SinricPro Library
SinricProPowerSensor.h
1 /*
2  * Copyright (c) 2019 Sinric. All rights reserved.
3  * Licensed under Creative Commons Attribution-Share Alike (CC BY-SA)
4  *
5  * This file is part of the Sinric Pro (https://github.com/sinricpro/)
6  */
7 
8 #ifndef _SINRICPOWERSENSOR_H_
9 #define _SINRICPOWERSENSOR_H_
10 
11 #include "SinricProDevice.h"
12 
18  public:
19  SinricProPowerSensor(const char* deviceId, unsigned long eventWaitTime=100);
20  // event
21  bool sendPowerSensorEvent(float voltage, float current, float power=-1.0f, float apparentPower=-1.0f, float reactivePower=-1.0f, float factor=-1.0f, String cause = "PERIODIC_POLL");
22  private:
23  unsigned long startTime = 0;
24  unsigned long lastPower = 0;
25  protected:
26  float getWattHours(unsigned long currentTimestamp);
27 };
28 
29 SinricProPowerSensor::SinricProPowerSensor(const char* deviceId, unsigned long eventWaitTime) : SinricProDevice(deviceId, eventWaitTime) {}
30 
44 bool SinricProPowerSensor::sendPowerSensorEvent(float voltage, float current, float power, float apparentPower, float reactivePower, float factor, String cause) {
45  DynamicJsonDocument eventMessage = prepareEvent(deviceId, "powerUsage", cause.c_str());
46  JsonObject event_value = eventMessage["payload"]["value"];
47  if (power == -1) power = voltage * current;
48  if (apparentPower != -1) factor = power / apparentPower;
49 
50  unsigned long currentTimestamp = getTimestamp();
51 
52  event_value["startTime"] = startTime;
53  event_value["voltage"] = voltage;
54  event_value["current"] = current;
55  event_value["power"] = power;
56  event_value["apparentPower"] = apparentPower;
57  event_value["reactivePower"] = reactivePower;
58  event_value["factor"] = factor;
59  event_value["wattHours"] = getWattHours(currentTimestamp);
60 
61  startTime = currentTimestamp;
62  lastPower = power;
63  return sendEvent(eventMessage);
64 }
65 
66 float SinricProPowerSensor::getWattHours(unsigned long currentTimestamp) {
67  if (startTime) return (currentTimestamp-startTime) * lastPower / 3600.0f;
68  return 0;
69 }
70 
71 #endif
SinricProPowerSensor
Device to report power usage.
Definition: SinricProPowerSensor.h:17
SinricProPowerSensor::sendPowerSensorEvent
bool sendPowerSensorEvent(float voltage, float current, float power=-1.0f, float apparentPower=-1.0f, float reactivePower=-1.0f, float factor=-1.0f, String cause="PERIODIC_POLL")
Send PowerSensor event to SinricPro Server.
Definition: SinricProPowerSensor.h:44
SinricProDevice
Base class for all device types.
Definition: SinricProDevice.h:23