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'[OT]: BGMicro GPS receivers: anyone have manage to'
2002\07\10@073941 by Michael Pettersson

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Hi all.

I saw on this list that BGMicro had som GPS for sale.
I ordered one and now It has arrived.

I wired up the interface and tried to program it for NMEA use.
I got a error message when doing this.
--------------------------------------------------
Establishing communications with GPS.
       Please wait..............
Sending New Configuration Data.
Configuration sent.
       Please wait for GPS response...

ERROR: SEEPROM Configuration Rejected.

Check GPS power and cable connections.
--------------------------------------------------
It seems that I was enable to establish some kind of communication with the
device?

Is there anyone that have manage to connect to the BGMicro GPS?

/regards

Michael Pettersson

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2002\07\10@093906 by s.hutch

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I have connected mine up per the schematic supplied with it using the Maxim
233. I had trouble finding the correct eeprom loader for the
version that I had. You have to remove the board frpm the can and look on the
bottom for the version. mine was version 5.10 and 34057-61.
On the trible ftp site I downloaded 34057_63 file from the cm3_510 directory
for flashing the eeprom firmware to the NMEA protocol. The program reported
success. I then tried visual GPS program and got a few lines for response, but
was not outside (laptop broken)to get satellite fix. Have not done any more to
date. Let me know how it goes on yours. Hope this helps.

hutch

On Wed, 10 Jul 2002 13:36:41 +0200 Michael Pettersson <.....mippenKILLspamspam@spam@HOME.SE> wrote:

Hi all.

I saw on this list that BGMicro had som GPS for sale.
I ordered one and now It has arrived.

I wired up the interface and tried to program it for NMEA use.
I got a error message when doing this.
--------------------------------------------------
Establishing communications with GPS.
       Please wait..............
Sending New Configuration Data.
Configuration sent.
       Please wait for GPS response...

ERROR: SEEPROM Configuration Rejected.

Check GPS power and cable connections.
--------------------------------------------------
It seems that I was enable to establish some kind of communication with the
device?

Is there anyone that have manage to connect to the BGMicro GPS?

/regards

Michael Pettersson

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2002\07\10@101412 by Michael Pettersson

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> I have connected mine up per the schematic supplied with it using the
Maxim
> 233. I had trouble finding the correct eeprom loader for the
> version that I had. You have to remove the board frpm the can and look on
the
> bottom for the version. mine was version 5.10 and 34057-61.
> On the trible ftp site I downloaded 34057_63 file from the cm3_510
directory
> for flashing the eeprom firmware to the NMEA protocol. The program
reported
> success. I then tried visual GPS program and got a few lines for response,
but
> was not outside (laptop broken)to get satellite fix. Have not done any
more to
> date. Let me know how it goes on yours. Hope this helps.
>



First I thought that the information showed another GPS, didn't think of the
backside.
Then I tried the 34057-61 exe file, that was my gps version. Didn't work.
Then I tried the 34057-63 and that worked fine!

Now I tried the visual GPS program without any luck :(
I stared the NMEA Monitor but it is blank.
I do not know now if it is the GPS or the Soft ore my adapter.

I do use another Maxim than specified! I use the MAX232 and had to add some
cap's
but i thought it should do the work.. It works when I program the unit..

So why dosn't I get any data......?

Thanks for your input on the firmware!

/regards

Michael Pettersson

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2002\07\10@101843 by Herbert Graf

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{Quote hidden}

       Actually I have gotten both of mine to work, they are kind of finiky
though. First off, don't follow what the docs they send you say about
reprogramming the module, start off by running the program 'gpssk'. This is
a very simple program that interfaces to the GPS module and tells you
everything you need to know. It will even tell you how many sats the module
is seeing. If you get no response in gpssk you either have a problem with
your interface circuitry or a flash you did actually worked. In the first
case check your circuitry. In the second case I recommend you do all your
initial testing with the module in TAIP mode. Note that you MUST have the
module connected to COM1, I never got it working right on COM2.

       As for reprogramming the module the message you have there tells me that
either you didn't follow the programs instructions or you have the wrong
version. Unscrew the board from the metal box and read what version your
module is (if gpssk is working it lists what version module you've got). My
module is version 5.10. Go to the FTP site as instructed and make sure you
download the correct version. To flash the module you actually have to
follow exactly what it says, when you run the flashing program (for TAIP it
ends in -63, for NMEA it ends in -62, IIRC) there is a stage where you are
instructed to power down and then power up the module, you must do this, in
fact when I power down I short the two power pins together to ensure a
complete power down. If you don't power down the module will likely not
program. FWIW even when I do this it sometimes won't program, it sometimes
takes a few tried before it will take the config.

