建筑新型组合塑料模板,大型网站如何优化,专做logo网站叫什么地方,百度申请完域名怎么建设网站USB偏好设置 1、USB偏好设置界面和入口2、USB功能设置2.1 USB功能对应模式2.2 点击设置2.3 广播监听刷新 3、日志开关3.1 Evet日志3.2 代码中日志开关3.3 关键日志 4、异常 1、USB偏好设置界面和入口
设置》已连接的设备》USB packages/apps/Settings/src/com/android/setting… USB偏好设置 1、USB偏好设置界面和入口2、USB功能设置2.1 USB功能对应模式2.2 点击设置2.3 广播监听刷新 3、日志开关3.1 Evet日志3.2 代码中日志开关3.3 关键日志 4、异常 1、USB偏好设置界面和入口
设置》已连接的设备》USB packages/apps/Settings/src/com/android/settings/connecteddevice/usb/UsbDetailsFragment.java packages/apps/Settings/res/xml/usb_details_fragment.xml
private static ListUsbDetailsController createControllerList(Context context,UsbBackend usbBackend, UsbDetailsFragment fragment) {ListUsbDetailsController ret new ArrayList();ret.add(new UsbDetailsHeaderController(context, fragment, usbBackend));ret.add(new UsbDetailsDataRoleController(context, fragment, usbBackend));ret.add(new UsbDetailsFunctionsController(context, fragment, usbBackend));ret.add(new UsbDetailsPowerRoleController(context, fragment, usbBackend));ret.add(new UsbDetailsTranscodeMtpController(context, fragment, usbBackend));return ret;
}2、USB功能设置
packages/apps/Settings/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsController.java
2.1 USB功能对应模式
FWK模式对应值字符串显示节点FUNCTION_NONE 0NONE 0FUNCTION_MTP GadgetFunction.MTPMTP 1 2“文件传输”FUNCTION_PTP GadgetFunction.PTPPTP 1 4“PTP”FUNCTION_RNDIS GadgetFunction.RNDISRNDIS 1 5“USB 网络共享”FUNCTION_MIDI GadgetFunction.MIDIMIDI 1 3“MIDI”FUNCTION_ACCESSORY GadgetFunction.ACCESSORYACCESSORY 1 1FUNCTION_AUDIO_SOURCE GadgetFunction.AUDIO_SOURCEAUDIO_SOURCE 1 6FUNCTION_ADB GadgetFunction.ADBADB 1 0“不用于数据传输”
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 as android.hardware.usb.gadget.V1_0.GadgetFunction.* */
enum Function {FUNCTION_ADB 1;FUNCTION_ACCESSORY 2;FUNCTION_MTP 4;FUNCTION_MIDI 8;FUNCTION_PTP 16;FUNCTION_RNDIS 32;FUNCTION_AUDIO_SOURCE 64;
}2.2 点击设置 mUsbBackend 通过UsbManager.java、UsbService.java、UsbDeviceManager.java设置 packages/apps/Settings/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsController.java
Override
public void onRadioButtonClicked(SelectorWithWidgetPreference preference) {final long function UsbBackend.usbFunctionsFromString(preference.getKey());final long previousFunction mUsbBackend.getCurrentFunctions();if (DEBUG) {Log.d(TAG, onRadioButtonClicked() function : function , toString() : UsbManager.usbFunctionsToString(function) , previousFunction : previousFunction , toString() : UsbManager.usbFunctionsToString(previousFunction));}if (function ! previousFunction !Utils.isMonkeyRunning() !isClickEventIgnored(function, previousFunction)) {mPreviousFunction previousFunction;//Update the UI in advance to make it looks smoothfinal SelectorWithWidgetPreference prevPref (SelectorWithWidgetPreference) mProfilesContainer.findPreference(UsbBackend.usbFunctionsToString(mPreviousFunction));if (prevPref ! null) {prevPref.setChecked(false);preference.setChecked(true);}if (function UsbManager.FUNCTION_RNDIS || function UsbManager.FUNCTION_NCM) {// We need to have entitlement check for usb tethering, so use API in// TetheringManager.mTetheringManager.startTethering(TetheringManager.TETHERING_USB, new HandlerExecutor(mHandler),mOnStartTetheringCallback);} else {mUsbBackend.setCurrentFunctions(function);}}
}frameworks/base/services/usb/java/com/android/server/usb/UsbDeviceManager.java
public void setCurrentFunctions(long functions) {if (DEBUG) {Slog.d(TAG, setCurrentFunctions( UsbManager.usbFunctionsToString(functions) ));}if (functions UsbManager.FUNCTION_NONE) {MetricsLogger.action(mContext, MetricsEvent.ACTION_USB_CONFIG_CHARGING);} else if (functions UsbManager.FUNCTION_MTP) {MetricsLogger.action(mContext, MetricsEvent.ACTION_USB_CONFIG_MTP);} else if (functions UsbManager.FUNCTION_PTP) {MetricsLogger.action(mContext, MetricsEvent.ACTION_USB_CONFIG_PTP);} else if (functions UsbManager.FUNCTION_MIDI) {MetricsLogger.action(mContext, MetricsEvent.ACTION_USB_CONFIG_MIDI);} else if (functions UsbManager.FUNCTION_RNDIS) {MetricsLogger.action(mContext, MetricsEvent.ACTION_USB_CONFIG_RNDIS);} else if (functions UsbManager.FUNCTION_ACCESSORY) {MetricsLogger.action(mContext, MetricsEvent.ACTION_USB_CONFIG_ACCESSORY);}mHandler.sendMessage(MSG_SET_CURRENT_FUNCTIONS, functions);}private boolean trySetEnabledFunctions(long usbFunctions, boolean forceRestart) {String functions null;if (usbFunctions ! UsbManager.FUNCTION_NONE) {functions UsbManager.usbFunctionsToString(usbFunctions);}mCurrentFunctions usbFunctions;if (functions null || 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)|| !mCurrentFunctionsApplied|| forceRestart) {Slog.i(TAG, Setting USB config to functions);mCurrentFunctionsStr functions;mCurrentOemFunctions oemFunctions;mCurrentFunctionsApplied false;/*** Kick the USB stack to close existing connections.*/setUsbConfig(UsbManager.USB_FUNCTION_NONE);if (!waitForState(UsbManager.USB_FUNCTION_NONE)) {Slog.e(TAG, Failed to kick USB config);return false;}/*** Set the new USB configuration.*/setUsbConfig(oemFunctions);if (mBootCompleted (containsFunction(functions, UsbManager.USB_FUNCTION_MTP)|| containsFunction(functions, UsbManager.USB_FUNCTION_PTP))) {/*** Start up dependent services.*/updateUsbStateBroadcastIfNeeded(getAppliedFunctions(mCurrentFunctions));}if (!waitForState(oemFunctions)) {Slog.e(TAG, Failed to switch USB config to functions);return false;}mCurrentFunctionsApplied true;}return true;}hardware/interfaces/usb/gadget/1.2/default/UsbGadget.cpp
V1_0::Status UsbGadget::setupFunctions(uint64_t functions,const spV1_0::IUsbGadgetCallback callback,uint64_t timeout) {bool ffsEnabled false;int i 0;if (addGenericAndroidFunctions(monitorFfs, functions, ffsEnabled, i) !V1_0::Status::SUCCESS)return V1_0::Status::ERROR;if ((functions V1_2::GadgetFunction::ADB) ! 0) {ffsEnabled true;if (addAdb(monitorFfs, i) ! V1_0::Status::SUCCESS) return V1_0::Status::ERROR;}// Pull up the gadget right away when there are no ffs functions.if (!ffsEnabled) {if (!WriteStringToFile(kGadgetName, PULLUP_PATH)) return V1_0::Status::ERROR;mCurrentUsbFunctionsApplied true;if (callback) callback-setCurrentUsbFunctionsCb(functions, V1_0::Status::SUCCESS);return V1_0::Status::SUCCESS;}monitorFfs.registerFunctionsAppliedCallback(currentFunctionsAppliedCallback, this);// Monitors the ffs paths to pull up the gadget when descriptors are written.// Also takes of the pulling up the gadget again if the userspace process// dies and restarts.monitorFfs.startMonitor();if (kDebug) ALOGI(Mainthread in Cv);if (callback) {bool pullup monitorFfs.waitForPullUp(timeout);Returnvoid ret callback-setCurrentUsbFunctionsCb(functions, pullup ? V1_0::Status::SUCCESS : V1_0::Status::ERROR);if (!ret.isOk()) ALOGE(setCurrentUsbFunctionsCb error %s, ret.description().c_str());}return V1_0::Status::SUCCESS;
