initial add

.project

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>bancroft</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+	</buildSpec>
+	<natures>
+	</natures>
+</projectDescription>

bancroft.js

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+var spawn = require('child_process').spawn, sys = require('sys'), events = require('events'), fs = require('fs');
+
+var Bancroft = function (options) {
+  var emitter = events.EventEmitter.call(this);
+  var opts = mixin(options, {
+    'port' : 2947,
+    'hostname' : 'localhost'
+  });
+  var net = require('net');
+
+  var serviceSocket = new net.Socket();
+  serviceSocket.setEncoding('ascii');
+  serviceSocket.on("data", function (payload) {
+
+    var info = payload.split('\n');
+    for ( var index = 0; index < info.length; index++) {
+      if (info[index]) {
+        var data = JSON.parse(info[index]);
+        console.log('got', data);
+        if (data.class === 'VERSION') {
+          emitter.emit('connect', {
+            'release' : data.release,
+            'version' : data.version
+          });
+        } else if (data.class === 'TPV') {
+          emitter.emit('location', data);
+        } else if (data.class === 'SKY') {
+          emitter.emit('satellite', data);
+        }
+      }
+    }
+    /* serviceSocket.write('?POLL;\n'); */
+
+  });
+  serviceSocket.on("close", function (err) {
+    emitter.emit('disconnect', err);
+  });
+
+  serviceSocket.on('connect', function (socket) {
+    serviceSocket.write('?WATCH={"enable":true,"json":true}\n');
+    serviceSocket.write('?POLL;\n');
+  });
+
+  serviceSocket.connect(opts.port, opts.hostname);
+
+  return this;
+};
+
+var mixin = function (source, destination) {
+
+  if (typeof (source) == "object") {
+    for ( var prop in source) {
+      if ((typeof (source[prop]) == "object") && (source[prop] instanceof Array)) {
+        if (destination[prop] === undefined) {
+          destination[prop] = [];
+        }
+        for ( var index = 0; index < source[prop].length; index += 1) {
+          if (typeof (source[prop][index]) == "object") {
+            if (destination[prop][index] === undefined) {
+              destination[prop][index] = {};
+            }
+            destination[prop].push(mixin(source[prop][index], destination[prop][index]));
+          } else {
+            destination[prop].push(source[prop][index]);
+          }
+        }
+      } else if (typeof (source[prop]) == "object") {
+        if (destination[prop] === undefined) {
+          destination[prop] = {};
+        }
+        mixin(source[prop], destination[prop]);
+      } else {
+        destination[prop] = source[prop];
+      }
+    }
+  }
+
+  return destination;
+};
+
+sys.inherits(Bancroft, events.EventEmitter);
+module.exports = Bancroft;

package.json

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+{
+  "author": "Pascal Deschenes <pdeschen@rassemblr.com> (http://blog.rassemblr.com)",
+  "name": "bancroft",
+  "description": "gpsd client",
+  "version": "0.0.1",
+  "repository": {
+    "url": ""
+  },
+  "main": "bancroft",
+  "engines": {
+    "node": "v0.4.5"
+  },
+  "dependencies": {},
+  "devDependencies": {}
+}

test.js

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+var Bancroft = require('./bancroft.js');
+
+var bancroft = new Bancroft();
+bancroft.on('connect', function () {
+  console.log('connected');
+});
+bancroft.on('location', function (location) {
+  console.log('got location');
+});
+bancroft.on('satellite', function (location) {
+  console.log('got satellite');
+});
+bancroft.on('disconnect', function (err) {
+  console.log('disconnected');
+});

test/out.dat

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+
+{"class":"VERSION","release":"2.95","rev":"2010-12-03T21:16:23","proto_major":3,"proto_minor":3}
+{"class":"DEVICES","devices":[{"class":"DEVICE","path":"/dev/ttyUSB0"}]}
+{"class":"WATCH","enable":true,"json":true,"nmea":false,"raw":0,"scaled":false,"timing":false}
+
+
+{"class":"TPV","tag":"GLL","device":"/dev/ttyUSB0","time":1311042294.000,"ept":0.005,"lat":45.457871667,"lon":-73.569558333,"alt":74.700,"epv":23.000,"track":0.0000,"speed":0.000,"climb":0.000,"mode":3}
+{"class":"SKY","tag":"GSV","device":"/dev/ttyUSB0","vdop":1.00,"hdop":6.70,"pdop":6.80,"satellites":[{"PRN":2,"el":50,"az":268,"ss":0,"used":false},{"PRN":4,"el":76,"az":37,"ss":50,"used":true},{"PRN":5,"el":15,"az":204,"ss":0,"used":false},{"PRN":10,"el":58,"az":166,"ss":0,"used":false},{"PRN":12,"el":39,"az":297,"ss":38,"used":true},{"PRN":13,"el":17,"az":94,"ss":0,"used":false},{"PRN":17,"el":44,"az":119,"ss":0,"used":false},{"PRN":20,"el":9,"az":42,"ss":0,"used":false},{"PRN":23,"el":18,"az":63,"ss":40,"used":true},{"PRN":25,"el":13,"az":323,"ss":0,"used":false}]}
+{"class":"TPV","tag":"GLL","device":"/dev/ttyUSB0","time":1311042296.000,"ept":0.005,"lat":45.457868333,"lon":-73.569558333,"alt":74.700,"epv":23.000,"track":0.0000,"speed":0.000,"climb":0.000,"mode":3}
+{"class":"TPV","tag":"GLL","device":"/dev/ttyUSB0","time":1311042298.000,"ept":0.005,"lat":45.457863333,"lon":-73.569560000,"alt":74.700,"epv":23.000,"track":0.0000,"speed":0.000,"climb":0.000,"mode":3}
+{"class":"TPV","tag":"GLL","device":"/dev/ttyUSB0","time":1311042300.000,"ept":0.005,"lat":45.457856667,"lon":-73.569560000,"alt":74.700,"epv":23.000,"track":0.0000,"speed":0.000,"climb":0.000,"mode":3}
+{"class":"SKY","tag":"GSV","device":"/dev/ttyUSB0","vdop":1.00,"hdop":6.70,"pdop":6.80,"satellites":[{"PRN":2,"el":50,"az":268,"ss":0,"used":false},{"PRN":4,"el":76,"az":37,"ss":50,"used":true},{"PRN":5,"el":15,"az":204,"ss":0,"used":false},{"PRN":10,"el":58,"az":166,"ss":0,"used":false},{"PRN":12,"el":39,"az":297,"ss":37,"used":true},{"PRN":13,"el":17,"az":94,"ss":0,"used":false},{"PRN":17,"el":44,"az":119,"ss":0,"used":false},{"PRN":20,"el":9,"az":42,"ss":0,"used":false},{"PRN":23,"el":18,"az":63,"ss":40,"used":true},{"PRN":25,"el":13,"az":323,"ss":0,"used":false}]}
+{"class":"TPV","tag":"GLL","device":"/dev/ttyUSB0","time":1311042302.000,"ept":0.005,"lat":45.457848333,"lon":-73.569560000,"alt":74.700,"epv":23.000,"track":0.0000,"speed":0.000,"climb":0.000,"mode":3}
+