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  1. Help-Desk
  2. HELP-16808

[fiware-askbot] IoTAgent-LoRaWAN: Error decoding CaynneLPP message

        Details

        • Type: Monitor
        • Status: Closed
        • Priority: Major
        • Resolution: Done
        • Affects Version/s: None
        • Fix Version/s: 2021
        • Component/s: None

          Description

          Created question in FIWARE Q/A platform on 24-06-2020 at 13:06
          Please, ANSWER this question AT https://ask.fiware.org/question/1171/iotagent-lorawan-error-decoding-caynnelpp-message/

          Question:
          IoTAgent-LoRaWAN: Error decoding CaynneLPP message

          Description:
          I've published this question in StackOverflow I've followed the official docs and apparently all docker containers are running with no errors, however, the fiware-IoT-agent (IoTAgent-LoRaWAN) is having issues to decode CayennLpp messages as you can see:

          fiware-iot-agent |

          {"timestamp":"2020-06-23T11:45:53.689Z","level":"info","message":"New message in topic"}

          fiware-iot-agent |

          {"timestamp":"2020-06-23T11:45:53.690Z","level":"info","message":"IOTA provisioned devices:"}

          fiware-iot-agent |

          {"timestamp":"2020-06-23T11:45:53.691Z","level":"info","message":"Decoding CaynneLPP message:+XQ="}

          fiware-iot-agent |

          {"timestamp":"2020-06-23T11:45:53.691Z","level":"error","message":"Error decoding CaynneLPP message:Error: Invalid CayennLpp buffer size"}

          fiware-iot-agent |

          {"timestamp":"2020-06-23T11:45:53.691Z","level":"error","message":"Could not cast message to NGSI"}

          This is how I'm provisioning the device

          {
          "devices": [
          {
          "device_id": "node",
          "entity_name": "LORA-N-0",
          "entity_type": "LoraDevice",
          "timezone": "Europe/Madrid",
          "attributes": [

          { "object_id": "potVal", "name": "Pot_Value", "type": "Number" }

          ],
          "internal_attributes": {
          "lorawan": {
          "application_server": {
          "host": "eu.thethings.network",
          "username": "TTN_app_id",
          "password": "TTN_app_pw",
          "provider": "TTN"
          },
          "dev_eui": "TTN_dev_eui",
          "app_eui": "TTN_app_eui",
          "application_id": "TTN_app_id",
          "application_key": "TTN_app_skey"
          }
          }
          }
          ]
          }

          Of course, as I've said in StackOverflow, those }} are environment variables in Postman to avoid get sensible information published, anyway ... I'm not sure about the field "password": "{{TTN_app_pw" that I've used. Also ... I think this site should have better formatting options to publish this questions (or maybe I don't know the formatting tags)

          Thank you all.

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            backlogmanager Backlog Manager added a comment -

            2020-06-29 11:29|CREATED monitor | # answers= 1, accepted answer= False

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            backlogmanager Backlog Manager added a comment - 2020-06-29 11:29|CREATED monitor | # answers= 1, accepted answer= False

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              • Assignee:
                backlogmanager Backlog Manager
                Reporter:
                backlogmanager Backlog Manager
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                  Updated:
                  Resolved: