Andy Green wrote:
About the 600sec thing, you can get the GPS chip to report 4 times a
second instead of once a second, maybe that can be to do with it. But
it is strange, noticing the heavy filtering on our results I wonder if a
lot of those samples coming so quickly were actually
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Somebody in the thread at some point said:
Thanks for your work Stacy.
| About the 600sec thing, you can get the GPS chip to report 4 times a
| second instead of once a second, maybe that can be to do with it. But
| it is strange, noticing the
Andy Green wrote:
| Has anyone
| figured out how to kick the GPS receiver into UBX mode? I would be
| curious to see if that changes anything.
It's actually documented by Ublox in here (Okular eats it)
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Somebody in the thread at some point said:
| One last thing, the voltage scaling and clock rate reduction patches
| aren't in the kernel you used, they should be around in tomorrow's
| packages: if you have 600 sec to spare it would be
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Somebody in the thread at some point said:
| After a reboot, it worked ok so its a false alarm - sorry!
Thanks for clearing it up.
- -Andy
-BEGIN PGP SIGNATURE-
Version: GnuPG v1.4.9 (GNU/Linux)
Comment: Using GnuPG with Fedora -
Le vendredi 01 août 2008, Andy Green a écrit :
opkg install kernel-module-g-ether kernel-module-cdc-ether
Having updated the kernel and everything, I get a FATAL error with that:
opkg install kernel-module-g-ether kernel-module-cdc-ether
Installing kernel-module-g-ether
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Somebody in the thread at some point said:
| Le vendredi 01 août 2008, Andy Green a écrit :
| opkg install kernel-module-g-ether kernel-module-cdc-ether
|
| Having updated the kernel and everything, I get a FATAL error with that:
|
| opkg install
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Somebody in the thread at some point said:
| and a negative - I moved the maps in tangoGPS from /tmp to the (orig
| freerunner) sdcard and it only works partially or not at all. This is
| offline usage. If I am online and I delete the map cache so
I did some testing today to add some more data points (or fuel on the
fire, depending on your point of view :-)
What I did was run three test, one with the SD card removed, one with
the SD card installed but idle and one with the SD card being used
heavily. For each test, I ran simultaneous
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Somebody in the thread at some point said:
| I did some testing today to add some more data points (or fuel on the
| fire, depending on your point of view :-)
Let's say you did nice work there enabling us to converge on an
understanding of the issue
One last thing, the voltage scaling and clock rate reduction patches
aren't in the kernel you used, they should be around in tomorrow's
packages: if you have 600 sec to spare it would be interesting to see if
they made any change :-)
- -Andy
Hi Andy,
To get that kernel you reference
After a reboot, it worked ok so its a false alarm - sorry!
BillK
On Thu, 2008-07-31 at 08:38 +0100, Andy Green wrote:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Somebody in the thread at some point said:
| and a negative - I moved the maps in tangoGPS from /tmp to the (orig
|
(We have external LNA) It means it can track with a 16dBm reduction
in
GPS signal after it made the satellite acquisitions. So if you
understood it will get a fix OK with the software workaround, and we
saw
many people report this, you should expect the tracking phase to work
better
I would take this to mean that your current location drifts from the
actual spot to places not quite where you are standing.
Exactly. I will try to upload some logs (just discovered the /tmp
change in tangogps, grr.. some test data has been lost) in the next
few days that demonstrate this
2008/7/30 Jay Vaughan [EMAIL PROTECTED]:
Just sayin', not trying to stir the pot. I've been testing this GPS
fix every day since it arrived, by tracking my progress to work, and
if I zoom too closely (meaning there is more SD I/O on map refreshes)
the GPS goes wild.
Do you (all) have also
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Somebody in the thread at some point said:
| Just sayin', not trying to stir the pot. I've been testing this GPS
| fix every day since it arrived, by tracking my progress to work, and
| if I zoom too closely (meaning there is more SD I/O on map
On Jul 30, 2008, at 10:24 AM, Jay Vaughan wrote:
My ride to and from work is through a wide open space with no
obstructions, lots of blue sky, and for sure .. SD I/O still massively
impacts GPS *accuracy*. Not just in the acquisition phase, but also
tracking ..
