ADLINK PCI-7200 - Manual (Page 79)

C/C++ Libraries 67
5.21 _7200_CheckHalfReady
@ Description
When you use _7200_DI_DMA_Start to sample digital input data
and double buffer mode is set as enable. Users must use
_7200_CheckHalfReady to check data ready (data half full) or not
in the circular buffer, and using _7200_DblBufferTransfer to get
data.
@ Syntax
Visual C++ (Windows 95)
int W_7200_CheckHalfReady (Boolean * halfReady)
Visual Basic (Windows 95)
W_7200_CheckHalfReady (halfReady As Byte) As Long
C/C++ (DOS)
int _7200_CheckHalfReady (Booelan *halfReady)
@ Argument
halfReady: 1 (TRUE) or 0 (FALSE)
@ Return Code
ERR_NoError