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20210426瑞芯微RK3399在Android10下的ADB连接
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发布时间:2019-02-28

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20210426瑞芯微RK3399在Android10下的ADB连接

开发板:中山市天启智能科技有限公司AIO-3399J

https://www.t-firefly.com/doc/download/31.html

SDK:版本号Android10.0

adb工具下载地址:
https://developer.android.google.cn/studio/releases/platform-tools?hl=en

But if you want just these command-line tools, use the following links:

Download SDK Platform-Tools for Windows

Download SDK Platform-Tools for Mac
Download SDK Platform-Tools for Linux

31.0.2 (April 2021)

adb
Support forwarding to vsock on linux.
Fix bug in adb track-devices where devices over wireless debugging wouldn't immediately receive updates.
Implement preliminary support for mDNS device discovery without a separately installed mDNS service. This is currently disabled by default, and can be enabled by setting the environment variable ADB_MDNS_OPENSCREEN to 1 when starting the adb server.
fastboot
Don't fail when unable to get boot partition size.
Derive device locked state from property instead of parsing the kernel command line.

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adb shell

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console:/ $

console:/ $ [ 3258.571344] type=1400 audit(1619416953.712:120): avc: denied { getattr } for comm="ndroid.settings" path="/sys/devices/platform/ff770000.syscon/ff770000.syscon:usb2-phy@e450/otg_mode" dev="sysfs" ino=14198 scontext=u:r:system_app:s0 tcontext=u:object_r:sysfs:s0 tclass=file permissive=1

[ 3258.571416] type=1400 audit(1619416960.643:121): avc: denied { write } for comm="Thread-2" name="otg_mode" dev="sysfs" ino=14198 scontext=u:r:system_app:s0 tcontext=u:object_r:sysfs:s0 tclass=file permissive=1

[ 3258.581380] xhci-hcd xhci-hcd.5.auto: remove, state 4

[ 3258.581462] usb usb8: USB disconnect, device number 1

[ 3258.584348] xhci-hcd xhci-hcd.5.auto: USB bus 8 deregistered

[ 3258.589484] xhci-hcd xhci-hcd.5.auto: remove, state 4

[ 3258.589538] usb usb7: USB disconnect, device number 1

[ 3258.591488] xhci-hcd xhci-hcd.5.auto: USB bus 7 deregistered

[ 3259.852864] phy phy-ff770000.syscon:usb2-phy@e450.2: charger = USB_SDP_CHARGER

[ 3260.169861] android_work: sent uevent USB_STATE=CONNECTED

[ 3260.187385] configfs-gadget gadget: high-speed config #1: b

[ 3260.187895] android_work: sent uevent USB_STATE=CONFIGURED

console:/ $

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adb shell

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PC(WIN10)的电脑发现AIO-3399J开发板:

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设备已准备就绪:

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点击右下角可以:弹出MTP

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往上拖:

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Settings

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Connected devices

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Connect to PC

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USB连接模式:(默认:Charging this device)

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请选择:(USE USB FOR)File Transfer

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选中:(USE USB FOR)File Transfer
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参考资料:
https://www.it610.com/article/1289353098845822976.htm
https://blog.csdn.net/yhm2046/article/details/104782144/
rk3399 android10 usb不识别解决办法
yhm2046 2020-03-10 20:25:44  2292  收藏 1

现象:usb3.0接口用usb线连接电脑无法识别

原因:android10使用kernel4.19和android9使用kernel4.4的dts设置有区别:

1. DWC3 的power-domains属性,resets 属性,extcon 属性 引用位置不同。在Linux-4.4内核,这

三个属性是放在 DWC3 控制器的父节点(usbdrd3),而在Linux-4.19内核,这三个属性移到了
DWC3 控制器的子节点(usbdrd_dwc3)。
2. 在配置 Type-C to Type-A USB 2.0/3.0 OTG DTS 时,Linux-4.19内核需要在USB 控制器子节点
(usbdrd_dwc3)中增加 extcon 属性的配置,才能支持软件切换OTG 模式,而Linux-4.4 内核无
此要求。

修改代码:

V:\rk3399_q_test\kernel\arch\arm64\boot\dts\rockchip\rk3399-tve-ind3399a.dtsi

&usbdrd_dwc3_0 {

    status = "okay";
    dr_mode = "otg";
    extcon = <&u2phy0>;    //加这一句
};
V:\rk3399_q_test\device\rockchip\rk3399\init.rk3399.rc

 # update cpusets feature nodes for rk3399 tablet

    write /dev/cpuset/foreground/cpus 0-5
    write /dev/cpuset/foreground/boost/cpus 4-5
    write /dev/cpuset/background/cpus 0
    write /dev/cpuset/system-background/cpus 0-3
    write /dev/cpuset/top-app/cpus 0-5
    write /sys/devices/system/cpu/cpufreq/policy4/interactive/target_loads "65 1008000:70 1200000:75 1416000:80 1608000:90"
    write /sys/devices/platform/ff770000.syscon/ff770000.syscon:usb2-phy@e450/otg_mode otg//加这一句
参考:Rockchip_RK3399_Developer_Guide_USB_DTS_CN_V1.3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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