Re: [Gpsbabel-misc] Installing gpsbabel on Intel Edison
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Re: [Gpsbabel-misc] Installing gpsbabel on Intel Edison
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From: Allen E. <all...@ol...> - 2017-07-18 01:19:02
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Here is my code. The input is a file that is created by a bash script from
a log file. It just has a series of nmea gps RMC sentences. It produces
gpx files that work with OpenCPN, which was my goal. Maybe it has issues
and I have not tried it in actual use but it wasn't too bad to create. It
will wait for a speed over 1.3 knots then create a record every second
until the end. That cuts out the sitting at the dock part but not the mid
race wind died and the current is taking you out the gate part. If anybody
sees issues with it please feel free to let me know. I know this is out of
scope for gpsbabel but someone said if I wanted to create something and
share that was fine so here it is at least so far.
Allen
// heel text code
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
double convertLocation(double number,char quad){
double result = 0;
int degrees = (int)(number / 100);
double minutes = (number - degrees * 100) / 60;
result = degrees + minutes;
if (quad == 'S' || quad == 'W') result = -result;
return result;
}
double ktomps(double knots){
return knots * 0.514444; // meters per second
}
void convertDateTime(float time, int when, char bufferOut[]){
//2017-07-12T01:36:03Z
// 120717 013603
int myTime = (int)(time + .5);
char t[7];
char d[7];
sprintf(t, "%06d", myTime);
sprintf(d, "%06d", when);
//printf(" >%s< \n", t);
sprintf(bufferOut,"20%c%c-%c%C-%c%cT%c%C:%c%C:%c%CZ",
d[4],d[5],d[2],d[3],d[0],d[1],t[0],t[1],t[2],t[3],t[4],t[5]);
}
int gpx(){
char line [ 128 ]; /* or other suitable maximum line size */
//
$GPRMC,013603.000,A,3740.1189,N,12219.7050,W,5.89,136.08,120717,,,D*7E
float time = 0;
char valid;
int trigger = 0;
float latitude = 0;
float longitude = 0;
char ns = 'x';
char ew = 'x';
float speed = 0;
float heading = 0;
int when = 0;
FILE* fp_gpx = fopen("gps.gpx","w");
fprintf(fp_gpx,"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<gpx
version=\"1.0\" >\n<trk>\n<trkseg>\n");
printf("ST Create GPX File\n");
FILE* fp_nmea = fopen("gps.nmea","r");
char buffer[50];
if ( fp_nmea != NULL ){
while ( fgets ( line, sizeof line, fp_nmea ) != NULL ) /* read a line
*/{
//fputs ( line, stdout );
sscanf(line,"$GPRMC,%f,%c,%f,%c,%f,%c,%f,%f,%d",&time,&valid,&latitude,&ns,&longitude,&ew,&speed,&heading,&when);
if(speed > 1.3) trigger = 1;
if (valid == 'A' && trigger == 1){
convertDateTime(time,when,buffer);
fprintf(fp_gpx,"<trkpt lat=\"%f\"
lon=\"%f\">\n",convertLocation(latitude,ns),convertLocation(longitude,ew));
fprintf(fp_gpx,"<time>%s</time>\n",buffer);
fprintf(fp_gpx," <course>%.1f</course>\n",heading);
fprintf(fp_gpx," <speed>%.3f</speed>\n",ktomps(speed));
fprintf(fp_gpx,"</trkpt>\n");
}
}
}
fclose (fp_nmea);
fprintf(fp_gpx,"</trkseg>\n</trk>\n</gpx>");
fclose (fp_gpx);
return 0;
}
int main(int argc, char **argv){
gpx();
return 0;
}
On Mon, Jul 17, 2017 at 6:01 PM, Craig Bergh <cb...@iw...> wrote:
> Hello Allen
> The locosys GPS has menu option for "minimum speed". This means the GPS
> will not record data below this set speed. Most windsurfers, liters and
> sailboats set a minimum speed of either 5 knots or 5 mph.
> I hope this helps.
> Thank you
> Craig Bergh
>
> Sent from my iPhone
>
> On Jul 17, 2017, at 6:00 PM, Allen Edwards <all...@ol...>
> wrote:
>
> Simple, unless you want an offline installer for a 32 bit Linux computer
> like the Edison... I have no browser so seems that online installer, which
> does list a 32 bit version, is out of the question. But only a 64 bit
> version is listed for offline. Or maybe I just don't understand but
> doesn't matter.
>
> I finished my converter and it is working nicely. Now I am adding
> features like not starting the gpx file until the speed is above 1.3 knots
> so I don't just collect data while in the slip before the race. Not sure
> if gpsbabel can do that or not but it is sometimes nice to build an
> application specific version in the long run.
>
> Allen
>
> On Mon, Jul 17, 2017 at 3:40 PM, Robert Lipe <rob...@gp...>
> wrote:
>
>>
>>
>> On Mon, Jul 17, 2017 at 4:58 PM, SRE <ste...@cl...> wrote:
>>
>>> At 11:06 AM 7/17/17, Robert Lipe wrote:
>>> >see you need to install Qt, and you're ready to go
>>>
>>> Nope. Qt won't build on my Win10 machine, nor would it build
>>> on my Win7 box before it. Even when it did sort of work after
>>>
>>
>> Choose the Open Source option at
>> https://info.qt.io/download-qt-for-application-development
>> Install the version for Windows
>> <http://doc.qt.io/qt-5/windows-requirements.html>.
>>
>> That's the same downfall that Allen had; building WITH Qt is different
>> than building Qt.
>> I'll try to make it clearer on that page that you should almost always
>> be running the prebuilt versions of Qt and not trying to build Qt itself.
>>
>>
>> Building Qt and installing Qt are about as different as baking a cake
>> and eating a cake.
>> Building Qt is, indeed, a beast. The same is true as, say, GCC.
>> Installing GCC is like a 20 second operation. BUILDING GCC is a half day
>> job to find all the dependencies and then 10 hours of building.
>>
>>
>>
>>> I've asked several times if anyone has a working Windoze build
>>> environment for GPSBabel, and only heard crickets. If my info
>>>
>>
>> We just don't have a lot of developers using Windows. We never have, and
>> I gather that's common in open source projects; the percentage of
>> developers is disproportionately low. Without doing a search, you and
>> Gerhard are the two that come to mind. Perhaps there have been more that
>> just haven't had the problems you've had. I use Windows only begrudgingly.
>> If not for building GPSBabel, I'd have been mostly Microsoft-free since the
>> late 80's so I can't offer huge amounts of help with the build setup.
>>
>> As a sanity check, I just ran
>> https://github.com/gpsbabel/gpsbabel.git
>> changed directory into gpsbabel and successfully built it on OS/X. The
>> GPSBabel.pro file seems up to date. (It does fall out of date from time to
>> time as I alternate development between configure && make (primary) and
>> QtCreator (secondary) depending on which computer I'm using and from where.
>>
>> Hope that clears things up.
>> RJL
>>
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>>
>>
> ------------------------------------------------------------
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> Gps...@li...
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