That's strange. I didn't test
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Somebody in the thread at some point said:
| On Jul 30, 2008, at 10:24 AM, Jay Vaughan wrote:
| My ride to and from work is through a wide open space with no
| obstructions, lots of blue sky, and for sure .. SD I/O still massively
| impacts GPS
Jay Vaughan wrote:
(We have external LNA) It means it can track with a 16dBm reduction
in
GPS signal after it made the satellite acquisitions. So if you
understood it will get a fix OK with the software workaround, and we
saw
many people report this, you should expect the tracking
We're not done with what we can do to mitigate it in software. These
guys should be in tomorrow's kernel.
okay i'll continue testing and logging in the meantime ..
;
--
Jay Vaughan
___
Openmoko community mailing list
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Somebody in the thread at some point said:
| We're not done with what we can do to mitigate it in software. These
| guys should be in tomorrow's kernel.
|
|
| okay i'll continue testing and logging in the meantime ..
Great.
- -Andy
-BEGIN PGP
| Track is very accurate (no jump-offs the road) in the city.
Earlier I
| used Garmin
| GPS60 and tracks from it were way worse than from FR.
|
| I used today's kernel and u-boot.
That's pretty encouraging, thanks.
Hi again,
I made another test, driving back home. This time, I zoomed
So, to me, GPS works great now. I had more problems with accuracy of
my Garmin outdoor device.
on todays drive home i also did a trace - and got wildly sporadic
results when tangogps had to read maps again off the disk .. i do not
have the latest kernel, however, as it doesn't appear to
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Somebody in the thread at some point said:
| I drove here almost 100km/h (but don't tell anyone) on max zoom, to
| read tiles faster from the card. As you can see, no jump offs from the
| road.
|
| So, to me, GPS works great now. I had more problems
and a negative - I moved the maps in tangoGPS from /tmp to the (orig
freerunner) sdcard and it only works partially or not at all. This is
offline usage. If I am online and I delete the map cache so tango
starts clean, it loads the maps fine - probably caches them in ram. If
I go offline to
Start with the software fix. It should slove the problem.
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Annie
Sent: Sunday, July 20, 2008 3:01 AM
To: community@lists.openmoko.org
Subject: Warranty after fix for GTA02 GPS rework for SD card interference
, 2008 3:01 AM
To: community@lists.openmoko.org
Subject: Warranty after fix for GTA02 GPS rework for SD card interference
issue
what impact, if any, will there be on the warranty of the FR device once the
fix has been carried out ?
___
Openmoko
On Tue, Jul 29, 2008 at 12:11 PM, Scott Derrick [EMAIL PROTECTED] wrote:
From everything I've heard a software only fix will not be enough.
Unless you ditch your sd card as a data store.
All new FR's have the HW fix and new software will be written to take
advantage of that HW platform.
The
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Somebody in the thread at some point said:
| The software fix alone allows you to get a fast TTFF but after that, sd
| card data transfers are just to noisy to maintain a high quality GPS
| data stream. Yes it works but poorly, which is better than
On Tue, Jul 29, 2008 at 1:48 PM, Steven Kurylo [EMAIL PROTECTED] wrote:
On Tue, Jul 29, 2008 at 12:11 PM, Scott Derrick [EMAIL PROTECTED] wrote:
From everything I've heard a software only fix will not be enough.
Unless you ditch your sd card as a data store.
I haven't had any problems with
On Tue, Jul 29, 2008 at 1:24 PM, Mike Hodson [EMAIL PROTECTED] wrote:
On Tue, Jul 29, 2008 at 1:48 PM, Steven Kurylo [EMAIL PROTECTED] wrote:
On Tue, Jul 29, 2008 at 12:11 PM, Scott Derrick [EMAIL PROTECTED] wrote:
From everything I've heard a software only fix will not be enough.
