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NdisRawReadPortBufferUchar (NDIS 5.1) function

Note   NDIS 5. x has been deprecated and is superseded by NDIS 6. x. For new NDIS driver development, see Network Drivers Starting with Windows Vista. For information about porting NDIS 5. x drivers to NDIS 6. x, see Porting NDIS 5.x Drivers to NDIS 6.0.

NdisRawReadPortBufferUchar reads a specified number of bytes into a caller-supplied buffer.

Syntax


VOID NdisRawReadPortBufferUchar(
  _In_  ULONG_PTR Port,
  _Out_ PUCHAR    Buffer,
  _In_  ULONG     Length
);

Parameters

Port [in]

Specifies the I/O port. This address falls in a range that was mapped during initialization with NdisMRegisterIoPortRange.

Buffer [out]

Pointer to a caller-allocated buffer, in resident memory, into which the bytes will be transferred from the NIC's port. The caller must allocate a buffer at least sizeof( Length).

Length [in]

Specifies how many bytes to transfer from the NIC.

Return value

None

Remarks

NdisRawReadPortBufferUchar reads each byte, one at a time, from the given I/O port into the given buffer.

Requirements

Target platform

Desktop

Version

See NdisRawReadPortBufferUchar.

Header

Ndis.h (include Ndis.h)

IRQL

Any level

See also

MiniportInitialize
NdisMRegisterIoPortRange
NdisRawReadPortBufferUlong
NdisRawReadPortBufferUshort
NdisRawReadPortUchar
NdisRawWritePortBufferUchar

 

 

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