Comments on: Firmware for the GPS tracking device http://tinkerlog.com/2007/08/08/firmware-for-the-gps-tracking-device/ Alex' blog Fri, 21 Nov 2008 10:30:07 +0000 http://wordpress.org/?v=2.6.2 By: ben2 http://tinkerlog.com/2007/08/08/firmware-for-the-gps-tracking-device/#comment-27133 ben2 Thu, 04 Sep 2008 12:24:56 +0000 http://tinkerlog.com/2007/08/08/firmware-for-the-gps-tracking-device/#comment-27133 Hi Alex, what string do you have to send a gps reciever in order to get it to send you back the nmea data? i cant seem to work ou how it is done in your code thanks in advance Ben Hi Alex,
what string do you have to send a gps reciever in order to get it to send you back the nmea data?
i cant seem to work ou how it is done in your code
thanks in advance
Ben

]]> By: Ben http://tinkerlog.com/2007/08/08/firmware-for-the-gps-tracking-device/#comment-14927 Ben Mon, 02 Jun 2008 08:32:05 +0000 http://tinkerlog.com/2007/08/08/firmware-for-the-gps-tracking-device/#comment-14927 Hi Alex, I am working on my senor project. And I saw your blog. This is a newbee question but to receive the location of the device you need a gsm module and sim card right? I am working on how to call the device and find if from a different location. I have not read all of ur but dose urs do that? if so can u give me some hints? Hi Alex,
I am working on my senor project. And I saw your blog.
This is a newbee question but to receive the location of the device
you need a gsm module and sim card right?
I am working on how to call the device and find if from a different location.
I have not read all of ur but dose urs do that? if so can u give me some hints?

]]> By: Alex http://tinkerlog.com/2007/08/08/firmware-for-the-gps-tracking-device/#comment-9176 Alex Tue, 18 Mar 2008 19:27:06 +0000 http://tinkerlog.com/2007/08/08/firmware-for-the-gps-tracking-device/#comment-9176 Hi Victor, you are right, that can be done. You could even optimise it to send a new SMS only if the position has changes. BTW, if the SMS costs too much, you can switch to the GPRS option. That would require a GPRS data plan, but that may be cheaper than sending multiple SMS. http://tinkerlog.com/2007/09/23/using-twitter-and-twibble-for-mobile-tracking/ Cheers, Alex Hi Victor,

you are right, that can be done. You could even optimise it to send a new SMS only if the position has changes.
BTW, if the SMS costs too much, you can switch to the GPRS option. That would require a GPRS data plan, but that may be cheaper than sending multiple SMS.
http://tinkerlog.com/2007/09/23/using-twitter-and-twibble-for-mobile-tracking/

Cheers,
Alex

]]> By: Victor http://tinkerlog.com/2007/08/08/firmware-for-the-gps-tracking-device/#comment-9166 Victor Tue, 18 Mar 2008 13:59:08 +0000 http://tinkerlog.com/2007/08/08/firmware-for-the-gps-tracking-device/#comment-9166 I think it's expensive device ( price of SMS ) You can adding some additional function to your tracker: it don't send anything before recive phone cell ( or SMS ). After that it is starting to get position and send SMS ( it can be one SMS or series of SMS ). Or it can be drived by incoming SMS like this ( text os SMS ): start [n] ( n - number of position messages, if 0 - continue ) stop ( stop sending SMS ) I am sorry for my English I think it’s expensive device ( price of SMS )
You can adding some additional function to your tracker:
it don’t send anything before recive phone cell ( or SMS ). After that it is starting to get position and send SMS ( it can be one SMS or series of SMS ). Or it can be drived by incoming SMS like this ( text os SMS ):
start [n] ( n - number of position messages, if 0 - continue )
stop ( stop sending SMS )

I am sorry for my English

]]> By: jorge orengo http://tinkerlog.com/2007/08/08/firmware-for-the-gps-tracking-device/#comment-7227 jorge orengo Fri, 22 Feb 2008 21:44:24 +0000 http://tinkerlog.com/2007/08/08/firmware-for-the-gps-tracking-device/#comment-7227 I´ll test gps track device with ADOBE FLEX COMPONENTS BELOW : http://www.afcomponents.com/ I thing that firmware software can generate a XML file for integration with google maps ! This components are free ! Certainly alex can modify and provided a professional solution for tracking. I´ll test gps track device with ADOBE FLEX COMPONENTS BELOW :

http://www.afcomponents.com/

I thing that firmware software can generate a XML file for integration with google maps ! This components are free ! Certainly alex can modify and
provided a professional solution for tracking.

