ICP DAS USA PCI-D64HU User Manual

Also see for PCI-D64HU: Quick start guide

Contents

5.7 d64h_do_async_dblbuf_transferVC6short d64h_do_async_dblbuf_transfer (BYTE bCardID, void *pBuffer)VB6d64h_do_async_dblbuf_transfer (ByVal bCardID As Byte, pBuffer As Any) As IntegerDescription:This function updates the DO output data to the idle half-buffer.Parameters:bCardID: The specific Card ID that is configured with the on-board Dip-Switch.pBuffer: The pointer to the user-provided buffer that contains the DO output data.Return Code:SUCCESS_NO_ERROR: The function returns successfully.ERROR_INVALID_CARD_ID: There is no active PCI-D64HU card configured with bCardID, or thegiven Card ID is invalid (for instance, Card ID is assigned to 254).ERROR_INVALID_MAPPED_ADDRESS: Indicates the mapped address is invalid.ERROR_INVILID_DOUBLE_BUFFER_MODE: Indicates the acquisition operation is NOT configuredas double-buffer mode.ERROR_ACCESS_VIOLATION_DATA_COPY: Some system exception occurs while copyingmemory, please check the pointer-type parameter you assign to this function.PCI-D64HU Function Reference Version 34