SDIORWExtendedByteType Struct Reference

List of all members.

Detailed Description

This structure is used with SDIORWExtendedByte and encapsulates the read or write operation.

Public Attributes


Member Data Documentation

MemPtr bufferP
 

For an extended write command, a pointer to the data that will be written. For an extended read command, the data read is stored in the indicated buffer.

UInt32 byteAddress
 

There are 17 bits of address available, so the byte must be located within the first 128K addresses of that function.

SDIOFuncType funcNum
 

The number of the function within the I/O card to be read or written. Function 0 selects the common I/O area (CIA).

SDIORWModeType mode
 

The operation to be performed.

UInt16 numBytes
 

The number of bytes to transfer, up to 512. A numBytes value of either 512 or 0 indicates that 512 bytes are to be transferred.

SDIOSlotType requestingFunc
 

The number of the SDIO card function making the read or write request. This is the function that will be turned on.


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