Changjiang Wei
Abstract
This article introduced device driver internal structure, memory management and interruption in Linux operation system. An approach of programming device driver and adding driver to kernel was supplied through an instance of developing character device driver (serial-port device) on Samsung S3C44BOX microprocessor.
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This article introduced device driver internal structure, memory management and interruption in Linux operation system. An approach of programming device driver and adding driver to kernel was supplied through an instance of developing character device driver (serial-port device) on Samsung S3C44BOX microprocessor.
Key concepts: Embedded system, Serial port, Port (circuit theory), Microprocessor, Computer science, Computer hardware, Operating system, Kernel (algebra)