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Surface reportingMode for Sensors. 

Change-Id: Iac8dd3408c90eb7d285a2e8043131fab3a7e58fa
This commit is contained in:
Aravind Akella 2014-06-03 19:19:57 -07:00
parent 87947be618
commit 0e025c5af3
4 changed files with 116 additions and 52 deletions
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15
include/android/sensor.h
View File

@ -73,6 +73,16 @@ enum {
ASENSOR_STATUS_ACCURACY_HIGH = 3
};
/*
* Sensor Reporting Modes.
*/
enum {
AREPORTING_MODE_CONTINUOUS = 0,
AREPORTING_MODE_ON_CHANGE = 1,
AREPORTING_MODE_ONE_SHOT = 2,
AREPORTING_MODE_SPECIAL_TRIGGER = 3
};
/*
* A few useful constants
*/
@ -306,6 +316,11 @@ int ASensor_getFifoReservedEventCount(ASensor const* sensor);
*/
const char* ASensor_getStringType(ASensor const* sensor);
/*
* Returns the reporting mode for this sensor. One of AREPORTING_MODE_* constants.
*/
int ASensor_getReportingMode(ASensor const* sensor);
#ifdef __cplusplus
};
#endif

4
include/gui/Sensor.h
View File

@ -72,7 +72,9 @@ public:
const String8& getStringType() const;
const String8& getRequiredPermission() const;
int32_t getMaxDelay() const;
int32_t getFlags() const;
bool isWakeUpSensor() const;
int32_t getReportingMode() const;
// LightFlattenable protocol
inline bool isFixedSize() const { return false; }
@ -96,7 +98,7 @@ private:
String8 mStringType;
String8 mRequiredPermission;
int32_t mMaxDelay;
bool mWakeUpSensor;
int32_t mFlags;
static void flattenString8(void*& buffer, size_t& size, const String8& string8);
static bool unflattenString8(void const*& buffer, size_t& size, String8& outputString8);
};

106
libs/gui/Sensor.cpp
View File

@ -35,7 +35,7 @@ Sensor::Sensor()
: mHandle(0), mType(0),
mMinValue(0), mMaxValue(0), mResolution(0),
mPower(0), mMinDelay(0), mFifoReservedEventCount(0), mFifoMaxEventCount(0),
mMaxDelay(0), mWakeUpSensor(false)
mMaxDelay(0), mFlags(0)
{
}
@ -51,7 +51,7 @@ Sensor::Sensor(struct sensor_t const* hwSensor, int halVersion)
mResolution = hwSensor->resolution;
mPower = hwSensor->power;
mMinDelay = hwSensor->minDelay;
mWakeUpSensor = false;
mFlags = 0;
// Set fifo event count zero for older devices which do not support batching. Fused
// sensors also have their fifo counts set to zero.
@ -77,154 +77,177 @@ Sensor::Sensor(struct sensor_t const* hwSensor, int halVersion)
mMaxDelay = 0;
}
// Ensure existing sensors have correct string type and required
// permissions.
// Ensure existing sensors have correct string type, required permissions and reporting mode.
switch (mType) {
case SENSOR_TYPE_ACCELEROMETER:
mStringType = SENSOR_STRING_TYPE_ACCELEROMETER;
mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
break;
case SENSOR_TYPE_AMBIENT_TEMPERATURE:
mStringType = SENSOR_STRING_TYPE_AMBIENT_TEMPERATURE;
mFlags |= SENSOR_FLAG_ON_CHANGE_MODE;
break;
case SENSOR_TYPE_GAME_ROTATION_VECTOR:
mStringType = SENSOR_STRING_TYPE_GAME_ROTATION_VECTOR;
mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
break;
case SENSOR_TYPE_GEOMAGNETIC_ROTATION_VECTOR:
mStringType = SENSOR_STRING_TYPE_GEOMAGNETIC_ROTATION_VECTOR;
mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
break;
case SENSOR_TYPE_GRAVITY:
mStringType = SENSOR_STRING_TYPE_GRAVITY;
mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
break;
case SENSOR_TYPE_GYROSCOPE:
mStringType = SENSOR_STRING_TYPE_GYROSCOPE;
mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
break;
case SENSOR_TYPE_GYROSCOPE_UNCALIBRATED:
mStringType = SENSOR_STRING_TYPE_GYROSCOPE_UNCALIBRATED;
mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
break;
case SENSOR_TYPE_HEART_RATE:
mStringType = SENSOR_STRING_TYPE_HEART_RATE;
mRequiredPermission = SENSOR_PERMISSION_BODY_SENSORS;
mFlags |= SENSOR_FLAG_ON_CHANGE_MODE;
break;
case SENSOR_TYPE_LIGHT:
mStringType = SENSOR_STRING_TYPE_LIGHT;
mFlags |= SENSOR_FLAG_ON_CHANGE_MODE;
break;
case SENSOR_TYPE_LINEAR_ACCELERATION:
mStringType = SENSOR_STRING_TYPE_LINEAR_ACCELERATION;
mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
break;
case SENSOR_TYPE_MAGNETIC_FIELD:
mStringType = SENSOR_STRING_TYPE_MAGNETIC_FIELD;
mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
break;
case SENSOR_TYPE_MAGNETIC_FIELD_UNCALIBRATED:
mStringType = SENSOR_STRING_TYPE_MAGNETIC_FIELD_UNCALIBRATED;
mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
break;
case SENSOR_TYPE_ORIENTATION:
mStringType = SENSOR_STRING_TYPE_ORIENTATION;
mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
break;
case SENSOR_TYPE_PRESSURE:
mStringType = SENSOR_STRING_TYPE_PRESSURE;
mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
break;
case SENSOR_TYPE_PROXIMITY:
mStringType = SENSOR_STRING_TYPE_PROXIMITY;
mWakeUpSensor = true;
mFlags |= (SENSOR_FLAG_ON_CHANGE_MODE | SENSOR_FLAG_WAKE_UP);
break;
case SENSOR_TYPE_RELATIVE_HUMIDITY:
mStringType = SENSOR_STRING_TYPE_RELATIVE_HUMIDITY;
mFlags |= SENSOR_FLAG_ON_CHANGE_MODE;
break;
case SENSOR_TYPE_ROTATION_VECTOR:
mStringType = SENSOR_STRING_TYPE_ROTATION_VECTOR;
mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
break;
case SENSOR_TYPE_SIGNIFICANT_MOTION:
mStringType = SENSOR_STRING_TYPE_SIGNIFICANT_MOTION;
mWakeUpSensor = true;
mFlags |= (SENSOR_FLAG_ONE_SHOT_MODE | SENSOR_FLAG_WAKE_UP);
break;
case SENSOR_TYPE_STEP_COUNTER:
mStringType = SENSOR_STRING_TYPE_STEP_COUNTER;
mFlags |= SENSOR_FLAG_ON_CHANGE_MODE;
break;
case SENSOR_TYPE_STEP_DETECTOR:
mStringType = SENSOR_STRING_TYPE_STEP_DETECTOR;
mFlags |= SENSOR_FLAG_SPECIAL_REPORTING_MODE;
break;
case SENSOR_TYPE_TEMPERATURE:
mStringType = SENSOR_STRING_TYPE_TEMPERATURE;
mFlags |= SENSOR_FLAG_ON_CHANGE_MODE;
break;
case SENSOR_TYPE_NON_WAKE_UP_PROXIMITY_SENSOR:
mStringType = SENSOR_STRING_TYPE_NON_WAKE_UP_PROXIMITY_SENSOR;
mFlags |= SENSOR_FLAG_ON_CHANGE_MODE;
break;
case SENSOR_TYPE_WAKE_UP_ACCELEROMETER:
mStringType = SENSOR_STRING_TYPE_WAKE_UP_ACCELEROMETER;
mWakeUpSensor = true;
mFlags |= (SENSOR_FLAG_CONTINUOUS_MODE | SENSOR_FLAG_WAKE_UP);
break;
case SENSOR_TYPE_WAKE_UP_MAGNETIC_FIELD:
mStringType = SENSOR_STRING_TYPE_WAKE_UP_MAGNETIC_FIELD;
mWakeUpSensor = true;
mFlags |= (SENSOR_FLAG_CONTINUOUS_MODE | SENSOR_FLAG_WAKE_UP);
break;
case SENSOR_TYPE_WAKE_UP_ORIENTATION:
mStringType = SENSOR_STRING_TYPE_WAKE_UP_ORIENTATION;
mWakeUpSensor = true;
mFlags |= (SENSOR_FLAG_CONTINUOUS_MODE | SENSOR_FLAG_WAKE_UP);
break;
case SENSOR_TYPE_WAKE_UP_GYROSCOPE:
mStringType = SENSOR_STRING_TYPE_WAKE_UP_GYROSCOPE;
mWakeUpSensor = true;
mFlags |= (SENSOR_FLAG_CONTINUOUS_MODE | SENSOR_FLAG_WAKE_UP);
break;
case SENSOR_TYPE_WAKE_UP_LIGHT:
mStringType = SENSOR_STRING_TYPE_WAKE_UP_LIGHT;
mWakeUpSensor = true;
mFlags |= (SENSOR_FLAG_ON_CHANGE_MODE | SENSOR_FLAG_WAKE_UP);
break;
case SENSOR_TYPE_WAKE_UP_PRESSURE:
mStringType = SENSOR_STRING_TYPE_WAKE_UP_PRESSURE;
mWakeUpSensor = true;
mFlags |= (SENSOR_FLAG_CONTINUOUS_MODE | SENSOR_FLAG_WAKE_UP);
break;
case SENSOR_TYPE_WAKE_UP_GRAVITY:
mStringType = SENSOR_STRING_TYPE_WAKE_UP_GRAVITY;
mWakeUpSensor = true;
mFlags |= (SENSOR_FLAG_CONTINUOUS_MODE | SENSOR_FLAG_WAKE_UP);
break;
case SENSOR_TYPE_WAKE_UP_LINEAR_ACCELERATION:
mStringType = SENSOR_STRING_TYPE_WAKE_UP_LINEAR_ACCELERATION;
mWakeUpSensor = true;
mFlags |= (SENSOR_FLAG_CONTINUOUS_MODE | SENSOR_FLAG_WAKE_UP);
break;
case SENSOR_TYPE_WAKE_UP_ROTATION_VECTOR:
mStringType = SENSOR_STRING_TYPE_WAKE_UP_ROTATION_VECTOR;
mWakeUpSensor = true;
mFlags |= (SENSOR_FLAG_CONTINUOUS_MODE | SENSOR_FLAG_WAKE_UP);
break;
case SENSOR_TYPE_WAKE_UP_RELATIVE_HUMIDITY:
mStringType = SENSOR_STRING_TYPE_WAKE_UP_RELATIVE_HUMIDITY;
mWakeUpSensor = true;
mFlags |= (SENSOR_FLAG_SPECIAL_REPORTING_MODE | SENSOR_FLAG_WAKE_UP);
break;
case SENSOR_TYPE_WAKE_UP_AMBIENT_TEMPERATURE:
mStringType = SENSOR_STRING_TYPE_WAKE_UP_AMBIENT_TEMPERATURE;
mWakeUpSensor = true;
mFlags |= (SENSOR_FLAG_ON_CHANGE_MODE | SENSOR_FLAG_WAKE_UP);
break;
case SENSOR_TYPE_WAKE_UP_MAGNETIC_FIELD_UNCALIBRATED:
mStringType = SENSOR_STRING_TYPE_WAKE_UP_MAGNETIC_FIELD_UNCALIBRATED;
mWakeUpSensor = true;
mFlags |= (SENSOR_FLAG_CONTINUOUS_MODE | SENSOR_FLAG_WAKE_UP);
break;
case SENSOR_TYPE_WAKE_UP_GAME_ROTATION_VECTOR:
mStringType = SENSOR_STRING_TYPE_WAKE_UP_GAME_ROTATION_VECTOR;
mWakeUpSensor = true;
mFlags |= (SENSOR_FLAG_CONTINUOUS_MODE | SENSOR_FLAG_WAKE_UP);
break;
case SENSOR_TYPE_WAKE_UP_GYROSCOPE_UNCALIBRATED:
mStringType = SENSOR_STRING_TYPE_WAKE_UP_GYROSCOPE_UNCALIBRATED;
mWakeUpSensor = true;
mFlags |= (SENSOR_FLAG_CONTINUOUS_MODE | SENSOR_FLAG_WAKE_UP);
break;
case SENSOR_TYPE_WAKE_UP_STEP_DETECTOR:
mStringType = SENSOR_STRING_TYPE_WAKE_UP_STEP_DETECTOR;
mWakeUpSensor = true;
mFlags |= (SENSOR_FLAG_SPECIAL_REPORTING_MODE | SENSOR_FLAG_WAKE_UP);
break;
case SENSOR_TYPE_WAKE_UP_STEP_COUNTER:
mStringType = SENSOR_STRING_TYPE_WAKE_UP_STEP_COUNTER;
