ICP DAS USA PCI-D64HU, User Manual, Page: 96 / 128

4.7 d64h_di_async_clear
VC6
short d64h_di_async_clear (BYTE bCardID, U32 *pAccessCount)
VB6
d64h_di_async_clear (ByVal bCardID As Byte, ByRef AccessCnt As Long) As Integer
Description:
This function terminates the in-progress digital-input acquisition, d64h_continue_readport()
Parameters:
bCardID: The specific Card ID that is configured with the on-board Dip-Switch.
pAccessCount: The pointer to the variable that stores the number of acquired-samples
Return Code:
SUCCESS_NO_ERROR: The function returns successfully.
ERROR_INVALID_CARD_ID: There is no active PCI-D64HU card configured with bCardID, or the
given Card ID is invalid (for instance, Card ID is assigned to 254).
ERROR_ACCESS_VIOLATION_DATA_COPY: Some system exception occurs while copying
memory, please check the pointer-type parameter you assign to this function.
ERROR_DI_ASYNC_CLEAR: Cannot terminate the on-going digital-input acquisition.
PCI-D64HU Function Reference Version 24