locative handler

migration/migrate-level.py

@@ -4,8 +4,10 @@ from loguru import logger
 try:
     srcConn = psycopg2.connect(database="level_monitoring_berresheim")
     srcConn.autocommit = False
+    destConn = psycopg2.connect(database="udi-berresheim")
+    destConn.autocommit = False
 
-    with srcConn.cursor() as srcCur:
+    with srcConn.cursor() as srcCur, destConn.cursor() as destCur:
         srcCur.execute("select time, application_name, raw_level, level, status, battery from measurement_t")
         for srcObj in srcCur:
             timestamp = srcObj[0]
@@ -20,10 +22,17 @@ try:
             destTime = timestamp
             destApplication = "de-hottis-level-monitoring"
             destDevice = "eui-a84041a2c18341d6"
-            destAttributes = '{"ApplicationId":"de-hottis-level-monitoring", "DeviceType":"dragino-ldds75", "Hint": "Migrated"}'
-            destValues = '{"Battery":{"unit":"V","label":"Battery","value":' + str(battery) + ',"variable":"Voltage"}, "Distance":{"unit":mm","label":"Distance","variable":"Level","value":' + str(rawLevel) + '}, "CorrectedDistance":{"unit":"mm", "label":"CorrectedDistance", "variable":"Level","value":' + str(level) + '}}'
+            destAttributes = '{"ApplicationId":"de-hottis-level-monitoring", "DeviceType":"dragino-ldds75", "Status":"' + status + '","Hint": "Migrated"}'
+            destValues = '{"Battery":{"unit":"V","label":"Battery","value":' + str(battery) + ',"variable":"Voltage"}, "Distance":{"unit":"mm","label":"Distance","variable":"Level","value":' + str(rawLevel) + '}, "CorrectedDistance":{"unit":"mm", "label":"CorrectedDistance", "variable":"Level","value":' + str(level) + '}}'
             logger.info(f"{destTime=}, {destApplication=}, {destDevice=}, {destAttributes=}, {destValues=}")
+
+            destCur.execute("insert into measurements (time, application, device, attributes, values) values(%s, %s, %s, %s, %s)",
+                            (destTime, destApplication, destDevice, destAttributes, destValues))
+            destConn.commit()
 finally:
     if srcConn:
         srcConn.close()
+    if destConn:
+        destConn.close()
+
 

