Advantech PCI-1710 Betriebsanweisung PDF herunterladen (Seite 99)

4.2.9 AllocDMABuf

Allocates buffer for DMA data acquisition

Input:

Data type Parameter Description

DevHandle The handler id of the device specified by DevNum as

assigned by the LabVIEW program.

Cyclic Cyclic mode: cyclic (1), non cyclic (0)

ReqBufSize Specifies the size of requested DMA buffer

error in A cluster containing error information, such as the

status, code, and source elements that is passed from

a previous linked VI.

Output:

Data type

Parameter Description

DevHandle The handler id of the device specified by DevNum as

assigned by the LabVIEW program.

ActBufSize Returns the size of actual allocated DMA buffer

pBuf A data that stores the allocated memory.

error out A cluster containing error information. If error in

indicated an error, the status, code, and source

elements of error out have the same values as the

corresponding elements of error in

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Advantech PCI-1710 Betriebsanweisung Seite 99