ICP DAS USA PCI-D64HU, User Manual, Page: 92 / 128

4.3 d64h_di_async_dblbuf_mode
VC6
short d64h_di_async_dblbuf_mode (BYTE bCardID, U16 wDblBufEnable)
VB6
d64h_di_async_dblbuf_mode (ByVal bCardID As Byte, ByVal wDblBufEnable As Integer) As
Integer
Description:
This function configures the operation mode of digital-input acquisition.
Parameters:
bCardID: the specific Card ID that is configured with the on-board Dip-Switch.
wDblBufEnable: DOUBLE_BUFFER_MODE_ENABLE or DOUBLE_BUFFER_MODE_DISABLE.
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_INVALID_MAPPED_ADDRESS: Indicates the mapped address is invalid.
ERROR_INVALID_DOUBLE_BUFFER_MODE: Neither DOUBLE_BUFFER_MODE_ENABLE nor
DOUBLE_BUFFER_MODE_DISABLE is assigned to parameter
wDblBufEnable
.
ERROR_DOUBLE_BUFFER_MODE: Cannot configure the digital-input acquisition as double-buffer
mode.
PCI-D64HU Function Reference Version 20