migration/migrate-pv.py

@@ -0,0 +1,79 @@
+import psycopg2
+from loguru import logger
+import os
+
+srcPgHost = os.environ["SRC_PGHOST"]
+srcPgUser = os.environ["SRC_PGUSER"]
+srcPgPassword = os.environ["SRC_PGPASSWORD"]
+srcPgDatabase = os.environ["SRC_PGDATABASE"]
+destPgHost = os.environ["DEST_PGHOST"]
+destPgUser = os.environ["DEST_PGUSER"]
+destPgPassword = os.environ["DEST_PGPASSWORD"]
+destPgDatabase = os.environ["DEST_PGDATABASE"]
+
+try:
+    srcConn = psycopg2.connect(
+                host=srcPgHost,
+                dbname=srcPgDatabase,
+                user=srcPgUser,
+                password=srcPgPassword,
+                sslmode='require'
+            )
+    srcConn.autocommit = False
+
+    destConn = psycopg2.connect(
+                host=destPgHost,
+                dbname=destPgDatabase,
+                user=destPgUser,
+                password=destPgPassword,
+                sslmode='require'
+            )
+    destConn.autocommit = False
+
+    with srcConn.cursor() as srcCur, destConn.cursor() as destCur:
+        srcCur.execute("select time, deviceid, status, state, importenergyactive, importenergyreactive, exportenergyactive, exportenergyreactive, powerapparent, poweractive, powerreactive, powerdemandpositive, powerdemandreverse, factor, angle, voltage, current, powerdemand from pv_power_measurement_t order by time")
+        for srcObj in srcCur:
+            timestamp = srcObj[0]
+            deviceName = srcObj[1]
+            status = srcObj[2]
+            state = srcObj[3]
+            importenergyactive = srcObj[4]
+            importenergyreactive = srcObj[5]
+            exportenergyactive = srcObj[6]
+            exportenergyreactive = srcObj[7]
+            powerapparent = srcObj[8]
+            poweractive = srcObj[9]
+            powerreactive = srcObj[10]
+            powerdemandpositive = srcObj[11]
+            powerdemandreverse = srcObj[12]
+            factor = srcObj[13]
+            angle = srcObj[14]
+            voltage = srcObj[15]
+            current = srcObj[16]
+            powerdemand = srcObj[17]
+
+
+            logger.info(f"{timestamp=}, {deviceName=}")
+
+            destTime = timestamp
+            destApplication = "PV"
+            destDevice = "Powermeter"
+            destAttributes = f"{{\"ApplicationId\":\"PV\", \"Status\":\"{status}\",\"Hint\": \"Migrated\"}}"
+            destValues = f"{{\"Cnt\": {{\"unit\": \"\", \"label\": \"\", \"value\": \"-1\", \"variable\": \"Cnt\"}}, \"Angle\": {{\"unit\": \"degree\", \"label\": \"\", \"value\": \"{angle}\", \"variable\": \"Angle\"}}, \"State\": {{\"unit\": \"\", \"label\": \"\", \"value\": \"{state}\", \"variable\": \"State\"}}, \"Factor\": {{\"unit\": \"\", \"label\": \"\", \"value\": \"{factor}\", \"variable\": \"Factor\"}}, \"Current\": {{\"unit\": \"A\", \"label\": \"\", \"value\": \"{current}\", \"variable\": \"Current\"}}, \"Voltage\": {{\"unit\": \"V\", \"label\": \"\", \"value\": \"{voltage}\", \"variable\": \"Voltage\"}}, \"PowerActive\": {{\"unit\": \"W\", \"label\": \"\", \"value\": \"{poweractive}\", \"variable\": \"PowerActive\"}}, \"PowerApparent\": {{\"unit\": \"VA\", \"label\": \"\", \"value\": \"{powerapparent}\", \"variable\": \"PowerApparent\"}}, \"PowerReactive\": {{\"unit\": \"VA\", \"label\": \"\", \"value\": \"{powerreactive}\", \"variable\": \"PowerReactive\"}}, \"ExportEnergyActive\": {{\"unit\": \"Wh\", \"label\": \"\", \"value\": \"{exportenergyactive}\", \"variable\": \"ExportEnergyActive\"}}, \"ImportEnergyActive\": {{\"unit\": \"Wh\", \"label\": \"\", \"value\": \"{importenergyactive}\", \"variable\": \"ImportEnergyActive\"}}, \"PowerDemandReverse\": {{\"unit\": \"W\", \"label\": \"\", \"value\": \"{powerdemandreverse}\", \"variable\": \"PowerDemandReverse\"}}, \"PowerDemandPositive\": {{\"unit\": \"W\", \"label\": \"\", \"value\": \"{powerdemandpositive}\", \"variable\": \"PowerDemandPositive\"}}, \"ExportEnergyReactive\": {{\"unit\": \"VAh\", \"label\": \"\", \"value\": \"{exportenergyreactive}\", \"variable\": \"ExportEnergyReactive\"}}, \"ImportEnergyReactive\": {{\"unit\": \"VAh\", \"label\": \"\", \"value\": \"{importenergyreactive}\", \"variable\": \"ImportEnergyReactive\"}}}}"
+            logger.info(f"{destTime=}, {destApplication=}, {destDevice=}, {destAttributes=}, {destValues=}")
+
+
+            try:
+                destCur.execute("insert into measurements (time, application, device, attributes, values) values(%s, %s, %s, %s, %s)",
+                                (destTime, destApplication, destDevice, destAttributes, destValues))
+                destConn.commit()
+            except Exception as e:
+                destConn.rollback()
+                logger.error(f"Error {e} when inserted time {destTime}")
+finally:
+    if srcConn:
+        srcConn.close()
+    if destConn:
+        destConn.close()
+
+

