DMA_MDD_CHANNEL_CONTEXT (Windows Embedded CE 6.0)
1/6/2010
This structure provides the callback functions and user information necessary to open a channel for Direct Memory Access (DMA).
Syntax
typedef struct _DMA_MDD_CHANNEL_CONTEXT {
CE_DMA_ADAPTER m_DmaAdapterInfo;
ULONG m_ulAddressSpace;
PHYSICAL_ADDRESS m_phDeviceIoAddress;
DWORD m_dwChannelIndex;
LPTransferCompleteNotify m_lpTransferCompleteNotify;
}DMA_MDD_CHANNEL_CONTEXT, *PDMA_MDD_CHANNEL_CONTEXT;
Members
- m_DmaAdapterInfo
CE_DMA_ADAPTER structure that contains information about the adapter.
- m_ulAddressSpace
The IO or memory mapped IO that will be used for DMA.
- m_phDeviceIoAddress
The IO or physical memory IO address for the device.
- m_dwChannelIndex
The DMA channel index.
- m_lpTransferCompleteNotify
Pointer to a LPTransferCompleteNotify function.
Requirements
| Header | dmamif.h |
| Windows Embedded CE | Windows Embedded CE 6.0 and later |