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/*
* Copyright (C) 2013-2016 The CyanogenMod 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 org.lineageos.hardware;
import org.lineageos.internal.util.FileUtils;
public class VibratorHW {
private static final String DEFAULT_PATH = "/sys/class/timed_output/vibrator/pwm_default";
private static final String LEVEL_PATH = "/sys/class/timed_output/vibrator/pwm_value";
private static final String MAX_PATH = "/sys/class/timed_output/vibrator/pwm_max";
private static final String MIN_PATH = "/sys/class/timed_output/vibrator/pwm_min";
private static final String THRESHOLD_PATH = "/sys/class/timed_output/vibrator/pwm_threshold";
public static boolean isSupported() {
return FileUtils.isFileWritable(LEVEL_PATH) &&
FileUtils.isFileReadable(LEVEL_PATH) &&
FileUtils.isFileReadable(DEFAULT_PATH) &&
FileUtils.isFileReadable(MAX_PATH) &&
FileUtils.isFileReadable(MIN_PATH) &&
FileUtils.isFileReadable(THRESHOLD_PATH);
}
public static int getMaxIntensity() {
try {
return Integer.parseInt(FileUtils.readOneLine(MAX_PATH));
} catch (NumberFormatException e) {
return -1;
}
}
public static int getMinIntensity() {
try {
return Integer.parseInt(FileUtils.readOneLine(MIN_PATH));
} catch (NumberFormatException e) {
return -1;
}
}
public static int getWarningThreshold() {
try {
return Integer.parseInt(FileUtils.readOneLine(THRESHOLD_PATH));
} catch (NumberFormatException e) {
return -1;
}
}
public static int getCurIntensity() {
try {
return Integer.parseInt(FileUtils.readOneLine(LEVEL_PATH));
} catch (NumberFormatException e) {
return -1;
}
}
public static int getDefaultIntensity() {
try {
return Integer.parseInt(FileUtils.readOneLine(DEFAULT_PATH));
} catch (NumberFormatException e) {
return -1;
}
}
public static boolean setIntensity(int intensity) {
return FileUtils.writeLine(LEVEL_PATH, String.valueOf(intensity));
}
}