrite 
block on headset cable near to the jack (well, not quite nice... but as long 
as it helps. Not tested yet though - by me).



 ***
 GPS has 10 minutes TTFF - yes, in 2008 where every cheapo GPS gets a
 fix in 45secs
 ***
 
 I've not gotten a fix EVER on the GPS - it's a software issue, I
 assume because I've gotten the GPS hardware to respond while poking at
 it.

Our tests on GPS TTFF where quite comparable with some of the best devices 
available. However note there is some data GPS *has* to download from sat 
for virgin fix, which may take as long as 12min due to low bandwidth the 
sats offer (just takes this time for them to send one complete set of ephem 
and alm), and this download needs signal 30dB better than that for mere 
position fix. On tests done at Taipei the TTFF was around ~40sec without(!) 
AGPS, IIRC.
So this is a clear sw-issue.


 
 ***
 developer community alienated by Lauer  Co. GNOME knew why they
 kicked Rasterman out.
 ***
 
 Actually, this one might be trolling. I don't know about social
 politics, and frankly don't care. True or not, it's not relevant to
 the hardware sucking or being amazing.

Dunno whether Carsten and Mickey consider it worth to answer this. If they do, 
it'll make may day ;-)


 
 ***
 so called ASU software is pre-alpha and reinventing the wheel once again
 ***
 
 Fact.
 

So what. Everybody knows. Never anybody stated anything different.

To me he looks quite trollish.
cheers
jOERG


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Re: bands

2008-06-26 Thread Joerg Reisenweber
Am Fr  27. Juni 2008 schrieb W.Kenworthy:
 How is the freerunner switched between the two frequency band triplets?
 
 Software, new image, link, factory only, ...
 
 Asking because what happens if you move carriers and they support the
 other combination?

different build, factory only. No way to switch
/jOERG


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Re: bands

2008-06-26 Thread Joerg Reisenweber
Am Fr  27. Juni 2008 schrieb W.Kenworthy:
 :(

Well, there's probably no single provider using more than 1 (maybe 2) band.
The allowed bands depend on national regulations, usually 900/1800 or 
850/1900. 
So switching provider is what 3-band is made for. 
If you try to find a reality example for your scenario, it probably will 
include a move out of your country. That's why the different versions are 
called US(850) and Standard(900) sometimes.

/jOERG


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Battery life [was: Re: Can the Freerunner now be charged with 1 or with 2 Amp ?]

2008-06-24 Thread Joerg Reisenweber
Am Di  24. Juni 2008 schrieb Yorick Moko:
 It is known that the way you charge a battery influences the lifetime.
 Have there been any tests as to which is the best way to charge the
 freerunner?

Nope, didn't find the time to do the expected 500 charge/discharge cycles ;-)
Honestly, this is nothing FR or OM specific. Considerations valid for all 
LiIon batteries apply here as well.
AFAIK, it's much more important not to push the last electron into the battery 
that might fit in here, than to charge with lower current. Some notebooks 
allegedly have a treat battery nice option, that stops charging at 
~75%..90%. You could do this by adjusting the Vbat-max setting of PMU. Til 
now, nobody cared about it yet.

cheers
jOERG

PS: have a Nokia with a LiIon accu that's 7 Years old now, 100% uptime. Still 
is good for 70% of initial capacity. So yes, obviously LiIon *can* have 
longer live than just 2 years.


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Re: GPS

2008-06-24 Thread Joerg Reisenweber
Am Di  24. Juni 2008 schrieb Jisakiel:
 As a matter of fact that database would not even be needed, as we *do* have 
a GPS to get positions. So, for instance: 
 
 - A location is defined somehow, and *beforehand*. Say manually while being 
there, perhaps with some precission range attached (high: 1m, low: whatever 
error margin the GSM have). Or perhaps entering latitude and longitude, 
gotten from google maps manually or whatever. 
 
 - That location consists in some GPS coordinates, perhaps some wifis 
visible, and basically in which towers are we connected to.
 
 - When in range again of those 3 GSM towers, we know we are close to the 
location defined, and depending on the needed precision we can turn on the 
GPS if needed. Perhaps even the distance can be calculated more or less 
easily from the GSM signal information (I'd have to have a detailed look at
  http://wiki.openmoko.org/wiki/GTA01_gsm_modem#AT.25EM and its applicability 
to GTA02  , but a quick glance shows some promising information: 
 
  This information together with the list of neighbouring cells could be 
used for geolocation and potentially yield better results than using 
Signal-quality values for that. 
 )

also see: 
http://lists.openmoko.org/pipermail/openmoko-kernel/2008-April/002434.html

and:
http://lists.openmoko.org/pipermail/openmoko-kernel/2008-June/002987.html
 Please someone who's good at geographics/maps give it a try and report your
 findings. If I see a nice map with a couple of intersecting ring-segments,
 I'll invite you on a beer there :-)
I'll push up the reward to a 50€ for this one ;-) For the first correct and 
nice done map.

And here a link (not only) for people thinking this might be illegal (there 
have been some statements with words to this effect)
http://www.heise.de/ct/Redaktion/bo/mobilfunk/dateiformat.html
http://www.heise.de/ct/Redaktion/bo/mobilfunk/viag-netz.zip

cheers
jOERG


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Re: GPS

2008-06-23 Thread Joerg Reisenweber
Am Mo  23. Juni 2008 schrieb Francesco Cat:
 the FreeRunner will have a true GPS integrated, not only an AGPS
 system, wouldn't it?
 
 Because I was given the address of this flyer:
 http://www.pulster.de/info/pdas/openmoko/freerunner-flyer.pdf
 and I hope it is just out-dated
 
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AGPS is a true GPS, just a little bit faster ;-)
/jOERG


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Re: GPS

2008-06-23 Thread Joerg Reisenweber
Am Mo  23. Juni 2008 schrieb [EMAIL PROTECTED]:
 As I get it the AGPS is a 'true' GPS. The only differense is that agps
 is faster - it additionally uses signals from gsm stations for faster
 positioning. That's why it's called 'assisted gps'.

Nope, it uses info from a AGPS-server somewhere in internet. This info is 
location specific for reducing bandwidth. As it is somewhat paradox you have 
to know where you are to use (A)GPS, one way is to look at GSM to get an idea 
of your approximate position. As well you could enter name of next big town 
by hand. GSM isn't exactly related to AGPS.
/jOERG


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Re: 2.5mm or 3.5mm

2008-06-18 Thread Joerg Reisenweber
The vote is closed.
We decided to use 3.5mm.
Please see original thread!
/jOERG




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Re: Possible Camera

2008-06-18 Thread Joerg Reisenweber
Am Mi  18. Juni 2008 schrieb [EMAIL PROTECTED]:
 i don't think it would be a problem. Simple avr processor can handle
 this camera.
Yep, handle via I2C, no problem. But what are you going to do with the 
RGB-data-stream???

 And here we have 400Mhz processor with i2c support. The 
 question is do we have unused i2c bus to connect this camera?
I2C is a bus. You don't have to have a unused one, you can share the 
existing system-wide I2C bus.
But we don't have *any* sufficient number of GPIO spare on the CPU that you 
might use, not to mention there's a camera-interface that's dual-used for 
other things on FR. So no way to get the actual picture data to video-ram 
realtime for a viewfinder etc.

Suggest: use USB

/j


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Re: OEM market,any thoughts about that??

