SensorRunnable(const sensors_event_t& data, const sensor_t* sensors, ssize_t size)
{
mSensorData.sensor() = HardwareSensorToHalSensor(data.type);
if (mSensorData.sensor() == SENSOR_UNKNOWN) {
// Emulator is broken and gives us events without types set
if (data.sensor < size)
mSensorData.sensor() = HardwareSensorToHalSensor(sensors[data.sensor].type);
}
mSensorData.accuracy() = HardwareStatusToHalAccuracy(SensorseventStatus(data));
mSensorData.timestamp() = data.timestamp;
if (mSensorData.sensor() == SENSOR_GYROSCOPE) {
// libhardware returns gyro as rad. convert.
mSensorValues.AppendElement(radToDeg(data.data[0]));
mSensorValues.AppendElement(radToDeg(data.data[1]));
mSensorValues.AppendElement(radToDeg(data.data[2]));
} else if (mSensorData.sensor() == SENSOR_PROXIMITY) {
mSensorValues.AppendElement(data.data[0]);
mSensorValues.AppendElement(0);
// Determine the maxRange for this sensor.
for (ssize_t i = 0; i < size; i++) {
if (sensors[i].type == SENSOR_TYPE_PROXIMITY) {
mSensorValues.AppendElement(sensors[i].maxRange);
}
}
} else if (mSensorData.sensor() == SENSOR_LIGHT) {
mSensorValues.AppendElement(data.data[0]);
} else {
mSensorValues.AppendElement(data.data[0]);
mSensorValues.AppendElement(data.data[1]);
mSensorValues.AppendElement(data.data[2]);
}
mSensorData.values() = mSensorValues;
}
static void
PollSensors()
{
const size_t numEventMax = 16;
sensors_event_t buffer[numEventMax];
const sensor_t* sensors;
int size = sSensorModule->get_sensors_list(sSensorModule, &sensors);
do {
// didn't check sSensorDevice because already be done on creating pollingThread.
int n = sSensorDevice->poll(sSensorDevice, buffer, numEventMax);
if (n < 0) {
LOGE("Error polling for sensor data (err=%d)", n);
break;
}
for (int i = 0; i < n; ++i) {
// FIXME: bug 802004, add proper support for the magnetic field sensor.
if (buffer[i].type == SENSOR_TYPE_MAGNETIC_FIELD)
continue;
if (HardwareSensorToHalSensor(buffer[i].type) == SENSOR_UNKNOWN) {
// Emulator is broken and gives us events without types set
int index;
for (index = 0; index < size; index++) {
if (sensors[index].handle == buffer[i].sensor) {
break;
}
}
if (index < size &&
HardwareSensorToHalSensor(sensors[index].type) != SENSOR_UNKNOWN) {
buffer[i].type = sensors[index].type;
} else {
LOGW("Could not determine sensor type of event");
continue;
}
}
NS_DispatchToMainThread(new SensorRunnable(buffer[i], sensors, size));
}
} while (true);
}
static void
SwitchSensor(bool aActivate, sensor_t aSensor, pthread_t aThreadId)
{
int index = HardwareSensorToHalSensor(aSensor.type);
MOZ_ASSERT(sSensorRefCount[index] || aActivate);
sSensorDevice->activate(sSensorDevice, aSensor.handle, aActivate);
if (aActivate) {
sSensorDevice->setDelay(sSensorDevice, aSensor.handle,
DEFAULT_DEVICE_POLL_RATE);
}
if (aActivate) {
sSensorRefCount[index]++;
} else {
sSensorRefCount[index]--;
}
}
