Add activelow support for active low devices

README.md

@@ -1,3 +1,6 @@
 # heimcontrol.js
 
 Documentation can be found here: http://ni-c.github.com/heimcontrol.js/
+
+### Additions
+Added a method to control Active low relays such as this one [here](http://www.amazon.com/Active-Channel-Relay-Module-Arduino/dp/B00E7PRHVO). Since these are active low, they need to be switched off inorder to turn them on. I simply made another method, (**Active low**) that reverses the switches used in the led method. In order for this to work, i also use another duino lib name Active low which can be downloaded [here](https://gist.github.com/schneiderr/71ea2fc8abebac03ebfa).

plugins/arduino/index.js

@@ -50,6 +50,10 @@ define([ 'duino' ], function(duino) {
       socket.on('arduino-led', function(data) {
         that.led(data);
       });
+      socket.on('arduino-activelow', function(data) {
+        that.activelow(data);
+      });
+      });
     });
 
   };
@@ -153,6 +157,44 @@ define([ 'duino' ], function(duino) {
       }
     });
   };
+   /**
+   * Turn an Activelow light on
+   * 
+   * @method Activelow
+   * @param {Object} data The websocket data from the client
+   * @param {String} data.id The ID of the database entry from the LED to use
+   * @param {String} data.value The value 1 every time to trigger .75 sec send.
+   */
+  Arduino.prototype.activelow = function(data) {
+
+    var that = this;
+    this.pluginHelper.findItem(that.collection, data.id, function(err, item, collection) {
+      if ((!err) && (item)) {
+        // Inform clients over websockets
+        that.app.get('sockets').emit('arduino-activelow', data);
+
+        item.value = (parseInt(data.value));
+        that.values[item._id] = item.value;
+
+        // Create LED object
+        if (!that.pins[item.pin]) {
+          that.pins[item.pin] = new duino.Activelow({
+            board: that.board,
+            pin: parseInt(item.pin)
+          });
+        }
+
+        // Change LED status
+        if(item.value == "1"){
+          that.pins[item.pin].on();
+        }else {
+          that.pins[item.pin].off();
+        }
+      } else {
+        console.log(err);
+      }
+    });
+  };
 
   /**
    * Initialize the sensors attached to the Arduino

plugins/arduino/public/css/arduino.css

@@ -9,4 +9,7 @@
 }
 .plugin-container.arduino.led:after {
   content: "Arduino LED";
-}
+}
+.plugin-container.arduino.activelow:after {
+  content: "Arduino ActiveLow";
+}

plugins/arduino/public/js/arduino.js

@@ -19,6 +19,13 @@ require([ "jquery", "/socket.io/socket.io.js" ], function() {
     $('*[data-id="' + data.id + '"][data-value="' + data.value + '"]').addClass('active');
   });
 
+   /**
+   * ActiveLow status switched
+   */
+  socket.on('arduino-activelow', function(data) {
+    $('*[data-id="' + data.id + '"]').removeClass('active');
+    $('*[data-id="' + data.id + '"][data-value="' + data.value + '"]').addClass('active');
+  });
   /**
    * Arduino sensor data received
    */

plugins/arduino/views/item.jade

@@ -38,3 +38,14 @@ each item in items
         button.btn.btn-inverse.btn-large.socket(type="button", data-socket="arduino-led", data-value="0", data-id="#{item._id}", class=(item.value == 0 ? 'active' : '')) 
           i.icon-circle-blank
           | Off
+    - if (item.method == 'activelow')
+      p.description
+        span.muted Active Low: 
+        strong #{item.description} 
+      div.btn-group(data-activelow="buttons-radio")
+        button.btn.btn-large.socket(type="button", data-socket="arduino-activelow", data-value="1", data-id="#{item._id}", class=(item.value == 1 ? 'active' : ''))
+          i.fa.fa-power-off
+          | On
+        button.btn.btn-inverse.btn-large.socket(type="button", data-socket="arduino-activelow", data-value="0", data-id="#{item._id}", class=(item.value == 0 ? 'active' : '')) 
+          i.fa.fa-circle-o-notch
+          | Off

plugins/arduino/views/settings.jade

@@ -27,6 +27,7 @@ div.container
                 option(value="sensor",selected=(item.method == 'sensor')) sensor
                 option(value="irremote",selected=(item.method == 'irremote')) ir-remote
                 option(value="led",selected=(item.method == 'led')) led
+                option(value="activelow",selected=(item.method == 'activelow')) Active Low
               div.switch-container
                 div.rcswitch(class=(item.method != 'rcswitch' ? 'hidden' : ''))
                   label(for="code") Tristate-Code:
@@ -89,6 +90,7 @@ div.plugin-container.arduino.settings#template(style="display: none;")
       option(value="sensor") sensor
       option(value="irremote") ir-remote
       option(value="led") led
+      option(value="activelow") Active Low
     div.switch-container
       div.rcswitch.hidden
         label(for="code") Tristate-Code:

views/layout.jade

@@ -2,7 +2,9 @@ doctype 5
 html
   head
     title heimcontrol.js | #{title}
-    link(rel='stylesheet', href='#{theme}') 
+    link(rel='stylesheet', href='#{theme}')
+    link(href="//netdna.bootstrapcdn.com/twitter-bootstrap/2.3.0/css/bootstrap-combined.min.css", rel="stylesheet")
+    link(href="//netdna.bootstrapcdn.com/font-awesome/4.1.0/css/font-awesome.min.css", rel="stylesheet")
     link(rel='stylesheet', href='/css/bootstrap-responsive.min.css')
     link(rel='stylesheet', href='/css/font-awesome.min.css')
     link(rel='stylesheet', href='/css/heimcontrol.css')