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rt_wait (MathScript RT Module Function)

LabVIEW 2012 MathScript RT Module Help

Edition Date: June 2012

Part Number: 373123C-01

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Owning Class: rt

Requires: Real-Time Module and MathScript RT Module

Syntax

rt_wait(count)

rt_wait(count, unit)

t = rt_wait(count)

t = rt_wait(count, unit)

Description

Delays execution of the thread in which the current MathScript Node runs. The thread sleeps for the count time you specify, then this function returns the value of a free-running counter and the thread continues execution. Both the t output and the free-running counter are 32-bit unsigned integers.

Details

Examples

Inputs

Name Description
count Specifies the amount of time to wait. count is a 32-bit unsigned integer.
unit Specifies the unit to use for the internal counter and the t output of this function. unit is a string that accepts the following values.

'ticks' Specifies the units used by the RT OS clock, nanoseconds.
'uSec' Specifies microseconds.
'mSec' Specifies milliseconds.
The default is uSec.

Outputs

Name Description
t Returns the value of the free-running counter in the unit you specify.

Details

This function is equivalent to the Wait Express VI.

The following table lists the support characteristics of this function.

Supported in the LabVIEW Run-Time Engine Yes
Supported on RT targets Yes
Suitable for bounded execution times on RT Not characterized

Examples

A = 1;
X = 1;
while X<10
     A = A+1;
     X = X+1;
     rt_wait(100, 'mSec');
end

Related Topics

rt_tickcount
timerstart
timerstop
rt_waitmultiple


 

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