Doorbell

hobu_analog_in_V2/app.js

@@ -0,0 +1,101 @@
+var Tinkerforge = require('../Tinkerforge')
+,   Conf        = require('./config.json')
+,   http        = require('http');
+
+var HOST = Conf.host;
+var PORT = Conf.port;
+var UID = Conf.uid;
+
+var ipcon = new Tinkerforge.IPConnection(); // Create IP connection
+var ai = new Tinkerforge.BrickletAnalogInV2(UID, ipcon); // Create device object
+
+var radicalChange = false;
+var readyForNextNotification = true;
+
+ipcon.connect(HOST, PORT,
+  function (error) {
+    console.log('Error: ' + error);
+  }
+); // Connect to brickd
+// Don't use device before ipcon is connected
+
+ipcon.on(Tinkerforge.IPConnection.CALLBACK_CONNECTED,
+  function (connectReason) {
+    // Set period for voltage callback to 1s (1000ms)
+    // Note: The voltage callback is only called every second
+    //       if the voltage has changed since the last call!
+    ai.setVoltageCallbackPeriod(1000);
+
+    console.log('Host: ' + Conf.host + ':' + Conf.port + ' connected');
+  }
+);
+
+// Register voltage callback
+ai.on(Tinkerforge.BrickletAnalogInV2.CALLBACK_VOLTAGE,
+  // Callback function for voltage callback (parameter has unit mV)
+  function (voltage) {
+    var v = voltage/1000.0;
+    console.log('Voltage: ' + v + ' V');
+
+    if(v > 3) {
+      if(readyForNextNotification) {
+        radicalChange = true;
+        readyForNextNotification = false;
+        
+        setTimeout(function() { readyForNextNotification = true; }, 10000);
+      } else {
+        radicalChange = false;
+      }
+    } else {
+      radicalChange = false;
+    }
+    
+    if(radicalChange) {
+      doHoBuDoorBellCall();
+    }
+  }
+);
+
+process.on( 'SIGINT', function() {
+  Log.log( "Gracefully disconnect " + HOST );
+  ipcon.disconnect();
+  process.exit( );
+});
+
+
+/* private */
+function doHoBuDoorBellCall() {
+  var options = {
+    host: Conf.on.ring.host,
+    port: Conf.on.ring.port,
+    path: Conf.on.ring.path
+  };
+
+  callback = function(response) {
+    var str = '';
+  
+    //another chunk of data has been recieved, so append it to `str`
+    response.on('data', function (chunk) {
+      str += chunk;
+    });
+
+    //the whole response has been recieved, so we just print it out here
+    response.on('end', function () {
+      console.log(str);
+    });
+  }
+
+  var req = http.request(options, function(res) {
+    //Log.inspect('Result', res);
+  });
+  
+  req.on('error', function(err) {
+    if(HOST) {
+      Log.error(HOST + ': ' + err);
+    } else {
+      Log.error(err);
+    }
+  });
+  
+  req.end();
+}

hobu_analog_in_V2/config.json

@@ -0,0 +1,12 @@
+{
+	"host": "192.168.2.123",
+	"port": 4223,
+	"uid": "vhb",
+	"on": {
+		"ring": {
+			"host": "hobu",
+			"port": "2999",
+			"path": "/doorbell/ring/haustuer/"
+		}
+	}
+}