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5-15
IM MX190-01E
Functions for the MX100 (Visual C/Visual Basic)
5
getChDataMX
Syntax
int getChDataMX(DAQMX daqmx, MXDataNo * pMXDataNo, MXChInfo *
pMXChInfo, MXDataInfo * pMXDataInfo, int * pFlag);
Declaration
Public Declare Function getChDataMX Lib "DAQMX"(ByVal daqmx As
Long, ByRef pMXDataNo As MXDataNo, ByRef pMXChInfo As
MXChInfo, ByRef pMXDataInfo As MXDataInfo, ByRef pFlag As
Long) As Long
Parameters
daqmx Specify the device descriptor.
pMXDataNo Specify the destination where the data number is to be returned.
pMXChInfo Specify the destination where the channel information data is to
be returned using the MXChInfo structure.
pMXDataInfo Specify the destination where the measured data is to be returned
using the MXDataInfo structure.
pFlag Specify the destination where the flag is to be returned.
Description
After declaring with a data retrieval start function (talkChDataMX, talkFIFODataMX,
etc.), retrieve time information data with the getTimeDataMX function and then
retrieve the measured data, data by data.
• When the last set of data is retrieved, the flag status is set.
• Do not perform communications using other functions until the data retrieval is
completed.Other functions may not operate properly.
Return value
Returns an error number.
Error:
Not descriptor No device descriptor.
Reference
CDAQMX::getChData
CDAQMXChInfo::getMXChInfo
CDAQMXDataInfo::getMXDataInfo
5.1 Details of Functions - MX100 (Visual C/Visual Basic) -