Hi All, I am following LDD3 for Char Drivers. So we writing a kernel module(char driver) after that creating a char file which is representation of Character Device. So my doubt is how we will communicate with real hardware device let suppose how to communicate with our monitor . Can any one please explain how we will communicate with real hardware for read/write calls? And what is mknod is doing internally when we are creating char/block devices?
Thanks in Advance
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