}Returnvoid UsbGadget::setCurrentUsbFunctions(uint64_t functions,const spV1_0::IUsbGadgetCallback callback,uint64_t timeout) {std::unique_lockstd::mutex lk(mLockSetCurrentFunction);mCurrentUsbFunctions functions;mCurrentUsbFunctionsApplied false;// Unlink the gadget and stop the monitor if running.V1_0::Status status tearDownGadget();if (status ! V1_0::Status::SUCCESS) {goto error;}ALOGI(Returned from tearDown gadget);// Leave the gadget pulled down to give time for the host to sense disconnect.usleep(kDisconnectWaitUs);if (functions static_castuint64_t(V1_2::GadgetFunction::NONE)) {if (callback NULL) return Void();Returnvoid ret callback-setCurrentUsbFunctionsCb(functions, V1_0::Status::SUCCESS);if (!ret.isOk())ALOGE(Error while calling setCurrentUsbFunctionsCb %s, ret.description().c_str());return Void();}status validateAndSetVidPid(functions);if (status ! V1_0::Status::SUCCESS) {goto error;}status setupFunctions(functions, callback, timeout);if (status ! V1_0::Status::SUCCESS) {goto error;}ALOGI(Usb Gadget setcurrent functions called successfully);return Void();error:ALOGI(Usb Gadget setcurrent functions failed);if (callback NULL) return Void();Returnvoid ret callback-setCurrentUsbFunctionsCb(functions, status);if (!ret.isOk())ALOGE(Error while calling setCurrentUsbFunctionsCb %s, ret.description().c_str());return Void();
}hardware/interfaces/usb/gadget/1.2/default/lib/UsbGadgetUtils.cpp
Status addGenericAndroidFunctions(MonitorFfs* monitorFfs, uint64_t functions, bool* ffsEnabled,int* functionCount) {if (((functions GadgetFunction::MTP) ! 0)) {*ffsEnabled true;ALOGI(setCurrentUsbFunctions mtp);if (!WriteStringToFile(1, DESC_USE_PATH)) return Status::ERROR;if (!monitorFfs-addInotifyFd(/dev/usb-ffs/mtp/)) return Status::ERROR;if (linkFunction(ffs.mtp, (*functionCount))) return Status::ERROR;// Add endpoints to be monitored.monitorFfs-addEndPoint(/dev/usb-ffs/mtp/ep1);monitorFfs-addEndPoint(/dev/usb-ffs/mtp/ep2);monitorFfs-addEndPoint(/dev/usb-ffs/mtp/ep3);} else if (((functions GadgetFunction::PTP) ! 0)) {*ffsEnabled true;ALOGI(setCurrentUsbFunctions ptp);if (!WriteStringToFile(1, DESC_USE_PATH)) return Status::ERROR;if (!monitorFfs-addInotifyFd(/dev/usb-ffs/ptp/)) return Status::ERROR;if (linkFunction(ffs.ptp, (*functionCount))) return Status::ERROR;// Add endpoints to be monitored.monitorFfs-addEndPoint(/dev/usb-ffs/ptp/ep1);monitorFfs-addEndPoint(/dev/usb-ffs/ptp/ep2);monitorFfs-addEndPoint(/dev/usb-ffs/ptp/ep3);}if ((functions GadgetFunction::MIDI) ! 0) {ALOGI(setCurrentUsbFunctions MIDI);if (linkFunction(midi.gs5, (*functionCount))) return Status::ERROR;}if ((functions GadgetFunction::ACCESSORY) ! 0) {ALOGI(setCurrentUsbFunctions Accessory);if (linkFunction(accessory.gs2, (*functionCount))) return Status::ERROR;}if ((functions GadgetFunction::AUDIO_SOURCE) ! 