PC Card Driver Event Codes
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8/28/2008
PC Card event codes are event codes that card services sends to the stream interface driver's callback function to indicate that a PC Card event has occurred. Not all event codes are supported on all platforms. The following table shows the defined codes.
| Programming element | Description |
|---|---|
CE_BATTERY_DEAD |
Indicates a dead battery on the PC Card. This event is signaled through the BVD1 pin, which can also be accessed through the pin replacement register (PRR). |
CE_BATTERY_LOW |
Indicates a low battery on the PC Card. This event is signaled through the BVD2 pin, which can also be accessed through the PRR. |
CE_CARD_LOCK |
Indicates that the hardware card lock is closed. |
CE_CARD_READY |
Indicates that a PC Card has changed from a busy to a ready state. |
CE_CARD_REMOVAL |
Indicates that a PC Card has been removed from the socket. |
CE_CARD_UNLOCK |
Indicates that the hardware card lock is open. |
CE_INSERTION_COMPLETE |
Indicates that a PC Card has been inserted. |
CE_PM_RESUME |
Indicates that the system has resumed after being powered down and is now running. |
CE_PM_SUSPEND |
Indicates that the system has just returned from a suspended state and that any CE_CARD_INSERTION and CE_CARD_REMOVAL codes received before the next CE_PM_RESUME code are likely to be invalid. |
CE_EXCLUSIVE_COMPLETE |
Indicates that a driver's CardRequestExclusive request has taken place. |
CE_EXCLUSIVE_REQUEST |
Indicates that a driver has called CardRequestExclusive with a request for exclusive access to a PC Card. |
CE_WRITE_PROTECT |
Indicates that a PC Card's write-protect status has changed. |
CE_POWER_CYCLE_ON |
Indicates that a PC Card has been powered. This event code has two assosciated parameters:
|
CE_POWER_CYCLE_OFF |
Indicates that a PC Card has been powered off. |
CE_CARD_INSTERTION |
Indicates that a PC Card has been inserted in the socket. Applications registering for insertion events also receive this event for PC cards that are already in the socket after a suspend event or resume event. |
CE_REGISTRATION_COMPLETE |
Indicates that client registration is complete. |
CE_CARD_BUS_INFO |
Indicates that a relationship between bus and client drivers has been established. This event code has two assosciated parameters:
|
CE_CARD_UNLOAD_DRIVER |
Indicates an application request to unload the client driver. |
CE_CARD_LOAD_DRIVER |
Indicates an application request to load the client driver. |