diff options
author | Mike Lockwood <lockwood@android.com> | 2010-04-14 17:17:24 -0400 |
---|---|---|
committer | Mike Lockwood <lockwood@android.com> | 2010-04-14 19:38:26 -0400 |
commit | 04598b67a58fad93e5060bb77756ba4863013aed (patch) | |
tree | c9cb9c5a21a15743099c5c1200db29bca7d53963 /services | |
parent | f440b4aa7f95e7c82dd613e17f4344acf9e56f9e (diff) | |
download | frameworks_base-04598b67a58fad93e5060bb77756ba4863013aed.zip frameworks_base-04598b67a58fad93e5060bb77756ba4863013aed.tar.gz frameworks_base-04598b67a58fad93e5060bb77756ba4863013aed.tar.bz2 |
GPS: Support for GPS HAL managing its own scheduling
Also update to support new position mode API.
Change-Id: I00acc094d3e85bc5c0cd431af517064bfa8f2b1a
Signed-off-by: Mike Lockwood <lockwood@android.com>
Diffstat (limited to 'services')
-rwxr-xr-x | services/java/com/android/server/location/GpsLocationProvider.java | 95 | ||||
-rwxr-xr-x | services/jni/com_android_server_location_GpsLocationProvider.cpp | 38 |
2 files changed, 100 insertions, 33 deletions
diff --git a/services/java/com/android/server/location/GpsLocationProvider.java b/services/java/com/android/server/location/GpsLocationProvider.java index 742ee26..d6ad448 100755 --- a/services/java/com/android/server/location/GpsLocationProvider.java +++ b/services/java/com/android/server/location/GpsLocationProvider.java @@ -81,6 +81,10 @@ public class GpsLocationProvider implements LocationProviderInterface { private static final int GPS_POSITION_MODE_MS_BASED = 1; private static final int GPS_POSITION_MODE_MS_ASSISTED = 2; + // these need to match GpsPositionRecurrence enum in gps.h + private static final int GPS_POSITION_RECURRENCE_PERIODIC = 0; + private static final int GPS_POSITION_RECURRENCE_SINGLE = 1; + // these need to match GpsStatusValue defines in gps.h private static final int GPS_STATUS_NONE = 0; private static final int GPS_STATUS_SESSION_BEGIN = 1; @@ -119,6 +123,13 @@ public class GpsLocationProvider implements LocationProviderInterface { private static final int GPS_DELETE_CELLDB_INFO = 0x8000; private static final int GPS_DELETE_ALL = 0xFFFF; + // The GPS_CAPABILITY_* flags must match the values in gps.h + private static final int GPS_CAPABILITY_SCHEDULING = 0x0000001; + private static final int GPS_CAPABILITY_MSB = 0x0000002; + private static final int GPS_CAPABILITY_MSA = 0x0000004; + private static final int GPS_CAPABILITY_SINGLE_SHOT = 0x0000008; + + // these need to match AGpsType enum in gps.h private static final int AGPS_TYPE_SUPL = 1; private static final int AGPS_TYPE_C2K = 2; @@ -150,13 +161,13 @@ public class GpsLocationProvider implements LocationProviderInterface { private long mStatusUpdateTime = SystemClock.elapsedRealtime(); // turn off GPS fix icon if we haven't received a fix in 10 seconds - private static final long RECENT_FIX_TIMEOUT = 10; + private static final long RECENT_FIX_TIMEOUT = 10 * 1000; // number of fixes to receive before disabling GPS private static final int MIN_FIX_COUNT = 10; // stop trying if we do not receive a fix within 60 seconds - private static final int NO_FIX_TIMEOUT = 60; + private static final int NO_FIX_TIMEOUT = 60 * 1000; // true if we are enabled private volatile boolean mEnabled; @@ -175,8 +186,8 @@ public class GpsLocationProvider implements LocationProviderInterface { // true if GPS engine is on private boolean mEngineOn; - // requested frequency of fixes, in seconds - private int mFixInterval = 1; + // requested frequency of fixes, in milliseconds + private int mFixInterval = 1000; // number of fixes we have received since we started navigating private int