TaskScheduler/examples/Scheduler_example21_OO_Callbacks/SuperSensor.cpp

#include "SuperSensor.h"

SuperSensor::SuperSensor(Scheduler* aScheduler, int aPin, Calculator* aC, StatusRequest* aS) :   Task(TASK_MILLISECOND, TASK_FOREVER, aScheduler, false) {
  iPin = aPin;
  iC = aC;
  iS = aS;
}

SuperSensor::~SuperSensor() {
  iValue = -1;
}

void SuperSensor::begin() {
  iDelay = random(300, 1500);
  iValue = -1;
}

void SuperSensor::stop() {
  //nothing to do
}

long SuperSensor::trigger() {
  iStart = millis();
  return iDelay;
}

bool SuperSensor::measurementReady() {
  if ( millis() - iStart > iDelay ) {
    iValue = random(501);
    return true;
  }
  return false;
}

long SuperSensor::value() {
  return iValue;
}

bool SuperSensor::OnEnable() {
  int i = getId();

  Serial.print(millis()); Serial.print(":\t");
  Serial.print("SEnable: TaskID=");
  Serial.println(i);
  Serial.print("Triggering sensor. Delay=");

  long dly = trigger();

  Serial.println( dly );
  return true;
}

bool SuperSensor::Callback() {

  if ( measurementReady() ) {
    int i = getId();
    Serial.print(millis()); Serial.print(":\t");
    Serial.print("SCallback: TaskID=");
    Serial.println(i);
    Serial.print("Emulating measurement. d=");

    long d = value();
    iC->reportDistance(d);

    Serial.println(d);

    iS->signal();
    disable();
    return true;
  }
  return false;
}

void SuperSensor::OnDisable() {
  int i = getId();

  Serial.print(millis()); Serial.print(":\t");
  Serial.print("SDisable: TaskID=");
  Serial.println(i);

  stop();

  delete this;
}