0) {ALOGI(setCurrentUsbFunctions Audio Source);if (linkFunction(audio_source.gs3, (*functionCount))) return Status::ERROR;}if ((functions GadgetFunction::RNDIS) ! 0) {ALOGI(setCurrentUsbFunctions rndis);if (linkFunction(gsi.rndis, (*functionCount))) return Status::ERROR;std::string rndisFunction GetProperty(kVendorRndisConfig, );if (rndisFunction ! ) {if (linkFunction(rndisFunction.c_str(), (*functionCount))) return Status::ERROR;} else {// link gsi.rndis for older pixel projectsif (linkFunction(gsi.rndis, (*functionCount))) return Status::ERROR;}}if ((functions GadgetFunction::NCM) ! 0) {ALOGI(setCurrentUsbFunctions ncm);if (linkFunction(ncm.gs6, (*functionCount))) return Status::ERROR;}return Status::SUCCESS;
}了解 USB Gadget HAL API 架构 2.3 广播监听刷新 广播监听刷新 onUsbConnectionChanged refresh 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 /*** Interface definition for a callback to be invoked when usb connection is changed.*/
interface UsbConnectionListener {void onUsbConnectionChanged(boolean connected, long functions, int powerRole, int dataRole,boolean isUsbConfigured);
}private UsbConnectionBroadcastReceiver.UsbConnectionListener mUsbConnectionListener (connected, functions, powerRole, dataRole, isUsbFigured) - {for (UsbDetailsController controller : mControllers) {controller.refresh(connected, functions, powerRole, dataRole);}};3、日志开关
3.1 Evet日志 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 view or control was activated.TYPE_ACTION 4;// These values should never appear in log outputs - they are reserved for// internal platform metrics use.RESERVED_FOR_LOGBUILDER_CATEGORY 757;RESERVED_FOR_LOGBUILDER_TYPE 758;RESERVED_FOR_LOGBUILDER_SUBTYPE 759;// ACTION: Usb config has been changed to charging// CATEGORY: SETTINGS// OS: PACTION_USB_CONFIG_CHARGING 1275;// ACTION: Usb config has been changed to mtp (file transfer)// CATEGORY: SETTINGS// OS: PACTION_USB_CONFIG_MTP 1276;// ACTION: Usb config has been changed to ptp (photo transfer)// CATEGORY: SETTINGS// OS: PACTION_USB_CONFIG_PTP 1277;// ACTION: Usb config has been changed to rndis (usb tethering)// CATEGORY: SETTINGS// OS: PACTION_USB_CONFIG_RNDIS 1278;// ACTION: Usb config has been changed to midi// CATEGORY: SETTINGS// OS: PACTION_USB_CONFIG_MIDI 1279;// ACTION: Usb config has been changed to accessory// CATEGORY: SETTINGS// OS: PACTION_USB_CONFIG_ACCESSORY 1280;3.2 代码中日志开关
adb 打开需要重启Settings进程
adb shell setprop log.tag.UsbFunctionsCtrl D
adb shell setprop log.tag.UsbBroadcastReceiver Dpackages/apps/Settings/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsController.java
private static final String TAG UsbFunctionsCtrl;
private static final boolean DEBUG Log.isLoggable(TAG, Log.DEBUG);3.3 关键日志 start u|SettingsActivity: Switching to|UsbFunctionsCtrl:|UsbDetailsFragment:|UsbBroadcastReceiver:|UsbDeviceManager:|sysui_multi_action: [757,.*,758,4] android.hardware.usb.gadget1.1-service-qti:|libusbconfigfs: 4、异常 symlink失败Cannot create symlink %s - %s errno:%d hardware/interfaces/usb/gadget/1.2/default/lib/include/UsbGadgetCommon.h
#define GADGET_PATH /config/usb_gadget/g1/
