SFFDISK_DCMD enumeration (sffdisk.h)

The SFFDISK_DCMD enumeration identifies the type of Secure Digital (SD) card operation.

Syntax

typedef enum {
  SFFDISK_DC_GET_VERSION,
  SFFDISK_DC_LOCK_CHANNEL,
  SFFDISK_DC_UNLOCK_CHANNEL,
  SFFDISK_DC_DEVICE_COMMAND
} SFFDISK_DCMD;

Constants

SFFDISK_DC_GET_VERSION The operations retrieves the version of the card.
SFFDISK_DC_LOCK_CHANNEL The operation locks the interface channel.
SFFDISK_DC_UNLOCK_CHANNEL The operation unlocks the interface channel.
SFFDISK_DC_DEVICE_COMMAND The operation executes a device command.

Remarks

Applications that submit IOCTL_SFFDISK_DEVICE_COMMAND requests to the SD stack use this enumeration to specify the type of operation. The application must assign one of the values of this enumeration to the Command member of the SFFDISK_DEVICE_COMMAND_DATA structure.

Requirements

Requirement	Value
Header	sffdisk.h (include Sffdisk.h)

See also

SFFDISK_DEVICE_COMMAND_DATA