migration/migrate-temperature.py

@@ -0,0 +1,78 @@
+import psycopg2
+from loguru import logger
+import os
+
+srcPgHost = os.environ["SRC_PGHOST"]
+srcPgUser = os.environ["SRC_PGUSER"]
+srcPgPassword = os.environ["SRC_PGPASSWORD"]
+srcPgDatabase = os.environ["SRC_PGDATABASE"]
+destPgHost = os.environ["DEST_PGHOST"]
+destPgUser = os.environ["DEST_PGUSER"]
+destPgPassword = os.environ["DEST_PGPASSWORD"]
+destPgDatabase = os.environ["DEST_PGDATABASE"]
+
+try:
+    srcConn = psycopg2.connect(
+                host=srcPgHost,
+                dbname=srcPgDatabase,
+                user=srcPgUser,
+                password=srcPgPassword,
+                sslmode='require'
+            )
+    srcConn.autocommit = False
+
+    destConn = psycopg2.connect(
+                host=destPgHost,
+                dbname=destPgDatabase,
+                user=destPgUser,
+                password=destPgPassword,
+                sslmode='require'
+            )
+    destConn.autocommit = False
+
+    with srcConn.cursor() as srcCur, destConn.cursor() as destCur:
+        srcCur.execute("select time, location, status, temperature, category from room_climate_measurement_t where category = 'heating' and time > '2023-12-19 05:20:00' order by time")
+        for srcObj in srcCur:
+            timestamp = srcObj[0]
+            location = srcObj[1]
+            status = srcObj[2]
+            temperature = srcObj[3]
+            category = srcObj[4]
+
+            logger.info(f"{timestamp=}, {location=}, {status=}, {temperature=}, {category=}")
+
+            destTime = timestamp
+
+            match category:
+                case 'heating':
+                    destApplication = 'Temperature Heating'
+                case 'Outdoor':
+                    destApplication = 'Temperature Wago'
+                case 'Device':
+                    destApplication = 'Temperature Wago'
+                case 'Indoor':
+                    destApplication = 'Temperature Multisensor' if location != 'Anna-Koeln-2' else 'Temperature Shelly Plus HT'
+                case 'Special':
+                    destApplication = 'Temperature Multisensor'
+
+            destDevice = location
+            destAttributes = '{"ApplicationId":"temperature-imported", "Status":"' + status + '","Location":"' + location + '","Category":"' + category + '","Hint": "Migrated"}'
+            destValues = '{"Value": {"unit": "°C", "label": "", "value": "' + str(temperature) + '", "variable": ""}}'
+
+            logger.info(f"{destTime=}, {destApplication=}, {destDevice=}, {destAttributes=}, {destValues=}")
+
+            try:
+                destCur.execute("insert into measurements (time, application, device, attributes, values) values(%s, %s, %s, %s, %s)",
+                                (destTime, destApplication, destDevice, destAttributes, destValues))
+                destConn.commit()
+            except Exception as e:
+                destConn.rollback()
+                logger.error(f"Error {e} when inserted time {destTime}")
+
+finally:
+    if srcConn:
+        srcConn.close()
+
+    if destConn:
+        destConn.close()
+

queries/berresheim.sql

@@ -0,0 +1,8 @@
+create or replace view level_v as
+  select time, 
+         cast(values->'CorrectedDistance'->>'value' as float) as level,
+         cast(values->'Battery'->>'value' as float) as battery,
+         attributes->>'Status' as status,
+         device
+    from measurements
+    where application = 'de-hottis-level-monitoring';

queries/hottis.sql

@@ -45,3 +45,34 @@ create or replace view temperature_v as
     from measurements
     where application in ('Temperature Multisensor', 'Temperature Shelly Plus HT');
 
+create or replace view temperature2_v as
+  select time,
+         cast(values->'Value'->>'value' as float) as temperature,
+         device
+    from measurements
+    where application = 'Temperature Wago';
+
+create or replace view humidity_v as
+  select time,
+         cast(values->'Value'->>'value' as float) as humidity,
+         device
+    from measurements
+    where application in ('Humidity Multisensor');
+
+create or replace view soil_v as
+  select time,
+         cast(values->'Water'->>'value' as float) as water,
+         cast(values->'Conductance'->>'value' as float) as conductance,
+         cast(values->'Temperature'->>'value' as float) as temperature,
+         device
+    from measurements
+    where application = 'de-hottis-app01' and attributes->>'DeviceType' = 'dragino-lse01';
+
+create or replace view co2_v as
+  select time,
+         cast(values->'CO2concentration'->>'value' as float) as co2concentration,
+         cast(values->'Humidity'->>'value' as float) as humidity,
+         cast(values->'Temperature'->>'value' as float) as temperature,
+         device
+    from measurements
+    where application = 'de-hottis-app01' and attributes->>'DeviceType' = 'hottis-scd30';

