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2010-04-19
, 10:30
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Administrator |
Posts: 1,036 |
Thanked: 2,019 times |
Joined on Sep 2009
@ Germany
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#32
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Search before you post please.
http://maemo.org/community/brainstorm/view/share_gps/
talk threads merged (exgps, bluetooth gps unit emulation)
Last edited by chemist; 2010-04-19 at 10:38.
http://maemo.org/community/brainstorm/view/share_gps/
talk threads merged (exgps, bluetooth gps unit emulation)
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useful links for newcomers: New members say hello, New users start here, Community subforum, Beginners' wiki page, Maemo5 101, FAQ
useful links for newcomers: New members say hello, New users start here, Community subforum, Beginners' wiki page, Maemo5 101, FAQ
Last edited by chemist; 2010-04-19 at 10:38.
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2010-04-19
, 10:44
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Posts: 702 |
Thanked: 334 times |
Joined on Feb 2010
@ Israel.
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#33
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Originally Posted by chemist
Thanks for the info.
Search before you post please.
http://maemo.org/community/brainstorm/view/share_gps/
talk threads merged (exgps, bluetooth gps unit emulation)
But I did search, and do not appreciate the false assumption.
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| Developer of Horizontal-Call - Call your contacts, fast! |
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| Reverse SSH - access your N900 from anywhere, anytime |
| Using Samsung Galaxy S GT-i9000 and Nokia N900 |
| DonateMe - If you feel I helped you in a very good way, feel free to donate |
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2010-04-19
, 16:21
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Administrator |
Posts: 1,036 |
Thanked: 2,019 times |
Joined on Sep 2009
@ Germany
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#34
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Originally Posted by eitama
Then I may assume that you didn't try very hard because I found all three threads in brainstorm and the connected brainstorm.
But I did search, and do not appreciate the false assumption.
I am not here to offend anybody but to look after the place.
I try to be nice and polite. Not answering this comment wouldn't be polite but I am missing the use of it apart of telling you off or explain you how it works. You don't have to explain yourself as there is nothing to explain - you did start the third thread about export/share-gps without even reading the rules for brainstorm.
Feel free to contribute to this thread/brainstorm and make sure you follow the rules and search for your issue/idea before you start a new thread, please.
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useful links for newcomers: New members say hello, New users start here, Community subforum, Beginners' wiki page, Maemo5 101, FAQ
useful links for newcomers: New members say hello, New users start here, Community subforum, Beginners' wiki page, Maemo5 101, FAQ
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2010-04-19
, 18:08
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Posts: 702 |
Thanked: 334 times |
Joined on Feb 2010
@ Israel.
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#35
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Originally Posted by extechop
Hey mate,
What kind of help do you require?
If it's a matter of information, I believe you'll find all the info you need on the subject here. Probably generating GGA sentences would be sufficient, but of course also looping through RMC and GLL should not hurt, either, and make it a bit more universal.
Maybe you should make the sentences generated and frequency of updates configurable?
Thanks for the info!
I have managed to get one step further.
So far, when the N95 connected to the n900 for gps info,
it redisplayed the bluetooth menu after 5 seconds to choose an external gps. I put some prints on the N900 python script, and I saw a message $PNOK from N95, I understand I need to answer this message with an OK, and so I did, and now the N95 says "Calculating GPS data" which is good!
But after 10 seconds the N95 says "GPS does not work properly in closed buildings" or such line i don't remember it.
The information I was trying to send is an example line of GGA in a loop, but it's not enough.
I thought there is no negotiation to this, but apparently there is!
I can't find anywhere on the N900 a direct NMEA feed from the GPS, for example on the N810 there was /dev/gps or something like that (i never had N810).
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| Developer of Horizontal-Call - Call your contacts, fast! |
| Reverse SSH - access your N900 from anywhere, anytime |
| Using Samsung Galaxy S GT-i9000 and Nokia N900 |
| DonateMe - If you feel I helped you in a very good way, feel free to donate |
| Reverse SSH - access your N900 from anywhere, anytime |
| Using Samsung Galaxy S GT-i9000 and Nokia N900 |
| DonateMe - If you feel I helped you in a very good way, feel free to donate |
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2010-04-25
, 20:54
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Posts: 51 |
Thanked: 10 times |
Joined on Feb 2010
@ Helsinki, Finland
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#36
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Originally Posted by chemist
I did. Searching for keywords "gps bluetooth" brings up 500 finds, with this thread (currently) somewhere on the second page — sorry, I just missed it. Searching for "gps emulation" did not seem to bring up this thread before it got merged with the thread I ended up starting.
