Share via

SLOT_POWER_DATA (Compact 2013)

  • Article

3/26/2014

This structure contains slot power control information for a given slot.

Syntax

typedef struct _SLOT_POWER_DATA {
  UCHAR Functions;
  BOOL fCardSupportsPowerControl;
  BOOL fPowerControlEnabled;
  DWORD CurrentDrawOfSlot;
  DWORD OperatingVoltage;
  DWORD CurrentTupleVoltageRange;
  UCHAR NumberOfHighPowerTuples;
  DWORD SizeOfFunctionRecord;
} SLOT_POWER_DATA, *PSLOT_POWER_DATA;

Members

  • Functions
    Number of functions for the card.
  • fCardSupportsPowerControl
    Indicates if the card supports power control.
  • fPowerControlEnabled
    Indicates if power control is enabled.
  • CurrentDrawOfSlot
    Indicates the maximum possible current draw, in mA, allocated at the slot.
  • OperatingVoltage
    Bit mask similar to the OCR register.
  • CurrentTupleVoltageRange
    Bit mask similar to the OCR register.
  • NumberOfHighPowerTuples
    For SDIO 1.1, this member is 1.
  • SizeOfFunctionRecord
    The size of data per function.

Requirements

Header

sdcardddk.h

See Also

Reference

Secure Digital (SD) Card Driver Structures