Remove bogus null arguments from emitters. Fixes gh-561

docs/accelerometer-pan-tilt.md

@@ -44,7 +44,7 @@ board.on("ready", function() {
   // Center all servos
   (five.Servos()).center();
 
-  accel.on("acceleration", function(err, timestamp) {
+  accel.on("acceleration", function() {
     // console.log( "acceleration", this.axis );
 
     tilt.to(Math.abs(Math.ceil(170 * this.pitch.toFixed(2)) - 180));

docs/classic-controller.md

@@ -52,15 +52,15 @@ board.on("ready", function() {
   // Fired when the joystick detects a change in
   // axis position.
   //
-  nunchuk.joystick.left.on("change", function(err, event) {
+  nunchuk.joystick.left.on("change", function(event) {
     console.log(
       "Left joystick " + event.axis,
       event.target[event.axis],
       event.axis, event.direction
     );
   });
 
-  nunchuk.joystick.right.on("change", function(err, event) {
+  nunchuk.joystick.right.on("change", function(event) {
     console.log(
       "Right joystick " + event.axis,
       event.target[event.axis],
@@ -92,7 +92,7 @@ board.on("ready", function() {
 
   ["down", "up", "hold"].forEach(function(type) {
 
-    nunchuk.on(type, function(err, event) {
+    nunchuk.on(type, function(event) {
       console.log(
         event.target.which + " is " + type,
 

docs/ir-motion.md

@@ -22,19 +22,19 @@ board.on("ready", function() {
 
   // "calibrated" occurs once, at the beginning of a session,
   motion.on("calibrated", function() {
-    console.log("calibrated");
+    console.log("calibrated", Date.now());
   });
 
   // "motionstart" events are fired when the "calibrated"
   // proximal area is disrupted, generally by some form of movement
   motion.on("motionstart", function() {
-    console.log("motionstart");
+    console.log("motionstart", Date.now());
   });
 
   // "motionend" events are fired following a "motionstart" event
   // when no movement has occurred in X ms
   motion.on("motionend", function() {
-    console.log("motionend");
+    console.log("motionend", Date.now());
   });
 });
 

docs/ir-reflect-array.md

@@ -23,15 +23,15 @@ five.Board().on("ready", function() {
 
   // calibrate for two seconds
   eyes.calibrateUntil(function() { return !calibrating; });
-  setTimeout(function() { calibrating = false; }, 2000); 
+  setTimeout(function() { calibrating = false; }, 2000);
 
   eyes.enable();
 
   // "line"
   //
   // Fires continuously once calibrated
   //
-  eyes.on("line", function(err, line) {
+  eyes.on("line", function(line) {
     console.log("line: ", line);
   });
 });

docs/ir-reflect.md

@@ -33,7 +33,7 @@ five.Board().on("ready", function() {
   //
   // Fires continuously, every 66ms.
   //
-  ir.on("data", function(err, timestamp) {
+  ir.on("data", function() {
     console.log("data");
   });
 });

docs/joystick-motor-led.md

@@ -51,7 +51,7 @@ board.on("ready", function() {
 
   // Pushing the joystick to up position should start the motor,
   // releasing it will turn the motor off.
-  joystick.on("axismove", function(err, timestamp) {
+  joystick.on("axismove", function() {
 
     if (!motor.isOn && this.axis.y > 0.51) {
       motor.start();

docs/joystick.md

@@ -27,7 +27,7 @@ board.on("ready", function() {
   });
 
   // Joystick Event API
-  joystick.on("axismove", function(err, timestamp) {
+  joystick.on("axismove", function() {
 
     // Axis data is available on:
     // this.axis

docs/motor-3-pin.md

@@ -23,7 +23,7 @@ board.on("ready", function() {
         pwm: 9
         dir: 8
         cdir: 11
-        
+
       Motor B
         pwm: 10
         dir: 12
@@ -34,7 +34,7 @@ board.on("ready", function() {
         pwm: 6
         dir: 5
         cdir: 7
-        
+
       Motor B
         pwm: 4
         dir: 3
@@ -58,29 +58,29 @@ board.on("ready", function() {
     motor: motor
   });
 
-  motor.on("start", function(err, timestamp) {
-    console.log("start", timestamp);
+  motor.on("start", function() {
+    console.log("start", Date.now());
   });
 
