[ntp:questions] got the Sure GPS on order, how do I program it
unruh
unruh at invalid.ca
Wed Mar 7 20:28:37 UTC 2012
On 2012-03-07, Terje Mathisen <"terje.mathisen at tmsw.no"> wrote:
> unruh wrote:
>> ....
>>>
>>>> While it is true that the device does work out of the box, one might
>>>> want to change things, and for that a manual is crucial.
>>>
>>> Helpful, certainly, but not crucial. You can just the program kindly
>>> provided by one of the helpful, regular posters here, Terje Mathisen.
>>> Play! Have fun! Enjoy discovering the device!
>>
>> Trying to figure out the exact format of commands to send to accomplish
>> something is not "play". It is an exercise in futility. commands have
>> very very specific syntax, and discovering that syntax and what any
>> particular command does by trial and error is hopeless.
>
> Which is exactly why my program will list all valid commands if you run
> it with a /? parameter:
I presume (.exe) that this is a windows program. Not too useful for
those that use Linux or BSD unfortunately, or have you ported it?
>
> C:\>nmea-mtk.exe /?
> nmea-mtk (c) 2011 Terje Mathisen
> Syntax: nmea-mtk [options]
>
> Default with no options is to enable WAAS and GGA
>
> Options:
> -b baud (default 9600)
> -p port (default \\.\COM1)
> -c command (send $command*xxCRLF to gps, can be repeated)
> -t seconds (echo all NMEA sentences for t seconds
>
> Documented commands and responses:
>
> $PMTK000* : Test packet
> $PMTK010,001* : Output system message
> $PMTK101* : Hot restart
> $PMTK102* : Warm restart
> $PMTK103* : Cold restart
> $PMTK104* : Factory reset
>
> $PMTK251,4800*: Set baud rate (0,4800,9600,19200,38400,57600,115200)
>
> $PMTK300,307* : Set position fix interval (307 ms is the shortest on my
> Sure boa
> rd)
> $PMTK400* : Query Position fix interval
> $PMTK500,n* : Current Position fix interval (in ms)
>
> $PMTK301,2* : Set DGPS mode (0:off, 1:RTCM, 2:WAAS)
> $PMTK401* : Query DGPS mode
> $PMTK501,n* : Current DGPS mode status
>
> $PMTK313,1* : Enable SBAS (0:disable)
> $PMTK413* : Query SBAS
> $PMTK513 : Current SBAS Status
>
> $PMTK314,-1* : Turn on default NMEA sentences
> $PMTK314,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0* : Turn on GGA only
> The sentence order is GLL, RMC, VTG, GGA, GSA, GSV, GRS, GST,
> (5 undocumented sentences), MALM, MEPH, MDGP, MDBG, ZDA, MCHN
> $PMTK414* : Query NMEA sentences
> $PMTK514 : Current NMEA sentences
>
> $PMTK320,0* : Turn off (0) or on (1) power saving mode (test only!)
> $PMTK420* : Query power saving mode
> $PMTK520,n* : Current Power saving mode
>
> $PMTK330,0* : Set Datum (0 = WGS84)
> $PMTK430* : Query Datum
> $PMTK530,n* : Current Datum used
>
> $PMTK331,6377397.155,299.1528128,-148.0,507.0,685.0* : Set custom datum
> (semi-major axis,eccentr.,WGS84 dx offset, dy, dz)
> $PMTK431* : Query Custom Datum
> $PMTK531,n* : Current Custom Datum used
>
> $PMTK390,n* : Set Flash settings: write_count,hz,baud,
> GLL,RMC,VTG,GSA,GSV,GGA,ZDA,MCHN (default NMEA sentences to output)
> $PMTK490,n* : Query Flash settings
> $PMTK590,n* : Current Flash settings
>
> $PMTK604* : Query FW version
> $PMTK704,v1,v2,v3*: FW version numbers
> $PMTK605* : Query FW release info
> $PMTK705,releaseStr,ModelID*: FW release
>
> I.e. I've tried to include all the working commands I've been able to
> locate in the various documentation files.
>
> Terje
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