communication with influxdb is working, schema of data in influxdb is unusable so far, too many spare columns

attic/ttn/models/hottisScd30/hottisScd30.go

@@ -0,0 +1,69 @@
+package hottisScd30
+
+import (
+  //"log"
+  "fmt"
+  "bytes"
+  "encoding/base64"
+  "encoding/binary"
+  "udi/database"
+)
+
+type hottisScd30Values struct {
+  Status uint8
+  CO2Conc int32
+  Temp int32
+  Hum int32
+  Bri int32
+}
+
+
+func Parse(fPort int, _ []byte, frmPayload string, variables *map[string]database.VariableType, attributes *map[string]interface{}, _ *database.Device) error {
+  if fPort != 2 {
+    return fmt.Errorf("Unexpected fPort %d", fPort)
+  }
+
+  b, err := base64.StdEncoding.DecodeString(frmPayload)
+  if err != nil {
+    return fmt.Errorf("Unable to base64-decode payload: %v", err)
+  }
+
+  var values hottisScd30Values
+  err = binary.Read(bytes.NewReader(b), binary.LittleEndian, &values)
+  if err != nil {
+    return fmt.Errorf("Unable to cast into struct: %v", err)
+  }
+  var co2concentration float32 = float32(values.CO2Conc) / 100;
+  var temperature float32 = float32(values.Temp) / 100;
+  var humidity float32 = float32(values.Hum) / 100;
+
+  // log.Printf("CO2: %f, Temp: %f, Hum: %f, Status: %d", co2concentration, temperature, humidity, values.Status)
+
+  (*variables)["CO2concentration"] = database.VariableType {
+    Label: "CO2concentration",
+    Variable: "Concentration",
+    Unit: "ppm",
+    Value: co2concentration,
+  }
+  (*variables)["Temperature"] = database.VariableType {
+    Label: "Temperature",
+    Variable: "Temperature",
+    Unit: "°C",
+    Value: temperature,
+  }
+  (*variables)["Humidity"] = database.VariableType {
+    Label: "Humidity",
+    Variable: "Humidity",
+    Unit: "%",
+    Value: humidity,
+  }
+  (*variables)["Brightness"] = database.VariableType {
+    Label: "Brightness",
+    Variable: "Brightness",
+    Unit: "",
+    Value: values.Bri,
+  }
+
+  (*attributes)["Status"] = values.Status
+  return nil
+}