-  motor.on("stop", function(err, timestamp) {
-    console.log("automated stop on timer", timestamp);
+  motor.on("stop", function() {
+    console.log("automated stop on timer", Date.now());
   });
 
-  motor.on("brake", function(err, timestamp) {
-    console.log("automated brake on timer", timestamp);
+  motor.on("brake", function() {
+    console.log("automated brake on timer", Date.now());
   });
 
-  motor.on("forward", function(err, timestamp) {
-    console.log("forward", timestamp);
+  motor.on("forward", function() {
+    console.log("forward", Date.now());
 
     // demonstrate switching to reverse after 5 seconds
     board.wait(5000, function() {
       motor.reverse(255);
     });
   });
 
-  motor.on("reverse", function(err, timestamp) {
-    console.log("reverse", timestamp);
+  motor.on("reverse", function() {
+    console.log("reverse", Date.now());
 
     // demonstrate braking after 5 seconds
     board.wait(5000, function() {

docs/motor-PCA9685.md

@@ -40,8 +40,8 @@ board.on("ready", function() {
   // Motor Event API
 
   // "start" events fire when the motor is started.
-  motor.on("start", function(err, timestamp) {
-    console.log("start", timestamp);
+  motor.on("start", function() {
+    console.log("start", Date.now());
 
     // Demonstrate motor stop in 2 seconds
     board.wait(2000, function() {
@@ -50,8 +50,8 @@ board.on("ready", function() {
   });
 
   // "stop" events fire when the motor is started.
-  motor.on("stop", function(err, timestamp) {
-    console.log("stop", timestamp);
+  motor.on("stop", function() {
+    console.log("stop", Date.now());
   });
 
   // Motor API

docs/motor-brake.md

@@ -43,29 +43,29 @@ board.on("ready", function() {
     motor: motor
   });
 
-  motor.on("start", function(err, timestamp) {
-    console.log("start", timestamp);
+  motor.on("start", function() {
+    console.log("start", Date.now());
   });
 
-  motor.on("stop", function(err, timestamp) {
-    console.log("automated stop on timer", timestamp);
+  motor.on("stop", function() {
+    console.log("automated stop on timer", Date.now());
   });
 
-  motor.on("brake", function(err, timestamp) {
-    console.log("automated brake on timer", timestamp);
+  motor.on("brake", function() {
+    console.log("automated brake on timer", Date.now());
   });
 
-  motor.on("forward", function(err, timestamp) {
-    console.log("forward", timestamp);
+  motor.on("forward", function() {
+    console.log("forward", Date.now());
 
     // demonstrate switching to reverse after 5 seconds
     board.wait(5000, function() {
       motor.reverse(150);
     });
   });
 
-  motor.on("reverse", function(err, timestamp) {
-    console.log("reverse", timestamp);
+  motor.on("reverse", function() {
+    console.log("reverse", Date.now());
 
     // demonstrate stopping after 5 seconds
     board.wait(5000, function() {

docs/motor-current.md

@@ -56,29 +56,29 @@ board.on("ready", function() {
     console.log("Motor A: " + this.value.toFixed(2) + "mA");
   });
 
-  motor.on("start", function(err, timestamp) {
-    console.log("start", timestamp);
+  motor.on("start", function() {
+    console.log("start", Date.now());
   });
 
-  motor.on("stop", function(err, timestamp) {
-    console.log("automated stop on timer", timestamp);
+  motor.on("stop", function() {
+    console.log("automated stop on timer", Date.now());
   });
 
-  motor.on("brake", function(err, timestamp) {
-    console.log("automated brake on timer", timestamp);
+  motor.on("brake", function() {
+    console.log("automated brake on timer", Date.now());
   });
 
-  motor.on("forward", function(err, timestamp) {
-    console.log("forward", timestamp);
+  motor.on("forward", function() {
+    console.log("forward", Date.now());
 
     // demonstrate switching to reverse after 5 seconds
     board.wait(5000, function() {
       motor.reverse(150);
     });
   });
 
-  motor.on("reverse", function(err, timestamp) {
-    console.log("reverse", timestamp);
+  motor.on("reverse", function() {
+    console.log("reverse", Date.now());
 
     // demonstrate stopping after 5 seconds
     board.wait(5000, function() {

docs/motor-directional.md

@@ -74,25 +74,25 @@ board.on("ready", function() {
     motor: motor
   });
 
