OALIoTransSystemAddress (Windows Embedded CE 6.0)

1/5/2010

This function translates the system RAM address to the bus-relative address, which can be used for DMA operations.

This function is not the inverse to OALIoTransBusAddress.

Syntax

BOOL OALIoTransSystemAddress(
  INTERFACE_TYPE ifcType,
  UINT32 busNumber,
  UINT64 systemAddress,
  UINT64 *pBusAddress
);

Parameters

• ifcType
  [in] Bus type specified by the INTERFACE_TYPE enumeration.

• busNumber
  [in] Bus number for the device, used with ifcType to identify the bus for systems with more than one bus of the same type.

• systemAddress
  [in] System RAM address to be translated.

• pBusAddress
  [out] Pointer to the translated bus-relative address.

Return Value

TRUE indicates success.

FALSE indicates failure.

Requirements

See Also

Reference

I/O Functions