queries/old-daily-temperature-query.sql

@@ -0,0 +1,11 @@
+select
+        extract('day' from time)::varchar || '.' || extract('month' from time)::varchar || '.' || extract('year' from time)::varchar as day,
+        avg(temperature)::numeric(10,0) as temperature
+    from room_climate_measurement_t
+    where
+        category = 'Outdoor' and
+        location = 'Outdoor' and
+        extract('hour' from time) = 12 and
+        time::date = now()::date
+    group by day
+

queries/old-pv-yield-query.sql

@@ -0,0 +1,73 @@
+-- query
+
+with 
+    first_day_in_year as (
+        select 
+                date_trunc('day', min(time)) as day
+            from pv_power_measurement_t
+            where 
+                time between date_trunc('year', time) and now()
+    ),
+    first_value_in_year as (
+        select 
+                time_bucket('1 day', time) as interval,
+                first(exportenergyactive, time) as energy
+            from pv_power_measurement_t
+            where 
+                time between (select day from first_day_in_year) and (select day from first_day_in_year) + interval '1 day' and
+                status = 'Ok'
+            group by interval
+    ),
+    first_day_in_month as (
+        select 
+                date_trunc('day', min(time)) as day
+            from pv_power_measurement_t
+            where 
+                time between date_trunc('month', now()) and now()
+    ),
+    first_value_in_month as (
+        select 
+                time_bucket('1 day', time) as interval,
+                first(exportenergyactive, time) as energy
+            from pv_power_measurement_t
+            where 
+                time between (select day from first_day_in_month) and (select day from first_day_in_month) + interval '1 day' and
+                status = 'Ok'
+            group by interval
+    ),
+    first_value_in_day as (
+        select
+                time_bucket('1 day', time) as interval,
+                first(exportenergyactive, time) as energy
+            from pv_power_measurement_t
+            where time >= date_trunc('day', now())
+            group by interval
+    ),
+    last_value as (
+        select  
+                time_bucket('1 day', time) as interval,
+                last(exportenergyactive, time) as energy
+            from pv_power_measurement_t
+            where 
+                time between date_trunc('day', now()) and date_trunc('day', now()) + interval '1 day' and
+                status = 'Ok'
+            group by interval
+    )
+    select
+        extract(year from (select day from first_day_in_year))::text as period_value,
+        'Year' as period_name,
+        round(((select energy from last_value) - (select energy from first_value_in_year))::numeric, 2) as yield
+    union
+    select
+        to_char((select day from first_day_in_month), 'Month') as period_value,
+        'Month' as period_name,
+        round(((select energy from last_value) - (select energy from first_value_in_month))::numeric, 2) as yield
+    union
+    select
+        now()::date::text as period_value,
+        'Day' as period_name,
+        round(((select energy from last_value) - (select energy from first_value_in_day))::numeric, 2) as yield;
+
+-- output format
+-- wn@atuin:~/Workspace/go-workspace/src/universal-data-ingest  [main ≡ +0 ~1 -0 !]$ mosquitto_sub -h 172.23.1.102 -v -t IoT/PV/Yields
+-- IoT/PV/Yields {"Month":"1.43","Year":"285.39","Day":"0.00"}

queries/pg.sql

@@ -3,13 +3,7 @@ create or replace view power_v as
          cast(values->'ActivePowerL1'->>'value' as float) as power_l1,
          cast(values->'ActivePowerL2'->>'value' as float) as power_l2,
          cast(values->'ActivePowerL3'->>'value' as float) as power_l3,
-         device
-    from measurements
-    where application = 'com-passavant-geiger-poc' and
-          attributes->>'FPort' = '1';
-
-create or replace view power_factor_v as
-  select time,
+         cast(values->'ActivePowerL123'->>'value' as float) as power_total,
          cast(values->'PowerfactorL1'->>'value' as float) as factor_l1,
          cast(values->'PowerfactorL2'->>'value' as float) as factor_l2,
          cast(values->'PowerfactorL3'->>'value' as float) as factor_l3,

