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WDF_READ_PORT_ULONG function (wdfhwaccess.h)
[Applies to UMDF only]
The WDF_READ_PORT_ULONG function reads a ULONG value from the specified port address.
Syntax
ULONG WDF_READ_PORT_ULONG(
[in] WDFDEVICE Device,
[in] PULONG Port
);
Parameters
[in] Device
A handle to a framework device object.
[in] Port
Specifies the port address, which must be a mapped memory range in I/O space.
Return value
WDF_READ_PORT_ULONG returns the ULONG value that is read from the specified port address.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 8.1 |
| Target Platform | Universal |
| Minimum UMDF version | 2.0 |
| Header | wdfhwaccess.h |
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