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latch

Save value of an expression

Syntax

Description

example

latch(x) saves the value of x when the test step is entered and returns that value of x. The latch(x) statement reevaluates the next time the step is entered.

Examples

expand all

Save the value of the torque in the variable latch_val.

latch_val = latch(torque)

Tips

  • latch signal generation statements can be used in the Test Sequence and Test Assessment blocks.

  • latch signal generation statements cannot be used in Stateflow® charts.

Version History

Introduced in R2015a