User`s guide

xpcAllocPhysicalMemor y
Purpose Allocate physical memory
Prototype void *xp cAllocPhysicalMemory(uint32_T numBytes)
Header
File
xpctarget.h
Arguments
numBytes
Allocate specified number of bytes of memory.
Description The xpcAllocPhysicalMemory function allocates the requested bytes
of physical memory. Functions such as
malloc only return virtual
memory.
xPCAllocPhysicalMemory allocates physical memory, w here p hysical
memory is the same as the virtual address. Use this function only when
absolutely necessary, such as for DMA transfers.
See Also xpcFreePhysicalMemory
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