Search before you post please.
http://maemo.org/community/brainstorm/view/share_gps/
talk threads merged (exgps, bluetooth gps unit emulation)
Never mind that, what is the current consensus, how should we proceed? I personally would suggest to start with the bluetooth version, and then expand from that.
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2010-04-25
, 21:44
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Posts: 51 |
Thanked: 10 times |
Joined on Feb 2010
@ Helsinki, Finland
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#37
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Originally Posted by eitama
Well, did the GGA line include valid coordinates, what was it exactly? One thing might be that your GGA message included data indicating the GPS unit does not have accurate coordinates, ie. we might be indoors. How often did you print it? Have you considered also sending GPRMC, GPGSV, and GPGSA messages?
I put some prints on the N900 python script, and I saw a message $PNOK from N95, I understand I need to answer this message with an OK, and so I did, and now the N95 says "Calculating GPS data" which is good! But after 10 seconds the N95 says "GPS does not work properly in closed buildings" or such line i don't remember it. The information I was trying to send is an example line of GGA in a loop, but it's not enough.
Originally Posted by eitama
The NMEA standard itself doesn't really have negotiation, but PNOK is a proprietary Nokia extension which effectively does this. I suspect the N95 is trying to figure out if it is talking to a Nokia GPS unit or PSY?
I thought there is no negotiation to this, but apparently there is!
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2010-04-25
, 23:36
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Posts: 702 |
Thanked: 334 times |
Joined on Feb 2010
@ Israel.
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#38
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Originally Posted by extechop
Well I am trying to emulate an external gps not made by nokia, so I will drop the PNOK negotiation, and i'll focus more on message types. I'll see where this leads me.
Well, did the GGA line include valid coordinates, what was it exactly? One thing might be that your GGA message included data indicating the GPS unit does not have accurate coordinates, ie. we might be indoors. How often did you print it? Have you considered also sending GPRMC, GPGSV, and GPGSA messages?
The NMEA standard itself doesn't really have negotiation, but PNOK is a proprietary Nokia extension which effectively does this. I suspect the N95 is trying to figure out if it is talking to a Nokia GPS unit or PSY?
I am sending the messages every second, and the message was one i copied from a real gps fix from my external gps unit.
__________________
| Developer of Horizontal-Call - Call your contacts, fast! |
| Reverse SSH - access your N900 from anywhere, anytime |
| Using Samsung Galaxy S GT-i9000 and Nokia N900 |
| DonateMe - If you feel I helped you in a very good way, feel free to donate |
| Reverse SSH - access your N900 from anywhere, anytime |
| Using Samsung Galaxy S GT-i9000 and Nokia N900 |
| DonateMe - If you feel I helped you in a very good way, feel free to donate |
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2010-06-04
, 09:07
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Posts: 51 |
Thanked: 10 times |
Joined on Feb 2010
@ Helsinki, Finland
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#39
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Originally Posted by eitama
So, have you been able to make progress with this?
Well I am trying to emulate an external gps not made by nokia, so I will drop the PNOK negotiation, and i'll focus more on message types. I'll see where this leads me. I am sending the messages every second, and the message was one i copied from a real gps fix from my external gps unit.
Or, are there more promising paths to take?
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2010-06-04
, 11:36
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Posts: 702 |
Thanked: 334 times |
Joined on Feb 2010
@ Israel.
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#40
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Originally Posted by extechop
Well it's definetly doable, but I neglected the project cause I didn't have time, and preffered to put the time I do have into learning Qt Mobility SDK.
So, have you been able to make progress with this?
Or, are there more promising paths to take?
Once I master that, i'll get back to this, but this time not using python.
__________________
| Developer of Horizontal-Call - Call your contacts, fast! |
| Reverse SSH - access your N900 from anywhere, anytime |
| Using Samsung Galaxy S GT-i9000 and Nokia N900 |
| DonateMe - If you feel I helped you in a very good way, feel free to donate |
| Reverse SSH - access your N900 from anywhere, anytime |
| Using Samsung Galaxy S GT-i9000 and Nokia N900 |
| DonateMe - If you feel I helped you in a very good way, feel free to donate |
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| Tags |
| bluetooth gps, gps, usb gps |
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