2008-06-17 Thread Joerg Reisenweber
Am Mo  16. Juni 2008 schrieb Al Johnson:
 On Sunday 15 June 2008, Joerg Reisenweber wrote:
  Am Sa  14. Juni 2008 schrieb steve:
   A big percentage of requests I get are for this, however, they always
   want some hardware twist.
 
  They don't exactly know our hw, I guess (e.g it's not commonly known we
  have a low-voltage-RS232, I2C, and separate power feed on internal
  debug-con / testpoints). Also some mods on hw are quite easy to 
accomplish,
  either for us or for them.
  I suggest, you forward their requests to me, and I'll have a look at it 
and
  see what's feasible EE-side with reasonable effort/cost.
  Would be a pity to send them away, just because we didn't check what we 
can
  do for them, no?
 
  cheers
  jOERG
 
 Is there any documentation available for these interfaces? They may be a 
good 
 alternative to USB for adding extra buttons, sensors or whatever in 
 alternative cases.

The debugcon should be kinda documented in the wiki IIRC. Most of the 
testpoints are documented right on the board by a printing. But no, I don't 
think there is a complete comprehensive doc yet.
Maybe if I really don't know how to kill my time eventually... ;-) Anyway 
you're wellcome to ask. I'm not allowed to publish schematics, but I shall 
answer _every_ reasonable question regarding hardware.

cheers
jOERG


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Re: Anyone working on a cron port?

2008-06-15 Thread Joerg Reisenweber
Am So  15. Juni 2008 schrieb Peter J. Holzer:
 On 2008-06-15 02:29:48 -0700, ian douglas wrote:
  Suppose I could check the project page, but it's 2:30am and I'm tired 
  and lazy. I was updating and installing some software on my Freerunner 
  tonight to test mp3 playback and noticed again that there's still no 
  mention of a cron engine in the opkg library.
  
  Anybody know if it's being worked on? I think that'd be an especially 
  handy tool to have. I'd go so far as to call it 'essential', at least in 
  my circumstance.
 
 I think a straight port of cron would be simple but not very useful.
 Cron is really designed for computers which run 24/7. 
 
 A cron-like tool for a phone (or any other device which is suspended
 most of the time) at least needs the ability to wake up the device in
 time for a scheduled job to run and go back to suspend mode after it has
 finished. But many jobs usually don't need to run at a fixed time. They
 can just run the next time the device is woken up by the user. Or the
 next time the device has AC power.

Yes, cron, at, and rtcwake have to be merged and augmented by awareness of 
powerstate (like kpowersave e.g) and some other environmental sensitivity 
(g-meters, GSM-signal etc)

I really wonder why THIS wasn't a GSoC project...

cheers
jOERG



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Re: moko running everything as root

2008-06-15 Thread Joerg Reisenweber
Am So  15. Juni 2008 schrieb Mikael Lammentausta:
  User John running sudo rm -rf /* is better than root running rm -rf
  /* because...?
 
 Because sudo can be configured to accept users in certain groups to
 run certain commands with or without a password. rm can be
 restricted, whereas opkg can be permitted without password.
 
 IMO, running everything as root introduces a whole world of possible
 exploitations without any real benefits.

YEP, exactly. Really wonder whether ssh is open to GPRS :-o (I had to fire up 
GPRS to check, my simcard doesn't allow right now. shame on me :-/ )
For sure it's no good idea to run the web-browser as root.

/jOERG


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Re: Anyone working on a cron port?

2008-06-15 Thread Joerg Reisenweber
Am So  15. Juni 2008 schrieb arne anka:
 anacron

see:
http://en.wikipedia.org/wiki/Anacron #Drawbacks
Also anacron doesn't address the rtcwake topic.
We should plan for something more versatile that's merging cron(/anacron), 
at/batch, rtcwake, and the other powermanagement and wake-from-suspend 
reasons to make a nice cute task-scheduler

/jOERG


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Re: moko running everything as root

2008-06-15 Thread Joerg Reisenweber
If you have root AND user, root can make a backup copy of user's valuable data 
every once in a while, and user or the virus she imported while browsing the 
web can NOT destroy this backup.
I can't follow your arguments. It's NOT an evil person we need to fence in, 
it's bad behaviour of applications that go nuts on (virus|bug|user fault|*)

If we don't start to care about this topic NOW, we will see lots of poor 
designed apps that rely on having root access where they shouldn't, and we 
end up in a situation like M$, where the whole system is so much root-centric 
that you simply can't switch to a sane user-management anymore, because it 
would break half the system. To fix those apps later is a major PITA.

I just talked to Wolfgang Spraul and he answered
But right now we are selling to hardcore developers only, so it's not  
our #1 priority.
Once our software becomes more stable and mature, this needs to be  
addressed seriously. The good news is that the FOSS community is  
pretty paranoid about this, so I'm sure over time we will have a good  
solution.
It's a FOSS project and you are the community, so just contribute! I'd say, 
do it *now*, as long as it's easy.

cheers
jOERG


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Re: When it will be possible to buy OpenMoko?

2008-06-14 Thread Joerg Reisenweber
Am Sa  14. Juni 2008 schrieb Rok Jaklič:
 Hi.
 
 I am sorry to be just one of the other 2 billion people who want to buy 
 this phone, but since I have to buy new phone, time is a pretty hard 
 limit for me.
 
 Since phone is already being produced in factory does anyone has some 
 estimated date when ordinary people could buy this phone?

In German OM-Forum freeyourphone.de I read, 
[quote]
www.truebox.co.uk hat geschrieben:
We will be ready to ship Freerunner kits, to those of you who expressed an 
interest to buy before 6th June, on the 1st July
(UK postage willing, in your hand next day). We will be emailing you more 
details soon.
We may have others to ship on 1st July if you let us know you want one now.
[/quote]

No idea how they estimated this date.
/jOERG


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Re: OEM market,any thoughts about that??

2008-06-14 Thread Joerg Reisenweber
Am Sa  14. Juni 2008 schrieb steve:
 A big percentage of requests I get are for this, however, they always want
 some hardware twist. 

They don't exactly know our hw, I guess (e.g it's not commonly known we have a 
low-voltage-RS232, I2C, and separate power feed on internal debug-con / 
testpoints). Also some mods on hw are quite easy to accomplish, either for us 
or for them. 
I suggest, you forward their requests to me, and I'll have a look at it and 
see what's feasible EE-side with reasonable effort/cost.
Would be a pity to send them away, just because we didn't check what we can do 
for them, no?

cheers
jOERG


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Re: Invisible Shield

2008-06-14 Thread Joerg Reisenweber
Am So  15. Juni 2008 schrieb Ajit Natarajan:
 Hi Steve,
 
 I recall a message posted a few days ago that Invisible Shield is 
 willing to make a custom full body protector for FR if they can get a 
 unit in house.  Any update on whether a unit can be sent to them or if a 
 unit has already been sent?
 
 Thanks.
 
 Ajit

Hey, Ajit.
I already told you they shall apply directly by using their official office 
address, so we have some guarantee they intend to do some useful thing and 
will send back the device. Please don't nag.
/jOERG


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Re: QVGA V/s VGA for GTA03 (was something about yummy CPU-GPU combos!)

