USB功能对应模式2.2

packages/apps/Settings/src/com/android/settings/connecteddevice/usb/UsbDetailsFragment.java

packages/apps/Settings/res/xml/usb_details_fragment.xml

private

UsbDetailsHeaderController(context,

fragment,

UsbDetailsDataRoleController(context,

fragment,

UsbDetailsFunctionsController(context,

fragment,

UsbDetailsPowerRoleController(context,

fragment,

UsbDetailsTranscodeMtpController(context,

fragment,

packages/apps/Settings/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsController.java

2.1

GadgetFunction.ACCESSORYACCESSORY

GadgetFunction.AUDIO_SOURCEAUDIO_SOURCE

6FUNCTION_ADB

frameworks/base/core/java/android/hardware/usb/UsbManager.java

hardware/interfaces/usb/gadget/1.0/types.hal

frameworks/base/core/proto/android/service/usb.proto

Same

android.hardware.usb.gadget.V1_0.GadgetFunction.*

enum

通过UsbManager.java、UsbService.java、UsbDeviceManager.java设置

packages/apps/Settings/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsController.java

Override

onRadioButtonClicked(SelectorWithWidgetPreference

preference)

UsbBackend.usbFunctionsFromString(preference.getKey());final

long

mUsbBackend.getCurrentFunctions();if

(DEBUG)

UsbManager.usbFunctionsToString(function)

previousFunction

UsbManager.usbFunctionsToString(previousFunction));}if

(function

mProfilesContainer.findPreference(UsbBackend.usbFunctionsToString(mPreviousFunction));if

(prevPref

{prevPref.setChecked(false);preference.setChecked(true);}if

(function

Te***ringManager.mTe***ringManager.startTe***ring(Te***ringManager.TETHERING_USB,

new

HandlerExecutor(mHandler),mOnStartTe***ringCallback);}

else

{mUsbBackend.setCurrentFunctions(function);}}

}frameworks/base/services/usb/java/com/android/server/usb/UsbDeviceManager.java

public

UsbManager.usbFunctionsToString(functions)

));}if

{MetricsLogger.action(mContext,

MetricsEvent.ACTION_USB_CONFIG_CHARGING);}

else

{MetricsLogger.action(mContext,

MetricsEvent.ACTION_USB_CONFIG_MTP);}

else

{MetricsLogger.action(mContext,

MetricsEvent.ACTION_USB_CONFIG_PTP);}

else

{MetricsLogger.action(mContext,

MetricsEvent.ACTION_USB_CONFIG_MIDI);}

else

{MetricsLogger.action(mContext,

MetricsEvent.ACTION_USB_CONFIG_RNDIS);}

else

{MetricsLogger.action(mContext,

MetricsEvent.ACTION_USB_CONFIG_ACCESSORY);}mHandler.sendMessage(MSG_SET_CURRENT_FUNCTIONS,

functions);}private

UsbManager.usbFunctionsToString(usbFunctions);}mCurrentFunctions

usbFunctions;if

applyAdbFunction(functions).equals(UsbManager.USB_FUNCTION_NONE))

{functions

UsbManager.usbFunctionsToString(getChargingFunctions());}functions

applyAdbFunction(functions);String

oemFunctions

applyOemOverrideFunction(functions);if

(!isNormalBoot()

!mCurrentFunctionsStr.equals(functions))

{setSystemProperty(getPersistProp(true),

functions);}if

((!functions.equals(oemFunctions)

!mCurrentOemFunctions.equals(oemFunctions))||

!mCurrentFunctionsStr.equals(functions)||

forceRestart)

functions);mCurrentFunctionsStr

oemFunctions;mCurrentFunctionsApplied

false;/***

connections.*/setUsbConfig(UsbManager.USB_FUNCTION_NONE);if

(!waitForState(UsbManager.USB_FUNCTION_NONE))

{Slog.e(TAG,

configuration.*/setUsbConfig(oemFunctions);if

(mBootCompleted

services.*/updateUsbStateBroadcastIfNeeded(getAppliedFunctions(mCurrentFunctions));}if

{Slog.e(TAG,

false;}mCurrentFunctionsApplied

true;}return

true;}hardware/interfaces/usb/gadget/1.2/default/UsbGadget.cpp

V1_0::Status

UsbGadget::setupFunctions(uint64_t

functions,const

(addGenericAndroidFunctions(monitorFfs,

functions,

(!WriteStringToFile(kGadgetName,

PULLUP_PATH))