]]> By: surveillance guy http://tinkerlog.com/2007/08/08/firmware-for-the-gps-tracking-device/#comment-1671 surveillance guy Thu, 15 Nov 2007 08:11:54 +0000 http://tinkerlog.com/2007/08/08/firmware-for-the-gps-tracking-device/#comment-1671 Very informative article about GPS tracking. Loved it. Very informative article about GPS tracking. Loved it.

]]> By: tano http://tinkerlog.com/2007/08/08/firmware-for-the-gps-tracking-device/#comment-661 tano Thu, 25 Oct 2007 17:00:39 +0000 http://tinkerlog.com/2007/08/08/firmware-for-the-gps-tracking-device/#comment-661 hi again today i've made some kind of test of above problem described.I compile and run sample application that use software uart and print "Hallo Peter !\n\r" on terminal.It was compile for 4MHz ,8MHz Internal OSC and 7,3728 Mhz ext crystal.All results - I mean 4,8, and 7,3728 MHz was equal to "Ю=''!ї_55". In internet I've read about max232... Is it right way? thanks and cheers Tano hi again today i’ve made some kind of test of above problem described.I compile and run sample application that use software uart and print “Hallo Peter !\n\r” on terminal.It was compile for 4MHz ,8MHz Internal OSC and 7,3728 Mhz ext crystal.All results - I mean 4,8, and 7,3728 MHz was equal to “Ю=”!ї_55”.
In internet I’ve read about max232… Is it right way?
thanks and cheers
Tano

]]> By: tano http://tinkerlog.com/2007/08/08/firmware-for-the-gps-tracking-device/#comment-638 tano Wed, 24 Oct 2007 18:48:02 +0000 http://tinkerlog.com/2007/08/08/firmware-for-the-gps-tracking-device/#comment-638 again stupid newbie.I did it like you say and put a 7.3728Mhz quartz and telit and atmega8 is talking to each other perfect.but now there is a problem with software uart a connected to my pc (in 9600 boud)- I see that bytes are sending over wire but they are unreadable.may be timer1 sync problem or ? is there any fuses in atmega that migth be set? thanks and cheers tano again stupid newbie.I did it like you say and put a 7.3728Mhz quartz and telit and atmega8 is talking to each other perfect.but now there is a problem with software uart a connected to my pc (in 9600 boud)- I see that bytes are sending over wire but they are unreadable.may be timer1 sync problem or ?
is there any fuses in atmega that migth be set?
thanks and cheers
tano

]]> By: Alex http://tinkerlog.com/2007/08/08/firmware-for-the-gps-tracking-device/#comment-536 Alex Tue, 16 Oct 2007 22:27:55 +0000 http://tinkerlog.com/2007/08/08/firmware-for-the-gps-tracking-device/#comment-536 Hi tano, the crystal frequency is important for choosing the correct baud rate. Please have a look at http://www.atmel.com/dyn/resources/prod_documents/2486S.pdf at page 159. It lists error rates for given frequency and baud rates. HTH. Cheers, Alex Hi tano,
the crystal frequency is important for choosing the correct baud rate. Please have a look at http://www.atmel.com/dyn/resources/prod_documents/2486S.pdf at page 159. It lists error rates for given frequency and baud rates.
HTH.
Cheers,
Alex

]]> By: tano http://tinkerlog.com/2007/08/08/firmware-for-the-gps-tracking-device/#comment-534 tano Tue, 16 Oct 2007 12:01:36 +0000 http://tinkerlog.com/2007/08/08/firmware-for-the-gps-tracking-device/#comment-534 newbie question.Is 4.096Mhz quartz is VERY important for device to work at all.What about if put a 4Mhz or 5Mhz ? newbie question.Is 4.096Mhz quartz is VERY important for device to work at all.What about if put a 4Mhz or 5Mhz ?

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