UCHAR
READ_REGISTER_UCHAR(
IN PUCHAR Register
);
READ_REGISTER_UCHAR reads a byte from the specified register address.
Parameters
Register
Points to the register address, which must be a mapped range in memory space.
Return Value
READ_REGISTER_UCHAR returns the byte read from the specified register address.
Comments
Callers of READ_REGISTER_UCHAR can be running at any IRQL, assuming the Register is resident, mapped device memory.