Initial states (does not interact with LEDs on initialization)

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>

eg/onboard-led.js

@@ -7,13 +7,9 @@ board.on("ready", function() {
 
   var leds = ["L0", "L1", "L2", "L3"];
 
-  leds.forEach(function(pin) {
-      this.digitalWrite(pin, this.HIGH);
-  }.bind(this));
-
-  setTimeout(function() {
-    leds.forEach(function(pin) {
-        this.digitalWrite(pin, this.LOW);
-    }.bind(this));
-  }.bind(this), 1000);
+  leds.forEach(led => this.digitalWrite(led, this.HIGH));
+
+  setTimeout(() => {
+    leds.forEach(led => this.digitalWrite(led, this.LOW));
+  }, 1000);
 });

lib/tessel.js

@@ -276,14 +276,15 @@ function Pin(options) {
   // options.port
   // options.index
 
-  var pin = options.port === "L" ? tessel.led[options.index] : tessel.port[options.port].pin[options.index];
+  var pin = options.port === "L" ?
+    tessel.led[options.index] : tessel.port[options.port].pin[options.index];
   var state = {
     isAnalogInput: false,
     isPwm: false,
     isServo: false,
     pin: pin,
     index: ports.byPortName[options.port].offset + options.index,
-    mode: 0
+    mode: undefined
   };
 
   Object.assign(this, options.capabilities);
@@ -330,9 +331,12 @@ function Pin(options) {
     }
   });
 
-  // Set all pins to OUTPUT and LOW
-  this.mode = 1;
-  this.value = 0;
+  // Don't mess with the error or warning leds...
+  if (options.port !== L) {
+    // But otherwise, set all pins to OUTPUT and LOW
+    this.mode = 1;
+    this.value = 0;
+  }
 }
 
 Pin.prototype.write = function(value) {

test/tessel.js

@@ -72,6 +72,7 @@ exports["Tessel Constructor"] = {
   setUp: function(done) {
     this.sandbox = sinon.sandbox.create();
     this.hostname = this.sandbox.stub(os, "hostname", _ => "NOT A REAL TESSEL");
+    this.output = this.sandbox.stub(T2.Pin.prototype, "output");
     this.tessel = new Tessel();
     done();
   },
@@ -121,6 +122,61 @@ exports["Tessel Constructor"] = {
     test.equal(this.tessel.analogPins.length, 10);
     test.done();
   },
+
+  initialMode: function(test) {
+    test.expect(20);
+
+    test.equal(this.tessel.pins[0].mode, 1);
+    test.equal(this.tessel.pins[1].mode, 1);
+    test.equal(this.tessel.pins[2].mode, 1);
+    test.equal(this.tessel.pins[3].mode, 1);
+    test.equal(this.tessel.pins[4].mode, 1);
+    test.equal(this.tessel.pins[5].mode, 1);
+    test.equal(this.tessel.pins[6].mode, 1);
+    test.equal(this.tessel.pins[7].mode, 1);
+    test.equal(this.tessel.pins[8].mode, 1);
+    test.equal(this.tessel.pins[9].mode, 1);
+    test.equal(this.tessel.pins[10].mode, 1);
+    test.equal(this.tessel.pins[11].mode, 1);
+    test.equal(this.tessel.pins[12].mode, 1);
+    test.equal(this.tessel.pins[13].mode, 1);
+    test.equal(this.tessel.pins[14].mode, 1);
+    test.equal(this.tessel.pins[15].mode, 1);
+    test.equal(this.tessel.pins[16].mode, undefined);
+    test.equal(this.tessel.pins[17].mode, undefined);
+    test.equal(this.tessel.pins[18].mode, undefined);
+    test.equal(this.tessel.pins[19].mode, undefined);
+
+    test.done();
+  },
+
+  initialValue: function(test) {
+    test.expect(20);
+
+    test.equal(this.tessel.pins[0].value, 0);
+    test.equal(this.tessel.pins[1].value, 0);
+    test.equal(this.tessel.pins[2].value, 0);
+    test.equal(this.tessel.pins[3].value, 0);
+    test.equal(this.tessel.pins[4].value, 0);
+    test.equal(this.tessel.pins[5].value, 0);
+    test.equal(this.tessel.pins[6].value, 0);
+    test.equal(this.tessel.pins[7].value, 0);
+    test.equal(this.tessel.pins[8].value, 0);
+    test.equal(this.tessel.pins[9].value, 0);
+    test.equal(this.tessel.pins[10].value, 0);
+    test.equal(this.tessel.pins[11].value, 0);
+    test.equal(this.tessel.pins[12].value, 0);
+    test.equal(this.tessel.pins[13].value, 0);
+    test.equal(this.tessel.pins[14].value, 0);
+    test.equal(this.tessel.pins[15].value, 0);
+    test.equal(this.tessel.pins[16].value, undefined);
+    test.equal(this.tessel.pins[17].value, undefined);
+    test.equal(this.tessel.pins[18].value, undefined);
+    test.equal(this.tessel.pins[19].value, undefined);
+
+    test.done();
+  },
+
 };