-  motor.on("start", function(err, timestamp) {
-    console.log("start", timestamp);
+  motor.on("start", function() {
+    console.log("start", Date.now());
   });
 
-  motor.on("stop", function(err, timestamp) {
-    console.log("automated stop on timer", timestamp);
+  motor.on("stop", function() {
+    console.log("automated stop on timer", Date.now());
   });
 
-  motor.on("forward", function(err, timestamp) {
-    console.log("forward", timestamp);
+  motor.on("forward", function() {
+    console.log("forward", Date.now());
 
     // demonstrate switching to reverse after 5 seconds
     board.wait(5000, function() {
       motor.reverse(50);
     });
   });
 
-  motor.on("reverse", function(err, timestamp) {
-    console.log("reverse", timestamp);
+  motor.on("reverse", function() {
+    console.log("reverse", Date.now());
 
     // demonstrate stopping after 5 seconds
     board.wait(5000, function() {

docs/motor-hbridge.md

@@ -47,25 +47,25 @@ board.on("ready", function() {
     motor: motor
   });
 
-  motor.on("start", function(err, timestamp) {
-    console.log("start", timestamp);
+  motor.on("start", function() {
+    console.log("start", Date.now());
   });
 
-  motor.on("stop", function(err, timestamp) {
-    console.log("automated stop on timer", timestamp);
+  motor.on("stop", function() {
+    console.log("automated stop on timer", Date.now());
   });
 
-  motor.on("forward", function(err, timestamp) {
-    console.log("forward", timestamp);
+  motor.on("forward", function() {
+    console.log("forward", Date.now());
 
     // demonstrate switching to reverse after 5 seconds
     board.wait(5000, function() {
       motor.reverse(50);
     });
   });
 
-  motor.on("reverse", function(err, timestamp) {
-    console.log("reverse", timestamp);
+  motor.on("reverse", function() {
+    console.log("reverse", Date.now());
 
     // demonstrate stopping after 5 seconds
     board.wait(5000, function() {

docs/motor.md

@@ -33,8 +33,8 @@ board.on("ready", function() {
   // Motor Event API
 
   // "start" events fire when the motor is started.
-  motor.on("start", function(err, timestamp) {
-    console.log("start", timestamp);
+  motor.on("start", function() {
+    console.log("start", Date.now());
 
     // Demonstrate motor stop in 2 seconds
     board.wait(2000, function() {
@@ -43,8 +43,8 @@ board.on("ready", function() {
   });
 
   // "stop" events fire when the motor is started.
-  motor.on("stop", function(err, timestamp) {
-    console.log("stop", timestamp);
+  motor.on("stop", function() {
+    console.log("stop", Date.now());
   });
 
   // Motor API

docs/nunchuk.md

@@ -49,7 +49,7 @@ board.on("ready", function() {
   // Fired when the joystick detects a change in
   // axis position.
   //
-  nunchuk.joystick.on("change", function(err, event) {
+  nunchuk.joystick.on("change", function(event) {
     console.log(
       "joystick " + event.axis,
       event.target[event.axis],
@@ -62,7 +62,7 @@ board.on("ready", function() {
   // Fired when the accelerometer detects a change in
   // axis position.
   //
-  nunchuk.accelerometer.on("change", function(err, event) {
+  nunchuk.accelerometer.on("change", function(event) {
     console.log(
       "accelerometer " + event.axis,
       event.target[event.axis],
@@ -94,7 +94,7 @@ board.on("ready", function() {
 
   ["down", "up", "hold"].forEach(function(type) {
 
-    nunchuk.on(type, function(err, event) {
+    nunchuk.on(type, function(event) {
       console.log(
         event.target.which + " is " + type,
 

docs/ping.md

@@ -32,7 +32,6 @@ board.on("ready", function() {
   // Calculated distance to object in centimeters
   //
 
-
   ping.on("change", function() {
     console.log("Object is " + this.in + " inches away");
   });

docs/sonar-scan.md

@@ -124,7 +124,7 @@ board.on("ready", function() {
   // [2] Sonar "change" events are emitted when the value of a
   // distance reading has changed since the previous reading
   //
-  sonar.on("change", function(err) {
+  sonar.on("change", function() {
     var turnTo;
 
     // Detect collision