ACS ACR89U-A1, Reference Manual

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ACR89U-A1 – Reference Manual
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error, if any. See also Appendix A or the possible return codes.
Example:
4.2.2.2. AS_Close
This function closes a logical connection to ACR89.
AS_STATUS AS_DECL AS_Close (
IN INT nDevId);
Parameters
nDevId [in] Handle returned by a previous call to AS_Open .
Return Values
AS_STATUS This functions returns different values depending on whether it succeeds or fails.
AS_STATUS.DllError
contains the status as returned by the DLL.
AS_STATUS.W32Error contains the Win32 error code associated with the DLL error,
if any. See also Appendix A or the possible return codes.
Example:
INT nDid;
AS_STATUS status;
//open a connection to the ACR89
status = AS_Open(ACR89,AS_USB1,&nDid);
if(status.DllError == CMD_SUCCESS) {
// connection success, do something with the ACR89
}
Else {
// error occurred
return status;
}
INT nDid;
AS_STATUS status;
//open a connection to the ACR89
status = AS_Open(ACR89, AS_USB1, &nDid);
if(status.DllError == CMD_SUCCESS) {
//connection success, do something
.
.
.
//done, close connection
status = AS_Close(nDid);
}
else {
//error occurred
return status;
}