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。
Sometimes clicking "Safely remove USB device" button can't remove USB storage safely.
有时候点击“安全移除USB 设备”按钮不能安全移除USB 存储器。
The logic analyzer detects the storage state of the USB device and generates pulse on a drive signal when the storage operation of the USB device is error.
逻辑分析仪用以侦测usb装置的存取状态，并于侦测到usb装置的存取操作发生错误时于驱动信号上产生脉冲。
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