28 _7300_getunderrunstatus – ADLINK PCIe-7300A User Manual

Page 107

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C/C++ Libraries

97

5.28 _7300_GetUnderrunStatus

@ Description

When you use _7300_DO_DMA_Start to output data, the output
data is read from the FIFO on the cPCI/PCI/PCIe-7300A. If the
FIFO becomes empty and next data is read from the FIFO, under-
run situation occurs. Using this function to check underrun status.

@ Syntax

Visual C/C++ (Windows 95)

int W_7300_GetUnderrunStatus (int card_number,

int *underrun)

Visual Basic (Windows 95)

int W_7300_GetUnderrunStatus (ByVal card_number

As Long, underrun As Long) As Long

C/C++ (DOS)

int _7300_GetUnderrunStatus (int card_number, int

*underrun)

@ Argument

card_number

:The card number of the cPCI/PCI/PCIe-7300A

card.

underrun

:0: underrun sitation did not occur.

1: underrun situation occurred.

@ Return Code

NoError

PCICardNumErr,PCICardNotInit

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