Writing hardware device drivers has always been a very challenging complex work, even if you have written developers with quite difficult Win32 programs, you must go to all kinds of discomfort when writing device drivers, need "brainwashing". Writing device driver is very similar to an arduous task: no window, no message needs to be handled, it is difficult to debug settings for the source code, almost all support libraries cannot be called; worse, because the device driver belongs to the operation The system's trust part is easy to harm the system, but it is often lacking a protective means to prevent processes and Windows systems.
