Sensor batching. Changes to the native code. (724d91d7) · Commits · e / os / platform_frameworks_native

include/android/sensor.h

+28 −1

Original line number	Diff line number	Diff line
		@@ -106,6 +106,30 @@ typedef struct ASensorVector {
		uint8_t reserved[3];
		} ASensorVector;

		typedef struct AMetaDataEvent {
		int32_t what;
		int32_t sensor;
		} AMetaDataEvent;

		typedef struct AUncalibratedEvent {
		union {
		float uncalib[3];
		struct {
		float x_uncalib;
		float y_uncalib;
		float z_uncalib;
		};
		};
		union {
		float bias[3];
		struct {
		float x_bias;
		float y_bias;
		float z_bias;
		};
		};
		} AUncalibratedEvent;

		/* NOTE: Must match hardware/sensors.h */
		typedef struct ASensorEvent {
		int32_t version; /* sizeof(struct ASensorEvent) */
		@@ -123,6 +147,10 @@ typedef struct ASensorEvent {
		float distance;
		float light;
		float pressure;
		float relative_humidity;
		AUncalibratedEvent uncalibrated_gyro;
		AUncalibratedEvent uncalibrated_magnetic;
		AMetaDataEvent meta_data;
		};
		union {
		uint64_t data[8];
		@@ -132,7 +160,6 @@ typedef struct ASensorEvent {
		int32_t reserved1[4];
		} ASensorEvent;


		struct ASensorManager;
		typedef struct ASensorManager ASensorManager;

include/gui/ISensorEventConnection.h

+3 −1

Original line number	Diff line number	Diff line
		@@ -36,8 +36,10 @@ public:
		DECLARE_META_INTERFACE(SensorEventConnection);

		virtual sp<BitTube> getSensorChannel() const = 0;
		virtual status_t enableDisable(int handle, bool enabled) = 0;
		virtual status_t enableDisable(int handle, bool enabled, nsecs_t samplingPeriodNs,
		nsecs_t maxBatchReportLatencyNs, int reservedFlags) = 0;
		virtual status_t setEventRate(int handle, nsecs_t ns) = 0;
		virtual status_t flushSensor(int handle) = 0;
		};

		// ----------------------------------------------------------------------------

include/gui/Sensor.h

+5 −1

Original line number	Diff line number	Diff line
		@@ -53,7 +53,7 @@ public:
		};

		Sensor();
		Sensor(struct sensor_t const* hwSensor);
		Sensor(struct sensor_t const* hwSensor, int halVersion = 0);
		~Sensor();

		const String8& getName() const;
		@@ -67,6 +67,8 @@ public:
		int32_t getMinDelay() const;
		nsecs_t getMinDelayNs() const;
		int32_t getVersion() const;
		int32_t getFifoReservedEventCount() const;
		int32_t getFifoMaxEventCount() const;

		// LightFlattenable protocol
		inline bool isFixedSize() const { return false; }
		@@ -85,6 +87,8 @@ private:
		float mPower;
		int32_t mMinDelay;
		int32_t mVersion;
		int32_t mFifoReservedEventCount;
		int32_t mFifoMaxEventCount;
		};

		// ----------------------------------------------------------------------------

include/gui/SensorEventQueue.h

+3 −1

Original line number	Diff line number	Diff line
		@@ -68,8 +68,10 @@ public:
		status_t setEventRate(Sensor const* sensor, nsecs_t ns) const;

		// these are here only to support SensorManager.java
		status_t enableSensor(int32_t handle, int32_t us) const;
		status_t enableSensor(int32_t handle, int32_t samplingPeriodUs, int maxBatchReportLatencyUs,
		int reservedFlags) const;
		status_t disableSensor(int32_t handle) const;
		status_t flushSensor(int32_t handle) const;

		private:
		sp<Looper> getLooper() const;

libs/gui/ISensorEventConnection.cpp

+27 −3

Original line number	Diff line number	Diff line
		@@ -33,7 +33,8 @@ namespace android {
		enum {
		GET_SENSOR_CHANNEL = IBinder::FIRST_CALL_TRANSACTION,
		ENABLE_DISABLE,
		SET_EVENT_RATE
		SET_EVENT_RATE,
		FLUSH_SENSOR
		};

		class BpSensorEventConnection : public BpInterface<ISensorEventConnection>
		@@ -52,12 +53,16 @@ public:
		return new BitTube(reply);
		}

		virtual status_t enableDisable(int handle, bool enabled)
		virtual status_t enableDisable(int handle, bool enabled, nsecs_t samplingPeriodNs,
		nsecs_t maxBatchReportLatencyNs, int reservedFlags)
		{
		Parcel data, reply;
		data.writeInterfaceToken(ISensorEventConnection::getInterfaceDescriptor());
		data.writeInt32(handle);
		data.writeInt32(enabled);
		data.writeInt64(samplingPeriodNs);
		data.writeInt64(maxBatchReportLatencyNs);
		data.writeInt32(reservedFlags);
		remote()->transact(ENABLE_DISABLE, data, &reply);
		return reply.readInt32();
		}
		@@ -71,6 +76,14 @@ public:
		remote()->transact(SET_EVENT_RATE, data, &reply);
		return reply.readInt32();
		}

		virtual status_t flushSensor(int handle) {
		Parcel data, reply;
		data.writeInterfaceToken(ISensorEventConnection::getInterfaceDescriptor());
		data.writeInt32(handle);
		remote()->transact(FLUSH_SENSOR, data, &reply);
		return reply.readInt32();
		}
		};

		IMPLEMENT_META_INTERFACE(SensorEventConnection, "android.gui.SensorEventConnection");
		@@ -91,7 +104,11 @@ status_t BnSensorEventConnection::onTransact(
		CHECK_INTERFACE(ISensorEventConnection, data, reply);
		int handle = data.readInt32();
		int enabled = data.readInt32();
		status_t result = enableDisable(handle, enabled);
		nsecs_t samplingPeriodNs = data.readInt64();
		nsecs_t maxBatchReportLatencyNs = data.readInt64();
		int reservedFlags = data.readInt32();
		status_t result = enableDisable(handle, enabled, samplingPeriodNs,
		maxBatchReportLatencyNs, reservedFlags);
		reply->writeInt32(result);
		return NO_ERROR;
		} break;
		@@ -103,6 +120,13 @@ status_t BnSensorEventConnection::onTransact(
		reply->writeInt32(result);
		return NO_ERROR;
		} break;
		case FLUSH_SENSOR: {
		CHECK_INTERFACE(ISensorEventConnection, data, reply);
		int handle = data.readInt32();
		status_t result = flushSensor(handle);
		reply->writeInt32(result);
		return NO_ERROR;
		} break;
		}
		return BBinder::onTransact(code, data, reply, flags);
		}