Update introduction.ipynb to use "nao" instead of "w", and to use the syntactic sugar for service calls

Author: Emile Kroeger

content/introduction.ipynb

@@ -40,8 +40,8 @@
    },
    "outputs": [],
    "source": [
-    "w = ipynao.NaoRobotWidget()\n",
-    "w"
+    "nao = ipynao.NaoRobotWidget()\n",
+    "nao"
    ]
   },
   {
@@ -60,7 +60,7 @@
    },
    "outputs": [],
    "source": [
-    "w.connect(\"192.168.1.115\", port=\"80\")"
+    "nao.connect(\"192.168.1.115\", port=\"80\")"
    ]
   },
   {
@@ -79,7 +79,7 @@
    },
    "outputs": [],
    "source": [
-    "w"
+    "nao"
    ]
   },
   {
@@ -90,7 +90,7 @@
    },
    "outputs": [],
    "source": [
-    "tts = w.service(\"ALTextToSpeech\")"
+    "tts = nao.ALTextToSpeech"
    ]
   },
   {
@@ -112,7 +112,7 @@
    },
    "outputs": [],
    "source": [
-    "eyes = w.service(\"ALLeds\")"
+    "leds = nao.service(\"ALLeds\")"
    ]
   },
   {
@@ -123,16 +123,15 @@
    },
    "outputs": [],
    "source": [
-    "eyes.rasta(3)"
+    "leds.rasta(3)"
    ]
   },
   {
    "attachments": {},
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### Retrieve data from the robot\n",
-    "Prefix method names with `async_` to be able to wait for returns"
+    "### Retrieve data from the robot\n"
    ]
   },
   {
@@ -143,7 +142,7 @@
    },
    "outputs": [],
    "source": [
-    "w"
+    "nao"
    ]
   },
   {
@@ -154,7 +153,7 @@
    },
    "outputs": [],
    "source": [
-    "motion = w.service(\"ALMotion\")"
+    "motion = nao.ALMotion"
    ]
   },
   {
@@ -209,7 +208,7 @@
    },
    "outputs": [],
    "source": [
-    "w"
+    "nao"
    ]
   },
   {
@@ -220,7 +219,7 @@
    },
    "outputs": [],
    "source": [
-    "posture = w.service(\"ALRobotPosture\")"
+    "posture = nao.service(\"ALRobotPosture\")"
    ]
   },
   {
@@ -263,9 +262,9 @@
    },
    "outputs": [],
    "source": [
-    "eyes.fade(\"AllLedsBlue\", 1.0, 2)\n",
-    "eyes.fade(\"AllLedsRed\", 1.0, 2)\n",
-    "eyes.fade(\"AllLedsGreen\", 0, 2)"
+    "leds.fade(\"AllLedsBlue\", 1.0, 2)\n",
+    "leds.fade(\"AllLedsRed\", 1.0, 2)\n",
+    "leds.fade(\"AllLedsGreen\", 0, 2)"
    ]
   },
   {
@@ -284,7 +283,7 @@
    },
    "outputs": [],
    "source": [
-    "w"
+    "nao"
    ]
   },
   {
@@ -295,7 +294,7 @@
    },
    "outputs": [],
    "source": [
-    "vid = w.service(\"ALVideoDevice\")"
+    "vid = nao.ALVideoDevice"
    ]
   },
   {
@@ -402,7 +401,7 @@
    },
    "outputs": [],
    "source": [
-    "w"
+    "nao"
    ]
   },
   {
@@ -413,7 +412,7 @@
    },
    "outputs": [],
    "source": [
-    "animate = w.service(\"ALAnimationPlayer\")"
+    "animate = nao.service(\"ALAnimationPlayer\")"
    ]
   },
   {
@@ -457,8 +456,8 @@
    },
    "outputs": [],
    "source": [
-    "w.disconnect()\n",
-    "w"
+    "nao.disconnect()\n",
+    "nao"
    ]
   },
   {
@@ -470,7 +469,7 @@
    "outputs": [],
    "source": [
     "out = Output()\n",
-    "res = w.service(\"ALLeds\", out).rasta(\"gibberish\")\n",
+    "res = nao.service(\"ALLeds\", out).rasta(\"gibberish\")\n",
     "out"
    ]
   },