V1_0::Status::ERROR;mCurrentUsbFunctionsApplied

true;if

callback-setCurrentUsbFunctionsCb(functions,

V1_0::Status::SUCCESS;}monitorFfs.registerFunctionsAppliedCallback(currentFunctionsAppliedCallback,

this);//

restarts.monitorFfs.startMonitor();if

(kDebug)

monitorFfs.waitForPullUp(timeout);Returnvoid

ret

callback-setCurrentUsbFunctionsCb(functions,

pullup

ret.description().c_str());}return

}Returnvoid

UsbGadget::setCurrentUsbFunctions(uint64_t

functions,const

lk(mLockSetCurrentFunction);mCurrentUsbFunctions

functions;mCurrentUsbFunctionsApplied

false;//

disconnect.usleep(kDisconnectWaitUs);if

(functions

static_castuint64_t(V1_2::GadgetFunction::NONE))

{if

callback-setCurrentUsbFunctionsCb(functions,

while

ret.description().c_str());return

Void();}status

validateAndSetVidPid(functions);if

(status

callback-setCurrentUsbFunctionsCb(functions,

status);if

ret.description().c_str());return

Void();

}hardware/interfaces/usb/gadget/1.2/default/lib/UsbGadgetUtils.cpp

Status

addGenericAndroidFunctions(MonitorFfs*

monitorFfs,

true;ALOGI(setCurrentUsbFunctions

mtp);if

(!monitorFfs-addInotifyFd(/dev/usb-ffs/mtp/))

return

monitored.monitorFfs-addEndPoint(/dev/usb-ffs/mtp/ep1);monitorFfs-addEndPoint(/dev/usb-ffs/mtp/ep2);monitorFfs-addEndPoint(/dev/usb-ffs/mtp/ep3);}

else

true;ALOGI(setCurrentUsbFunctions

ptp);if

(!monitorFfs-addInotifyFd(/dev/usb-ffs/ptp/))

return

monitored.monitorFfs-addEndPoint(/dev/usb-ffs/ptp/ep1);monitorFfs-addEndPoint(/dev/usb-ffs/ptp/ep2);monitorFfs-addEndPoint(/dev/usb-ffs/ptp/ep3);}if

((functions

(linkFunction(audio_source.gs3,

(*functionCount)))

GetProperty(kVendorRndisConfig,

);if

(linkFunction(rndisFunction.c_str(),

(*functionCount)))

packages/apps/Settings/src/com/android/settings/connecteddevice/usb/UsbConnectionBroadcastReceiver.java

packages/apps/Settings/src/com/android/settings/connecteddevice/usb/UsbDetailsFragment.java

packages/apps/Settings/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsController.java

/***

UsbConnectionBroadcastReceiver.UsbConnectionListener

(connected,

如MetricsLogger.action(mContext,

MetricsEvent.ACTION_USB_CONFIG_MTP);

frameworks/base/core/java/com/android/internal/logging/MetricsLogger.java

frameworks/base/core/java/android/metrics/LogMaker.java

frameworks/base/proto/src/metrics_constants/metrics_constants.proto

The

use.RESERVED_FOR_LOGBUILDER_CATEGORY

757;RESERVED_FOR_LOGBUILDER_TYPE

758;RESERVED_FOR_LOGBUILDER_SUBTYPE

759;//

Dpackages/apps/Settings/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsController.java

private

to|UsbFunctionsCtrl:|UsbDetailsFragment:|UsbBroadcastReceiver:|UsbDeviceManager:|sysui_multi_action:

[757,.*,758,4]

android.hardware.usb.gadget1.1-service-qti:|libusbconfigfs:

4、异常

hardware/interfaces/usb/gadget/1.2/default/lib/include/UsbGadgetCommon.h

#define

gsi.rndishardware/interfaces/usb/gadget/1.2/default/lib/UsbGadgetUtils.cpp

int

functionPath[kMaxFilePathLength];char

link[kMaxFilePathLength];sprintf(functionPath,

%s%s,

addGenericAndroidFunctions(MonitorFfs*

monitorFfs,

true;ALOGI(setCurrentUsbFunctions

mtp);if

(!monitorFfs-addInotifyFd(/dev/usb-ffs/mtp/))

return

monitored.monitorFfs-addEndPoint(/dev/usb-ffs/mtp/ep1);monitorFfs-addEndPoint(/dev/usb-ffs/mtp/ep2);monitorFfs-addEndPoint(/dev/usb-ffs/mtp/ep3);}

else

true;ALOGI(setCurrentUsbFunctions

ptp);if

(!monitorFfs-addInotifyFd(/dev/usb-ffs/ptp/))

return

monitored.monitorFfs-addEndPoint(/dev/usb-ffs/ptp/ep1);monitorFfs-addEndPoint(/dev/usb-ffs/ptp/ep2);monitorFfs-addEndPoint(/dev/usb-ffs/ptp/ep3);}if

((functions

(linkFunction(audio_source.gs3,

(*functionCount)))

GetProperty(kVendorRndisConfig,

);if

(linkFunction(rndisFunction.c_str(),

(*functionCount)))