mFixCount; @@ -184,6 +195,9 @@ public class GpsLocationProvider implements LocationProviderInterface { // true if we started navigation private boolean mStarted; + // capabilities of the GPS engine + private int mEngineCapabilities; + // for calculating time to first fix private long mFixRequestTime = 0; // time to first fix for most recent session @@ -191,6 +205,8 @@ public class GpsLocationProvider implements LocationProviderInterface { // time we received our last fix private long mLastFixTime; + private int mPositionMode; + // properties loaded from PROPERTIES_FILE private Properties mProperties; private String mNtpServer; @@ -717,8 +733,10 @@ public class GpsLocationProvider implements LocationProviderInterface { mLastFixTime = 0; startNavigating(); } else { - mAlarmManager.cancel(mWakeupIntent); - mAlarmManager.cancel(mTimeoutIntent); + if (!hasCapability(GPS_CAPABILITY_SCHEDULING)) { + mAlarmManager.cancel(mWakeupIntent); + mAlarmManager.cancel(mTimeoutIntent); + } stopNavigating(); } } @@ -727,11 +745,14 @@ public class GpsLocationProvider implements LocationProviderInterface { if (DEBUG) Log.d(TAG, "setMinTime " + minTime); if (minTime >= 0) { - int interval = (int)(minTime/1000); - if (interval < 1) { - interval = 1; + mFixInterval = (int)minTime; + + if (mStarted && hasCapability(GPS_CAPABILITY_SCHEDULING)) { + if (!native_set_position_mode(mPositionMode, GPS_POSITION_RECURRENCE_PERIODIC, + mFixInterval, 0, 0)) { + Log.e(TAG, "set_position_mode failed in setMinTime()"); + } } - mFixInterval = interval; } } @@ -871,15 +892,22 @@ public class GpsLocationProvider implements LocationProviderInterface { if (!mStarted) { if (DEBUG) Log.d(TAG, "startNavigating"); mStarted = true; - int positionMode; - if (Settings.Secure.getInt(mContext.getContentResolver(), + if (hasCapability(GPS_CAPABILITY_MSB) && + Settings.Secure.getInt(mContext.getContentResolver(), Settings.Secure.ASSISTED_GPS_ENABLED, 1) != 0) { - positionMode = GPS_POSITION_MODE_MS_BASED; + mPositionMode = GPS_POSITION_MODE_MS_BASED; } else { - positionMode = GPS_POSITION_MODE_STANDALONE; + mPositionMode = GPS_POSITION_MODE_STANDALONE; } - if (!native_start(positionMode, false, 1)) { + int interval = (hasCapability(GPS_CAPABILITY_SCHEDULING) ? mFixInterval : 1000); + if (!native_set_position_mode(mPositionMode, GPS_POSITION_RECURRENCE_PERIODIC, + interval, 0, 0)) { + mStarted = false; + Log.e(TAG, "set_position_mode failed in startNavigating()"); + return; + } + if (!native_start()) { mStarted = false; Log.e(TAG, "native_start failed in startNavigating()"); return; @@ -889,11 +917,13 @@ public class GpsLocationProvider implements LocationProviderInterface { updateStatus(LocationProvider.TEMPORARILY_UNAVAILABLE, 0); mFixCount = 0; mFixRequestTime = System.currentTimeMillis(); - // set timer to give up if we do not receive a fix within NO_FIX_TIMEOUT - // and our fix interval is not short - if (mFixInterval >= NO_FIX_TIMEOUT) { - mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, - SystemClock.elapsedRealtime() + NO_FIX_TIMEOUT * 1000, mTimeoutIntent); + if (!hasCapability(GPS_CAPABILITY_SCHEDULING)) { + // set timer to give up if we do not receive a fix within NO_FIX_TIMEOUT + // and our fix interval is not short + if (mFixInterval >= NO_FIX_TIMEOUT) { + mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, + SystemClock.elapsedRealtime() + NO_FIX_TIMEOUT, mTimeoutIntent); + } } } } @@ -920,7 +950,11 @@ public class GpsLocationProvider implements LocationProviderInterface { mAlarmManager.cancel(mWakeupIntent); long now = SystemClock.elapsedRealtime(); mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, - SystemClock.elapsedRealtime() + mFixInterval * 1000, mWakeupIntent); + SystemClock.elapsedRealtime() + mFixInterval, mWakeupIntent); + } + + private boolean hasCapability(int capability) { + return ((mEngineCapabilities & capability) != 0); } /** @@ -992,7 +1026,7 @@ public class GpsLocationProvider implements LocationProviderInterface { if (mStarted && mStatus != LocationProvider.AVAILABLE) { // we still want to time out if we do not receive MIN_FIX_COUNT // within the time out and we are requesting infrequent fixes - if (mFixInterval < NO_FIX_TIMEOUT) { + if (!hasCapability(GPS_CAPABILITY_SCHEDULING) && mFixInterval < NO_FIX_TIMEOUT) { mAlarmManager.cancel(mTimeoutIntent); } @@ -1003,7 +1037,8 @@ public class GpsLocationProvider implements LocationProviderInterface { updateStatus(LocationProvider.AVAILABLE, mSvCount); } - if (mFixCount++ >= MIN_FIX_COUNT && mFixInterval > 1) { + if (!hasCapability(GPS_CAPABILITY_SCHEDULING) && + mFixCount++ >= MIN_FIX_COUNT && mFixInterval > 1000) { if (DEBUG) Log.d(TAG, "exceeded MIN_FIX_COUNT"); hibernate(); } @@ -1117,7 +1152,7 @@ public class GpsLocationProvider implements LocationProviderInterface { updateStatus(mStatus, svCount); if (mNavigating && mStatus == LocationProvider.AVAILABLE && mLastFixTime > 0 && - System.currentTimeMillis() - mLastFixTime > RECENT_FIX_TIMEOUT * 1000) { + System.currentTimeMillis() - mLastFixTime > RECENT_FIX_TIMEOUT) { // send an intent to notify that the GPS is no longer receiving fixes. Intent intent = new Intent(LocationManager.GPS_FIX_CHANGE_ACTION); intent.putExtra(LocationManager.EXTRA_GPS_ENABLED, false); @@ -1195,6 +1230,13 @@ public class GpsLocationProvider implements LocationProviderInterface { } /** + * called from native code to inform us what the GPS engine capabilities are + */ + private void setEngineCapabilities(int capabilities) { + mEngineCapabilities = capabilities; + } + + /** * called from native code to request XTRA data */ private void xtraDownloadRequest() { @@ -1417,9 +1459,10 @@ public class GpsLocationProvider implements LocationProviderInterface { private native boolean native_init(); private native void native_disable(); private native void native_cleanup(); - private native boolean native_start(int positionMode, boolean singleFix, int fixInterval); + private native boolean native_set_position_mode(int mode, int recurrence, int min_interval, + int preferred_accuracy, int preferred_time); + private native boolean native_start(); private native boolean native_stop(); - private native void native_set_fix_frequency(int fixFrequency); private native void native_delete_aiding_data(int flags); private native void native_wait_for_event(); // returns number of SVs diff --git a/services/jni/com_android_server_location_GpsLocationProvider.cpp b/services/jni/com_android_server_location_GpsLocationProvider.cpp index 20c8924..afd6ca8 100755 --- a/services/jni/com_android_server_location_GpsLocationProvider.cpp +++ b/services/jni/com_android_server_location_GpsLocationProvider.cpp @@ -36,6 +36,7 @@ static jmethodID method_reportStatus; static jmethodID method_reportSvStatus; static jmethodID method_reportAGpsStatus; static jmethodID method_reportNmea; +static jmethodID method_setEngineCapabilities; static jmethodID method_xtraDownloadRequest; static jmethodID method_reportNiNotification; @@ -72,6 +73,8 @@ static GpsSvStatus sGpsSvStatusCopy; static AGpsStatus sAGpsStatusCopy; static NmeaSentence sNmeaBufferCopy[NMEA_SENTENCE_COUNT]; static GpsNiNotification sGpsNiNotificationCopy; +static uint32_t sEngineCapabilities; + enum