[Loadstone] Loadstone as a gps receiver

Ari Moisio arimo at iki.fi
Thu May 8 04:58:53 BST 2008


Hi

  There isone problem: i do not know the coordinates. Access will probably 
show them in the edit favourite view but they are not accessible with 
screen reader. In addition entering those coordinates to WFA is not very 
accessible too.



You can still escape from the Gates of hell: Use Linux!
-- 
mr. M01510


On Wed, 7 May 2008, Shawn Kirkpatrick wrote:

> It sounds like it would just be easier to use loadstone's enter point
> function. That'll let you enter the latitude and longitude directly without
> having to try and transmit it anywhere.
>
> On Wed, 7 May 2008, Ari Moisio wrote:
>
>> Hi
>>
>>  I use the emulator with WFA following way: i start the emulator with some
>> known location, for example my home. Then i select vicinity favourites and
>> look distance and direction to that favourite.  I enter those values to
>> the emulator, it calculates a new location based on that information and
>> begins to transmit a new location data. Now i can copy the new  lat & lon
>> values to the LS database.
>>
>>  When transferring locations from LS to  WFA i enter LS location directly
>> to the lat & lon coordinates  and store the location as a favourite with
>> WFA.
>>
>> The program itself is quite simple; it keeps location, altitude, heading
>> and other gps information in variables and transmits them continyously. If
>> it receives a command to alter any value it perform required calculations,
>> updates relevant variables and continues to transmit gps data, gga, rmc
>> and gsv once in a second. Time information is retrieved from the
>> computer's clock, there is no need for extreme accuracy. In fack,
>> a 'sleep(1)' after each group of sentences is the only timing source.
>>
>>  The code is written in perl and the interface is written as a bash
>> script. The whole project is currently at prooff-of-concept-stage but will
>> someday got a ncurses/web interface.
>>
>>
>>
>> You can still escape from the Gates of hell: Use Linux!
>> --
>> mr. M01510
>>
>>
>> On Tue, 6 May 2008, Shawn Kirkpatrick wrote:
>>
>>> I'm not sure how this functionality would allow wf access users to transfer
>>> points to loadstone. Turning loadstone in to a receiver would be rather
>>> difficult I think since it's not going to be able to transmit a continuous
>>> data stream.
>>> The one feature we do want is the ability to playback an nmea log file. Then
>>> you could simulate a receiver by playing back a previously recorded trip. If
>>> you could write an emulator in linux that could playback an nmea log (at the
>>> correct output speed) I'd be interested in that code.
>>>
>>> On Tue, 6 May 2008, arimo at iki.fi wrote:
>>>
>>>> Hi
>>>>
>>>>  I know, the subject sounds a bit weird.
>>>>
>>>>  I made a demonstration of different gps applications today indoors but
>>>> couldn't show all the features without a gps coverage.  Because i have
>>>> earlier made a  Linux application that emulates a receiver i though
>>>> similar feature would be handy in a mobile phone. Because LS already has
>>>> an ability to move virtually in the map it's functionality could be
>>>> extended to transmit relevant location information via bluetooth to
>>>> another navigation application. With this functionality user can for
>>>> example send LS points to any bluetooth-capable navigator. WF Access users
>>>> could also transfer their favourites into LS.
>>>>
>>>>  On my emulator only gga, rmc and gsv sentences are used. Emulator has
>>>> commands to set lat and lon coordinates separately, could transmit any
>>>> speed, heading and altitude data and has function to perform a simple move
>>>> n meters to direction x. or move continuously at given speed to given
>>>> direction.
>>>>
>>>>
>>>>
>>>>
>>>> You can still escape from the Gates of hell: Use Linux!
>>>> --
>>>> mr. M01510
>>>>
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>>>>
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>>>
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