Motorola
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Contents |
A780
- 70€ WWW:
- PDA (Navigation: )
- CPU: (OS: ), Flash:48MB (external: sd)
- GPS: channels, ( , )
- Display: , Connectivity: usb; bluetooth
- Internal: Batteries:
| Addresses | POIs |
| Mass Storage mode | ? Waterproof |
The Motorola A780 Linux mobile phone with build-in GPS receiver can be used with the BikeAtor-Software to track GPS. New versions of BikeAtor directly store tracklogs in GPX format compatible with JOSM.
The original battery only lasts about 2 hours, but of course it could be replaced with one of a higher capacity to easily double the time. Other devices might give more exact results, but keep in mind: It's a cellphone with full navigation on board! No need for thinking about if you will or won't need your GPS - it's there, because you won't leave your cellphone at home, will you?
Tracking
This Mobile does GPS tracking - but its format needs conversion. I will publish some conversion tool soon. This is just a sample from a log file:
StDate StTime EndDate EndTime StLat EndLat StLong EndLong Fix Total Total #OfObs (UTC) (UTC) (UTC) (UTC) Miles Hours ---------------------------------------------------------------------------------------------------------------- 08/23/2008 09:11:15 08/23/2008 09:15:50 52.029861 52.039635 8.555399 8.598636 1 -3649860701231198131961668199318255273253704759060934360615150772018946839312983390068665767128059356237740002978924188506914396338678317267284591053595745998525189226233856.00 0.000 768152 08/23/2008 09:15:53 08/23/2008 09:17:04 52.039892 52.037446 8.599602 8.614022 1 -78118279941557931703363451455652206793696749610332198789022918111496705774753948327901293097707913114779364083391770081968424685419280192230328808432059202942449336286932111339638257750450957502640494359747686692974231552.00 0.000 768152 08/23/2008 09:17:09 08/23/2008 09:17:28 52.037435 52.037543 8.613871 8.613807 1 -0.00 0.000 768152 08/23/2008 09:17:46 08/23/2008 09:18:12 52.037328 52.039549 8.614043 8.617584 1 -0.00 0.000 768152 08/23/2008 09:18:15 08/23/2008 09:19:43 52.040010 52.047724 8.618184 8.635565 1 -344646659481965599028466738922047546765953134524746744268617381020796015676674827437106811168638611102639620443121993900825615697463858624748128071954920622070466913444633264051453952.00 0.000 768152 08/23/2008 09:19:46 08/23/2008 09:25:32 52.048389 52.066178 8.635329 8.662022 1 -438278375512559217652056156777336964928373076093870088506703880101717226850843193135491371767624957503494869835647695687123337567729156216808571666432.00 0.000 768152 08/23/2008 09:25:36 08/23/2008 09:28:46 52.067304 52.101261 8.662473 8.718177 1 30068130744005489155484081831838965166576489273498100822888867340749494086281791865200369474663529612734774394515077434054123978752.00 0.000 768152
Trackpoint.java (preliminary class to store trackpoints)
public class Trackpoint{
public java.util.Date date;
public java.util.Date enddate;
public double stLat, endLat, stLong, endLong;
public int fix;
public String totMiles;
public double totHours;
public long ofObs;
public Trackpoint()
{
date=new java.util.Date();
enddate=new java.util.Date();
}
}
trackA780.java (Main Class)
import java.io.*;
public class trackA780 {
/**
*
*/
private static String trackfile="/var/misc/A780-uflash/copilot/save/Aug08Trip.log";
private static java.util.Vector<Trackpoint> pts;
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
int nol = -3; // number of lines
StringBuilder contents = new StringBuilder();
int state = 0;
pts = new java.util.Vector<Trackpoint>();
System.out.println("Args: "+args[0]+", "+args[1]);
try {
//use buffering, reading one line at a time
//FileReader always assumes default encoding is OK!
File inFile = new File(trackfile);
File outFile = new File("/tmp/trackA780.csv");
BufferedReader input = new BufferedReader(new FileReader(inFile));
BufferedWriter output = new BufferedWriter(new FileWriter(outFile));
try {
String line = null; //not declared within while loop
/*
* readLine is a bit quirky :
* it returns the content of a line MINUS the newline.
* it returns null only for the END of the stream.
* it returns an empty String if two newlines appear in a row.
*/
while (( line = input.readLine()) != null)
{
contents.append(line);
contents.append(System.getProperty("line.separator"));
if (nol>=0)
{
Trackpoint pt = new Trackpoint();
java.util.StringTokenizer tok = new java.util.StringTokenizer(line);
// System.out.println("Tokens: "+tok.countTokens());
pt.fix=0;
java.util.Date d0 = parseDate(tok.nextToken(),tok.nextToken());
pt.date = d0;
pt.enddate=parseDate(tok.nextToken(),tok.nextToken());
pt.stLat = (double) Double.parseDouble(tok.nextToken());
pt.endLat = (double) Double.parseDouble(tok.nextToken());
pt.stLong = (double) Double.parseDouble(tok.nextToken());
pt.endLong = (double) Double.parseDouble(tok.nextToken());
pts.add(pt);
}
nol++;
}
System.out.println("Eingelesen: "+nol+" Zeilen...");
for (Trackpoint e : pts)
{
output.write(e.stLat+","+e.stLong+",s "+e.date.toString()+"\n");
output.write(e.endLat+","+e.endLong+",e "+e.enddate.toString()+"\n");
}
}
finally {
input.close();
output.close();
}
}
catch (IOException ex){
ex.printStackTrace();
}
}
private static java.util.Date parseDate(String datum,String zeit)
{
java.util.StringTokenizer tok = new java.util.StringTokenizer(datum,"/",false);
int m = Integer.parseInt(tok.nextToken());
int d = Integer.parseInt(tok.nextToken());
int y = Integer.parseInt(tok.nextToken());
tok = new java.util.StringTokenizer(zeit,":",false);
int hh = Integer.parseInt(tok.nextToken());
int mm = Integer.parseInt(tok.nextToken());
int ss = Integer.parseInt(tok.nextToken());
java.util.Date dat = new java.util.Date(y-1900,m-1,d,hh,mm,ss);
System.out.println("Umwandeln von "+datum+zeit+" in "+d+"."+m+"."+y+" -> "+dat);
return dat;
}
}
