/*******************************************************************************
* Copyright (c) 2016 Julien Louette & Gaƫl Wittorski
*
* This file is part of Raspoid.
*
* Raspoid is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Raspoid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Raspoid. If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/
package com.raspoid.examples.additionalcomponents;
import com.raspoid.additionalcomponents.PCA9685;
import com.raspoid.additionalcomponents.PassiveBuzzer;
import com.raspoid.additionalcomponents.PCA9685.PCA9685Channel;
import com.raspoid.additionalcomponents.notes.BaseNote;
/**
* Example of use of a Passive Buzzer.
*
* @see PassiveBuzzer
*
* @author Julien Louette & Gaël Wittorski
* @version 1.0
*/
public class PassiveBuzzerExample {
/**
* Private constructor to hide the implicit public one.
*/
private PassiveBuzzerExample() {
}
/**
* Command-line interface.
* @param args unused here.
*/
public static void main(String[] args) {
// Comparison - PassiveBuzzer using
// 1. a Raspberry Pi PWM pin
// 2. a PCA9685 (max 1000Hz !)
// Note: we can observed that frequencies for our PassiveBuzzer are OK
// for octaves in the 3..7 range.
int timePerNote = 500; // ms
PassiveBuzzer buzzer;
// Comment/Uncomment the corresponding lines for comparison.
// 1. Using a Raspberry Pi PWM pin
//buzzer = new PassiveBuzzer(PWMPin.PWM1); // NOSONAR
// 2. Using a PCA9685
buzzer = new PassiveBuzzer(new PCA9685(), PCA9685Channel.CHANNEL_00); // NOSONAR
for(int i=0; i <= 7; i++) {
buzzer.playNote(BaseNote.DO_0, i, timePerNote);
buzzer.playNote(BaseNote.RE_0, i, timePerNote);
buzzer.playNote(BaseNote.MI_0, i, timePerNote);
buzzer.playNote(BaseNote.FA_0, i, timePerNote);
buzzer.playNote(BaseNote.SOL_0, i, timePerNote);
buzzer.playNote(BaseNote.LA_0, i, timePerNote);
buzzer.playNote(BaseNote.SI_0, i, timePerNote);
}
}
}