add nox_index to payload

src/Sgp41/Sgp41.cpp

@@ -121,6 +121,7 @@ void Sgp41::_handle(void) {
     vTaskDelay(pdMS_TO_TICKS(1000));
     if (getRawSignal(srawVoc, srawNox)) {
       tvocRaw = srawVoc;
+      noxRaw = srawNox;
       nox = noxAlgorithm()->process(srawNox);
       tvoc = vocAlgorithm()->process(srawVoc);
       AgLog("Polling SGP41 success: tvoc: %d, nox: %d", tvoc, nox);
@@ -249,3 +250,10 @@ bool Sgp41::_noxConditioning(void) {
  * @return int
  */
 int Sgp41::getTvocRaw(void) { return tvocRaw; }
+
+/**
+ * @brief Get NOX raw value
+ * 
+ * @return int 
+ */
+int Sgp41::getNoxRaw(void) { return noxRaw; }

src/Sgp41/Sgp41.h

@@ -24,6 +24,7 @@ public:
   int getTvocIndex(void);
   int getNoxIndex(void);
   int getTvocRaw(void);
+  int getNoxRaw(void);
 
 private:
   bool onConditioning = true;
@@ -39,6 +40,7 @@ private:
   int tvoc = 0;
   int tvocRaw;
   int nox = 0;
+  int noxRaw;
 #if defined(ESP8266)
   uint32_t conditioningPeriod;
   uint8_t conditioningCount;