ICP DAS USA PCI-D64HU, User Manual, Page: 28 / 128

2.6 d64h_do_available_memory
VC6
short d64h_do_available_memory(BYTE bCardID, U32 *pMemSize)
VB6
d64h_do_available_memory (ByVal bCardID As Byte, ByRef pMemSize As Long) As Integer
Description:
This function gets the size of DO buffer that is allocated in driver. The unit of allocated buffer is
reported in kilo-bytes.
Parameters:
bCardID: The specific Card ID that is configured with the on-board Dip-Switch.
pMemSize: The pointer to the size of DO buffer, in kilobytes (KB)
Return Code:
SUCCESS_NO_ERROR: The function returns successfully.
ERROR_INVALID_CARD_ID: There is no opened PCI-D64HU card with assigned Card ID, 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_ACCESS_VIOLATION_DATA_COPY: Some system exception occurs while copying
memory, please check the pointer-type parameter you assign to this function.
PCI-D64HU Function Reference Version 12