commit 2927ab7ed7deb4560f0686e29405d87e68940499
author Brian Stack <bstack@google.com> Tue Oct 23 11:22:55 2018 -0700
committer Brian Stack <bstack@google.com> Wed Oct 24 16:33:34 2018 -0700
tree 2b1e6f56805a554fcb74972f43a69b391a5f0f2b
parent 237abc6cf82883a38897433a3bdc16903b9f14eb

Register default accelerometer sensor

Registers a default accelerometer with the Sensors HAL.

Bug: 111070257
Test: Builds, a_sns_test receives accel events
Change-Id: I2f016eb74b9b729854e771264f4c2f1adf025c09

sensors/2.0/default/Sensor.cpp

diff --git a/sensors/2.0/default/Sensor.cpp b/sensors/2.0/default/Sensor.cpp
index 1691b3e..21c1591 100644
--- a/sensors/2.0/default/Sensor.cpp
+++ b/sensors/2.0/default/Sensor.cpp
@@ -24,6 +24,7 @@
 namespace V2_0 {
 namespace implementation {
 
+using ::android::hardware::sensors::V1_0::SensorFlagBits;
 using ::android::hardware::sensors::V1_0::SensorStatus;
 
 Sensor::Sensor(ISensorsEventCallback* callback)
@@ -106,6 +107,24 @@
     return events;
 }
 
+AccelSensor::AccelSensor(int32_t sensorHandle, ISensorsEventCallback* callback) : Sensor(callback) {
+    mSensorInfo.sensorHandle = sensorHandle;
+    mSensorInfo.name = "Accel Sensor";
+    mSensorInfo.vendor = "Vendor String";
+    mSensorInfo.version = 1;
+    mSensorInfo.type = SensorType::ACCELEROMETER;
+    mSensorInfo.typeAsString = "";
+    mSensorInfo.maxRange = 78.4f;  // +/- 8g
+    mSensorInfo.resolution = 1.52e-5;
+    mSensorInfo.power = 0.001f;          // mA
+    mSensorInfo.minDelay = 20 * 1000;    // microseconds
+    mSensorInfo.maxDelay = 1000 * 1000;  // microseconds
+    mSensorInfo.fifoReservedEventCount = 0;
+    mSensorInfo.fifoMaxEventCount = 0;
+    mSensorInfo.requiredPermission = "";
+    mSensorInfo.flags = static_cast<uint32_t>(SensorFlagBits::WAKE_UP);
+};
+
 }  // namespace implementation
 }  // namespace V2_0
 }  // namespace sensors

sensors/2.0/default/Sensor.h

diff --git a/sensors/2.0/default/Sensor.h b/sensors/2.0/default/Sensor.h
index 21ad10d..e467b56 100644
--- a/sensors/2.0/default/Sensor.h
+++ b/sensors/2.0/default/Sensor.h
@@ -66,6 +66,11 @@
     ISensorsEventCallback* mCallback;
 };
 
+class AccelSensor : public Sensor {
+   public:
+    AccelSensor(int32_t sensorHandle, ISensorsEventCallback* callback);
+};
+
 }  // namespace implementation
 }  // namespace V2_0
 }  // namespace sensors

sensors/2.0/default/Sensors.cpp

diff --git a/sensors/2.0/default/Sensors.cpp b/sensors/2.0/default/Sensors.cpp
index f0b02c3..39c1ded 100644
--- a/sensors/2.0/default/Sensors.cpp
+++ b/sensors/2.0/default/Sensors.cpp
@@ -31,7 +31,11 @@
 using ::android::hardware::sensors::V1_0::Result;
 using ::android::hardware::sensors::V1_0::SharedMemInfo;
 
-Sensors::Sensors() : mEventQueueFlag(nullptr) {}
+Sensors::Sensors() : mEventQueueFlag(nullptr) {
+    std::shared_ptr<AccelSensor> accel =
+        std::make_shared<AccelSensor>(1 /* sensorHandle */, this /* callback */);
+    mSensors[accel->getSensorInfo().sensorHandle] = accel;
+}
 
 Sensors::~Sensors() {
     deleteEventFlag();