Introduce the USB device genus (Mass Storage) and how to realize the USB interface in the embedded system.

介绍US B设备类(以海量存储类协议为主)以及如何在嵌入式系统中实现USB接口。

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State monitoring and diagnosis system of the large rotary sets usually needs perfect program interface, mass data storage and data reports.

大型旋转机组状态检测及故障诊断系统除了要求设计美观的软件组太界面，同时也要求保存大量的数据及输出报表。

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