Unless you
On Wed, 2008-07-23 at 21:03 +0200, Yorick Moko wrote:
i tried to walk with tangogps and sometimes i jumed 1-2 km in a random
direction and kept drifting
there were no roads in openstreetmaps for my location, could this influence
it?
No, that is definitely not the case. But occasionally I
2008/7/24 Al Johnson [EMAIL PROTECTED]:
fixed a long way back in the route. I didn't have a tile cached for the area
I had walked into. When I zoomed out to a scale where I did have a tile
cached it redrew the track, this time following the route I had walked
without jumping.
Actually if you
On Thu, 2008-07-24 at 09:42 +0300, Timo Jyrinki wrote:
2008/7/24 Al Johnson [EMAIL PROTECTED]:
fixed a long way back in the route. I didn't have a tile cached for the area
I had walked into. When I zoomed out to a scale where I did have a tile
cached it redrew the track, this time following
On Thu, Jul 24, 2008 at 08:05:22 +0200, Marcus Bauer wrote:
One interesting observation I made is that my FR has in the beginning
often a GPS time offset 15 seconds into the future. It does so even if I
feed the time by AGPS.
It takes 10-15 minutes until this is corrected by the chip.
Wild
';
[EMAIL PROTECTED]; 'Andy Green'
Subject: Re: GTA02 GPS rework for SD card interference issue
I have not had time to test any. But I could.
M
steve wrote:
Michael do you have any phones that fail GPS test?
-Original Message-
From: Michael Shiloh [mailto:[EMAIL PROTECTED]
Sent: Monday
Green'
Subject: Re: GTA02 GPS rework for SD card interference issue
I have not had time to test any. But I could.
M
steve wrote:
Michael do you have any phones that fail GPS test?
-Original Message-
From: Michael Shiloh [mailto:[EMAIL PROTECTED]
Sent: Monday, July 21, 2008 10:10 PM
@lists.openmoko.org; 'C R
McClenaghan'; [EMAIL PROTECTED]; Andy Green
Subject: Re: GTA02 GPS rework for SD card interference issue
ave ceasar!
steve wrote:
Then I am Rome.
The SOP needs to be reviewed. Basically, I will need to hear from
jOERG, Werner,
Micheal, Andy.
I would like
; 'C R McClenaghan';
[EMAIL PROTECTED]; 'Andy Green'
Subject: Re: GTA02 GPS rework for SD card interference issue
I have not had time to test any. But I could.
M
steve wrote:
Michael do you have any phones that fail GPS test?
-Original Message-
From: Michael Shiloh [mailto:[EMAIL
On Wednesday 23 July 2008, Yorick Moko wrote:
i tried to walk with tangogps and sometimes i jumed 1-2 km in a random
direction and kept drifting
there were no roads in openstreetmaps for my location, could this influence
it?
I saw something similar yesterday with tangogps. The red track
* Yorick Moko [EMAIL PROTECTED] [2008-07-23 21:03 +0200]:
i tried to walk with tangogps and sometimes i jumed 1-2 km in a random
direction and kept drifting
there were no roads in openstreetmaps for my location, could this
influence it?
I don't think so so.
As far as I can tell, tango GPS
On Mon, Jul 21, 2008 at 8:35 PM, steve [EMAIL PROTECTED] wrote:
1. Give people a free repair kit?
2. work with distributors to do repair.
3. Host repair PARTIES! Woo hoo. Bring your own soldering iron. BYOSI
Personally, a kit would work for me. I have fine pitch solder and a
nice iron, but
1. Give people a free repair kit?
2. work with distributors to do repair.
3. Host repair PARTIES! Woo hoo. Bring your own soldering iron. BYOSI
Here in Vienna, anyway, we can host these parties at MetaLab.
;
--
Jay Vaughan
___
Openmoko
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Send me a 10pf capacitor :) and I will very happy (Here I don't know
where to buy a single 10pF capacitor!)
