DMAFlushBlockBuffer (Compact 2013)
3/26/2014
This function manually flushes the direct memory access (DMA) buffer block in order to regain cache coherency.
Syntax
BOOL DMAFlushBlockBuffer (
DMA_BUFFER_HANDLE hBuffer
);
Parameters
- hBuffer
[in] DMA block descriptor handle returned by DMAOpenBuffer.
Return Value
Returns TRUE on success. Returns FALSE if an error occurs. For extended error information, the user driver can call GetLastError.
Remarks
This function should be used before the caller function uses the virtual pointer that was passed into DMAOpenBuffer.
Requirements
Header |
oaldma.h |
Library |
CEDDK.lib |