Files
AQS-FW/mqtt.h

64 lines
1.4 KiB
C++

#pragma once
#include "Arduino.h"
#include "mqtt.h"
#include "config.h"
#include <WiFi.h> // ESP32 WiFi driver
#include <PubSubClient.h> // For MQTT
#include <string>
#include "RunningMedian.h"
void initMQTT( void );
void handleMQTT( void );
bool initWifi();
uint32_t getDeviceID( void );
void publishSingle(uint32_t value, char *topic);
class mqttSensor
{
char _topic[50];
char _topic_1h[50];
char _topic_24h[50];
const String _name;
uint32_t _value;
RunningMedian _average1h;
RunningMedian _average24h;
public:
mqttSensor(String name, String deviceID, uint8_t avgSamples): _name(name),
_average1h(avgSamples),
_average24h(avgSamples*24)
{
sprintf(_topic, "Sensors/%s/%s", deviceID.c_str(),name.c_str() );
sprintf(_topic_1h, "Sensors/%s/%s/1h/", deviceID.c_str(),name.c_str() );
sprintf(_topic_24h, "Sensors/%s/%s/24h/", deviceID.c_str(),name.c_str() );
}
void publish(void)
{
publishSingle(_value, _topic);
publishSingle(_average1h.getMedian(),_topic_1h);
publishSingle(_average24h.getMedian(),_topic_24h);
}
virtual void set(uint32_t value)
{
_value = value;
_average1h.add(_value);
_average24h.add(_value);
}
uint32_t value() {return _value;}
void print( void )
{
Serial.printf("sensor:%s = %d\n",_name.c_str(), _value);
}
};