first re-commit.

pigbeeper.cpp

@@ -0,0 +1,74 @@
+/*****************************************************************************
+
+    source::worx libPiGPio
+    Copyright © 2022 c.holzheuer
+    chris@sourceworx.org
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    Uses:
+
+    pigpiod_if2 by joan2937, pigpio @ abyz.me.uk
+    https://abyz.me.uk/rpi/pigpio
+
+    sigslot  by 2017 Pierre-Antoine Lacaze
+    https://github.com/palacaze/sigslot
+
+***************************************************************************/
+
+
+#include <pigbeeper.h>
+#include <iostream>
+
+
+
+pigBeeper::pigBeeper( bcm_t bcmNo )
+    : pigNodeOut( bcmNo , pull_off )
+{
+
+}
+
+
+pigBeeper::~pigBeeper()
+{
+
+}
+
+void pigBeeper::play_tone( double freq, double duration )
+{
+    double halveWaveTime = 1 / ( freq * 2 );
+    int ms = (int)( 1000 * halveWaveTime );
+    double waves = duration * freq;
+    int wv = (int) waves;
+    //std::cout << "sleep: " << halveWaveTime << " in micros: " << ms << " waves: " << waves << std::endl;
+
+    std::thread thrd(
+    [=]()
+    {
+        for( int i=0; i < wv; ++i )
+        {
+            _pinOut.set_level( high );
+            delay_millis( ms );
+            _pinOut.set_level( low );
+            delay_millis( ms );
+        }
+    } );
+    thrd.detach();
+
+
+}
+
+
+void pigBeeper::play_tune( std::vector<double> frv, std::vector<double> drv  )
+{
+    size_t count = std::max( frv.size(), drv.size() );
+    for( size_t i=0; i<count; ++i )
+    {
+        //std::cout << "tone: " << freq[i] << " duration " <<  duration[i] << std::endl;
+        play_tone( frv[i], drv[i] );
+    }
+}
+