Teledyne-lecroy SATracer 3G Verification Script Engine manual Uživatelský manuál stáhnout pdf (Strana 40)

LeCroy Corporation Verification Script Engine Reference Manual Version 1.01

9 Timer Functions

This group of functions covers VSE capability to work with timers –-- internal routines that

repeatedly measures a timing intervals between different events.

9.1 VSE time object

A VSE time object is a special object that presents time intervals in verification scripts.

From point of view of the CSL, the verification script time object is a “list”-object of two elements.

( Please see the CSL Manual for more details about CSL types )

[seconds, nanoseconds]

NOTE: The best way to construct VSE time object is to use Time() function (see below ).

9.2 SetTimer()

Starts timing calculation from the event where this function was called.

Format : SendTimer( timer_id = 0)

Parameters:

timer_id – a unique timer identifier.

Example:

SetTimer(); # - start timing for timer with id = 0;

SetTimer(23); # - start timing for timer with id = 23;

Remark :

If this function is called a second time for the same timer id, it resets the timer and starts timing

calculations again from the point where it was called.

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Teledyne-lecroy SATracer 3G Verification Script Engine manual Uživatelský manuál Strana 40