src/lib/PFD/PFD.h

   1 #pragma once
   2 #include <Arduino.h>
   3 #include <stdio.h>
   4 #include "../../src/include/targets.h"
   5
   6 class PFD
   7 {
   8 private:
   9     uint32_t intEventTime = 0;
  10     uint32_t extEventTime = 0;
  11     int32_t result;
  12     bool gotExtEvent;
  13     bool gotIntEvent;
  14
  15 public:
  16     inline void extEvent(uint32_t time) // reference (external osc)
  17     {
  18         extEventTime = time;
  19         gotExtEvent = true;
  20     }
  21
  22     inline void intEvent(uint32_t time) // internal osc event
  23     {
  24         intEventTime = time;
  25         gotIntEvent = true;
  26     }
  27
  28     inline void reset()
  29     {
  30         gotExtEvent = false;
  31         gotIntEvent = false;
  32     }
  33
  34     inline void calcResult()
  35     {
  36         result = (gotExtEvent && gotIntEvent) ? (int32_t)(extEventTime - intEventTime) : 0;
  37     }
  38
  39     inline int32_t getResult()
  40     {
  41         return result;
  42     }
  43
  44     volatile uint32_t getIntEventTime() const { return intEventTime; }
  45     volatile uint32_t getExtEventTime() const { return extEventTime; }
  46 };