added CO2 and VOC sensor

sensor.h

@@ -3,21 +3,57 @@
 #include "Arduino.h"
 #include "mqtt.h"
 
+enum sensor_e
+{
+    //PMS sensors
+    SP_1P0,
+    SP_2P5,
+    SP_10P0,
+    AE_1P0,
+    AE_2P5,
+    AE_10P0,
+    PPD_0P3,
+    PPD_0P5,
+    PPD_1P0,
+    PPD_2P5,
+    PPD_5P0,
+    PPD_10P0,
+    SCD30_temp,
+    SCD30_hum,
+    SCD30_co2,
+    SGP30_TVOC,
+    SGP30_eCO2,
+    SGP30_rawH2,
+    SGP30_rawEthanol,
+    sensor_last
+};
+
 class AQSSensor
 {
     char _topic[50];
     char _topic_1h[50];
     char _topic_24h[255];
     const String _name;
+    const sensor_e _sensor;
+    const String _unit;
     uint32_t _value;
     RunningMedian _average1h;
     RunningMedian _average24h;
     bool _publish = false;
+    const uint32_t _scaleMin;
+    const uint32_t _scaleMax;
 
 public:
-    AQSSensor(String name, String deviceID, uint8_t avgSamples) : _name(name),
-                                                                  _average1h(avgSamples),
-                                                                  _average24h(avgSamples * 24)
+    AQSSensor(String name, sensor_e sensor, String unit,
+              String deviceID, uint8_t avgSamples,
+              uint32_t scaleMin, uint32_t scaleMax)
+        : _name(name),
+          _sensor(sensor),
+          _unit(unit),
+          _average1h(avgSamples),
+          _average24h(avgSamples * 24),
+          _scaleMin(scaleMin),
+          _scaleMax(scaleMax)
     {
         sprintf(_topic, "Sensors/%s/%s", deviceID.c_str(), name.c_str());
         sprintf(_topic_1h, "Sensors/%s/%s/1h/", deviceID.c_str(), name.c_str());
@@ -34,6 +70,11 @@ public:
         return _name;
     }
 
+    void published(void)
+    {
+        _publish = false;
+    }
+
     void publishMQTT(void)
     {
         if (_publish == true)
@@ -58,13 +99,22 @@ public:
     {
         if (_publish)
         {
-            Serial.printf("sensor:%s = %d\n", _name.c_str(), _value);
+            Serial.printf("sensor: report: %s = %d\n", _name.c_str(), _value);
         }
     }
+
+    sensor_e getSensor(void) { return _sensor; }
+
+    String getUnit(void) { return _unit;}
+
+    uint32_t getMin(void) { return _scaleMin; }
+    uint32_t getMax(void) { return _scaleMax; }
 };
 
 void addSensorToList(AQSSensor *sensor);
 void reportToSerial(void);
+AQSSensor *getSensor(sensor_e sensor);
+uint32_t getSensorValue(sensor_e sensor);
 
 void initSensor(void);
 void handleSensor(void);