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What is the relationship between the keyboard and the application processing program?

Source: Internet
Author: User
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What is the relationship between the keyboard and the application processing program? -- Linux general technology-Linux programming and kernel information. The following is a detailed description. Now you have written a keyboard driver, and you need to create a keyboard handler at the application layer.
I don't know how to set up this content now. Please help us with the planning:
1. Should this application be called by the driver after the driver is interrupted? Or should I always poll and wait for the underlying input?
2. How should I call it if it is called by a driver? Or can I explain in detail how the application starts loading and polling? Recently we found network layer content...
You are in trouble.

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