mWakeUpSensor = true;
mFlags |= (SENSOR_FLAG_ON_CHANGE_MODE | SENSOR_FLAG_WAKE_UP);
break;
case SENSOR_TYPE_WAKE_UP_GEOMAGNETIC_ROTATION_VECTOR:
mStringType = SENSOR_STRING_TYPE_WAKE_UP_GEOMAGNETIC_ROTATION_VECTOR;
mWakeUpSensor = true;
mFlags |= (SENSOR_FLAG_CONTINUOUS_MODE | SENSOR_FLAG_WAKE_UP);
break;
case SENSOR_TYPE_WAKE_UP_HEART_RATE:
mStringType = SENSOR_STRING_TYPE_WAKE_UP_HEART_RATE;
mRequiredPermission = SENSOR_PERMISSION_BODY_SENSORS;
mWakeUpSensor = true;
mFlags |= (SENSOR_FLAG_ON_CHANGE_MODE | SENSOR_FLAG_WAKE_UP);
break;
case SENSOR_TYPE_WAKE_UP_TILT_DETECTOR:
mStringType = SENSOR_STRING_TYPE_WAKE_UP_TILT_DETECTOR;
mFlags |= (SENSOR_FLAG_SPECIAL_REPORTING_MODE | SENSOR_FLAG_WAKE_UP);
break;
case SENSOR_TYPE_WAKE_GESTURE:
mStringType = SENSOR_STRING_TYPE_WAKE_GESTURE;
mWakeUpSensor = true;
mFlags |= (SENSOR_FLAG_ONE_SHOT_MODE | SENSOR_FLAG_WAKE_UP);
break;
default:
// Only pipe the stringType, requiredPermission and flags for custom sensors.
@ -234,8 +257,19 @@ Sensor::Sensor(struct sensor_t const* hwSensor, int halVersion)
if (halVersion >= SENSORS_DEVICE_API_VERSION_1_2 && hwSensor->requiredPermission) {
mRequiredPermission = hwSensor->requiredPermission;
}
if (halVersion >= SENSORS_DEVICE_API_VERSION_1_3) {
mWakeUpSensor = hwSensor->flags & SENSOR_FLAG_WAKE_UP;
mFlags = (int32_t) hwSensor->flags;
} else {
// This is an OEM defined sensor on an older HAL. Use minDelay to determine the
// reporting mode of the sensor.
if (mMinDelay > 0) {
mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
} else if (mMinDelay == 0) {
mFlags |= SENSOR_FLAG_ON_CHANGE_MODE;
} else if (mMinDelay < 0) {
mFlags |= SENSOR_FLAG_ONE_SHOT_MODE;
}
}
break;
}
@ -309,8 +343,16 @@ int32_t Sensor::getMaxDelay() const {
return mMaxDelay;
}
int32_t Sensor::getFlags() const {
return mFlags;
}
bool Sensor::isWakeUpSensor() const {
return mWakeUpSensor;
return mFlags & SENSOR_FLAG_WAKE_UP;
}
int32_t Sensor::getReportingMode() const {
return ((mFlags & REPORTING_MODE_MASK) >> REPORTING_MODE_SHIFT);
}
size_t Sensor::getFlattenedSize() const
@ -318,8 +360,7 @@ size_t Sensor::getFlattenedSize() const
size_t fixedSize =
sizeof(int32_t) * 3 +
sizeof(float) * 4 +
sizeof(int32_t) * 4 +
sizeof(bool) * 1;
sizeof(int32_t) * 5;
size_t variableSize =
sizeof(uint32_t) + FlattenableUtils::align<4>(mName.length()) +
@ -350,7 +391,7 @@ status_t Sensor::flatten(void* buffer, size_t size) const {
flattenString8(buffer, size, mStringType);
flattenString8(buffer, size, mRequiredPermission);
FlattenableUtils::write(buffer, size, mMaxDelay);
FlattenableUtils::write(buffer, size, mWakeUpSensor);
FlattenableUtils::write(buffer, size, mFlags);
return NO_ERROR;
}
@ -365,8 +406,7 @@ status_t Sensor::unflatten(void const* buffer, size_t size) {
size_t fixedSize =
sizeof(int32_t) * 3 +
sizeof(float) * 4 +
sizeof(int32_t) * 4 +
sizeof(bool) * 1;
sizeof(int32_t) * 5;
if (size < fixedSize) {
return NO_MEMORY;
}
@ -389,7 +429,7 @@ status_t Sensor::unflatten(void const* buffer, size_t size) {
return NO_MEMORY;
}
FlattenableUtils::read(buffer, size, mMaxDelay);
FlattenableUtils::read(buffer, size, mWakeUpSensor);
