VideoPortReadRegisterUchar

UCHAR VideoPortReadRegisterUchar(

PUCHAR  Register
);

VideoPortReadRegisterUchar reads a byte from a mapped register.

Parameters

Register

Points to the register. The given Register must be in a mapped memory-space range returned by VideoPortGetDeviceBase.

Return Value

VideoPortReadRegisterUchar returns the byte read from the adapter.

Comments

A miniport’s HwVidInterrupt or HwVidSynchronizeExecutionCallback function can call VideoPortReadRegisterUchar.

See Also

HwVidInterrupt, HwVidSynchronizeExecutionCallback, VideoPortGetDeviceBase