Add support for external dock batterys (9bccfc06) · Commits · e / os / android_frameworks_base

core/java/android/os/BatteryManager.java

+33 −0

Original line number	Diff line number	Diff line
		@@ -27,6 +27,12 @@ public class BatteryManager {
		*/
		public static final String EXTRA_STATUS = "status";

		/**
		* Integer containing the current status constant for the dock battery.
		* @hide
		*/
		public static final String EXTRA_DOCK_STATUS = "dock_status";

		/**
		* Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
		* integer containing the current health constant.
		@@ -46,6 +52,18 @@ public class BatteryManager {
		*/
		public static final String EXTRA_LEVEL = "level";

		/**
		* Integer field containing the current dock battery level.
		* @hide
		*/
		public static final String EXTRA_DOCK_LEVEL = "dock_level";

		/**
		* Boolean field containing the current dock battery AC status.
		* @hide
		*/
		public static final String EXTRA_DOCK_AC_ONLINE = "dock_ac_online";

		/**
		* Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
		* integer containing the maximum battery level.
		@@ -109,6 +127,21 @@ public class BatteryManager {
		public static final int BATTERY_HEALTH_UNSPECIFIED_FAILURE = 6;
		public static final int BATTERY_HEALTH_COLD = 7;

		/** @hide */
		public static final int DOCK_STATE_UNKNOWN = 0;

		/** @hide */
		public static final int DOCK_STATE_UNDOCKED = 1;

		/** @hide */
		public static final int DOCK_STATE_CHARGING = 2;

		/** @hide */
		public static final int DOCK_STATE_DOCKED = 3;

		/** @hide */
		public static final int DOCK_STATE_DISCHARGING = 4;

		// values of the "plugged" field in the ACTION_BATTERY_CHANGED intent.
		// These must be powers of 2.
		/** Power source is an AC charger. */

core/res/res/values/config.xml

+3 −0

Original line number	Diff line number	Diff line
		@@ -768,4 +768,7 @@
		<!-- Workaround for devices with broken keyboards -->
		<bool name="config_forceDisableHardwareKeyboard">false</bool>

		<!-- Asus dock compatibility disabled by default -->
		<bool name="config_hasDockBattery">false</bool>

		</resources>

services/java/com/android/server/BatteryService.java

+15 −0

Original line number	Diff line number	Diff line
		@@ -105,6 +105,10 @@ class BatteryService extends Binder {
		private boolean mBatteryLevelCritical;
		private int mInvalidCharger;

		private int mDockBatteryStatus;
		private int mDockBatteryLevel;
		private String mDockBatteryPresent;

		private int mLastBatteryStatus;
		private int mLastBatteryHealth;
		private boolean mLastBatteryPresent;
		@@ -117,6 +121,8 @@ class BatteryService extends Binder {
		private int mLowBatteryWarningLevel;
		private int mLowBatteryCloseWarningLevel;

		private boolean mHasDockBattery;

		private int mPlugType;
		private int mLastPlugType = -1; // Extra state so we can detect first run

		@@ -140,6 +146,9 @@ class BatteryService extends Binder {
		mLowBatteryCloseWarningLevel = mContext.getResources().getInteger(
		com.android.internal.R.integer.config_lowBatteryCloseWarningLevel);

		mHasDockBattery = mContext.getResources().getBoolean(
		com.android.internal.R.bool.config_hasDockBattery);

		mPowerSupplyObserver.startObserving("SUBSYSTEM=power_supply");

		// watch for invalid charger messages if the invalid_charger switch exists
		@@ -396,6 +405,12 @@ class BatteryService extends Binder {
		intent.putExtra(BatteryManager.EXTRA_TECHNOLOGY, mBatteryTechnology);
		intent.putExtra(BatteryManager.EXTRA_INVALID_CHARGER, mInvalidCharger);

		if (mHasDockBattery){
		intent.putExtra(BatteryManager.EXTRA_DOCK_STATUS, mDockBatteryStatus);
		intent.putExtra(BatteryManager.EXTRA_DOCK_LEVEL, mDockBatteryLevel);
		intent.putExtra(BatteryManager.EXTRA_DOCK_AC_ONLINE, false);
		}

		if (false) {
		Slog.d(TAG, "level:" + mBatteryLevel +
		" scale:" + BATTERY_SCALE + " status:" + mBatteryStatus +

services/jni/Android.mk

+4 −0

Original line number	Diff line number	Diff line
		@@ -41,6 +41,10 @@ ifeq ($(WITH_MALLOC_LEAK_CHECK),true)
		LOCAL_CFLAGS += -DMALLOC_LEAK_CHECK
		endif

		ifeq ($(TARGET_HAS_DOCK_BATTERY),true)
		LOCAL_CFLAGS += -DHAS_DOCK_BATTERY
		endif

		LOCAL_MODULE:= libandroid_servers

		include $(BUILD_SHARED_LIBRARY)

services/jni/com_android_server_BatteryService.cpp

+72 −0

Original line number	Diff line number	Diff line
		@@ -49,6 +49,11 @@ struct FieldIds {
		jfieldID mBatteryVoltage;
		jfieldID mBatteryTemperature;
		jfieldID mBatteryTechnology;
		#ifdef HAS_DOCK_BATTERY
		jfieldID mDockBatteryStatus;
		jfieldID mDockBatteryLevel;
		jfieldID mDockBatteryPresent;
		#endif
		};
		static FieldIds gFieldIds;

		@@ -65,6 +70,11 @@ struct BatteryManagerConstants {
		jint healthOverVoltage;
		jint healthUnspecifiedFailure;
		jint healthCold;
		#ifdef HAS_DOCK_BATTERY
		jint dockstatusCharging;
		jint dockstatusNotCharging;
		jint dockstatusUndocked;
		#endif
		};
		static BatteryManagerConstants gConstants;

		@@ -78,6 +88,11 @@ struct PowerSupplyPaths {
		char* batteryVoltagePath;
		char* batteryTemperaturePath;
		char* batteryTechnologyPath;
		#ifdef HAS_DOCK_BATTERY
		char* dockbatteryStatusPath;
		char* dockbatteryCapacityPath;
		char* dockbatteryPresentPath;
		#endif
		};
		static PowerSupplyPaths gPaths;

		@@ -99,6 +114,21 @@ static jint getBatteryStatus(const char* status)
		}
		}

		#ifdef HAS_DOCK_BATTERY
		static jint getDockBatteryStatus(const char* status)
		{
		switch (status[0]) {
		case 'C': return gConstants.dockstatusCharging; // Charging
		case 'N': return gConstants.dockstatusNotCharging; // Not charging

		default: {
		LOGW("Unknown battery status '%s'", status);
		return gConstants.dockstatusUndocked;
		}
		}
		}
		#endif

		static jint getBatteryHealth(const char* status)
		{
		switch (status[0]) {
		@@ -219,6 +249,10 @@ static void android_server_BatteryService_update(JNIEnv* env, jobject obj)
		setBooleanField(env, obj, gPaths.usbOnlinePath, gFieldIds.mUsbOnline);
		setBooleanField(env, obj, gPaths.batteryPresentPath, gFieldIds.mBatteryPresent);

		#ifdef HAS_DOCK_BATTERY
		setIntField(env, obj, gPaths.dockbatteryCapacityPath, gFieldIds.mDockBatteryLevel);
		#endif

		setPercentageField(env, obj, gPaths.batteryCapacityPath, gFieldIds.mBatteryLevel);
		setVoltageField(env, obj, gPaths.batteryVoltagePath, gFieldIds.mBatteryVoltage);
		setIntField(env, obj, gPaths.batteryTemperaturePath, gFieldIds.mBatteryTemperature);
		@@ -232,6 +266,14 @@ static void android_server_BatteryService_update(JNIEnv* env, jobject obj)
		env->SetIntField(obj, gFieldIds.mBatteryStatus,
		gConstants.statusUnknown);