       Aside from that the modules work fine for me, I have them both programmed
with NMEA and both output position, eventually. After a complete power fail
it can take up to 10 minutes for it to aquire the sats. Note you MUST have
an UNOBSTRUCTED view of the sky, preferably ALL of the sky. Windows
generally are OK (the signal passes through my car windsheild) but trees,
buildings, and people are a killer to the signal.

       I had a problem with my second module, it would not aquire any sats, I
emailed bg and they offered to exchange it, however before that happened the
module started working! Can't explain that one but my point is BGMICRO will
stand behind the product and replace it if you have problems.

       Good luck, hope this helped, please let me know if you need more info/help.
TTYL

PS. If anybody knows of Palm GPS software that has maps for Canada for a
cheap price let me know, I'd love to mount the module in the care using a
Palm as a display. Right now I plan to use a laptop and Microsoft Streets
and Trips, which works perfectly, but is a little larger then I would
prefer. Thanks, TTYL

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2002\07\10@102302 by Herbert Graf
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{Quote hidden}

       How long did you wait? If the module hasn't gotten a fix, in NMEA mode, it
will only print a message every 14 seconds, the format of the message is
something you can look up, but there are two numbers in the middle of it
that are critial: 0,0, the first number tells you if the module has a fix. A
0 means no, a 1 means yes. The second number tells you how many sats the
module sees, 3 are required at minimum for a position fix, 4 are required to
get altitude. It takes abotu 10 minutes at maximum after a complete power
fail for the modules to give a location. If you want connect the module to
your com port and start up hyperterminal, port settinsg are baud=4800,
stop=1, parity=none, flow control=none, you should see a $GPS.... line every
14 seconds. TTYL

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2002\07\10@103545 by Michael Pettersson

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>         How long did you wait? If the module hasn't gotten a fix, in NMEA
mode, it
> will only print a message every 14 seconds,

I have tried both a terminal soft and the visual GPS.
I have waited for a long time with no information from it.
I do use it indoors right know but some kind of data
did a expect.

> If you want connect the module to
> your com port and start up hyperterminal, port settinsg are baud=4800,
> stop=1, parity=none, flow control=none, you should see a $GPS.... line
every
> 14 seconds. TTYL

/Michael

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2002\07\10@104002 by Herbert Graf

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> >         How long did you wait? If the module hasn't gotten a
> fix, in NMEA
> mode, it
> > will only print a message every 14 seconds,
>
> I have tried both a terminal soft and the visual GPS.
> I have waited for a long time with no information from it.
> I do use it indoors right know but some kind of data
> did a expect.

       Even indoors your should get a status update every 14 seconds, if your
module is indeed flashed with NMEA. Try running GPSSK, see if it shows
anything, I have a feeling your module may still be in TAIP mode. TTYL

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2002\07\10@105452 by Michael Pettersson

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First I must Ask.

My unit had a small connector in it to some pins in the housing.
I used these but had to modify it becouse the pin 7 was used but in the
schematics
the pin 6 should be used instead.
3, 5, 6, 8, 4, 2 is the pins now used.

What whould I expect to see in the GPSSK soft?
It seems to try to communicate with the GPS.

I do a GPS Receiver Diagnostic and I get failed on Batery Backk-Up,
Timer/Clock and Almanac Information. The other things is Ok.

It seems that it is enable to communicate but as you said, in the wrong
mode.
How can I set the mode to NMEA if not the firmware soft works?



{Original Message removed}

2002\07\10@112011 by Herbert Graf

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> First I must Ask.
>
> My unit had a small connector in it to some pins in the housing.
> I used these but had to modify it becouse the pin 7 was used but in the
> schematics
> the pin 6 should be used instead.
> 3, 5, 6, 8, 4, 2 is the pins now used.

       Don't have mine in front of me, but that sounds about right. FWIW you don't
actually need pin 6 to get it working, with the software I have used (other
software might require it).

> What whould I expect to see in the GPSSK soft?
> It seems to try to communicate with the GPS.

