Today, Eye4Software released GPS Mapping Studio 4.1, formerly known as GPS Mapping Software. The new version of the product now supports elevation datasets...
GPS Mapping Software version 3.0 has been released. The latest version comes with a completely new user interface and a lot of new features including OpenStreetMap data support.
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Download the Eye4Software GPS Toolkit fully functional 30 day trial version for free |
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Browse through the Eye4Software GPS Toolkit manual |
The Eye4Software GPS toolkit allows software developers to add GPS functionality to their own programs without the need to have any knowledge on serial communications and GPS protocols like RS-232 and NMEA0183.
The product can be used in many programming environments, such as Visual Basic, Visual C++, Visual Studio.Net, Borland C++ Builder, Borland Delphi and VBA, but also web oriented applications such as ASP, ASP.NET and PHP, and all other programming environments that support ActiveX.
Please note that this will only work when the PHP parser is running on a Windows system. This sample will not work on linux / unix based environments, because they simply do not support ActiveX controls.
First you must have a PHP Script editor and the Eye4Software GPS Component installed on your computer. If you do not have a dedicated PHP editor, notepad will do. You can download the Eye4Software GPS Component here.
To create your PHP Script, you can just use notepad or any other text editor. Create a file with a ".php" extension.
On top of your script, add the following code to create an instance of the objects:
$objGps = new COM ( "Eye4Software.Gps" ); $objConstants = new COM ( "Eye4Software.GpsConstants" );
Below you can find the sourcecode from the PHP demo as shipped with the project. This script opens the serial port the GPS is connected to, waits until there is a valid GPS position, and writes the received information as HTML to the client.
<html>
<head>
<title>Eye4Software GPS Toolkit - PHP Sample</title>
</head>
<body>
<hr>
<h2>Eye4Software GPS Toolkit - PHP Sample</h2>
<hr>
<br>
<?php
// Create Gps object
$objGps = new COM ( "Eye4Software.Gps" );
$objConstants = new COM ( "Eye4Software.GpsConstants" );
// Serial Port Settings
$objGps->DeviceSerialPort = 3;
$objGps->DeviceBaudrate = 4800;
// Optional: Only decode specific NMEA data
// $objGps->Filter = objConstants->GPS_NMEA_FILTER_VTG | objConstants->GPS_NMEA_FILTER_GGA;
// Optional: Logfile (use for troubleshouting)
// $objGps->LogFile = "C:\\GpsLog.txt";
// Optional: Enter you registration key here
//$objGps->RegistrationCode = "XXXXXXXXXXXXXXX";
// Open Serial Port
$objGps->Open ();
// Check Result
if ( $objGps->LastError != 0 )
{
die ( "Failed to open serial port: " . $objGps->LastErrorDescription );
}
// Wait until GPS fix has received (you can add a timeout here in case there is no reception)
while ( $objGps->gpsQuality == 0 )
{
sleep ( 1 );
}
// Display information after we received a fix
echo "<table cellspacing=\"20px\" >\n";
echo "<tr><td>Time:</td><td>" . $objGps->gpsTimeString . "</td></tr>\n";
echo "<tr><td>Latitude:</td><td>" . $objGps->gpsLatitudeString . "</td></tr>\n";
echo "<tr><td>Longitude:</td><td>" . $objGps->gpsLongitudeString . "</td></tr>\n";
echo "<tr><td>Altitude:</td><td>" . $objGps->gpsAltitude . "</td></tr>\n";
echo "<tr><td>Sats:</td><td>" . $objGps->gpsSatellites . "</td></tr>\n";
echo "<tr><td>Quality:</td><td>" . $objGps->gpsQuality . "</td></tr>\n";
echo "<tr><td>Speed:</td><td>" . $objGps->gpsSpeed . "</td></tr>\n";
echo "<tr><td>Course:</td><td>" . $objGps->gpsCourse . "</td></tr>\n";
echo "</table>\n";
// Close Serial Port
$objGps->Close ();
?>
<br>
<br>
<hr>
</body>
</html>
This code will give the following result in your browser (assuming you have a valid GPS position):