2008-06-13 Thread Joerg Reisenweber
Am Fr  13. Juni 2008 schrieb Chris Wright:
 Since the alternative to using QVGA is using VGA with a faster GPU and
 processor,

One last time:
...OR USING VGA IN QVGA MODE WITH SAME PROCESSOR, AND SWITCH TO VGA WHENEVER 
YOU NEED THIS RESOLUTION.

It's all about nothing else than just saving some 5 bucks on the screen (which 
probably will not apply whenever this comes to reality, because you have to 
buy QVGA-screens from antiquities collectors then), and the allegedly 
*better* (huh?) quality of QVGA when compared to a VGA in QVGA-mode. All of 
this are moot arguments!!!

 and this is a phone that runs on batteries, I'm inclined to 
 encourage the use of QVGA on future Openmoko phones.
And WTF is the rationale behind this??? You're suggesting we should use slower 
cpu for saving battery or what? Yeah our GTA04 will probably have 8bit cpu 
and a 7-segment display, but no screen at all, and 4000h of standby time. 
(btw: standby isn't related to cpu-power-consumption at all)

 I have a phone 
 from 2002 with a battery that used to last a week; it annoys me to
 deal with much less than that.

Don't ask what I'm annoyed of!
Aaahrg, really sorry, but [ignore thread] now (last one of hw-dev leaving 
pointless discussion).
/j


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Re: Why not use foru

2008-06-13 Thread Joerg Reisenweber
Am Fr  13. Juni 2008 schrieb arne anka:
  Plus, forums usually have provisions for storage and selective
  notifications.
 
  you mail client doesn't store your email? wow! :)
 
 
 do you store everry mail?

No, kmail does (since I managed to do pop3-alike msg-retrieving over imap. 
IMAP SUCKS)

 as somebody said, the signal/noise-ratio here is rather bad (and i know,  
 this thread is adding to it), take the iphone-prices and -plans thread(s),  
 so there's a lot of mails one would delete -- but still sometimes you  

You're DELETING mails? Fella, get you a decent harddisk! Not worth the 
electric energy and keyboard wear.

 know, you read something in a amil long deleted and need to find it again.

Your fault. Just too bad. If you delete, you should know what you do.
I just go do a sweep search over my mail archive.

 
 but,
  http://lists.openmoko.org/pipermail/community/
 offers an archive, though it would be nice if every mail in  
 thread)/date/user/... view has a visible timestamp appended.
 
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Re: Why not use forum?

2008-06-13 Thread Joerg Reisenweber
Am Fr  13. Juni 2008 schrieb AVee:
 On Thursday 12 June 2008 17:30, Leonti Bielski wrote:
  Hi!
  I was wondering - why are we not using forum for community?
  It's much  better to view, you can subscribe and unsubscribe to the
  topics you want and etc.
  The main
  Personally I don't like mailing list because it's not that comfortable
  and I can see no advatages of using mailing list instead of forum?
  Can anyone explain to me why we can't install
 
 We really aren't going to redo this discussion again, are we?
 
 Last time we had these discussion[1] it ended up with some seting up a 
 forum[2] on http://forums.makeopensource.com/ Go there and be happy with 
your 
 forum if thats what you really want, but please stop redoing the same 
 discussion over and over again. 
 
 AVee
 
 [1] http://lists.openmoko.org/pipermail/community/2007-July/thread.html
 [2] http://lists.openmoko.org/pipermail/community/2007-July/008008.html
 -- 
 Human beings, who are almost unique in having the ability to learn from 
 the experience of others, are also remarkable for their apparent 
 disinclination to do so.
   -- Douglas Adams
 
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Thanks for this post! :-)
I suggest stopping this thread now, due to everybodies lack of anything new to 
contribute.
/j


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Re: moko running everything as root

2008-06-13 Thread Joerg Reisenweber
Am Sa  14. Juni 2008 schrieb Flemming Richter Mikkelsen:
 On 6/13/08, Robert Taylor [EMAIL PROTECTED] wrote:
  Peter Nijs wrote:
   no problems. what i don't want is people to get their hopes up. this 
was in
   the context of people asking if they can play vga video and me 
going good
   luck!. there is reality - and you can sit and hack away spend lots of 
time
   and get 1 case to work, and work well. as i said - it will depend on 
codec,
   bitrate, quality etc. mpeg4 decode in hw is great - but remember it is 
also
   limiting to just mp4 - all your mpeg1, ogg, etc. videos will not work. 
also
   as long as mplayer is accessing glamo hardware it must run as root.
   admittedly we run everything as root - but come the day when we 
don't...
   this is trouble.
  
  
  Hi.
 
  Can someone clear up for me why everything runs as root?  When I heard
  the iPhone ran everything as root I kinda sneered at it but now I can't
  be so smug.
 
  What are the engineering reasons for this?
 The reason is that the user normally wants to run a lot of root applications
 such as rdate, power off, opkg, etc. Of course this should be solved, but it
 should not be a top priority.

My opinion is averse. There's no valid reason to abandon the very simple 
concept of users, groups, and permissions, just to have an easy start on 
development (fixing apps later on is a PITA). If you don't care from 
beginning, you'll end up where Vista is right now. 
Where is the problem to chmod any file in /dev, /sys, etc. to do rdate, power 
off, opkg etc (ok, for opkg I myself would prefer to be asked for root pw). 
Or make apps SUID! Do we really have to repeat this annoyance yet *another* 
time?
If the user *really* wants to run these apps in the way you assumed (being 
pissed off to relogin as root), why not use ageold mechanisms like sudoers, 
wheel etc? 

To me it seems this is an *extreme* inattentiveness of developers, even worse 
a ridiculous one.

/jOERG


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Re: Why not use newsgroup?

2008-06-13 Thread Joerg Reisenweber
Am Fr  13. Juni 2008 schrieb Martin Bernreuther:
 Am Freitag, 13. Juni 2008 schrieb Alexey Feldgendler:
   By default you just download the headers without having to get the text
   of every message,
  
  You can do that with IMAP, which is the modern protocol for accessing your  
  mail.
 
 You can receive only the headers on the IMAP server???
 
 We're NOT talking about downloading only the headers from
 the IMAP server to a client machine, right? If the email is
 on the IMAP server, it's already too late: you've got the email
 (with an impact to your quota) and you have to get rid of it.

just move to /mydev/null. Real bargain: only 2cent/meg.
We care! *MyDev*, get rid of your data ;-)
/j



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Re: OEM market,any thoughts about that??

2008-06-13 Thread Joerg Reisenweber
I thought about similar things some time ago.
This device makes for a nice embedded controller for industries etc.
For sure it will be no big problem to sell without housing, and save a few 
bucks per device.

cheers
jOERG


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Re: Click Feedback?

2008-06-12 Thread Joerg Reisenweber
Am Do  12. Juni 2008 schrieb Esben Stien:
 That would be an extremely negligible latency and it would give us
 real time dropout less audio on the device, which is pretty crucial on
 such a thing as a phone. You really want dropouts in the audio when
 you use your system during a call?.
 

There will be NO dropouts (at least for call audio). The GSM audio path isn't 
routed through the system, it's direct way [mic - 8753-mixer - GSM] analog 
only (by default, you may change this).
We don't need low latency on a device like this, we need a way to mix 
concurrent sounds (like alsa dmix is supposed to do) in a way that's not 
eating up our cpu-resources.
Low latency on audio means some 10 milliseconds, and is important for 
musicians, maybe powergamers, but very much ot for a handheld device.

