| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| package android.hardware.cts; |
| |
| import android.content.Context; |
| import android.content.pm.PackageManager; |
| import android.hardware.Sensor; |
| import android.hardware.SensorManager; |
| import android.hardware.cts.helpers.SensorCtsHelper; |
| |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * Test min-max frequency, max range parameters for sensors. |
| * |
| * <p>To execute these test cases, the following command can be used:</p> |
| * <pre> |
| * adb shell am instrument -e class android.hardware.cts.SensorParameterRangeTest \ |
| * -w com.android.cts.hardware/android.test.AndroidJUnitRunner |
| * </pre> |
| */ |
| public class SensorParameterRangeTest extends SensorTestCase { |
| |
| private static final double ACCELEROMETER_MAX_RANGE = 8 * 9.80; // 8G minus a slop |
| private static final double ACCELEROMETER_MIN_FREQUENCY = 12.50; |
| private static final int ACCELEROMETER_MAX_FREQUENCY = 200; |
| |
| private static final double GYRO_MAX_RANGE = 1000/57.295 - 1.0; // 1000 degrees per sec minus a slop |
| private static final double GYRO_MIN_FREQUENCY = 12.50; |
| private static final double GYRO_MAX_FREQUENCY = 200.0; |
| |
| private static final int MAGNETOMETER_MAX_RANGE = 900; // micro telsa |
| private static final double MAGNETOMETER_MIN_FREQUENCY = 5.0; |
| private static final double MAGNETOMETER_MAX_FREQUENCY = 50.0; |
| |
| private static final double PRESSURE_MAX_RANGE = 1100.0; // hecto-pascal |
| private static final double PRESSURE_MIN_FREQUENCY = 1.0; |
| private static final double PRESSURE_MAX_FREQUENCY = 10.0; |
| |
| private boolean mHasHifiSensors; |
| private SensorManager mSensorManager; |
| |
| @Override |
| public void setUp() { |
| mSensorManager = (SensorManager) getContext().getSystemService(Context.SENSOR_SERVICE); |
| mHasHifiSensors = getContext().getPackageManager().hasSystemFeature( |
| PackageManager.FEATURE_HIFI_SENSORS); |
| } |
| |
| public void testAccelerometerRange() { |
| checkSensorRangeAndFrequency( |
| mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER), |
| ACCELEROMETER_MAX_RANGE, |
| ACCELEROMETER_MIN_FREQUENCY, |
| ACCELEROMETER_MAX_FREQUENCY); |
| } |
| |
| public void testGyroscopeRange() { |
| checkSensorRangeAndFrequency( |
| mSensorManager.getDefaultSensor(Sensor.TYPE_GYROSCOPE), |
| GYRO_MAX_RANGE, |
| GYRO_MIN_FREQUENCY, |
| GYRO_MAX_FREQUENCY); |
| } |
| |
| public void testMagnetometerRange() { |
| checkSensorRangeAndFrequency( |
| mSensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD), |
| MAGNETOMETER_MAX_RANGE, |
| MAGNETOMETER_MIN_FREQUENCY, |
| MAGNETOMETER_MAX_FREQUENCY); |
| } |
| |
| public void testPressureRange() { |
| checkSensorRangeAndFrequency( |
| mSensorManager.getDefaultSensor(Sensor.TYPE_PRESSURE), |
| PRESSURE_MAX_RANGE, |
| PRESSURE_MIN_FREQUENCY, |
| PRESSURE_MAX_FREQUENCY); |
| } |
| |
| private void checkSensorRangeAndFrequency( |
| Sensor sensor, double maxRange, double minFrequency, double maxFrequency) { |
| if (!mHasHifiSensors) return; |
| assertTrue(String.format("%s Range actual=%.2f expected=%.2f %s", |
| sensor.getName(), sensor.getMaximumRange(), maxRange, |
| SensorCtsHelper.getUnitsForSensor(sensor)), |
| sensor.getMaximumRange() >= maxRange); |
| double actualMinFrequency = SensorCtsHelper.getFrequency(sensor.getMaxDelay(), |
| TimeUnit.MICROSECONDS); |
| assertTrue(String.format("%s Min Frequency actual=%.2f expected=%.2fHz", |
| sensor.getName(), actualMinFrequency, minFrequency), actualMinFrequency <= |
| minFrequency + 0.1); |
| |
| double actualMaxFrequency = SensorCtsHelper.getFrequency(sensor.getMinDelay(), |
| TimeUnit.MICROSECONDS); |
| assertTrue(String.format("%s Max Frequency actual=%.2f expected=%.2fHz", |
| sensor.getName(), actualMaxFrequency, maxFrequency), actualMaxFrequency >= |
| maxFrequency - 0.1); |
| } |
| } |