Measurement Computing Data Acquisition Systems rev.10.4 - Manual (Page 83)

daqAdcSetDiskFile
Also See: daqAdcTransferGetStat,
daqAdcTransferSetBuffer,
daqAdcTransferStart, daqAdcTransferStop
Format
daqAdcSetDiskFile(handle, filename, openMode, preWrite)
Purpose
daqAdcSetDiskFile sets a destination file for ADC data transfers. ADC direct-to-disk data transfers will
be directed to the specified disk file.
File writing only takes place on a
daqAdcTransferGetStat
call.
Parameter Summary
Parameter Type Description
handle DaqHandleT Handle to the device which will perform direct-to-disk ADC
acquisition
filename LPSTR String representing the path and name of the file where the raw
ADC acquisition data will be placed
openMode DaqAdcOpenMode Specifies how to open the file for writing
preWrite DWORD Specifies the amount to pre-write (in bytes) the file
Parameter Values
handle: obtained from the daqOpen command
filename: string of characters representing a file name—no effective range of values applies
openMode: see table below
preWrite: valid values range from 0 to 4,294,967,295; however, disk memory limitations may apply
Parameter Type Definitions
openMode-(DaqAdcOpenMode)
Definition Description
DaomCreateFile Creates a new file for incoming ADC transfer data.
DaomWriteFile Writes incoming ADC transfer data over an existing file.
DaomAppendFile Appends incoming ADC transfer data to an existing file.
Returns
DerrNoError No error
Programmer’s Manual 908594 Daq API Command Reference 4.2-27