commit 724d91d778e71c8186399f4955de14b54812b3ed
author Aravind Akella <aakella@google.com> Thu Jun 27 12:04:23 2013 -0700
committer Aravind Akella <aakella@google.com> Tue Sep 03 17:04:36 2013 -0700
tree b544c4b9cdf0450783debf3c1b497d0257aa3113
parent 9b5534b0e5e1510f56e6a2c58ad0816167603ebd

Sensor batching. Changes to the native code.

Bug: 10109508
Change-Id: I7333f3aac76125a8226a4c99c901fb904588df04

include/android/sensor.h

diff --git a/include/android/sensor.h b/include/android/sensor.h
index 32c5c0a..129ea3e 100644
--- a/include/android/sensor.h
+++ b/include/android/sensor.h
@@ -106,6 +106,30 @@
     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 @@
             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 @@
     int32_t reserved1[4];
 } ASensorEvent;
 
-
 struct ASensorManager;
 typedef struct ASensorManager ASensorManager;
 

include/gui/ISensorEventConnection.h

diff --git a/include/gui/ISensorEventConnection.h b/include/gui/ISensorEventConnection.h
index 749065e..00eecc4 100644
--- a/include/gui/ISensorEventConnection.h
+++ b/include/gui/ISensorEventConnection.h
@@ -36,8 +36,10 @@
     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

diff --git a/include/gui/Sensor.h b/include/gui/Sensor.h
index 9197372..0c81426 100644
--- a/include/gui/Sensor.h
+++ b/include/gui/Sensor.h
@@ -53,7 +53,7 @@
     };
 
             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 @@
     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 @@
     float   mPower;
     int32_t mMinDelay;
     int32_t mVersion;
+    int32_t mFifoReservedEventCount;
+    int32_t mFifoMaxEventCount;
 };
 
 // ----------------------------------------------------------------------------

include/gui/SensorEventQueue.h

diff --git a/include/gui/SensorEventQueue.h b/include/gui/SensorEventQueue.h
index 759b5cb..8d8493b 100644
--- a/include/gui/SensorEventQueue.h
+++ b/include/gui/SensorEventQueue.h
@@ -68,8 +68,10 @@
     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;