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About Elleshar
since
10-15-2021
12-09-2022
Elleshar
Established Member
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01-17-2022
04:15 PM
2 Likes
Hi Nick, thank you, great help! Problem solved. Sincerely Elleshar
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Hi Nick, What would be your specific requirements, so that a connection via a ServiceDependency and thereby the Celix framework would be necessary? ---> Not explicit necessary, we made it work via the datalayer, it would be more convinient and "cleaner" if we can inject it there. We got this idea, by looking at the interface for ethercat-masterapp in ctrlx-automation-sdk.1.12.0\ctrlX-automation-sdk\include\comm.ethercat.master\comm\ethercat\master\i_ethercatMasterProvider.h Sincerely Elleshar
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01-13-2022
08:41 AM
Hi Nick, here are more details on our setup (currently using SDK v1.10): We are creating a realtime-bundle, which registers some Nodes (with custom Datatypes/Flatbuffers) in the Datalayer. Since the bundle is called by the automation.core snap the getenv("SNAP") resolves to the location of the automation.core snap (/snap/rexroth-automationcore/360/). But our .bfbs files are stored in our own snap, so we tried to set the bfbsPath manually to "/snap/MY_SNAP/current/". When we tested our flatbuffer schema and compile mechanism with the register.node sample we found out, that it works as long as the bfbs Files are stored inside snap which they are used in: The (adapted) registernode sample works fine if the bfbsPath is set to "/snap/registernode/current/myFlatbuffer.bfbs". But if we set the path to "/snap/MY_SNAP/current/myFlatbuffer.bfbs" (we double checked: the file exists at that location) the same error as in our realtime bundle occurs (DL_INVALID_VALUE on registerType). As far as we understand/guess a rt-bundle runs in the context of the automation.core snap. And the problem seems to be that the different snaps cannot access the data of each other. Sincerely Elleshar
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Hello Community, is it possible to add the ethercatmasterapp in the following snippet? void Activator::init() { ..... // datalayer: cpp ServiceDependency w/ specifier 'name' ServiceDependency<sdk::control::XXXComponent, comm::datalayer::IDataLayerFactory> &serviceDepDl = component.createServiceDependency<comm::datalayer::IDataLayerFactory>(IDATALAYER_FACTORY_INTERFACE_NAME); serviceDepDl.setVersionRange(IDATALAYER_CONSUMER_RANGE); serviceDepDl.setRequired(true); serviceDepDl.setStrategy(DependencyUpdateStrategy::suspend); serviceDepDl.setCallbacks(&sdk::control::XXXComponent::cppDatalayerServiceStateChanged); serviceDepDl.setCallbacks(&sdk::control::XXXComponent::cppDatalayerServiceAdded, &sdk::control::XXXComponent::cppDatalayerServiceRemoved); } .... } Sincerely Elleshar
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01-11-2022
09:25 AM
Hi Nick, good idea. We tried it. We found out, that the problem lies in the usage of two snaps. The problem seems to be that the *.bfbs files reside in a different snap, than the snap which is using it (the bfbs data is part of our own snap, but the data is used by the rexroth-automationcore snap). If we are in only one snap our build mechanism works fine, else we get DL_INVALID_VALUE, how can we prevent this? Any suggestions? Thanks for you help! Sincerely Elleshar
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