Smart Card Reader States
The following table defines the smart card reader states.
| State | Meaning |
|---|---|
SCARD_UNKNOWN |
Indicates that the reader driver has no information concerning the current state of the reader. |
SCARD_ABSENT |
Indicates that there is no card in the reader. |
SCARD_PRESENT |
Indicates that a card is present in the reader, but it has not been moved into position for use. |
SCARD_SWALLOWED |
Indicates that a card is in the reader and in position for use. The card is not powered. |
SCARD_POWERED |
Indicates that the card is powered, but the reader driver has no additional information concerning the state of the card. |
SCARD_NEGOTIABLE |
Indicates that the card has been reset and is awaiting PTS negotiation. |
SCARD_SPECIFIC |
Indicates that the card has been reset, and specific communication protocols have been established. |
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