1 files changed, 133 insertions, 0 deletions
diff --git a/libsensors/MPLSensor.h b/libsensors/MPLSensor.h
new file mode 100644
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--- /dev/null
+++ b/libsensors/MPLSensor.h
@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 2011 Invensense, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/*************Removed the gesture related info for Google check in : Meenakshi Ramamoorthi: May 31st *********/
+
+#ifndef ANDROID_MPL_SENSOR_H
+#define ANDROID_MPL_SENSOR_H
+
+#include <stdint.h>
+#include <errno.h>
+#include <sys/cdefs.h>
+#include <sys/types.h>
+#include <poll.h>
+#include <utils/Vector.h>
+#include <utils/KeyedVector.h>
+#include "sensors.h"
+#include "SensorBase.h"
+
+/*****************************************************************************/
+/** MPLSensor implementation which fits into the HAL example for crespo provided
+ * * by Google.
+ * * WARNING: there may only be one instance of MPLSensor, ever.
+ */
+
+class MPLSensor: public SensorBase
+{
+    typedef void (MPLSensor::*hfunc_t)(sensors_event_t*, uint32_t*, int);
+
+public:
+    MPLSensor();
+    virtual ~MPLSensor();
+
+    enum
+    {
+        Gyro=0,
+        Accelerometer,
+        MagneticField,
+        Orientation,
+        RotationVector,
+        LinearAccel,
+        Gravity,
+        numSensors
+    };
+
+    virtual int setDelay(int32_t handle, int64_t ns);
+    virtual int enable(int32_t handle, int enabled);
+    virtual int readEvents(sensors_event_t *data, int count);
+    virtual int getFd() const;
+    virtual int getAccelFd() const;
+    virtual int getTimerFd() const;
+    virtual int getPowerFd() const;
+    virtual void handlePowerEvent();
+    virtual void sleepEvent();
+    virtual void wakeEvent();
+    int populateSensorList(struct sensor_t *list, size_t len);
+    void cbOnMotion(uint16_t);
+    void cbProcData();
+
+protected:
+
+    void clearIrqData(bool* irq_set);
+    void setPowerStates(int enabledsensor);
+    void initMPL();
+    void setupFIFO();
+    void setupCallbacks();
+    void gyroHandler(sensors_event_t *data, uint32_t *pendmask, int index);
+    void accelHandler(sensors_event_t *data, uint32_t *pendmask, int index);
+    void compassHandler(sensors_event_t *data, uint32_t *pendmask, int index);
+    void rvHandler(sensors_event_t *data, uint32_t *pendmask, int index);
+    void laHandler(sensors_event_t *data, uint32_t *pendmask, int index);
+    void gravHandler(sensors_event_t *data, uint32_t *pendmask, int index);
+    void orienHandler(sensors_event_t *data, uint32_t *pendmask, int index);
+    void calcOrientationSensor(float *Rx, float *Val);
+    int estimateCompassAccuracy();
+
+    int mNewData; //flag indicating that the MPL calculated new output values
+    int mDmpStarted;
+    long mMasterSensorMask;
+    long mLocalSensorMask;
+    int mCurFifoRate; //current fifo rate
+    bool mHaveGoodMpuCal; //flag indicating that the cal file can be written
+    bool mHaveGoodCompassCal;
+    bool mUseTimerIrqAccel;
+    bool mUsetimerIrqCompass;
+    bool mUseTimerirq;
+    struct pollfd mPollFds[4];
+    pthread_mutex_t mMplMutex;
+
+    enum FILEHANDLES
+    {
+        MPUIRQ_FD, ACCELIRQ_FD, COMPASSIRQ_FD, TIMERIRQ_FD,
+    };
+
+private:
+
+    int update_delay();
+    int accel_fd;
+    int timer_fd;
+
+    uint32_t mEnabled;
+    uint32_t mPendingMask;
+    sensors_event_t mPendingEvents[numSensors];
+    uint64_t mDelays[numSensors];
+    hfunc_t mHandlers[numSensors];
+    bool mForceSleep;
+    long int mOldEnabledMask;
+    android::KeyedVector<int, int> mIrqFds;
+
+    /* added for dynamic get sensor list              */
+    bool mNineAxisEnabled;
+    void fillRV(struct sensor_t *list);
+    void fillOrientation(struct sensor_t *list);
+    void fillGravity(struct sensor_t *list);
+    void fillLinearAccel(struct sensor_t *list);
+};
+
+void setCallbackObject(MPLSensor*);
+
+/*****************************************************************************/
+
+#endif  // ANDROID_MPL_SENSOR_H