This function returns the status of the card inserted in the reader/slot specified by
Lun. In cases where the device supports asynchronous card insertion/removal detection, it is advised that the driver manages this through a thread so the driver does not have to send and receive a command each time this function is called.
|[in]||Lun||Logical Unit Number|
- Error codes
- Return values:
Referenced by IFDStatusICC().