/jOERG



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Re: Acceleration in our pockets

2008-06-12 Thread Joerg Reisenweber
Am Do  12. Juni 2008 schrieb Peter Nijs:
 Isn't the shared bus an advantage because now it can use DMA? Maybe that's 
 why  
 it is possible to hook up an sd-card to the glamo anyway. I see no other 
 explanation why one would put an sd cardreader in a graphics ship. Please 
 tell me if and why I'm wrong.
 
 Peter
 
Good point. Would make perfect sense...
/j



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Re: Dual SIM?

2008-06-12 Thread Joerg Reisenweber
Am Do  12. Juni 2008 schrieb Bumbl:
 would it, in theory, be possible to emulate a 2nd sim-card which was 
 inserted and saved on the flash memory before
 and switch between it and the inserted one?

SIM cards implement an on-board crypographic authentication mechanism that 
simply can't be downloaded and saved somewhere else. You may download and 
copy your contacts, that's it. Noting else.

/j


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Re: Dual SIM?

2008-06-12 Thread Joerg Reisenweber
Am Do  12. Juni 2008 schrieb Yorick Matthys:
 
 this should do the trick:
 
 http://ucables.com/ref/2-SIMS-IN1
 or
 http://ucables.com/ref/SIM-CLONE
 you still need the IMSI and Ki numbers, but those can be obtained (at least 
that is what i read a long while ago)
 
 but emulating would be much more fun :)


[quote]
System Requirements: Software works best with Windows98
IMPORTANT NOTE: The device is only compatible with GSM SIM COMP128-V1, If you 
try to read a SIM card bought since June 2002 you may not be able to do it, 
because phone operator companies are changing the algorhythm for the 
implementation of KI and IMSI encryptation. 
[/quote]

Do you have MORE THAN ONE simcard that's older than 6years and you still want 
to use them?
/jOERG


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Re: Dual SIM?

2008-06-12 Thread Joerg Reisenweber
Am Do  12. Juni 2008 schrieb David Pottage:
 On Thu, June 12, 2008 3:21 pm, Bumbl wrote:
 
  would it, in theory, be possible to emulate a 2nd sim-card which was
  inserted and saved on the flash memory before and switch between it
  and the inserted one?
 
 In theory this is possible if you can extract the 128 bit crypto key
 inside the SIM which is used to authenticate the SIM card to the
 network. Because of weaknesses in the crypto algorithms used by GSM it
 is possible to extract that secret from a SIM card using about 60 000
 chosen challenges, which can be done in about 12 hours. (assuming the
 SIM card does not have a retry counter)
 
 If you manage to do all of that, then yes you could have as software
 copy of one or more SIM cards and switch between them, thought the GSM
 module will only ever be able to use one at a time.

And our GSM-module uses the card inserted in the reader by directly connecting 
to it, in the first place. You probably could emulate sim-auth profile over 
BT to the AT-port of GSM-module, though.
/j 




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Re: [OT]Re: Why not use forum?

2008-06-12 Thread Joerg Reisenweber
Am Do  12. Juni 2008 schrieb Andy Loughran:
 The developers must prefer mailing lists.
 

The day these lists go web-forum, I probably have to quit my job.
/jOERG 




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Re: GTA03 speculation [UNOFFICIAL]

2008-06-12 Thread Joerg Reisenweber
Am Do  12. Juni 2008 schrieb Ron K. Jeffries:
 I am the one who predicted GTA03 in December 2008
 here's my reasoning for targeting that date.
 
 as an aside, I think December is the
 LATEST date GTA03 will see the light of day.
 With the modest changes being made in GTA03,
 it would almost be irrelevant if delayed past then.
 
 
 GTA03 is a fairly small re-spin of GTA02.
 They are not doing anything very risky.
 
 The biggest change is a new GSM radio that
 supports EDGE, which is much faster
 than GPRS that GTA02 has.

Well the old modem chipset is very... uncomfortable to cope with (FW etc), and 
it's EOL I heard. Anyway the hw-changes aren't this big for the rest of the 
circuit, to handle a new GSM-module. After all it's a module ;-)


 
 second, the Glamo graphics chip added to GTA02
 (not in GTA01) was a disaster, pure and simple.
 so it will be ripped out.

GTA01 is working without, so it seems not to be a risky adventure to kick it.

 
 third, the headset connector will change to 3.5 mm.
 I suspect but can not prove that there will also
 be improvements and cleanup in the audio circuitry.
 
 they are adding a camera to GTA03, which is a good thing.

And looks like low risk. Simple interface. Well you never know... :-/


 
 the case design will evidently be changed significantly.
 
 OpenMoko are NOT doing major surgery vs GTA02,
 such as switching to a new processor
 
 CONCLUSION
 for someone who is anxious to ~develop~ on Freerunner
 GTA02 is THE model to buy, because time is of
 the essence.
 
 for someone who has a reasonable alternative,
 and will mainly be a Freeruner USER
 rather than developer, it may or may not
 make sense to wait for GTA03.
 
 I have ZERO repeat NO (!!)inside information,
 so I may well be totally WRONG.

There's nothing I can correct you, though I'm also not sure about many of the 
details you stated, and this is *no* verification of what you mentioned. My 
Motto Of The Year: plans change quickly... 

/jOERG


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Re: GTA03 speculation [UNOFFICIAL]

2008-06-12 Thread Joerg Reisenweber
Am Do  12. Juni 2008 schrieb Ken Young:
 Ron K. Jeffries wrote:
 
  GTA03 is a fairly small re-spin of GTA02.
  They are not doing anything very risky.
 
  The biggest change is a new GSM radio that
  supports EDGE, which is much faster
  than GPRS that GTA02 has.
 
 Do we know if the problem which reduced the number of usable
 GSM frequencies from four to three will be fixed on the GTA03?
 To me, that seems like at least as big a problem as the Glamo.

Nah, if you're not travelling twice a week around the whole world, you can 
happily live even with a dual-band cellphone on nearly every place in the 
world.
For *me*, quad-band is very low priority on any phone I consider to buy.
/j


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Re: Dual SIM?

2008-06-11 Thread Joerg Reisenweber
Am Mi  11. Juni 2008 schrieb Adilson Oliveira:
 So, cells like the samsung d880 just swap electrically between the 2 SIM
 cards? The spec say you can use both cards at the same time but don't
 say exactly what same time means.

There are phones out there that use 2 or 3 cards true-concurrently. I'm 
speaking of modules we can use for freerunner - I don't know of any that's 
supporting this feature.
/j


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Re: QVGA V/s VGA for GTA03 (was something about yummy CPU-GPU combos!)

2008-06-10 Thread Joerg Reisenweber
Am Di  10. Juni 2008 schrieb Carsten Haitzler:
 On Tue, 10 Jun 2008 17:16:06 +0800 Wilkinson, Alex
 [EMAIL PROTECTED] babbled:
 
  0n Tue, Jun 10, 2008 at 01:43:08PM +0800, Carsten Haitzler wrote: 
  
  we are in a world where to get gfx support to run such high 
resolutions
  means we need to have closed drivers. and that is not
  
  Curious, why is that ?
 
 graphics is the most intensive thing your device is likely to do in terms of
 processing. if you want soft drop shadows, alpha blending (and trust me -
 everyone is drooling for it out there - the iphone is doing it already) the

No, I won't trust you here! I give a SH*T on soft shadows, even on my desktop. 
I switch off animation because I think it's annoying waste of time to 
see the same movie over and over. Alpha blending? Eeew! Useless.