-BEGIN PGP SIGNATURE-
Version: GnuPG v1.4.9 (GNU/Linux)
Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org
well from what Andy says they have found a software fix which
- keeps good SD card perf (for cards tested so far)
- doesn't degrade gps signal
the software fix will be in the new kernel very soon and
- switches off SD clock when not needed
- reduces the drive strength of the SD signal when on
could anyone recommend a nice solder for such kind of work? (haven't
bothered to buy one in the states... in ukraine at the university was
using whatever was given ;-))
On Tue, 22 Jul 2008, Tim Schmidt wrote:
On Mon, Jul 21, 2008 at 8:35 PM, steve [EMAIL PROTECTED] wrote:
1. Give people a
could anyone recommend a nice solder for such kind of work? (haven't
bothered to buy one in the states... in ukraine at the university was
using whatever was given ;-))
You will need 'flux core solder' (normal 'resin' electronics solder), with a
low wattage
soldering iron, like 15W. It also
I use electronic silver solder, 62/36/2 62% tin, 36% lead, 2% silver
44 flux, dia 0.5mm made by Kester
with all that lead maybe its not available in the EU? Kester makes a
lead free equivalent.
here's a lead free equivalent in a small package.
doh me -- I meant to ask about soldering iron primarily. So which gun
would you recommend (so it feels comfortable in hand, is not too long,
doesn't heat the handle more than the tip ;-) etc)
On Tue, 22 Jul 2008, Sander van Grieken wrote:
could anyone recommend a nice solder for such kind of
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Somebody in the thread at some point said:
| doh me -- I meant to ask about soldering iron primarily. So which gun
| would you recommend (so it feels comfortable in hand, is not too long,
| doesn't heat the handle more than the tip ;-) etc)
Dunno
: community@lists.openmoko.org; steve; C R McClenaghan;
[EMAIL PROTECTED]
Subject: Re: GTA02 GPS rework for SD card interference issue
...and Michael goes to Steve, so all roads lead to Steve.
Expect a reply from Steve very shortly (if he hasn't already done so).
Michael
Joerg
; 'C R McClenaghan';
[EMAIL PROTECTED]; Andy Green
Subject: Re: GTA02 GPS rework for SD card interference issue
ave ceasar!
steve wrote:
Then I am Rome.
The SOP needs to be reviewed. Basically, I will need to hear from
jOERG, Werner,
Micheal, Andy.
I would like to have micheal
Hi guys,
as I wrote before ( but the message did apparently not hit the list since I
used a different email address ) I had the hardware fix applied on friday
but used a 0603 cap instead, which fit quite nicely.
After further testing I can only congratulate the OM-team for their quick
and easy
...and Michael goes to Steve, so all roads lead to Steve.
Expect a reply from Steve very shortly (if he hasn't already done so).
Michael
Joerg Reisenweber wrote:
This should go to Steve and Michael, I guess
Am Fr 18. Juli 2008 schrieb C R McClenaghan:
Tony,
Will OpenMoko offer this
GPS rework for SD card interference issue
...and Michael goes to Steve, so all roads lead to Steve.
Expect a reply from Steve very shortly (if he hasn't already done so).
Michael
Joerg Reisenweber wrote:
This should go to Steve and Michael, I guess
Am Fr 18. Juli 2008 schrieb C R
McClenaghan; [EMAIL PROTECTED]
Subject: Re: GTA02 GPS rework for SD card interference issue
...and Michael goes to Steve, so all roads lead to Steve.
Expect a reply from Steve very shortly (if he hasn't already done so).
Michael
Joerg Reisenweber wrote:
This should go to Steve
Joerg Reisenweber wrote:
Am Sa 19. Juli 2008 schrieb Tommi Kärkkäinen:
Neng-Yu Tu (Tony Tu) kirjoitti:
But this work still not suggest do by yourself, also, this fix need
proper size capacitor (10 pf with 0402 package), and some solder
technique.
Is there a specific
what impact, if any, will there be on the warranty of the FR device
once the fix has been carried out ?
___
Openmoko community mailing list
community@lists.openmoko.org
http://lists.openmoko.org/mailman/listinfo/community
for Openmoko community discussion
Subject: Re: GTA02 GPS rework for SD card interference issue
Tony,
Will OpenMoko offer this repair to Freerunner owners? How and under what
terms?
