树莓派上的usb 接口。连接路由器可以是给路由器供电的。而且路由器也能使用。
已经安装了adb ，用这个usb 接口，通过adb devices 后，没有设备。使用lsusb ，也看到不到andriod 设备。
电脑adb devices 是好的。
请问什么原因。
你好，产品类型是？有没有硬件连接图呢
WARNING: you should run this program as super-user.
ubuntu
description: Computer
product: Hobot X3 PI
serial: 0x03812a4404115627
width: 64 bits
capabilities: smp
*-core
description: Motherboard
physical id: 0
*-cpu:0
description: CPU
product: cpu
physical id: 0
bus info: cpu@0
size: 1200MHz
capacity: 1200MHz
capabilities: fp asimd evtstrm crc32 cpuid cpufreq
*-cpu:1
description: CPU
product: cpu
physical id: 1
bus info: cpu@1
size: 1200MHz
capacity: 1200MHz
capabilities: fp asimd evtstrm crc32 cpuid cpufreq
*-cpu:2
description: CPU
product: cpu
physical id: 2
bus info: cpu@2
size: 1200MHz
capacity: 1200MHz
capabilities: fp asimd evtstrm crc32 cpuid cpufreq
*-cpu:3
description: CPU
product: cpu
physical id: 3
bus info: cpu@3
size: 1200MHz
capacity: 1200MHz
capabilities: fp asimd evtstrm crc32 cpuid cpufreq
*-cpu:4 DISABLED
description: CPU
product: idle-states
physical id: 4
bus info: cpu@4
*-memory
description: System memory
physical id: 5
size: 3930MiB
*-network:0
description: Ethernet interface
physical id: 1
logical name: eth0
serial: 00:11:22:09:ca:d1
size: 1Gbit/s
capacity: 1Gbit/s
capabilities: ethernet physical tp mii 10bt-fd 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=st_gmac driverversion=0.9 duplex=full ip=192.168.64.200 link=yes multicast=yes port=MII speed=1Gbit/s
*-network:1
description: Wireless interface
physical id: 2
logical name: wlan0
serial: 70:f7:54:cb:4d:23
capabilities: ethernet physical wireless
configuration: broadcast=yes driver=brcmfmac driverversion=0.7.46.57 firmware=es6.c5.n4.a3 ip=192.168.1.104 multicast=yes wireless=IEEE 802.11
WARNING: output may be incomplete or inaccurate, you should run this program as super-user.
可以截一下sudo lshw 命令中usb的部分和lsusb的截图方便分析