Every single argument been mentioned multiple times here. Redundance. 
GTA03 has VGA - period! 
04 even better i'd bet on it. 05 virtually no-one even thinking of now, not to 
mention sourceability of parts when it's coming to real.

And now I'm definitely stopping to feed this tro.. er, thread, which btw seems 
nobody is looking on the weird subject any more :-/
ETX
jOERG


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Re: QVGA V/s VGA for GTA03 - product management, features assumptions

2008-06-10 Thread Joerg Reisenweber
full ACK
/j


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Re: No 3G for GTA03, 2G/EDGE only?

2008-06-10 Thread Joerg Reisenweber
Am Mi  11. Juni 2008 schrieb ian douglas:
 As an aside, when comparing 2G and 3G:
 
 Even according to Apple, the new iPhone 3G model will get up to 10 hours 
 of talk time on 2G but half as long (5 hours) in 3G mode.
 
 I'd love to learn more about how voice quality differs between 2G and 3G 
 -- if a future GTA device gets 3G capability, I'd probably want to limit 
 my calling to 2G but switch to 3G for data, if that'd even be possible.

I heard Nokia needs a reboot to switch, and eats battery as if there's no 
tomorrow on 3G ;-)
/j


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Re: Is case design changing for GTA03?

2008-06-09 Thread Joerg Reisenweber
Am Mo  9. Juni 2008 schrieb Flemming Richter Mikkelsen:
 On 6/9/08, Dotan Cohen [EMAIL PROTECTED] wrote:
  2008/6/9 Robert Taylor [EMAIL PROTECTED]:
   With a modular design like that, then you could have one device shipped
   out with many configurations possible.
  
   You could then buy the external case for playing games, one with a
   keyboard, etc.
  
   That would really set it appart.
  
   So how about thinking of th 03 and onward in such a modular way?
  
   Oh, my vote is for usb.
  
 
  I would also vote for a USB connection. Easier to set up, and the
  peripheral can take power from the phone.
 
 It is good that the Y cable is invented:)

Was a fun and a pleasure ;-) You're welcome!
/jOERG


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Re: Is case design changing for GTA03?

2008-06-08 Thread Joerg Reisenweber
Am So  8. Juni 2008 schrieb rakshat hooja:
  We also got a camera on GTA03.
 
  cheers
  jOERG
 
 
 
 
 Any specs of the camera. 
This was a quote of a previous posting of another OM-engineer (Carsten IIRC).
Honestly I'm designing on the actual schematics and I have no idea yet about 
any camera specs at all. As mentioned before: plans change rapidly 
sometimes. ;-) And quote GTA03 is about evolution, not revolution/quote

BTW the thread was/is about case design (which btw isn't my job anyway)

cheers
jOERG


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Re: InvisibleShield screen protectors

2008-06-08 Thread Joerg Reisenweber
Am So  8. Juni 2008 schrieb Yorick Matthys:
 Does anybody know if the FreeRunner's case is adequatly scratch-resistant? 
(I'll post this question on the device-owner list)

It's like every of those mockup-rubber softtouch-surfaces: amazingly 
insensitive to small scratches, but especially on aged plastics (probably 
when the softener has evaporated partly over the times, tested for some GTA01 
case) you can eventually peel off the whole maybe 0.05mm thin coating with 
your fingernail by applying brute force, creating a e.g. 0.05x1.5x10mm bold 
scratch. 
So in some respect it's more sturdy than ordinary shiny plastic which gets 
dull by lots of microscopic scars very easy, in some respect the damage done 
to it is more severe when it ever happens (you probably couldn't scratch any 
other plastic, like the one found on the two outer 'rings' of Neo's case, 
with your fingernail).
I have a 15 year old sony scoopman with same kind of surface. It has been 
living in my pocket for ~10y 24/7/365, and still looks pretty good. It has 
one ~1.0x1.5mm scratch of the kind described above, and one corner got shiny, 
rest almost as new.

To use a screenprotector sounds like a good idea to me. Best way would be to 
remove the front lid (see wiki on how to do that) and place an oversized one 
directly on the LCM. You may use any type of protector that meets your taste 
and is large enough to cut it to fit.

Just my 2 €cent, YMMV
/jOERG


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Re: QVGA V/s VGA for GTA03 (was something about yummy CPU-GPU combos!)

2008-06-07 Thread Joerg Reisenweber
Am So  8. Juni 2008 schrieb Carsten Haitzler:
 but there is definitely a i want as insane a dpi as i can get group here.
 this is for sure. the question is - is it really the majority of users. :)

No it's not at all the question - other than for academic insight. 
If a VGA-screen isn't much more expensive than a Q, if we can drive a VGA as Q 
without problem or speed-penalty to do sane video etc., and if it's correct 
we used a VGA so far - we won't change this. No way!

cheers
jOERG


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Re: Is case design changing for GTA03?

2008-06-07 Thread Joerg Reisenweber
Am So  8. Juni 2008 schrieb Ron K. Jeffries:
 I'm almost sure I read a comment saying (in passing) that
 Freerunner case design will change for GTA03.
 
 Is the change strictly to accommodate the new 3.5mm plug
 for the headset, or are other changes being considered?
 

We also got a camera on GTA03. Changes will be significantly more noticeable 
than only making a 2.5mm hole 3.5mm ;-). Let me put it this way: probably we 
won't even consider to ship a lanyard for accessory. ;-)

cheers
jOERG


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Re: QVGA V/s VGA for GTA03 (was something about yummy CPU-GPU combos!)

2008-06-06 Thread Joerg Reisenweber
Am Fr  6. Juni 2008 schrieb Flemming Richter Mikkelsen:
 When it comes to GTA03, I will not buy one (because I buy the GTA02),
 so I will not be the target. Maybe QVGA is a good solution, or maybe it
 should be an option when you buy

If I got that right, we just need to tune some of the LCD-driver settings, to 
get QVGA performance on a VGA screen(OWTTE). So the ONLY argument for a QVGA 
screen is the marginal lower price (and it allegedly looks better than a VGA 
in QVGA mode which I don't understand) - but this would clearly be no bargain 
at all if we go for more expensive offer of QVGA *OR* VGA option. Absolute 
nonsense, it costs 100 somecoin to replace the screen with a 30 somecoin 
cheaper one 'on customer order'.

I opt for VGA and give us a way to drive it QVGA whenever speed is a main 
concern (think someone said this before?). For GTA03 I'd prefer to have the 
SAME LCM as GTA02, just to reduce design risk. NO capacitive ts, NO QVGA LCD 
screen! :-/ Just my 2 cents from HW-dev
/jOERG


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Re: GPS -- AGPS

2008-06-05 Thread Joerg Reisenweber
Am Do  5. Juni 2008 schrieb Lally Singh:
 AFAIK, the AGPS allows you to upload additional information into the
 onboard correlator (the CPU that does the actual location calculations
 for GPS) to enhance the accuracy over what you get with simple
 satellite triangulation.

It's about reducing TTFF, not increasing accuracy [1]. Basically you tell the 
receiver which sats it should expect, so it doesn't have to check all 
possible channels and download the data from sat (AFAIK). See ephem and 
alm in uBlox paper.

[1] Increasing accuracy is differential-GPS, where you have a reference 
receiver at known position, so you can tell pos of 2nd relative to ref in 
sub-meter accuracy.

