最終更新:2021-10-14 (木) 18:53:31 (932d)  

AOSP/frameworks/base/core/java/android/hardware/usb/UsbPort.java
Top / AOSP / frameworks / base / core / java / android / hardware / usb / UsbPort.java

https://search.siprop.org/android-10.0.0_r1.0/xref/frameworks/base/core/java/android/hardware/usb/UsbPort.java

状態例 

  • connected=true, 
currentMode=audio_acc, 
currentPowerRole=source, 
currentDataRole=host, 
supportedRoleCombinations=[source:host, sink:device], 
contaminantDetectionStatus=2, 
contaminantProtectionStatus=0}, 
canChangeMode=true, 
canChangePowerRole=false, 
canChangeDataRole=false, 
connectedAtMillis=11907515,
↑

モード

  • MODE_NONE
    MODE_DFPThis USB port can act as a downstream facing port (host)
    MODE_UFPThis USB port can act as an upstream facing port (device).
    MODE_DRPThis USB port can act either as an downstream facing port (host) or as an upstream facing port (device).
    MODE_AUDIO_ACCESSORYandroid.hardware.usb.V1_1.Constants.PortMode_1_1.AUDIO_ACCESSORYThis USB port can support USB Type-C Audio accessory.
    MODE_DEBUG_ACCESSORYandroid.hardware.usb.V1_1.Constants.PortMode_1_1.DEBUG_ACCESSORYThis USB port can support USB Type-C debug accessory
↑

パワーロール

  • POWER_ROLE_NONEThis USB port does not have a power role.
    POWER_ROLE_SOURCEThis USB port can act as a source (provide power).
    POWER_ROLE_SINKThis USB port can act as a sink (receive power).
↑

データロール

  • DATA_ROLE_NONE
    DATA_ROLE_HOST
    DATA_ROLE_DEVICE



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