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My Windows driver has a .sys file and a .dll (which I’m guessing is the programming interface to the driver?). Anyway, I need to compile the driver to run on Windows 7 64-bit. I have downloaded the DDK and am able to compile everything, but my application still won’t work with the new driver.
If the application is a 32-bit application, does the driver DLL need to be compiled as a 32-bit DLL, and the .sys file a 64-bit file? Or do the SYS and DLL files both need to be 64-bit?
The DLL has to be 64 bit too.
Will try to find a reference.Got one
This is why no 32 bit driver works on 64 bit and why they are always separate downloads