Chris
On Jul 18, 2008, at 2:28 AM, Neng-Yu Tu (Tony Tu) wrote:
Dear Community:
For GTA02 SD card interference GPS
hm... or alter clocking pulse sufficiently for unstable SD performance
with some (or all) SDs... how could we know for sure unless verified
empirically... (noone could guess that having SD impacts GPS for quite
a while, right?)
I am not yet planing to do this hw mod on my phone, thus I can't
Neng-Yu Tu (Tony Tu) kirjoitti:
But this work still not suggest do by yourself, also, this fix need
proper size capacitor (10 pf with 0402 package), and some solder technique.
Is there a specific tolerance requirement for the capacitor?
Tommi
___
Am Sa 19. Juli 2008 schrieb Tommi Kärkkäinen:
Neng-Yu Tu (Tony Tu) kirjoitti:
But this work still not suggest do by yourself, also, this fix need
proper size capacitor (10 pf with 0402 package), and some solder
technique.
Is there a specific tolerance requirement for the capacitor?
This is great news. Absolutely astounding turnaround time :-)
Just a quick query... I've not ordered mine yet (I was holding off until
a resolution on this), will the devices en-route to the likes of Truebox
and Pulster be fitted with this mod?
Cheers
Kyle
Neng-Yu Tu (Tony Tu) wrote:
Dear
Dear Community:
For GTA02 SD card interference GPS issue, our hardware team provide a
hardware fix/workaround for this coexistence bug. Sorry post it late,
because we have to make sure this fix works and don't have side effects.
Here is the fix:
On Fri, 18 Jul 2008 11:28:29 +0200, Neng-Yu Tu (Tony Tu)
[EMAIL PROTECTED] wrote:
For GTA02 SD card interference GPS issue, our hardware team provide a
hardware fix/workaround for this coexistence bug. Sorry post it late,
because we have to make sure this fix works and don't have side
On Fri, Jul 18, 2008 at 12:28 PM, Neng-Yu Tu (Tony Tu)
[EMAIL PROTECTED] wrote:
Dear Community:
Here is the fix:
http://www.openmoko.org/wiki/Image:Gta02_gps_10pf_rework_sop.pdf
Great work, a hardware solution in two or three days or so!
I'd be glad to hear the change of the TTFF with this
http://www.openmoko.org/wiki/Image:Gta02_gps_10pf_rework_sop.pdf
Great! I will do this fix next week as soon as my Freerunner arrives,
and let you know how it goes.
;
--
Jay Vaughan
___
Openmoko community mailing list
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Thank you Tony. You did a very great work and you putted me to love more
this phone.
Only one question: which type of capacitor I have to put? I see it is
not a electrolitic one :)
Neng-Yu Tu (Tony Tu) wrote:
Dear Community:
For GTA02 SD card
On Fri, 18 Jul 2008 11:33:45 +0200, Jay Vaughan wrote
http://www.openmoko.org/wiki/Image:Gta02_gps_10pf_rework_sop.pdf
Great! I will do this fix next week as soon as my Freerunner
arrives, and let you know how it goes.
;
--
Jay Vaughan
Good luck soldering that; however if you
Good luck soldering that; however if you happen to be an experienced
electronics engineer with access to a work-bench with all the usual
tools then
my apologies.
I am, and I do! :)
I'd just hate to think that comment leads others to think
they could effect the repair easily because
I am an Electronic Engineer but I will bring to a place where repair
telephone, and with 5 Euro they will do for me.
2008/7/18 [EMAIL PROTECTED]:
On Fri, 18 Jul 2008 11:33:45 +0200, Jay Vaughan wrote
http://www.openmoko.org/wiki/Image:Gta02_gps_10pf_rework_sop.pdf
Great! I will do this
Michele Renda wrote:
Thank you Tony. You did a very great work and you putted me to love more
this phone.
Only one question: which type of capacitor I have to put? I see it is
not a electrolitic one :)
little too small for that (electrolytic) ;)
0402 is the package format. i guess all caps
Hi Tony, all
If there enough space to fit an 0603 cap in there?