		#ifdef HAS_DOCK_BATTERY
		if (readFromFile(gPaths.dockbatteryStatusPath, buf, SIZE) > 0)
		env->SetIntField(obj, gFieldIds.mDockBatteryStatus, getDockBatteryStatus(buf));
		else
		env->SetIntField(obj, gFieldIds.mDockBatteryStatus,
		gConstants.dockstatusUndocked);
		#endif

		if (readFromFile(gPaths.batteryHealthPath, buf, SIZE) > 0)
		env->SetIntField(obj, gFieldIds.mBatteryHealth, getBatteryHealth(buf));

		@@ -318,6 +360,19 @@ int register_android_server_BatteryService(JNIEnv* env)
		if (access(path, R_OK) == 0)
		gPaths.batteryTechnologyPath = strdup(path);
		}
		#ifdef HAS_DOCK_BATTERY
		else if(strcmp(buf, "DockBattery") == 0) {
		snprintf(path, sizeof(path), "%s/%s/status", POWER_SUPPLY_PATH, name);
		if (access(path, R_OK) == 0)
		gPaths.dockbatteryStatusPath = strdup(path);
		snprintf(path, sizeof(path), "%s/%s/capacity", POWER_SUPPLY_PATH, name);
		if (access(path, R_OK) == 0)
		gPaths.dockbatteryCapacityPath = strdup(path);
		snprintf(path, sizeof(path), "%s/%s/device/ec_dock", POWER_SUPPLY_PATH, name);
		if (access(path, R_OK) == 0)
		gPaths.dockbatteryPresentPath = strdup(path);
		}
		#endif
		}
		}
		closedir(dir);
		@@ -358,6 +413,12 @@ int register_android_server_BatteryService(JNIEnv* env)
		gFieldIds.mBatteryVoltage = env->GetFieldID(clazz, "mBatteryVoltage", "I");
		gFieldIds.mBatteryTemperature = env->GetFieldID(clazz, "mBatteryTemperature", "I");

		#ifdef HAS_DOCK_BATTERY
		gFieldIds.mDockBatteryStatus = env->GetFieldID(clazz, "mDockBatteryStatus", "I");
		gFieldIds.mDockBatteryLevel = env->GetFieldID(clazz, "mDockBatteryLevel", "I");
		gFieldIds.mDockBatteryPresent = env->GetFieldID(clazz, "mDockBatteryPresent", "Ljava/lang/String;");
		#endif

		LOG_FATAL_IF(gFieldIds.mAcOnline == NULL, "Unable to find BatteryService.AC_ONLINE_PATH");
		LOG_FATAL_IF(gFieldIds.mUsbOnline == NULL, "Unable to find BatteryService.USB_ONLINE_PATH");
		LOG_FATAL_IF(gFieldIds.mBatteryStatus == NULL, "Unable to find BatteryService.BATTERY_STATUS_PATH");
		@@ -411,6 +472,17 @@ int register_android_server_BatteryService(JNIEnv* env)
		gConstants.healthCold = env->GetStaticIntField(clazz,
		env->GetStaticFieldID(clazz, "BATTERY_HEALTH_COLD", "I"));

		#ifdef HAS_DOCK_BATTERY
		gConstants.dockstatusCharging = env->GetStaticIntField(clazz,
		env->GetStaticFieldID(clazz, "DOCK_STATE_CHARGING", "I"));

		gConstants.dockstatusNotCharging = env->GetStaticIntField(clazz,
		env->GetStaticFieldID(clazz, "DOCK_STATE_DISCHARGING", "I"));

		gConstants.dockstatusUndocked = env->GetStaticIntField(clazz,
		env->GetStaticFieldID(clazz, "DOCK_STATE_UNDOCKED", "I"));
		#endif

		return jniRegisterNativeMethods(env, "com/android/server/BatteryService", sMethods, NELEM(sMethods));
		}