26 _7300_get_sample, Description, Syntax – ADLINK PCI-7300A User Manual

Page 102: Argument, Return code, Description @ syntax @ argument @ return code

C/C++ Libraries

5.26 _7300_Get_Sample

@ Description

For the language without pointer support such as Visual Basic,
programmer can use this function to access the index-th data in
input DMA buffer. This function is only available in Windows 95
version.

@ Syntax

Visual C/C++ (Windows 95)

int W_7300_Get_Sample (U32 linearAddr, U32 index,

U32 *data_value, U32 portWidth)

Visual Basic (Windows 95)

W_7300_Get_Sample (ByVal linearAddr As Long,

ByVal index As Long, data_value As Long,
ByVal portWidth As Long) As Long

@ Argument

linearAddr:The linear address of the allocated DMA memory.

index: The index of the sample. The first sample is with index 0.

dataValue: The sample retrieved. The width of retrieved data is

different with the different portWidth value.

portWidth: The port width of the digital input port. The possible

values are 8, 16, or 32.

@ Return Code

NoError