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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
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<head><title>Scope</title>
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>
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<h3 class="sectionHead"><span class="titlemark">6.1 </span> <a
id="x20-340006.1"></a>Scope</h3>
<!--l. 5--><p class="noindent" >This tutorial describes how to use the <span
class="ecti-1000">TimingService</span>, how to combine a generated
model with manual code and how to model a hierarchical state machine. The idea of
the tutorial is to switch a LED on and off. The behavior of the LED should be:
blinking in a one second interval for 5 seconds, stop blinking for 5 seconds,
blinking, stop,... For this exercise we will use a little GUI class that will be
used in more sophisticated tutorials too. The GUI simulates a pedestrian
traffic crossing. For now, just a simple LED simulation will be used from the
GUI.
<!--l. 8--><p class="noindent" >After the exercise is created you must copy the GUI to your src directory (see
below).
<!--l. 10--><p class="noindent" >The package contains four java classes which implements a small window with a
3-light traffic light which simulates the signals for the car traffic and a 2-light traffic
light which simulates the pedestrian signals.
<!--l. 12--><p class="noindent" >The GUI looks like this:
<!--l. 14--><p class="noindent" ><img
src="images/020-Blinky08.png" alt="PIC"
>
<!--l. 17--><p class="noindent" >Within this tutorial we will just toggle the yellow light.
<!--l. 19--><p class="noindent" >You will perform the following steps:
<!--l. 21--><p class="noindent" >
<ol class="enumerate1" >
<li
class="enumerate" id="x20-34002x1">create a new model from scratch
</li>
<li
class="enumerate" id="x20-34004x2">define a protocol
</li>
<li
class="enumerate" id="x20-34006x3">create an actor structure
</li>
<li
class="enumerate" id="x20-34008x4">create a hierarchical state machine
</li>
<li
class="enumerate" id="x20-34010x5">use the predefined <span
class="ecti-1000">TimingService</span>
</li>
<li
class="enumerate" id="x20-34012x6">combine manual code with generated code
</li>
<li
class="enumerate" id="x20-34014x7">build and run the model
</li>
<li
class="enumerate" id="x20-34016x8">open the message sequence chart</li></ol>
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