example.js

/*
  Start with:  node example.js
  Telnet to:   telnet 127.0.0.1 1337
  Copy/paste:  1203292316,0031698765432,GPRMC,211657.000,A,5213.0247,N,00516.7757,E,0.00,273.30,290312,,,A*62,F,imei:123456789012345,123
*/

var tk102 = require ('tk102');
var net = require ('net');

var gps = '1203292316,0031698765432,GPRMC,211657.000,A,5213.0247,N,00516.7757,E,0.00,273.30,290312,,,A*62,F,imei:123456789012345,123';

// fancy console log
function output (data) {
  console.log ('\nIncoming GPS data:\n');
  console.dir (data, {
    colors: String (process.env.TERM) .match (/color$/)
  });
}

// report only track event to console
tk102.on ('track', output);

// wait for server to be ready
tk102.on ('listening', function (lst) {
  var client;

  console.log ('TK102 server is ready');

  // Send data with telnet
  client = net.connect (lst.port, function () {
    console.log ('Connected to TK102 server');
    console.log ('Sending GPS data string for processing');

    client.write (gps + '\r\n');
    client.end ();

    console.log ('CTRL+C to exit');
  });
});

// start server
tk102.createServer ({
  port: 1337
});