Also see: http://wiki.openmoko.org/wiki/Hardware:AGPS which I found just after 
typing the above.

/j


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Re: GPS -- AGPS

2008-06-05 Thread Joerg Reisenweber
Am Fr  6. Juni 2008 schrieb Flyin_bbb8:
 just wanted to add, Differential GPS is mainly for aircraft GPS systems to
 get better guidance on the ILS (Instrument Landing System).
 

Aaaaha, I seen it being used for all sorts of archeology and buildings 
construction purposes.
And from the info in the uBlox-paper, regarding the protocol options it 
doesn't seem to me like there is much chance for better precision by the way 
they do A-GPS.
Better precision would mean info on meteorological interference (like exact 
amount clouds on the way to sat) at the very location of the receiver. To get 
this, you need... a reference receiver, so we are at D-GPS again.

/j


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Re: using the openmoko neo101 in mass storage mode

2008-06-04 Thread Joerg Reisenweber
Am Mi  4. Juni 2008 schrieb Andy Green:
 Somebody in the thread at some point said:
 | On Fri, May 30, 2008 at 11:53:29AM -0700, Matt Mets wrote:
 | I believe this has been discussed at some point, but there is a
 | file-storage module that emulates a mass storage device:
 | http://www.linux-usb.org/gadget/file_storage.html
 |
 | I don't see it included in the preview ASU package, but it should be
 | trivial to build separately.
 |
 | The issue (that I see, anyway) is that it requires exclusive access to
 | the drive that it uses for the storage.
 |
 | I think we could get around with pretending to be a digital camera / media
 | player instead. IIRC the protocol prefered by windows for these is more
 | like a file server protocol (i.e. commands at file level) although maybe
 | windows doesn't allow to download files from media players and may not
 | allow to upload on cameras.
 | But that should get around the exclusive access problem.
 |
 | Also there could be an image file which is shared via USB storage so no
 | need to unmount the SD card.
 
 That is true, Joerg also mentioned a separate partition which works as
 well.  Each requires a fixed allocation of storage from the medium but
 it isn't death.
 
 The thing that bothers me is the effective requirement to force unmount
 the filesystem either way.  It's for sure you wanted that filesystem
 mounted in the device when it isn't presented as mass storage gadget, so
 it limits you to scenarios where you never hold the files in there open
 long term.  So media playing or camera kind of usage would be OK as we
 are familiar with from mp3 players as mass storage, but there are many
 other kinds of access that hold a handle open on the file long term, eg,
 database file.  Especially when it's your /home that is getting shared,
 on a Linux box you might have a few painful bleeding stumps if you
 plugged it in and forced umount (which some folk anyway deliver by
 looking in lsof -n | grep mountpoint and killing everything).
 
 Another side of it is I use the GTA02 tethered by USB cable to a host
 for power and Ethernet-over-USB access, if I used the mass storage
 gadget as well then I would likely not want the modal behaviour that my
 storage filesystem is forced unmounted the whole while I am hooked to
 the host.  I would transfer files and then want to do something with the
 files during a session.
 
 These objections don't really kill mass storage gadget as something to
 consider, but sharing a filesystem at the network layer just doesn't
 have these problems and acts like we are used to in normal Linux usage.
 ~ It's annoying that basically Windows will drive us to decide which way
 to jump or if to implement both, but there we are.

Sometimes it's quite inspiring to look to the ways others cope with the issue. 
Nokia for instance is popping up a requester asking whether you want to have 
mass storage profile or [fill in any conflicting mode here], then when you 
select mass storage device it even disconnects GSM and blocks UI (I've been 
told) - I'd guess they have the same kind of problems and solved them by 
doing what we would call init 1. And hey, we can do same - no?
Not cute, but very clean and simple. Probably when you want mass storage, you 
have to live with solutions like this.

cheers
jOERG


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Re: using the openmoko neo101 in mass storage mode

2008-06-04 Thread Joerg Reisenweber
Am Mi  4. Juni 2008 schrieb Andy Green:
 Somebody in the thread at some point said:
 
 Yes init 1 sounds like the kind of medicine that matches the problem,
 but actually doing telinit 1 when you want to share storage is pretty
 harsh.  I know it's a bit unfair but imagine if that was how things were
 on a Linux laptop.

Actually that's the way things are on laptops (admittedly Mac). You hold a 
button on boot, and the whole device is nothing but a very expensive external 
USB(/firewire)-storage device. Even they didn't consider to have any UI up 
during this mode. 
AFAIK (No Mac here)

Anyway to me it's not of this high priority to have WixXXx-compatible mass 
storage. As long as things will PnP with all kinda *nix-systems.

so just my 2 €cent
jOERG


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Re: duplicate mail

2008-06-04 Thread Joerg Reisenweber
Am Mi  4. Juni 2008 schrieb Philippe Guillebert:
 Hi list,
 
 Am I the only one to get some of the e-mails on this list twice ou more 
 ? looks like the issue is back ...
didn't motice it lately. But it's individual issue, seems we won't fix it. I 
do an occasional CTRL-* on my mail-UA to delete all duplicates (that's kmail)

cheers
jOERG


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Re: OT: TinyURL [Was: OT: ajax image galleries]

2008-06-04 Thread Joerg Reisenweber
Am Do  5. Juni 2008 schrieb AVee:
 On Wednesday 04 June 2008 22:55, Andy Powell wrote:
 
  tinyurl is useful instead of typing in twattishly long urls which many
  sites insist on using. Generally you don;t want to click on a link 
provided
  by someone you don't know/trust. Not only that but if I use this url as an
  example - look what your mail client / this mailing list does to it (break
  it on wrap)
 
 If looked, the long url is perfectly fine, on one line and clickable. So the 
 mailing list doesn't break anything, neither does does my mail client. 
 
 Having said that, tinyurl might actually make live easier for some people 
 (e.g. those who should get a decent mail client), I don't 'hate' them. But 
 please at least also include the original url. These mails are archived and 
 both the email and the linked page may outlive the tinyurl service. You 
might 
 end up loosing usefull information there. 

+1. Never consider to click a tiny-url
/j

btw: my URLs I see aren't mangled in any way
btw2: html-only postings are skipped by default

@admin: could we have a filter for this?


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Re: OT: TinyURL

2008-06-04 Thread Joerg Reisenweber
Am Do  5. Juni 2008 schrieb Stroller:
 
 On 4 Jun 2008, at 18:12, Joseph Reeves wrote:
  ...
  TinyURL on the other hand... Why would anyone ever use that? I never
  click on links unless I know where they link to. Here's a plan for
  abuse:
 
  1: Discover browser 0-day exploit
  2: Put up a gallery of FreeRunner pictures on a website
  3: Point a tinyurl at the gallery
  4: Wait until everyone's linked to it and is clicking it
  5: Change gallery to 0-day exploit
 
  Or even easier:
 
  1: Link to goatse.
 
  TinyURL takes all the best practice Internet guidlines you try and
  teach people and ruins them all. Can't stand it.
 
 TinyURL itself protects you from this.
 
 All you do is go to http://tinyurl.com/preview.php, click on the  
 enable previews link and it sets a cookie on your PC. Thereafter,  
 everytime you click on a TinyURL link it shows you first what website  
 the link redirects to, and you then have to click again to make a  
 manual redirection.
 
