io.silverspoon.bulldog.beagleboneblack.sysfs.SysFsPwm Maven / Gradle / Ivy
The newest version!
/*******************************************************************************
* Copyright (c) 2016 Silverspoon.io ([email protected])
*
* 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 io.silverspoon.bulldog.beagleboneblack.sysfs;
import io.silverspoon.bulldog.core.Polarity;
public class SysFsPwm {
private BBBSysFs sysfsUtil = new BBBSysFs();
private String directory = null;
private int slot = -1;
public SysFsPwm(String path, int slot) {
this.directory = path;
this.slot = slot;
}
public void setPeriod(long period) {
sysfsUtil.echo(directory + "/period", String.valueOf(period));
}
public void setDuty(long duty) {
sysfsUtil.echo(directory + "/duty", String.valueOf(duty));
}
public void setPolarity(Polarity polarity) {
sysfsUtil.echo(directory + "/polarity", polarity == Polarity.Negative ? "0" : "1");
}
public void enable() {
sysfsUtil.echo(directory + "/run", "1");
}
public void disable() {
sysfsUtil.echo(directory + "/run", "0");
}
public int getSlot() {
return slot;
}
public String getDirectory() {
return directory;
}
}