       There should be two different sections. The bottom section details what is
being sent to the GPS (white text on green background) and what is being
sent back from the GPS module (white text on black background). If you never
see any white text on black you've got a problem. The section above that is
split into 3 parts. The first part is GPS time, where you are and what sats
you can see. This shouldbe mostly zero until you actually aquire a sat. The
next part is the "diag/status" part of the display. It shows you how many
sats can be seen and whether any errors are present. When you first power up
it should say, on the first line, "Don't have GPS time yet". Evetuanlly,
assuming you have a view of the sky, it will say "Only 1 sat", they "Only
2", after that I can't remember what it says but you will see your position
in the top part. The third part of this section just tells you what revision
and version you module is. For me it's just a string of numbers, with
"v5.10" buried somewhere in there.

> I do a GPS Receiver Diagnostic and I get failed on Batery Backk-Up,
> Timer/Clock and Almanac Information. The other things is Ok.

       Sounds normal (and it looks like you are still in TAIP mode). The Battery
Backup failure will go away once you hook up a battery backup and power
cycle. The Timer/Clock will go away once you aquire three or more sats. The
Almanac takes longer to go away.

> It seems that it is enable to communicate but as you said, in the wrong
> mode.
> How can I set the mode to NMEA if not the firmware soft works?

       You need to flash it with the correct version. What version does GPSSK
report your GPS module is? I can detail what file you need to use if you
wish, but it's all in the readme. The flash program with report
"configuration accepted" if you've done everything right. TTYL

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2002\07\10@122225 by Michael Pettersson

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> > What whould I expect to see in the GPSSK soft?
> > It seems to try to communicate with the GPS.

>         There should be two different sections. The bottom section details
what is
> being sent to the GPS (white text on green background) and what is being
> sent back from the GPS module (white text on black background). If you
never
> see any white text on black you've got a problem.

I do see alot of white text on black background and some white text on green
background. Then I guess the communication is up and running.

> When you first power up
> it should say, on the first line, "Don't have GPS time yet". Evetuanlly,
> assuming you have a view of the sky, it will say "Only 1 sat", they "Only
> 2",

I do have some kind of sky here.. I have verified that there is some
GPS sattelites up there with a handheald GPS that gets a lock. The tracking
status says 2 usable sattelites. Have to wait for the 3'd one...

> The third part of this section just tells you what revision
> and version you module is. For me it's just a string of numbers, with
> "v5.10" buried somewhere in there.

3 rows:
Product:            SVEESIX
TAIP Version    5.10
Release Date     06/03/97

> Sounds normal (and it looks like you are still in TAIP mode). The Battery
> Backup failure will go away once you hook up a battery backup and power
> cycle. The Timer/Clock will go away once you aquire three or more sats.
The
> Almanac takes longer to go away.
>
> > It seems that it is enable to communicate but as you said, in the wrong
> > mode.
> > How can I set the mode to NMEA if not the firmware soft works?
>
>         You need to flash it with the correct version. What version does
GPSSK
> report your GPS module is? I can detail what file you need to use if you
> wish, but it's all in the readme. The flash program with report
> "configuration accepted" if you've done everything right. TTYL

If it's the Taip version it's 5.10....
Please help me finding the correct Flash program.

/regards

Michael

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2002\07\10@130437 by Herbert Graf

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> > The third part of this section just tells you what revision
> > and version you module is. For me it's just a string of numbers, with
> > "v5.10" buried somewhere in there.
>
> 3 rows:
> Product:            SVEESIX
> TAIP Version    5.10
> Release Date     06/03/97

       Excellent, means it's the same one I've got.

> >         You need to flash it with the correct version. What version does
> GPSSK
> > report your GPS module is? I can detail what file you need to use if you
> > wish, but it's all in the readme. The flash program with report
> > "configuration accepted" if you've done everything right. TTYL
>
> If it's the Taip version it's 5.10....
> Please help me finding the correct Flash program.

       Download the file tk510.exe from the trimble ftp site specified in
BGMICRO's docs. Execute the file, it will unpack. To flash the module run
the program: 34055-62.exe this will flash the module with the NMEA firmware.
Ensure you have the module connected to COM1 before you run it, and power
down the module completely when it asks. It might take a few tries to get
it.

       Since GPSSK can communicate with the module it means all your hardware is
physically OK. Good luck, TTYL

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2002\07\10@145745 by Michael Pettersson

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Many thanks for your help.
Must have had the wrong Firmware earlier.

Now I'm up and running NMEA.

Nows the question if anyone here have made a 877 reading device based
on CC5X..... =)

Thanks again.

Regards
Michael



>         Since GPSSK can communicate with the module it means all your
hardware is
> physically OK. Good luck, TTYL

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