# HG changeset patch
# User Nicholas Jillings <n.g.r.jillings@se14.qmul.ac.uk>
# Date 1458834165 0
# Node ID f9e9d94c9b9a4cd6a5592b12d76734d96ff5fe65
# Parent  9ba8ad2dde010c793acac75aea38ba43942543f3
Started adding calibration modules.

diff -r 9ba8ad2dde01 -r f9e9d94c9b9a core.js
--- a/core.js	Thu Mar 24 13:55:08 2016 +0000
+++ b/core.js	Thu Mar 24 15:42:45 2016 +0000
@@ -3065,6 +3065,44 @@
         this.object.appendChild(this.slider);
         this.object.appendChild(this.valueText);
     }
+    
+    this.calibrationModule = function() {
+        // This creates an on-page calibration module
+        this.storeDOM = storage.document.createElement("calibration");
+        storage.root.children[0].appendChild(this.storeDOM);
+        // The calibration is a fixed state module
+        this.calibrationNodes = [];
+        var f0 = 62.5;
+        while(f0 < 20000) {
+            var obj = {
+                root: document.createElement("div"),
+                input: document.createElement("input"),
+                oscillator: audioContext.createOscillator(),
+                gain: audioContext.createGain(),
+                parent: this,
+                handleEvent: function(event) {
+                    gain.gain.value = Math.pow(10,input.value/20);
+                },
+                disconnect: function() {
+                    this.gain.disconnect();
+                }
+            }
+            obj.root.appendChild(obj.input);
+            obj.oscillator.connect(obj.gain);
+            obj.gain.connect(audioContext.destination);
+            obj.gain.gain.value = Math.random()*2;
+            obj.input.value = obj.gain.gain.value;
+            obj.input.type = "range";
+            obj.input.min = -60;
+            obj.input.max = 12;
+            obj.input.step = 0.25;
+            obj.oscillator.frequency.value = f0;
+             this.calibrationNodes.push(obj);
+            f0 *= 2;
+        }
+    }
+    
+    
 	// Global Checkers
 	// These functions will help enforce the checkers
 	this.checkHiddenAnchor = function()
diff -r 9ba8ad2dde01 -r f9e9d94c9b9a example_eval/project.xml
--- a/example_eval/project.xml	Thu Mar 24 13:55:08 2016 +0000
+++ b/example_eval/project.xml	Thu Mar 24 15:42:45 2016 +0000
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <waet xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="test-schema.xsd">
-	<setup interface="APE" projectReturn="save.php" randomiseOrder='true' testPages="2" loudness="-23" sampleRate="44100">
+	<setup interface="APE" projectReturn="save.php" randomiseOrder='true' testPages="2" loudness="-23" sampleRate="44100" calibration="true">
 		<survey location="before">
 			<surveyentry type="question" id="sessionId" mandatory="true">
 				<statement>Please enter your name.</statement>