block SampleTrigger "Generate sample trigger signal"
parameter SI.Time period(final min = Modelica.Constants.small, start = 0.01) "Sample period"
annotation (Dialog(groupImage = "modelica://Modelica/Resources/Images/Blocks/Sources/SampleTrigger.png"));
parameter SI.Time startTime = 0 "Time instant of first sample trigger";
extends Interfaces.partialBooleanSource;
equation
y = sample(startTime, period);
annotation (
Icon(
coordinateSystem(
preserveAspectRatio = true,
extent = {
{-100, -100},
{100, 100}}),
graphics = {
Line(points = {
{-60, -70},
{-60, 70}}),
Line(points = {
{-20, -70},
{-20, 70}}),
Line(points = {
{20, -70},
{20, 70}}),
Line(points = {
{60, -70},
{60, 70}}),
Text(
extent = {
{-150, -140},
{150, -110}},
textString = "%period")}),
Documentation(info = "<html>\n<p>\nThe Boolean output y is a trigger signal where the output y is only <strong>true</strong>\nat sample times (defined by parameter <strong>period</strong>) and is otherwise\n<strong>false</strong>.\n</p>\n\n<p>\n<img src=\"modelica://Modelica/Resources/Images/Blocks/Sources/SampleTrigger.png\"\n alt=\"SampleTrigger.png\">\n</p>\n</html>"));
end SampleTrigger;