Campbell Scientific CR800 and CR850 Measurement and Control Systems - Manual (Page 460)

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()