WDF_READ_REGISTER_UCHAR function (wdfhwaccess.h)
[Applies to UMDF only]
The WDF_READ_REGISTER_UCHAR function reads a byte from the specified register address.
Syntax
WDF_EXTERN_C_START UCHAR WDF_READ_REGISTER_UCHAR(
[in] WDFDEVICE Device,
[in] PUCHAR Register
);
Parameters
[in] Device
A handle to a framework device object.
[in] Register
A pointer to the register address, which must be a mapped range in memory space.
Return value
WDF_READ_REGISTER_UCHAR returns the byte 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 |