I don't have my FR yet to look at it, it's in transit...
Regards
Neil Davey
On 18/07/2008, at 7:28 PM, Neng-Yu Tu (Tony Tu) wrote:
Dear Community:
For GTA02 SD card interference GPS issue, our hardware team provide a
hardware
This is great news.
First thing I will do as soon as my FR arrives.
Thanks for the lightning fast response.
Scott
Neng-Yu Tu (Tony Tu) wrote:
Dear Community:
For GTA02 SD card interference GPS issue, our hardware team provide a
hardware fix/workaround for this coexistence bug. Sorry post
Hey Michele,
Michele Renda schrieb:
I am an Electronic Engineer but I will bring to a place where repair
telephone, and with 5 Euro they will do for me.
if you know of a place where they do that for 5 EUR, please let me know,
I'll bring mine there too
regards
Alex
On Fri, 2008-07-18 at 17:05 +0200, Alexander Köb wrote:
Hey Michele,
Michele Renda schrieb:
I am an Electronic Engineer but I will bring to a place where repair
telephone, and with 5 Euro they will do for me.
if you know of a place where they do that for 5 EUR, please let me know,
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
May be I forgot to tell that it is in Romania :)
There is a place where they repair telephones... they know every type of
phone in the world... but I am imaging their face when I will bring my
Freerunner there!
Alexander Köb wrote:
Hey Michele,
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
mmm... here (in Italy) to repair a phone you need 50 Euro!
Marcus Bauer wrote:
On Fri, 2008-07-18 at 17:05 +0200, Alexander Köb wrote:
Hey Michele,
Michele Renda schrieb:
I am an Electronic Engineer but I will bring to a place where repair
Hi at all,
Am Freitag 18. Juli 2008 11:28:29 schrieb Neng-Yu Tu (Tony Tu):
Here is the fix:
http://www.openmoko.org/wiki/Image:Gta02_gps_10pf_rework_sop.pdf
What is with the _new_ FreeRunners on the production line? Do they have this
fix already when they leave the manufactory? I guess and
Tony,
Will OpenMoko offer this repair to Freerunner owners? How and under
what terms?
Chris
On Jul 18, 2008, at 2:28 AM, Neng-Yu Tu (Tony Tu) wrote:
Dear Community:
For GTA02 SD card interference GPS issue, our hardware team provide a
hardware fix/workaround for this coexistence bug.
Am Fr 18. Juli 2008 schrieb Carsten Gerlach:
Hi at all,
Am Freitag 18. Juli 2008 11:28:29 schrieb Neng-Yu Tu (Tony Tu):
Here is the fix:
http://www.openmoko.org/wiki/Image:Gta02_gps_10pf_rework_sop.pdf
What is with the _new_ FreeRunners on the production line? Do they have this
This should go to Steve and Michael, I guess
Am Fr 18. Juli 2008 schrieb C R McClenaghan:
Tony,
Will OpenMoko offer this repair to Freerunner owners? How and under
what terms?
Chris
On Jul 18, 2008, at 2:28 AM, Neng-Yu Tu (Tony Tu) wrote:
Dear Community:
For GTA02 SD card
sorry to be pain in the b%%t, but was testing done to check if there is
any affect on SD card performance? (I am lazy to look now even what pins
at SD are those ;)) just wanted to check
On Fri, 18 Jul 2008, Neng-Yu Tu (Tony Tu) wrote:
Dear Community:
For GTA02 SD card interference GPS issue,
Just one question, will the new freerunners coming out on 25-th have it
reworked, or we'll have to do it by ourselves
___
Openmoko community mailing list
community@lists.openmoko.org
http://lists.openmoko.org/mailman/listinfo/community
This additional capacitor has been added between clock and GND for the
SD card. So it is most probably just there to filter frequencies higher
than the clock rate itself.
Michael
Yaroslav Halchenko schrieb:
sorry to be pain in the b%%t, but was testing done to check if there is
any affect on
85 matches
Mail list logo