CallbackType { kLocation = 1, @@ -82,6 +85,7 @@ enum CallbackType { kDisableRequest = 32, kNmeaAvailable = 64, kNiNotification = 128, + kSetCapabilities = 256, }; static int sPendingCallbacks; @@ -144,6 +148,19 @@ static void nmea_callback(GpsUtcTime timestamp, const char* nmea, int length) pthread_mutex_unlock(&sEventMutex); } +static void set_capabilities_callback(uint32_t capabilities) +{ + LOGD("set_capabilities_callback: %08X", capabilities); + + pthread_mutex_lock(&sEventMutex); + + sPendingCallbacks |= kSetCapabilities; + sEngineCapabilities = capabilities; + + pthread_cond_signal(&sEventCond); + pthread_mutex_unlock(&sEventMutex); +} + static void acquire_wakelock_callback() { acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_NAME); @@ -171,6 +188,7 @@ GpsCallbacks sGpsCallbacks = { status_callback, sv_status_callback, nmea_callback, + set_capabilities_callback, acquire_wakelock_callback, release_wakelock_callback, }; @@ -216,6 +234,7 @@ static void android_location_GpsLocationProvider_class_init_native(JNIEnv* env, method_reportSvStatus = env->GetMethodID(clazz, "reportSvStatus", "()V"); method_reportAGpsStatus = env->GetMethodID(clazz, "reportAGpsStatus", "(II)V"); method_reportNmea = env->GetMethodID(clazz, "reportNmea", "(IJ)V"); + method_setEngineCapabilities = env->GetMethodID(clazz, "setEngineCapabilities", "(I)V"); method_xtraDownloadRequest = env->GetMethodID(clazz, "xtraDownloadRequest", "()V"); method_reportNiNotification = env->GetMethodID(clazz, "reportNiNotification", "(IIIIILjava/lang/String;Ljava/lang/String;IILjava/lang/String;)V"); } @@ -280,14 +299,15 @@ static void android_location_GpsLocationProvider_cleanup(JNIEnv* env, jobject ob sGpsInterface->cleanup(); } -static jboolean android_location_GpsLocationProvider_start(JNIEnv* env, jobject obj, jint positionMode, - jboolean singleFix, jint fixFrequency) +static jboolean android_location_GpsLocationProvider_set_position_mode(JNIEnv* env, jobject obj, + jint mode, jint recurrence, jint min_interval, jint preferred_accuracy, jint preferred_time) { - int result = sGpsInterface->set_position_mode(positionMode, (singleFix ? 0 : fixFrequency)); - if (result) { - return false; - } + return (sGpsInterface->set_position_mode(mode, recurrence, min_interval, preferred_accuracy, + preferred_time) == 0); +} +static jboolean android_location_GpsLocationProvider_start(JNIEnv* env, jobject obj) +{ return (sGpsInterface->start() == 0); } @@ -375,6 +395,9 @@ static void android_location_GpsLocationProvider_wait_for_event(JNIEnv* env, job extras ); } + if (pendingCallbacks & kSetCapabilities) { + env->CallVoidMethod(obj, method_setEngineCapabilities, sEngineCapabilities); + } } static jint android_location_GpsLocationProvider_read_sv_status(JNIEnv* env, jobject obj, @@ -539,7 +562,8 @@ static JNINativeMethod sMethods[] = { {"native_init", "()Z", (void*)android_location_GpsLocationProvider_init}, {"native_disable", "()V", (void*)android_location_GpsLocationProvider_disable}, {"native_cleanup", "()V", (void*)android_location_GpsLocationProvider_cleanup}, - {"native_start", "(IZI)Z", (void*)android_location_GpsLocationProvider_start}, + {"native_set_position_mode", "(IIIII)Z", (void*)android_location_GpsLocationProvider_set_position_mode}, + {"native_start", "()Z", (void*)android_location_GpsLocationProvider_start}, {"native_stop", "()Z", (void*)android_location_GpsLocationProvider_stop}, {"native_delete_aiding_data", "(I)V", (void*)android_location_GpsLocationProvider_delete_aiding_data}, {"native_wait_for_event", "()V", (void*)android_location_GpsLocationProvider_wait_for_event}, |