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     bool gotExtEvent;
  12     bool gotIntEvent;
  13
  14 public:
  15     inline void extEvent(uint32_t time) // reference (external osc)
  16     {
  17         extEventTime = time;
  18         gotExtEvent = true;
  19     }
  20
  21     inline void intEvent(uint32_t time) // internal osc event
  22     {
  23         intEventTime = time;
  24         gotIntEvent = true;
  25     }
  26
  27     inline void reset()
  28     {
  29         gotExtEvent = false;
  30         gotIntEvent = false;
  31     }
  32
  33     int32_t calcResult() const
  34     {
  35         // Assumes caller has verified hasResult()
  36         return (int32_t)(extEventTime - intEventTime);
  37     }
  38
  39     bool hasResult() const
  40     {
  41         return gotExtEvent && gotIntEvent;
  42     }
  43
  44     volatile uint32_t getIntEventTime() const { return intEventTime; }
  45     volatile uint32_t getExtEventTime() const { return extEventTime; }
  46 };