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介绍基于ATMEL公司AT91RM9200处理器平台的嵌入式Linux硬件设备驱动程序体系结构,并用实时时钟芯片DS1302为系统进行了硬件扩展,详细描述了嵌入式Linux下驱动程序的开发原理和过程。
This paper introduces the embedded Linux hardware device driver architecture based on ATMEL company AT91RM9200 processor platform, and uses the real-time clock chip DS1302 for system hardware extension. It describes in detail the principle and process of the driver development in embedded Linux.