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buzzer: added buzzer with example

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Signed-off-by: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
This commit is contained in:
Yevgeniy Kiveisha
2014-05-28 05:56:44 -07:00
parent b26cbd09f1
commit 725fc4661c
8 changed files with 193 additions and 0 deletions
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src/buzzer/buzzer.cxx Normal file
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/*
* Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
* Copyright (c) 2014 Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <iostream>
#include <unistd.h>
#include "buzzer.h"
using namespace upm;
Buzzer::Buzzer (int pinNumber) {
m_pwm_context = maa_pwm_init (pinNumber);
m_name = "Buzzer";
}
int Buzzer::playSound (int note) {
maa_pwm_enable (m_pwm_context, 1);
maa_pwm_period_us (m_pwm_context, note);
maa_pwm_write (m_pwm_context, 50.0);
usleep (10000);
maa_pwm_enable (m_pwm_context, 0);
return 0;
}
Buzzer::~Buzzer() {
maa_pwm_close(m_pwm_context);
std::cout << "executed maa_pwm_close" << std::endl;
}