FlattenableUtils::read(buffer, size, mFlags);
return NO_ERROR;
}

43
services/sensorservice/SensorService.cpp
View File

@ -223,14 +223,23 @@ status_t SensorService::dump(int fd, const Vector<String16>& /*args*/)
s.getHandle(),
s.getRequiredPermission().string());
if (s.getMinDelay() > 0) {
result.appendFormat(
"maxRate=%7.2fHz | ", 1e6f / s.getMinDelay());
const int reportingMode = s.getReportingMode();
if (reportingMode == AREPORTING_MODE_CONTINUOUS) {
result.append("continuous |");
} else if (reportingMode == AREPORTING_MODE_ON_CHANGE) {
result.append("on-change | ");
} else if (reportingMode == AREPORTING_MODE_ONE_SHOT) {
result.append("one-shot | ");
} else {
result.append(s.getMinDelay() == 0
? "on-demand | "
: "one-shot | ");
result.append("special-trigger | ");
}
if (s.getMinDelay() > 0) {
result.appendFormat("maxRate=%7.2fHz | ", 1e6f / s.getMinDelay());
} else {
result.appendFormat("minDelay=%5dus |", s.getMinDelay());
}
if (s.getFifoMaxEventCount() > 0) {
result.appendFormat("FifoMax=%d events | ",
s.getFifoMaxEventCount());
@ -301,17 +310,15 @@ status_t SensorService::dump(int fd, const Vector<String16>& /*args*/)
void SensorService::cleanupAutoDisabledSensorLocked(const sp<SensorEventConnection>& connection,
sensors_event_t const* buffer, const int count) {
SensorInterface* sensor;
status_t err = NO_ERROR;
for (int i=0 ; i<count ; i++) {
int handle = buffer[i].sensor;
int type = buffer[i].type;
if (type == SENSOR_TYPE_SIGNIFICANT_MOTION) {
if (connection->hasSensor(handle)) {
sensor = mSensorMap.valueFor(handle);
if (sensor != NULL) {
sensor->autoDisable(connection.get(), handle);
}
if (connection->hasSensor(handle)) {
SensorInterface* sensor = mSensorMap.valueFor(handle);
// If this buffer has an event from a one_shot sensor and this connection is registered
// for this particular one_shot sensor, try cleaning up the connection.
if (sensor != NULL &&
sensor->getSensor().getReportingMode() == AREPORTING_MODE_ONE_SHOT) {
sensor->autoDisable(connection.get(), handle);
cleanupWithoutDisableLocked(connection, handle);
}
}
@ -588,7 +595,7 @@ status_t SensorService::enable(const sp<SensorEventConnection>& connection,
// this sensor is already activated, but we are adding a connection that uses it.
// Immediately send down the last known value of the requested sensor if it's not a
// "continuous" sensor.
if (sensor->getSensor().getMinDelay() == 0) {
if (sensor->getSensor().getReportingMode() == AREPORTING_MODE_ON_CHANGE) {
// NOTE: The wake_up flag of this event may get set to
// WAKE_UP_SENSOR_EVENT_NEEDS_ACK if this is a wake_up event.
sensors_event_t& event(mLastEventSeen.editValueFor(handle));
@ -732,8 +739,8 @@ status_t SensorService::flushSensor(const sp<SensorEventConnection>& connection,
return BAD_VALUE;
}
if (sensor->getSensor().getType() == SENSOR_TYPE_SIGNIFICANT_MOTION) {
ALOGE("flush called on Significant Motion sensor");
if (sensor->getSensor().getReportingMode() == AREPORTING_MODE_ONE_SHOT) {
ALOGE("flush called on a one-shot sensor");
return INVALID_OPERATION;
}
return sensor->flush(connection.get(), handle);