add decoder for lsn50 3-way

deployment/encrypt-secrets.sh

@@ -1,9 +1,7 @@
 #!/bin/bash
 
-if [ "$ENCRYPTION_KEY" = "" ]; then
+ENCRYPTION_KEY=`openssl rand -hex 32`
-  echo "ENCRYPTION_KEY not set"
+echo $ENCRYPTION_KEY
-  exit 1
-fi
 
 SECRETS_PLAINTEXT_FILE=secrets.txt
 SECRETS_CIPHERTEXT_FILE=secrets.enc

deployment/instances/udi-saerbeck/default/config.json

@@ -0,0 +1,22 @@
+{
+  "mqtt": {
+    "broker": "ssl://eu1.cloud.thethings.network:8883",
+    "username": "de-hottis-saerbeck-monitoring@ttn",
+    "password": "ENV",
+    "tlsEnable": "true"
+  },
+  "topicMappings": [
+    {
+      "topics": [ "v3/#" ],
+      "handler": "TTN",
+      "id": "TTN0",
+      "config": {
+        "attributes": {
+        }
+      }
+    }
+  ],
+  "archiver": {
+    "dir": "/archive"
+  }
+}

deployment/secrets.enc

@@ -1,32 +1,38 @@
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src/udi/handlers/ttn/models/draginoLsn50/draginoLsn50.go

@@ -0,0 +1,75 @@
+package draginoLsn50
+
+import (
+  "fmt"
+  "strconv"
+  "encoding/json"
+  "udi/database"
+)
+
+/*
+      "decoded_payload": {
+        "ALARM_status": "FALSE",
+        "BatV": 3.659,
+        "Temp_Black": 3276.7,
+        "Temp_Red": 22.6,
+        "Temp_White": 3276.7,
+        "Work_mode": "DS18B20"
+      },
+*/
+type message struct {
+  ALARM_status string `json:"ALARM_status"`
+  Bat float32 `json:"BatV"`
+  Work_mode string `json:"Work_mode"`
+  Temp_Black string `json:"Temp_Black"`
+  Temp_Red string `json:"Temp_Red"`
+  Temp_White string `json:"Temp_White"`
+}
+
+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)
+  }
+  var message message
+  err := json.Unmarshal(decodedPayload, &message)
+  if err != nil {
+    return fmt.Errorf("Unable to parse payload, fPort %d, error %s", fPort, err)
+  }
+  (*variables)["Battery"] = database.VariableType {
+    Label: "Battery",
+    Variable: "Voltage",
+    Unit: "V",
+    Value: message.Bat,
+  }
+  (*variables)["Alarm"] = database.VariableType {
+    Label: "Alarm",
+    Variable: "Alarm",
+    Unit: "",
+    Value: message.ALARM_status,
+  }
+  (*variables)["Temp_Red"] = database.VariableType {
+    Label: "Temp_Red",
+    Variable: "Temperature",
+    Unit: "°C",
+    Value: message.Temp_Red,
+  }
+  (*variables)["Temp_Black"] = database.VariableType {
+    Label: "Temp_Black",
+    Variable: "Temperature",
+    Unit: "°C",
+    Value: message.Temp_Black,
+  }
+  (*variables)["Temp_White"] = database.VariableType {
+    Label: "Temp_White",
+    Variable: "Temperature",
+    Unit: "°C",
+    Value: message.Temp_White,
+  }
+
+  (*attributes)["Status"] = "Ok"
+
+  return nil
+}
+
+
+

src/udi/handlers/ttn/ttn.go

@@ -11,6 +11,7 @@ import (
   "udi/handlers/ttn/models/draginoLdds75"
   "udi/handlers/ttn/models/draginoLmds200"
   "udi/handlers/ttn/models/draginoLse01"
+  "udi/handlers/ttn/models/draginoLsn50"
   "udi/handlers/ttn/models/rawPayloadPrinter"
   "udi/handlers/ttn/models/hottisScd30"
   "udi/database"
@@ -145,6 +146,8 @@ func (self *TTNHandler) Handle(message handler.MessageT) {
     parser = draginoLmds200.Parse
   case "dragino-lse01":
     parser = draginoLse01.Parse
+  case "dragino-lsn50":
+    parser = draginoLsn50.Parse
   case "raw-payload-printer":
     parser = rawPayloadPrinter.Parse
   case "hottis-scd30":