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Questions tagged [cumulocity]

Cumulocity is a proprietary, cloud-based Internet of Things (IoT) applications development platform.

Cumulocity is a proprietary, cloud-based Internet of Things (IoT) applications development platform with REST APIs to connect IoT devices. For connecting devices, many embedded environments using , , , , and others are supported.

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issue with c8ydevicecontrol.create

the code: this.sendOperations = function () { var operation = { deviceId: '12161', com_cumulocity_model_WebCamDevice: { name: 'take picture', parameters: { …
D. Chen
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CEP generate Measurement/Event not in UTC time but in Local

All Measurements came with a time-stamp (event time) of when the measurement was created. Some of these measurements are artificial ones, meaning that they are not created by the device itself, but by a CEP rule running inside the CoT. The "normal"…
b00b0
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Cumulocity implementing new protocol

I'm working on the tracker-agent and trying to add a new protocol to use with my devices. I tried to mimic what you did with the GL200 protocol, however when it reaches TrackerFactory.create(), it returns the following error: 16:05:47.912…
Gaetan L.
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Cumulocity Regionalization

Is it possible to adapt data display in Cumulocity to the current location of the accessor. E.g. to adapt date, time and units to the location and timezone of the current viewer. This is necessary for machines that are distributed worldwide but…
frmfl
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Esper very simple context and aggregation

I have a quite simple problem to modelize and I don't have experience in Esper, so I may be headed the wrong way so I'd like some insight. Here's the scenario: I have one stream of events "ParkingEvent", with two types of events "SpotTaken" and…
Gaetan L.
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How to fetch supported series for a fragmentType in Cumulocity?

Continuing the question posted here: How to get supported measurements of a device in Cumulocity? How am I able to fetch the possible measurement "units" (or series) for a fragmentType. For example I have a device which supports the following…
severi
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Cumulo city custom property in SCADA widget?

I would like to map a placeholder in a SCADA widget to a custom property that I put in my device via UpdateManagedObject. I can see the property using the API but it doesn't appear along native properties when I configure the widget.
Gaetan L.
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Cumulocity measurement representation

I create measurements at reception of an event, I can get them using the API, but they are not represented graphically in the Device Management interface. I there a specific format they would have to respect to be representable automatically? If so,…
Gaetan L.
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Send processed data from a CEL Rule in Cumulocity towards an external REST Service

My UseCase is this: in Cumulocity many events from Devices are collected and processed by some 'Cumulocity Event Language' Scripts. Now i need this data be processed further in some backoffice and analysis systems. My Idea is to PUSH the data by an…
mbader
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Storing custom application configurations on cumulocity

Is there a way to store custom application configurations on the Cumulocity backend through the c8y.sdk? I would like to store a JSON with configuration information specific to an application created using the the smart app toolkit.
severi
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setting c8y_Command result String from Java

I am trying to implement the c8y_Command (Shell) OperationType in the java-agent. I got to the point where I can run the command on the device, I can also set the OperationStatus but I did not find the way to send back the result (command output)…
Peter
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Fetch aggregated data from Cumulocity

Is it possible to fetch aggregated measurement data using the REST api or the c8y.sdk javascript module from Cumulocity. The use case here would be that I would like to fetch measurements for a given time frame so that there would be one measurement…
severi
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Configuring Smart Rules through REST-interface or smart app-toolkit in Cumulocity

Is it possible to create Smart Rules either using the provided REST interface or c8y.core angular-module on a custom Cumulocity application. I am trying to create a Cumulocity application using the smart app toolkit in which the user should be able…
severi
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Adding data points from non-cumulocity sensor

I created a measurements Java class called LoraRfInfo. I add LoraRfInfo as a measurement into Cumulocity as follows: measurementRep.setSource(mo); measurementRep.setType("tl_LoraRfInfo"); measurementRep.set(loraRfSignal); measurementRep.setTime(new…
Olaf Peters
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Make Time property optional

What do you think about making the "time" property optional in request body to provide more flexibility. This property could be added automatically with current date and time when not present in the request. It could be useful for SigFox…
Thomas Lallement
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