75 lines
1.7 KiB
C++
75 lines
1.7 KiB
C++
/*****************************************************************************
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source::worx libPiGPio
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Copyright © 2022 c.holzheuer
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chris@sourceworx.org
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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Uses:
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pigpiod_if2 by joan2937, pigpio @ abyz.me.uk
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https://abyz.me.uk/rpi/pigpio
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sigslot by 2017 Pierre-Antoine Lacaze
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https://github.com/palacaze/sigslot
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***************************************************************************/
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#include <pigbeeper.h>
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#include <iostream>
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pigBeeper::pigBeeper( bcm_t bcmNo )
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: pigNodeOut( bcmNo , pull_off )
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{
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}
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pigBeeper::~pigBeeper()
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{
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}
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void pigBeeper::play_tone( double freq, double duration )
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{
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double halveWaveTime = 1 / ( freq * 2 );
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int ms = (int)( 1000 * halveWaveTime );
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double waves = duration * freq;
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int wv = (int) waves;
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//std::cout << "sleep: " << halveWaveTime << " in micros: " << ms << " waves: " << waves << std::endl;
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std::thread thrd(
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[=]()
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{
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for( int i=0; i < wv; ++i )
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{
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_pinOut.set_level( high );
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delay_millis( ms );
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_pinOut.set_level( low );
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delay_millis( ms );
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}
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} );
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thrd.detach();
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}
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void pigBeeper::play_tune( std::vector<double> frv, std::vector<double> drv )
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{
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size_t count = std::max( frv.size(), drv.size() );
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for( size_t i=0; i<count; ++i )
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{
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//std::cout << "tone: " << freq[i] << " duration " << duration[i] << std::endl;
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play_tone( frv[i], drv[i] );
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}
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}
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