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service:wince:drvlib:trizeps6:dfiomapspace

DFIOMapSpace

This is a helper function to allow easy access to external memory/chip-selects, when using Trizeps6 with onboard WLAN (when the WLAN-chip is configured to use D[15..8]).

void* DFIOMapSpace(      
  unsigned int physbase,
  unsigned int length,
  unsigned int* csbase
); 

Parameters

physbase
Physical address of the external memory-space to map.

ChipSelect Physical start-address
CS1 0x84000000
CS3 0x88000000
CS4 0x8C000000

length
Length of memory-space to map.

csbase
Pointer to an unsigned int, which will receive a value needed by DFIORead and DFIOWrite.

Return Values

The return-value is virtual address of the mapped address-space.

If the function fails, the return value is NULL.

Remarks

You should not use the mapped address-space directly. Instead use DFIOWrite and DFIORead.

Requirements

OS Versions: Windows Embedded CE 6 and later.
Header: drvlib_app.h.
Link Library: drvlib_app.lib.

See Also

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service/wince/drvlib/trizeps6/dfiomapspace.txt · Zuletzt geändert: 2010/05/05 14:17 von