src/udi/ENVDB.udiload

@@ -2,9 +2,13 @@ if [ "$1" = "" ]; then
   echo "set namespace as argument"
 fi
 N=$1
+if [ "$2" = "" ]; then
+  echo "set instance as argument"
+fi
+I=$2
 PGHOST=`kubectl get services traefik -n system -o jsonpath="{.status.loadBalancer.ingress[0].ip}"`
-PGPASSWORD=`kubectl get secrets udi-db-cred -n $N -o jsonpath="{.data.PGPASSWORD}" | base64 --decode`
-PGUSER=`kubectl get secrets udi-db-cred -n $N -o jsonpath="{.data.PGUSER}" | base64 --decode`
-PGSSLMODE=`kubectl get secrets udi-db-cred -n $N -o jsonpath="{.data.PGSSLMODE}" | base64 --decode`
-PGDATABASE=`kubectl get secrets udi-db-cred -n $N -o jsonpath="{.data.PGDATABASE}" | base64 --decode`
+PGPASSWORD=`kubectl get secrets $I-udi-db-cred -n $N -o jsonpath="{.data.PGPASSWORD}" | base64 --decode`
+PGUSER=`kubectl get secrets $I-udi-db-cred -n $N -o jsonpath="{.data.PGUSER}" | base64 --decode`
+PGSSLMODE=`kubectl get secrets $I-udi-db-cred -n $N -o jsonpath="{.data.PGSSLMODE}" | base64 --decode`
+PGDATABASE=`kubectl get secrets $I-udi-db-cred -n $N -o jsonpath="{.data.PGDATABASE}" | base64 --decode`
 export PGUSER PGHOST PGPASSWORD PGSSLMODE PGDATABASE

src/udi/dispatcher/dispatcher.go

@@ -16,6 +16,7 @@ import "udi/handlers/mbgw3"
 import "udi/handlers/sver"
 import "udi/handlers/svej"
 import "udi/handlers/dt1t"
+import "udi/handlers/locative"
 
 
 var handlerMap map[string]handler.Handler = make(map[string]handler.Handler)
@@ -44,6 +45,8 @@ func InitDispatcher() {
       factory = svej.New
     case "DT1T":
       factory = dt1t.New
+    case "Locative":
+      factory = locative.New
     default:
       factory = nil
       log.Printf("No handler %s found, ignore mapping", mapping.Handler)

src/udi/handlers/locative/locative.go

@@ -0,0 +1,73 @@
+package locative
+
+import (
+  "reflect"
+  "time"
+  "log"
+  "encoding/json"
+  "udi/config"
+  "udi/handlers/handler"
+  "udi/database"
+)
+
+
+type LocativeHandler struct {
+  handler.CommonHandler
+  dbh *database.DatabaseHandle
+}
+
+type locativeEvent struct {
+  Trigger string `json:"trigger"`
+  Device string `json:"device"`
+  Location string `json:"location"`
+  Latitude string `json:"latitude"`
+  Longitude string `json:"longitude"`
+  Person string `json:"person"`
+  Timestamp string `json:"timestamp"`
+}
+
+func New(id string, config config.HandlerConfigT) handler.Handler {
+  t := &LocativeHandler {
+  }
+  t.Id = id
+  t.dbh = database.NewDatabaseHandle()
+  return t
+}
+
+
+func (self *LocativeHandler) Handle(message handler.MessageT) {
+  log.Printf("Handler Locative %d processing %s -> %s", self.Id, message.Topic, message.Payload)
+
+  var locativeEvent locativeEvent
+  err := json.Unmarshal([]byte(message.Payload), &locativeEvent)
+  if err != nil {
+    self.Lost("Unable to parse payload into locativeEvent struct", err, message)
+    return
+  }
+
+  variables := make(map[string]database.VariableType)
+  locativeEventStructValue := reflect.ValueOf(locativeEvent)
+  for i := 0; i < locativeEventStructValue.NumField(); i++ {
+    field := locativeEventStructValue.Type().Field(i)
+    fieldValue := locativeEventStructValue.Field(i)
+    v := database.VariableType {
+      Label: "",
+      Variable: field.Name,
+      Unit: "",
+      Value: fieldValue.Interface(),
+    }
+    variables[field.Name] = v
+  }
+
+  measurement := database.Measurement {
+    Time: time.Now(),
+    Application: "Locative",
+    Device: locativeEvent.Person,
+    Values: variables,
+  }
+
+  self.dbh.StoreMeasurement(&measurement)
+  self.S()
+}
+
+

