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NI-DAQmx Base 3.x C Function Reference Help
Conventions
Related Documentation
Key Concepts
Clocks
Terminal Names
Task Configuration/Control
DAQmxBaseClearTask
DAQmxBaseCreateTask
DAQmxBaseIsTaskDone
DAQmxBaseLoadTask
DAQmxBaseResetDevice
DAQmxBaseStartTask
DAQmxBaseStopTask
Channel Configuration/Creation
Create Analog Input Channels
DAQmxBaseCreateAIThrmcplChan
DAQmxBaseCreateAIVoltageChan
Create Analog Output Channel
DAQmxBaseCreateAOVoltageChan
Create Digital Input Channels
DAQmxBaseCreateDIChan
Create Digital Output Channels
DAQmxBaseCreateDOChan
Create Counter Input Channels
DAQmxBaseCreateCIPeriodChan
DAQmxBaseCreateCICountEdgesChan
DAQmxBaseCreateCIPulseWidthChan
Position
DAQmxBaseCreateCILinEncoderChan
DAQmxBaseCreateCIAngEncoderChan
Create Counter Output Channels
DAQmxBaseCreateCOPulseChanFreq
Timing
DAQmxBaseCfgSampClkTiming
DAQmxBaseCfgImplicitTiming
Triggering
Start Trigger
DAQmxBaseDisableStartTrig
DAQmxBaseCfgDigEdgeStartTrig
DAQmxBaseCfgAnlgEdgeStartTrig
Reference Trigger
DAQmxBaseCfgAnlgEdgeRefTrig
DAQmxBaseCfgDigEdgeRefTrig
DAQmxBaseDisableRefTrig
Read Functions
DAQmxBaseReadAnalogF64
DAQmxBaseReadBinaryI16
DAQmxBaseReadCounterF64
DAQmxBaseReadCounterScalarF64
DAQmxBaseReadCounterScalarU32
DAQmxBaseReadCounterU32
DAQmxBaseReadDigitalScalarU32
DAQmxBaseReadDigitalU32
DAQmxBaseReadDigitalU8
Write Functions
DAQmxBaseWriteAnalogF64
DAQmxBaseWriteDigitalU8
DAQmxBaseWriteDigitalU32
DAQmxBaseWriteDigitalScalarU32
Export HW Signals
DAQmxBaseExportSignal
Internal Buffer Configuration
DAQmxBaseCfgInputBuffer
Error Handling
DAQmxBaseGetExtendedErrorInfo
Glossary
Important Information
Warranty
Copyright
Trademarks
Patents
WARNING REGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS
Environmental Management
Technical Support and Professional Services

DAQmxBaseIsTaskDone

int32 DAQmxBaseIsTaskDone (TaskHandle taskHandle, bool32 *isTaskDone);

Purpose

Queries whether the task completed execution. Use this function to ensure that the specified operation is complete before you stop the task.

Parameters

Input
Name Type Description
taskHandle TaskHandle The task used in this function.
Output
Name Type Description
isTaskDone bool32 * Indicates whether the measurement or generated completed.

Return Value

Name Type Description
status int32 The error code returned by the function in the event of an error or warning. A value of 0 indicates success. A positive value indicates a warning. A negative value indicates an error.
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