 Maybe your email client is perfect, and never has a problem with  
 mangled URLs, but for the rest of us TinyURL is very useful.
 
 Stroller.


Aww,forget it


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Re: Question about future devices (GTA03,04)

2008-06-03 Thread Joerg Reisenweber
I'm just working on improving the schematics (like quite some other guys of OM 
staff), but we at EE are not deciding on key features of future products, we 
are provided with specs on what to design.
Anyway your suggestions and requests will be noticed when posted in this list.

cheers
jOERG


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Re: Our new Main page of wiki

2008-06-02 Thread Joerg Reisenweber
Am Mo  5. Mai 2008 schrieb steve:
 Received: from localhost ([127.0.0.1] helo=sita.openmoko.org)
 by sita.openmoko.org with esmtp (Exim 4.50)
 id 1K32Dg-0001Yg-F5; Mon, 02 Jun 2008 07:04:32 +0200
  Received: from smtp115.sbc.mail.sp1.yahoo.com ([69.147.64.88])
 by sita.openmoko.org with smtp (Exim 4.50) id 1Jt5nq-0005hh-NB
 for community@lists.openmoko.org; Mon, 05 May 2008 20:52:59 +0200
  

WOW! yahoo is great ;-)


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Re: gsmd correctness question

2008-06-02 Thread Joerg Reisenweber
Am Mo  2. Juni 2008 schrieb Bin Chen:
 Hi,
 
 I am just looking at the code of gsmd2, I doubt whether a condition
 has been processed. Suppose a command is send but during the wait time
 of the response, another unsolicited command sent to the AP and the
 name is the same:
 
 AT+CREG?
 
 +CREG: 2  (1)
 
 +CREG: 0,1 (2)
 
 The (1) is an unsolicited command from BP side but the (2) is the
 actual response for the AT+CREG?

A brief googling and look at AT+CREG? makes me think this never will happen. I 
guess +CREG: response should be always the same, no matter whether solicited 
or unsolicited.
An unsolicited response may occur on right mode (CREG=1 or 2) whenever cell 
reselect or sth like that happens. Your response under (2) tells mode=0, 
status=1 which due to the 0-mode wouldn't allow for unsolicited 
creg-responses.

Not thoroughly checked though. Please compare format of possible unsolicited 
creg-answers.
/jOERG


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Re: Our new Main page of wiki

2008-06-02 Thread Joerg Reisenweber
Am Mo  2. Juni 2008 schrieb Joerg Reisenweber:
 Am Mo  5. Mai 2008 schrieb steve:
  Received: from localhost ([127.0.0.1] helo=sita.openmoko.org)
  by sita.openmoko.org with esmtp (Exim 4.50)
  id 1K32Dg-0001Yg-F5; Mon, 02 Jun 2008 07:04:32 +0200
   Received: from smtp115.sbc.mail.sp1.yahoo.com ([69.147.64.88])
  by sita.openmoko.org with smtp (Exim 4.50) id 1Jt5nq-0005hh-NB
  for community@lists.openmoko.org; Mon, 05 May 2008 20:52:59 +0200
   
 
 WOW! yahoo is great ;-)
 

Ooops, no! It's sita.openmoko. Thanks for moderating our mail!


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Re: gsmd correctness question

2008-06-02 Thread Joerg Reisenweber
Am Mo  2. Juni 2008 schrieb Michael 'Mickey' Lauer:
 On Monday 02 June 2008 11:34:07 Bin Chen wrote:
  I am just looking at the code of gsmd2, I doubt whether a condition
  has been processed. Suppose a command is send but during the wait time
  of the response, another unsolicited command sent to the AP and the
  name is the same:
 
  AT+CREG?
 
  +CREG: 2  (1)
 
  +CREG: 0,1 (2)
 
  The (1) is an unsolicited command from BP side but the (2) is the
  actual response for the AT+CREG? command, if this case happens, has
  gsmd2 processed it correctly?
 
 I don't know about gsmd2 offhand, however in general there are two ways to 
 deal with this problem:
 
 1.) Disable sending unsolicited responses between commands. There's a 07.07 
 command to control that.
 
 2.) Allow sending unsolicited responses at all times (this is better for 
 latency) and dedicate an own GSM channel for unsolicited responses.

Which latency?

/j


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Re: Question about future devices (GTA03,04)

2008-06-02 Thread Joerg Reisenweber
I'm not sure about my NDA, but this topic has been around quite some while 
now. So mickeyl says it's about evolution, not revolution. GTA03 -the 
recycled name- (which I'm working on the electric schematics of the device 
right now) is an improved version of GTA02 (if plans don't change ;), fixing 
some bugs/annoyances/EndOfLive-chips-issues of GTA02/FR (like kicking 
glamo) and introducing some gimmicks not worth (IMHO) to mention in the tech 
specs (mostly design). We will have a 3.5mm audio connector mostly compliant 
to 
http://content.omtp.org/Lists/Publications/Attachments/36/OMTP_Local_Connectivity_Wired_Analogue_Audio_v1_0.pdf
(augmented with some of my weird ideas like stereo line-in, if it pans out) 
and it's our first goal to make a (even more) stable device based on what we 
done so far. 
GTA04 OTOH is about breaking new shores trying to bring exiting new power to 
the Neo line.
{{to the best of my knowledge this info is not exceeding a summary of what's 
been already published by others in IRC and mailing lists so far. Maybe Sean, 
our boss, likes to give more detail}}

Nobody should wait for GTA03 if you decided you like have an 02 (for some of 
the GTA01 owners YMMV). 
GTA04 is a different thing and I dare to assume won't escape of vaporware 
status this year.

All this been told to you by some other person ;-). Plans change rapidly 
sometimes. Please don't quote me when you think you have to complain about I 
dunno.

Your hardware development guy
jOERG



Am Di  3. Juni 2008 schrieb Sergey Volkov:
 Hello, openmoko community.
 
 I have a question regarding future products of Openmoko. Wiki says
 http://wiki.openmoko.org/wiki/GTA that GTA03 is actually HXD8, a car
 navigation system. This claim is based on a post by Michael Lauer,
 http://lists.openmoko.org/pipermail/community/2008-May/017061.html.
 
 But IMHO that inference is not obvious:
 
 Martin Bernreuther writes:
  looking at the Wiki, there're also speculations about another Neo-like 
device:
  http://wiki.openmoko.org/wiki/HXD8
  This seems not to correspond to the GTA04. (Maybe  HXD8==GTA03?)
  Is there a more complete roadmap about the Neo-Productline somewhere?
 
 And Michael Lauer replies:
   device: http://wiki.openmoko.org/wiki/HXD8
  This cat is long out of the box. It's the Dash Express device.
 
 For me the actual question of GTA03 vs. GTA04 remains unanswered.
 
 Also, Michael Lauer recently posted
 http://lists.openmoko.org/pipermail/openmoko-kernel/2008-June/003020.html
 following on the openmoko-kernel list:
 
  I don't want to talk too much about future products, but I would vote 
against
  going away from NAND for 03 -- there's too many business risks. 03 is 
about
  evolution. 04 is revolution.
 
 This makes the issue completely unclear, esp. GTA03 part. AFAIK (my
 opinion stems from
 the discussion which took place in May on the hardware list) GTA04 is
 a brand new
 device based on a more advanced SoC. But it's very hard to find any info on 
03.
 
