EmbLogic's Blog

What is Character Driver?

A character device driver is one that transfers data directly to and from a user process.

This is the most common type of device driver and there are plenty of simple examples in the source tree.

Character device drivers may transfer data between a user-level process and the device using any scheme other than the system buffer cache.

Character drivers control devices such as :-



* network cards

* terminal devices

* printers

* specialized devices such as robots

* medical devices

* retail sales devices.

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