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求助：rk3399接USB，无法在/dev中显示
发表于 2017-5-13 10:00:55
浏览：9132
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回复：3
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楼主
如题:准备用用rk3399连接ardunio，但是接上ardunio后，/dev并没有任何反应，请问可以如何解决？
ls /dev插拔设备无反应
lsusb显示
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 012: ID 1a86:7523 QinHeng Electronics HL-340 USB-Serial adapter
Bus 001 Device 002: ID 1a40:0201 Terminus Technology Inc. FE 2.1 7-port Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
dmesg显示
[ 2097.623330] usb 1-1.1: new full-speed USB device number 12 using ehci-platform
[ 2097.711273] usb 1-1.1: New USB device found, idVendor=1a86, idProduct=7523
[ 2097.711309] usb 1-1.1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[ 2097.711330] usb 1-1.1: Product: USB2.0-Serial
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