src/udi/handlers/ttn/models/draginoLdds75/draginoLdds75.go

@@ -2,7 +2,7 @@ package draginoLdds75
 
 import (
   "fmt"
-  "log"
+  // "log"
   "strings"
   "strconv"
   "encoding/json"
@@ -26,7 +26,7 @@ type message struct {
   TempC_DS18B20 string `json:"TempC_DS18B20"`
 }
 
-func Parse(fPort int, decodedPayload []byte, _ string, variables *map[string]database.VariableType, device *database.Device) error {
+func Parse(fPort int, decodedPayload []byte, _ string, variables *map[string]database.VariableType, attributes *map[string]interface{}, device *database.Device) error {
   if fPort != 2 {
     return fmt.Errorf("Unexpected fPort %d", fPort)
   }
@@ -55,11 +55,20 @@ func Parse(fPort int, decodedPayload []byte, _ string, variables *map[string]dat
     Unit: "mm",
     Value: distance,
   }
+
+  if distance == 20 {
+    (*attributes)["Status"] = "invalid value"
+  } else if distance == 0 {
+    (*attributes)["Status"] = "no sensor detected"
+  } else {
+    (*attributes)["Status"] = "Ok"
+  }
+
   groundLevelI, exists := device.Attributes["GroundLevel"]
   groundLevelS, ok := groundLevelI.(string)
   groundLevel, err3 := strconv.Atoi(groundLevelS)
   if exists && err3 == nil && ok {
-    log.Println("add corrected distance")
+    //log.Println("add corrected distance")
     correctedDistance := groundLevel - distance
     (*variables)["CorrectedDistance"] = database.VariableType {
       Label: "CorrectedDistance",
@@ -67,11 +76,11 @@ func Parse(fPort int, decodedPayload []byte, _ string, variables *map[string]dat
       Unit: "mm",
       Value: correctedDistance,
     }
-  } else {
+  } /* else {
     log.Printf("no ground level: %s %s %s", exists, err3, ok)
     log.Printf("Device: %s", device)
     log.Printf("Attributes: %s", device.Attributes)
-  }
+  } */
 
   return nil
 }

src/udi/handlers/ttn/models/draginoLmds200/draginoLmds200.go

@@ -26,7 +26,7 @@ type message struct {
   Dis2 int `json:"dis2"`
 }
 
-func Parse(fPort int, decodedPayload []byte, _ string, variables *map[string]database.VariableType, device *database.Device) error {
+func Parse(fPort int, decodedPayload []byte, _ string, variables *map[string]database.VariableType, attributes *map[string]interface{}, device *database.Device) error {
   if fPort != 2 {
     return fmt.Errorf("Unexpected fPort %d", fPort)
   }
@@ -55,6 +55,15 @@ func Parse(fPort int, decodedPayload []byte, _ string, variables *map[string]dat
     Unit: "mm",
     Value: distance2,
   }
+
+  if distance1 == 2 {
+    (*attributes)["Status"] = "invalid value"
+  } else if distance1 == 1 {
+    (*attributes)["Status"] = "no sensor detected"
+  } else {
+    (*attributes)["Status"] = "Ok"
+  }
+
   groundLevelI, exists := device.Attributes["GroundLevel"]
   groundLevelS, ok := groundLevelI.(string)
   groundLevel, err3 := strconv.Atoi(groundLevelS)

src/udi/handlers/ttn/models/draginoLse01/draginoLse01.go

@@ -24,7 +24,7 @@ type message struct {
   Water_SOIL string `json:"water_SOIL"`
 }
 
