Campbell-scientific CR800 and CR850 Measurement and Control Systems Uživatelský manuál stáhnout pdf (Strana 460)

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101

Appendix A. CRBasic Programming Instructions

460



WaitDigTrig

Triggersameasurementscanfromanexternaldigitaltrigger.

Syntax

WaitDigTrig(ControlPort, Option)

While/Wend

Executeaseriesofstatementsinaloopaslongasagivenconditionistrue.

Syntax

While [condition]

[StatementBlock]

Wend

A.4.2 Advanced Program Controls

Data/Read/Restore

DefinesalistofFloatconstantstoberead(usingRead)intoavariablearraylater

intheprogram.

Syntax

Data [list of constants]

Read [VarExpr]

Restore

DataLong/Read/Restore

DefinesalistofLongconstantstoberead(usingRead)intoavariablearraylater

intheprogram.

Syntax

DataLong [list of constants]

Read [VarExpr]

Restore

Read

ReadsconstantsfromthelistdefinedbyDataorDataLongintoavariablearray.

Syntax

Read [VarExpr]

Restore

ResetsthelocationoftheReadpointerbacktothefirstvalueinthelistdefined

byDataorDataLong.

Syntax

Restore

SemaphoreGet

Acquiressemaphore

(p.442)1‐3toavoidresourceconflicts.

Syntax

SemaphoreGet()

SemaphoreRelease

Releasessemaphore

(p.442)previouslyacquiredwithSemaphoreGet().

Syntax

SemaphoreRelease()

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