 Could anybody unveil the GTA03 mystery? What are the hardware specs, will 
the
 shared-slow-videoRAM-bus issue be fixed (for me it's the main reason
 to wait for the
 next device)?
 
 Any comments from openmoko employees are especially welcome ! (:
 
 PS don't kick me too hard, it's my first post to this list (;
 
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Re: Private data protection.

2008-06-01 Thread Joerg Reisenweber
Am So  1. Juni 2008 schrieb Kim Alvefur:
 On Sun, 2008-06-01 at 10:55 +0300, Ilja O. wrote:
  Also portable self-destruction hardware would be nice.
 
 echo overload  /sys/devices/blaha/battery
 

LOL :-)


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Re: Freerunner test

2008-05-31 Thread Joerg Reisenweber
Am Sa  31. Mai 2008 schrieb Mike Montour:
 Kevin Dean wrote:
 
  I'd like to reconfirm this before reporting, or at least kill my
  theory before reporting on it and creating a false lead. It seems that
  the SIM itself is important.
 
 Two likely factors affecting GSM buzz are: which band it's using (850 or 
 1900), and the transmitted signal strength (how far it is from the 
 tower). If you had SIMs from different carriers I could easily see these 
 factors being different. I can't think of a reason that two SIMs from 
 the same carrier would differ, except for randomness in which tower it 
 happened to use.
 
 It looks like one of the 'Engineering Mode' AT commands can at least 
 report which band you're on and the base-station ID. There is also a 
 transmit power field listed, but when I tested it a minute ago it was 
 always 0.
 
 
http://wiki.openmoko.org/wiki/GTA01_gsm_modem#Serving_Cell_Information_.282.2C1.29

you read this field during a call when actually transmitting audio (NO 
silence)?

For the rest: ACK
/j


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Re: using the openmoko neo101 in mass storage mode

2008-05-31 Thread Joerg Reisenweber
Am Sa  31. Mai 2008 schrieb Lally Singh:
 On Sat, May 31, 2008 at 12:09 PM, Ilja O. [EMAIL PROTECTED] wrote:
  wild speculation
 
  Having two memory card slots (one for OS, one easy accessible for
  usage with changeable memory cards) could be nicer than standard
  (current) architecture. You flush operating system with simple card
  reader. Ant this eliminates need in backup OS (currently stored in NOR
  flash, afaik).
 
  Also this would make phones' main memory easy expandable.
 
  It sounds nice!
 
  /wild speculation
 
 Also, a second, externally-accessible slot would be nice for external
 peripherals that need more than what USB can provide.

You're talking about bandwidth of SD vs USB1.1, not 500mA power supply, 
right?

/j


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Re: 2.5mm or 3.5mm

2008-05-31 Thread Joerg Reisenweber
Am Sa  31. Mai 2008 schrieb Mike Montour:
 Joerg Reisenweber wrote:
  your link: that's it
  Thanks for sharing your thoughts and giving this link
 
 If you do choose a 4-pin 3.5mm connector to be compatible with iPhone 
 (or with another major vendor), please double-check that you use the 
 same pin assignments. This forum post:
 
 http://discussions.apple.com/message.jspa?messageID=5262651
 
 says that the iPhone plug uses: tip=R, ring1=L, ring2=Common, sleeve=Mic 
 (which is not what I would have guessed).

WAAH, they're NOT compatible to usual headphones which have tip1=L 2=R,
(3)=4=GND. 
3=GND, 4=mic makes their HS inoperable with any usual Walkman, though you 
still can use Walkman HP on their IPhone (the jack shorts 3 + 4).
base4 is sleeve = shielding by definition and by design of jacks, so this is a 
bad choice for mic signal :-(((
What a crap is THIS?

Our design goal is to be compatible to classic 3.5mm headphones at very first, 
(while still supporting full mic functionality for HS) so at least left and 
right won't be connected the way apple does.

In fact we already did and will follow / stay close to:
Nokia AV-connector spec.
http://www.forum.nokia.com/main/resources/technologies/connectivity/av_connector.html
and maybe augment this.

/j


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Re: Freerunner test

2008-05-31 Thread Joerg Reisenweber
Am Sa  31. Mai 2008 schrieb Mike Montour:
 Joerg Reisenweber wrote:
 
  
http://wiki.openmoko.org/wiki/GTA01_gsm_modem#Serving_Cell_Information_.282.2C1.29
  
  you read this field during a call when actually transmitting audio (NO 
  silence)?
 
 I called the Neo from my other (non-GSM) phone and listened to that 
 other phone. The Neo was transmitting some audio, although it was only 
 its GSM buzz and an echo of the audio from the other phone.

So transmitter should be !=0 then, I guess. Looks like a bug. Please try to do 
multiple readings of this value, while making sure there is some real data 
(voice) to actually transmit. Reading of tx-pwr might be very momentary.

/j


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2.5mm or 3.5mm

2008-05-30 Thread Joerg Reisenweber
Hi community!
A short poll: on a future GTA0x (2), would you prefer to have
A) standard 2.5mm headset (mic+phones) connector, where you have to buy a 
cheap adapter if you want to use your old headphones, (the way like it's 
for GTA01/02)
or
B) classic 3.5mm headphones Walkman(R) connector, where you have to DIY an 
adapter for any standard cellphone headset? (or does anybody know of 3.5mm 
headSET standards or adapters?) 


please hurry to vote, we have to make a decision. Thanks

cheers
jOERG
Openmoko-HW-development


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Re: kids phone

2008-05-30 Thread Joerg Reisenweber
Am Fr  30. Mai 2008 schrieb [EMAIL PROTECTED]:
 Hello,
 
 I'm contemplating making a kids phone from a Freerunner.
 
 I'm supposing the software part will be doable:
 
 - interface with a few large icons
 - it should be possible to make a call to the phone and it will answer
 automatically in a particular state.
 
 Also I will need some form of case that is fairly sturdy and protects
 the touch screen.
 
 - How thick can a protective cover be while the touch screen still
   works?

No actual tests done, but I think a relatively flexible material may have a 
decent thickness if you only need finger-touch precision.

/jOERG


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Re: 2.5mm or 3.5mm

2008-05-30 Thread Joerg Reisenweber
Am Fr  30. Mai 2008 schrieb niclone:
 Joerg Reisenweber a écrit :
  Hi community!
  A short poll: on a future GTA0x (2), would you prefer to have
  A) standard 2.5mm headset (mic+phones) connector, where you have to buy 
a 
  cheap adapter if you want to use your old headphones, (the way like it's 
  for GTA01/02)
  or
  B) classic 3.5mm headphones Walkman(R) connector, where you have to DIY 
an 
  adapter for any standard cellphone headset? (or does anybody know of 3.5mm 
  headSET standards or adapters?) 
 
 B) 3.5mm
 
 or
 
 C) 3.5mm with 4 contacts, BUT backward compatible with standard 3.5mm 
 headphones jacks. This mean that the mic contact must be the one which 
 is far from the ground contact, not at the tip one like in GTA01 (and 
 GTA02?)
 
 
C) is exactly what we planned thus far. You can easily create an adapter from 
3.5mm 4ring male to 2.5mm GTA01/2-style receptacle. Anyway I didn't see these 
adapters for sale anywhere, so I came with this poll to you.

Thanks everybody for your quick answers. Seems 3.5 is very popular and we 
planned for he right thing :-)

cheers
jOERG


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