# 第28章 USB 设备模式/USB OTG

- [28.1.概述](https://handbook.bsdcn.org/di-28-zhang-usb-she-bei-mo-shi-usb-otg/28.1.-gai-shu.md)
- [28.2.USB 虚拟串行端口](https://handbook.bsdcn.org/di-28-zhang-usb-she-bei-mo-shi-usb-otg/28.2.-usb-xu-ni-chuan-hang-duan-kou.md)
- [28.3.USB 设备模式网络接口](https://handbook.bsdcn.org/di-28-zhang-usb-she-bei-mo-shi-usb-otg/28.3.-usb-she-bei-mo-shi-wang-luo-jie-kou.md)
- [28.4.USB 虚拟存储设备](https://handbook.bsdcn.org/di-28-zhang-usb-she-bei-mo-shi-usb-otg/28.4.-usb-xu-ni-cun-chu-she-bei.md)


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