Merge pull request #205 from airgradienthq/feature/send-pms-sensor-fw-version-to-ag-cloud

Send PMS5003T firmware version to Ag Cloud

src/PMS/PMS5003.cpp

@@ -78,7 +78,7 @@ bool PMS5003::begin(void) {
     return false;
   }
 #endif
-
+  _ver = pms.getFirmwareVersion();
   this->_isBegin = true;
   return true;
 }
@@ -132,6 +132,20 @@ int PMS5003::compensated(int pm25, float humidity) {
   return pms.compensated(pm25, humidity);
 }
 
+/**
+ * @brief Get sensor firmware version
+ * 
+ * @return int
+ */
+int PMS5003::getFirmwareVersion(void) { return _ver; }
+
+/**
+ * @brief Get sensor error code
+ * 
+ * @return uint8_t 
+ */
+uint8_t PMS5003::getErrorCode(void) { return pms.getErrorCode(); }
+
 /**
  * @brief Check device initialized or not
  *