-func Parse(fPort int, decodedPayload []byte, _ string, variables *map[string]database.VariableType, device *database.Device) error {
+func Parse(fPort int, decodedPayload []byte, _ string, variables *map[string]database.VariableType, _ *map[string]interface{}, _ *database.Device) error {
   if fPort != 2 {
     return fmt.Errorf("Unexpected fPort %d", fPort)
   }

src/udi/handlers/ttn/models/emuProfIILoRaCfg1/emuProfIILoRaCfg1.go

@@ -177,7 +177,7 @@ type emuMessage1 struct {
 
 
 
-func Parse(fPort int, decodedPayload []byte, _ string, variables *map[string]database.VariableType, _ *database.Device) error {
+func Parse(fPort int, decodedPayload []byte, _ string, variables *map[string]database.VariableType, _ *map[string]interface{}, _ *database.Device) error {
   //log.Printf("Parse input: %d, %s", fPort, decodedPayload)
   switch fPort {
   case 1:

src/udi/handlers/ttn/models/hottisScd30/hottisScd30.go

@@ -0,0 +1,61 @@
+package hottisScd30
+
+import (
+  //"log"
+  "fmt"
+  "bytes"
+  "encoding/base64"
+  "encoding/binary"
+  "udi/database"
+)
+
+type hottisScd30Values struct {
+  Status uint8
+  CO2Conc int32
+  Temp int32
+  Hum 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,
+  }
+
+  (*attributes)["Status"] = values.Status
+  return nil
+}

src/udi/handlers/ttn/models/rawPayloadPrinter/rawPayloadPrinter.go

@@ -3,15 +3,23 @@ package rawPayloadPrinter
 import (
   "log"
   "fmt"
+  "encoding/base64"
+  "encoding/hex"
   "udi/database"
 )
 
 
-func Parse(fPort int, _ []byte, frmPayload string, variables *map[string]database.VariableType, device *database.Device) error {
+func Parse(fPort int, _ []byte, frmPayload string, variables *map[string]database.VariableType, _ *map[string]interface{}, _ *database.Device) error {
   if fPort != 2 {
     return fmt.Errorf("Unexpected fPort %d", fPort)
   }
 
-  log.Printf("frmPayload: %s", frmPayload)
+  bytes, err := base64.StdEncoding.DecodeString(frmPayload)
+  if err != nil {
+    return fmt.Errorf("Unable to base64-decode payload: %v", err)
+  }
+  hexString := hex.EncodeToString(bytes)
+
+  log.Printf("Payload: %s", hexString)
   return nil
 }

src/udi/handlers/ttn/ttn.go

@@ -12,6 +12,7 @@ import (
   "udi/handlers/ttn/models/draginoLmds200"
   "udi/handlers/ttn/models/draginoLse01"
   "udi/handlers/ttn/models/rawPayloadPrinter"
+  "udi/handlers/ttn/models/hottisScd30"
   "udi/database"
 )
 
@@ -134,7 +135,7 @@ func (self *TTNHandler) Handle(message handler.MessageT) {
 
   //log.Printf("DeviceLabel: %s, DeviceType: %s", device.Label, device.DeviceType.ModelIdentifier)
 
-  var parser func(int, []byte, string, *map[string]database.VariableType, *database.Device) error
+  var parser func(int, []byte, string, *map[string]database.VariableType, *map[string]interface{}, *database.Device) error
   switch device.DeviceType.ModelIdentifier {
   case "emu-prof-ii-lora-cfg1":
     parser = emuProfIILoRaCfg1.Parse
@@ -146,6 +147,8 @@ func (self *TTNHandler) Handle(message handler.MessageT) {
     parser = draginoLse01.Parse
   case "raw-payload-printer":
     parser = rawPayloadPrinter.Parse
+  case "hottis-scd30":
+    parser = hottisScd30.Parse
   default:
     self.Lost(fmt.Sprintf("No parser found for %s", device.DeviceType.ModelIdentifier), nil, message)
     return
@@ -156,6 +159,7 @@ func (self *TTNHandler) Handle(message handler.MessageT) {
                  uplinkMessage.UplinkMessage.DecodedPayload.Payload, 
                  uplinkMessage.UplinkMessage.FrmPayload,
                  &(measurement.Values), 
+                 &(measurement.Attributes),
                  device)
   if err3 != nil {
     self.Lost("Model parser failed", err3, message)