first re-commit.

pigchrono.h

@@ -0,0 +1,53 @@
+/*****************************************************************************
+
+    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
+
+***************************************************************************/
+
+
+#ifndef PIGCHRONO_H
+#define PIGCHRONO_H
+
+
+#include <chrono>
+#include <libpigpio.h>
+
+using namespace std;
+using namespace chrono;
+
+class LIBPIGPIO_EXPORT pigChrono
+{
+
+public:
+
+    pigChrono();
+    virtual ~pigChrono() = default;
+
+    void   start();
+    double elapsed_millis() const;
+    double elapsed_micros() const;
+
+protected:
+
+   using _clock = high_resolution_clock;
+   time_point<_clock> _beg;
+
+};
+
+
+#endif // PIGCHRONO_H