| 1 | model TDMclock2 "Digital clocked multiplexer index generator"
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| 2 | import SI = Modelica.SIunits;
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| 3 | parameter Integer nr_channels(final min=1) = 6;
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| 4 | parameter SI.Time period(
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| 5 | final min=Modelica.Constants.small)=0.09 "Time for one period";
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| 6 | Modelica.Blocks.Interfaces.IntegerOutput y( min=1,max=nr_channels, start = 1) "Connector of Digital output signal"
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| 7 | annotation (Placement(transformation(extent={{90,-10},{110,
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| 8 | 10}})));
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| 9 | discrete Integer increment;
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| 10 | Clock cSample=Clock(period);
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| 11 | equation
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| 12 | increment = sample(1,Clock(period));
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| 13 | y = if (time == 0 or previous(y)==nr_channels) then 1 else previous(y) + increment;
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| 14 | annotation (Documentation(info="<html>
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| 15 | <p>
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| 16 | The clock source generates an incrementing index number
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| 17 | The number of periods is unlimited. The first pulse starts at startTime.
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| 18 | </p>
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| 19 | <p> The clock source is a special but often used variant of the pulse source.
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| 20 | </p>
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| 21 | </html>", revisions="<html>
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| 22 | <dl>
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| 23 | Based on 'Clock' library module by Andre Schneider
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| 24 | <dt><em>June 9, 2020</em></dt>
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| 25 | <dd>by Paul van der Hulst.</dd>
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| 26 | </dl>
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| 27 | </html>"),
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| 28 | Icon(coordinateSystem(preserveAspectRatio=true, extent={{-100,-100},{
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| 29 | 100,100}}), graphics={
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| 30 | Rectangle(
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| 31 | extent={{-50,100},{50,-100}},
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| 32 | lineThickness=0.5,
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| 33 | fillColor={213,255,170},
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| 34 | fillPattern=FillPattern.Solid),
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| 35 | Text(
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| 36 | extent={{152,-160},{-148,-100}},
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| 37 | lineColor={0,0,255},
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| 38 | textString="%name"),
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| 39 | Line(points={{50,0},{90,0}}, color={127,0,127}),
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| 40 | Line(points={{-36,80},{-30,80},{-30,40},{-18,40},{-18,50},{-6,50},{
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| 41 | -6,60},{6,60},{6,70},{18,70},{18,80},{30,80},{30,40},{36,40}})}));
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| 42 | end TDMclock2;
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