Merge pull request #790 from scottgonzalez/accelerometer-esplora

Accelerometer: Add support for Esplora
rwaldron · May 18, 2015 · f566d8f · f566d8f
2 parents 084b028 + 2b991dd
commit f566d8f
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Showing 2 changed files with 66 additions and 15 deletions.
diff --git a/lib/accelerometer.js b/lib/accelerometer.js
@@ -86,11 +86,11 @@ var Controllers = {
         sensitivity: 66.5
       }
     },
-    initialize: { 
+    initialize: {
       value: analogInitialize
     },
-    toGravity: { 
-      value: analogToGravity 
+    toGravity: {
+      value: analogToGravity
     }
   },
   ADXL345: {
@@ -180,7 +180,7 @@ var Controllers = {
           this.board.pinMode(state.sleepPin, 1);
           this.board.digitalWrite(state.sleepPin, 1);
         }
-        
+
         analogInitialize.call(this, opts, dataHandler);
       }
     },
@@ -196,22 +196,29 @@ var Controllers = {
         }
       }
     }
+  },
+  ESPLORA: {
+    DEFAULTS: {
+      value: {
+        zeroV: [320, 330, 310],
+        sensitivity: 170
+      }
+    },
+    initialize: {
+      value: function(opts, dataHandler) {
+        opts.pins = [5, 11, 6];
+        analogInitialize.call(this, opts, dataHandler);
+      }
+    },
+    toGravity: {
+      value: analogToGravity
+    }
   }
 };
 
 // Otherwise known as...
 Controllers["MPU-6050"] = Controllers.MPU6050;
 Controllers["TINKERKIT"] = Controllers.ANALOG;
-Controllers["ADXL335"] = {
-  DEFAULTS: {
-    value: {
-      zeroV: 330,
-      sensitivity: 66.5
-    }
-  },
-  initialize: { value: analogInitialize },
-  toGravity: { value: analogToGravity }
-};
 
 function ToPrecision(val, precision) {
   return +(val).toPrecision(precision);
@@ -323,7 +330,7 @@ function Accelerometer(opts) {
         if (opts.autoCalibrate && sensor.calibration.length < calibrationSize) {
           var axisIndex = axes.indexOf(axis);
           sensor.calibration.push(value);
-          
+
           if (!Array.isArray(state.zeroV)) {
             state.zeroV = [];
           }

diff --git a/test/accelerometer.js b/test/accelerometer.js
@@ -535,3 +535,47 @@ exports["Accelerometer -- MMA7361"] = {
     test.done();
   }
 };
+
+exports["Accelerometer -- ESPLORA"] = {
+  setUp: function(done) {
+    this.clock = sinon.useFakeTimers();
+    this.analogRead = sinon.spy(board.io, "analogRead");
+    this.accel = new Accelerometer({
+      controller: "ESPLORA",
+      freq: 100,
+      board: board
+    });
+
+    done();
+  },
+
+  tearDown: function(done) {
+    this.analogRead.restore();
+    this.clock.restore();
+    done();
+  },
+
+  data: function(test) {
+    var x = this.analogRead.args[0][1];
+    var y = this.analogRead.args[1][1];
+    var z = this.analogRead.args[2][1];
+    var changeSpy = sinon.spy();
+
+    test.expect(2);
+    this.accel.on("change", changeSpy);
+
+    x(320);
+    y(420);
+    z(230);
+
+    this.clock.tick(100);
+    test.ok(changeSpy.calledThrice);
+    test.deepEqual(changeSpy.args[2], [{
+      x: 0,
+      y: 0.53,
+      z: -0.47
+    }]);
+
+    test.done();
+  }
+};