FunctionFS (Function Filesystem) 是 Linux USB Gadget 框架的一部分,专门用于从用户空间实现和控制自定义的 USB 功能。它提供了一种文件系统接口,使用户能够在用户空间中直接定义 USB 设备的接口、端点和描述符,并管理 USB 数据的传输。FunctionFS 常用于需要用户空间控制的复杂 USB 协议和自定义设备功能,比如 USB...
Device Drivers -> USB Support -> USB Gadget Support -> USB Gadget Driver -> Function Filesystem 设置正确的 USB vendor ID 和 Product ID 这个设置能够放在 bootcmd 或者载入内核模块的时候通过參数传递: Modify your boot parameters to set the vendor and product ids so adb on your host recognizes ...
[*] Function filesystem (FunctionFS) [ ] MTP gadget [*] Uevent notification of Gadget state [*] Audio Class 1.0[ ] Audio Class 2.0[ ] MIDI function [*] HID function [*] USB Webcam function [*] Printer function 2.配置USB Gadget模式为rndis 可以在/etc/init.d目录下添加一个启动脚本: #...
[*] Mass storage [ ] Loopback and sourcesink function (for testing) [*] Function filesystem (FunctionFS) [ ] MTP gadget [*] Uevent notification of Gadget state [*] Audio Class 1.0 [ ] Audio Class 2.0 [ ] MIDI function [*] HID function [*] USB Webcam function [*] Printer function...
usb_open(dev) - Opens the device ’dev’ which is given as argument to this function. usb_get_string_simple() - Used to extract the string descriptor of the device taken argument. Important attributes of USB devices useful in device driver coding ...
ze Libusb and establish connection with kernel structures .usb_find_busses() - Looks for all the USB busses on the computer.usb_find_devices() - Looks for all the USB devices connected to the computer.usb_open(dev) - Opens the device dev which is given as argument to this function....
interactions with the USB modules. It provides a set of function which are adequate to develop a device driver for a USB device from the Userspace. Libusb is not complex For any wannabe Linux Kernel programmers developing device driver as a Kernel module is a ...
控制器的驱动,该硬件和驱动负责将一个USB设备依附于一个USB主机控制器上,例如,当某运行Linux系统的手机作为PC的U盘时,手机中的底层USB控制器行使USB设备控制器的功能,这时运行在底层的是UDC驱动,手机要成为U盘,在UDC驱动之上仍然需要另外一个驱动,对于USB大容量存储器而言,这个驱动为File Storage驱动,称为Function...
The file system can be mounted from the device if it is valid and it is recognized.If the file system on the device is not automatically mounted, try a manual mount.Before hot-removing the device, find the name of the device in the eject -l command's alias name. Then eject the ...
The main function of dus-iso2usb is to extract the first partitions and the grub structure from compressed image files create new partitions, one for an iso file labeled 'isodevice', and one optional for persistence labeled 'writable' (or in older systems labeled 'casper-rw'). copy is...