#define PULLUP_PATH GADGET_PATH UDC
#define PERSISTENT_BOOT_MODE ro.bootmode
#define VENDOR_ID_PATH GADGET_PATH idVendor
#define PRODUCT_ID_PATH GADGET_PATH idProduct
#define DEVICE_CLASS_PATH GADGET_PATH bDeviceClass
#define DEVICE_SUB_CLASS_PATH GADGET_PATH bDeviceSubClass
#define DEVICE_PROTOCOL_PATH GADGET_PATH bDeviceProtocol
#define DESC_USE_PATH GADGET_PATH os_desc/use
#define OS_DESC_PATH GADGET_PATH os_desc/b.1
#define CONFIG_PATH GADGET_PATH configs/b.1/
#define FUNCTIONS_PATH GADGET_PATH functions/
#define FUNCTION_NAME function
#define FUNCTION_PATH CONFIG_PATH FUNCTION_NAME
#define RNDIS_PATH FUNCTIONS_PATH gsi.rndishardware/interfaces/usb/gadget/1.2/default/lib/UsbGadgetUtils.cpp
int linkFunction(const char* function, int index) {char functionPath[kMaxFilePathLength];char link[kMaxFilePathLength];sprintf(functionPath, %s%s, FUNCTIONS_PATH, function);sprintf(link, %s%d, FUNCTION_PATH, index);if (symlink(functionPath, link)) {ALOGE(Cannot create symlink %s - %s errno:%d, link, functionPath, errno);return -1;}return 0;
}Status addGenericAndroidFunctions(MonitorFfs* monitorFfs, uint64_t functions, bool* ffsEnabled,int* functionCount) {if (((functions GadgetFunction::MTP) ! 0)) {*ffsEnabled true;ALOGI(setCurrentUsbFunctions mtp);if (!WriteStringToFile(1, DESC_USE_PATH)) return Status::ERROR;if (!monitorFfs-addInotifyFd(/dev/usb-ffs/mtp/)) return Status::ERROR;if (linkFunction(ffs.mtp, (*functionCount))) return Status::ERROR;// Add endpoints to be monitored.monitorFfs-addEndPoint(/dev/usb-ffs/mtp/ep1);monitorFfs-addEndPoint(/dev/usb-ffs/mtp/ep2);monitorFfs-addEndPoint(/dev/usb-ffs/mtp/ep3);} else if (((functions GadgetFunction::PTP) ! 0)) {*ffsEnabled true;ALOGI(setCurrentUsbFunctions ptp);if (!WriteStringToFile(1, DESC_USE_PATH)) return Status::ERROR;if (!monitorFfs-addInotifyFd(/dev/usb-ffs/ptp/)) return Status::ERROR;if (linkFunction(ffs.ptp, (*functionCount))) return Status::ERROR;// Add endpoints to be monitored.monitorFfs-addEndPoint(/dev/usb-ffs/ptp/ep1);monitorFfs-addEndPoint(/dev/usb-ffs/ptp/ep2);monitorFfs-addEndPoint(/dev/usb-ffs/ptp/ep3);}if ((functions GadgetFunction::MIDI) ! 0) {ALOGI(setCurrentUsbFunctions MIDI);if (linkFunction(midi.gs5, (*functionCount))) return Status::ERROR;}if ((functions GadgetFunction::ACCESSORY) ! 0) {ALOGI(setCurrentUsbFunctions Accessory);if (linkFunction(accessory.gs2, (*functionCount))) return Status::ERROR;}if ((functions GadgetFunction::AUDIO_SOURCE) ! 0) {ALOGI(setCurrentUsbFunctions Audio Source);if (linkFunction(audio_source.gs3, (*functionCount))) return Status::ERROR;}if ((functions GadgetFunction::RNDIS) ! 0) {ALOGI(setCurrentUsbFunctions rndis);if (linkFunction(gsi.rndis, (*functionCount))) return Status::ERROR;std::string rndisFunction GetProperty(kVendorRndisConfig, );if (rndisFunction ! ) {if (linkFunction(rndisFunction.c_str(), (*functionCount))) return Status::ERROR;} else {// link gsi.rndis for older pixel projectsif (linkFunction(gsi.rndis, (*functionCount))) return Status::ERROR;}}if ((functions GadgetFunction::NCM) ! 0) {ALOGI(setCurrentUsbFunctions ncm);if (linkFunction(ncm.gs6, (*functionCount))) return Status::ERROR;}return Status::SUCCESS;
}
