Error executing 'duration' operator in stateflow

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Dheemanth D
Dheemanth D 2018-6-4
编辑： Amjad Elshenawy 2019-9-23
Hi,
I am trying to use a 'duration' logic operator in stateflow and unable to execute. I keep getting the following error:
The 'duration' class does not support code generation.
  1 个评论
Walter Roberson
Walter Roberson 2018-6-4
I speculate that there is confusion between the duration operator of Stateflow and the duration datatype that is associated with datetime handling. I wonder how the code is intended to tell the difference?
Is it possible that you are applying duration to a number instead of to a logical result?

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回答（1 个）

Amjad Elshenawy
Amjad Elshenawy 2019-9-23
编辑：Amjad Elshenawy 2019-9-23
Hello Dheemanth
I guess you was using the "duration" operator insude a truth table.
If my assumption is correct, then you shall use the duration oprator inside statflow but outside the truth table.
[Cf. https://www.mathworks.com/help/stateflow/ug/simplify-stateflow-chart-using-the-duration-operator.html]
You shall assign the output of the duration operator to a local variable and then pass this local variable to the truth table. The truth table shall then reside inside the statechart.

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