Activity for co⚡e: Sparkplug™ MQTT edge
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hermsen modified a blog post
04 nov 2021: Alias mechanism looks promising
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04 nov 2021: Alias mechanism looks promising
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04 Nov 2021: Alias mechanism looks promising
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04 Nov 2021: Alias mechanism looks promising
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Definition; If use aliases = False then all aliases are 0 and thus not used. If Use aliases = True then all aliases are unique and start counting with 1,2 etc. All NCMD's are also sent during xBIRTH with an alias number if the alias mechanism is enabled (TRUE by default). Edge and Device Alias xBIRTH and XDATA mechanism are implemented. Edge and Device decode xCMD alias implemented, CODESYS Host decode aliases in xBIRTH and xDATA CODESYS Host sends alias xCMD
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Hi, thank you for your interest in our library. My previous reply seems binned somehow so here goes again. We are on the verge between implementation and testing of the new Alias mechanism. This is why the current binary does contain alias support yet. When alias support is sufficiently tested we will update the binaries so you can enjoy it. Alias is a mechanism that enables a small optimization in communication. Aliases are automatically assigned to metrics during only BIRTH. Aliases should therefor...
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Hi, thank you for your interest in our library. My previous reply seems binned somehow so here goes again. We are on the verge between implementation and testing of the new Alias mechanism. This is why the current binary does contain alias support yet. When alias support is sufficiently tested we will update the binaries so you can enjoy it. Alias is a mechanism that enables a small optimization in communication. Aliases are automatically assigned to metrics during only BIRTH. Aliases should therefor...
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Hi, thank you for your interest in our library. My previous reply seems binned somehow so here goes again. We are on the verge between implementation and testing of the new Alias mechanism. This is why the current binary does contain alias support yet. When alias support is sufficiently tested we will update the binaries so you can enjoy it. Alias is a mechanism that enables a small optimization in communication. Aliases are automatically assigned to metrics during only BIRTH. Aliases should therefor...
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Hi, thank you for your interest in our library. My previous reply seems binned somehow so here goes again. We are on the verge between implementation band testing of the new Alias mechanism.This is why the current binary does contain alias support yet. When alias support is sufficiently tested we will update the binaries so you can enjoy it. Alias is a mechanism that enables a small optimization in communication. Aliases are automatically assigned to metrics during only BIRTH. Aliases should therefor...
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Metric Alias
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vincentger created ticket #146
Metric Alias
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Are AWS IoT core, Azure IoT hub or Google Cloud supported?
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v1.4.2.35
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Merge commit '4894e0339fe55c0afe827898f780479d939e3a4a'
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Mice en place for Aliases
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Merge branch 'master' of https://forge.codesys.com/git/lib,cobolt,cobolt-edge.git
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v1.5.0.0
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Merge commit '044c585838fad171fbb37f45a008285e9ba98fcb'
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Expanded IMetric with Alias Property
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Merge commit '01b1e7c2767a05ef8140cf94e308a7a17d11216f'
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Merge branch 'main' of https://forge.codesys.com/git/lib,cobolt,library.git/
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Merge branch 'main' of https://forge.codesys.com/git/lib,cobolt,library.git/
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v1.4.2.33;
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Merge commit '6959dff38c00babe34f68d8cab0c933ff6d20292'
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i-campbell modified ticket #112
Metrics: Read only
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[#112] Read Only Metrics Example
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[#112] v1.4.0.2 Read Only Metrics
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[#112] Read Only Metrics
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// regard following as pseudo code // declaration of interface property usesAliases getter ONLY, returns input value of useAliasing. // Declaration of interface method Method getNewAlias : ULINT; // Body method implementation getNewAlias := _Alias; _Alias := _Alias +1; // 0 is reserved to flag no alias is given, never reset it // FB_Edge VAR_INPUT UseAliasing : BOOL := TRUE; // enables usage of aliases during communication, default enabled as it will optimize bandwidth usage END_VAR VAR _Alias :...
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// regard following as pseudo code // Declaration of interface method Method getNewAlias : ULINT; // Body method implementation getNewAlias := _Alias; _Alias := _Alias +1; // 0 is reserved to flag no alias is given, never reset it // FB_Edge VAR_INPUT UseAliasing : BOOL := TRUE; // enables usage of aliases during communication, default enabled as it will optimize bandwidth usage END_VAR VAR _Alias : ULINT := 1; // 0 means no alias is given END_VAR // NBIRTH & DBIRTH methods will test if the input...
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So it seems Edge1/Device1 Metrics must have different aliases to Edge1/Device2 Metrics, as well as Edge1 Metrics. So FB_Edge will have to provide a "getNewAlias()", which will return an ever increasing ULINT. during DBIRTH and NBIRTH, if a metric does not already have an alias, it must request one from itfEdge.getNewAlias() or THIS^.getNewAlias(). an input to the FB_Edge, VAR_INPUT UseAliasing : BOOL := TRUE; will determine whether to calculate and use aliasing.
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Metrics: Read only
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Device: Some Device Messages are skipped, noticably DBIRTH
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WSTringBuilder internal string declaration misses a size, so it is 80 chars max
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We have entirely redesigned the WStringBuilder. It has been integrated into Stack v1.4.2.30
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31 oct 2021: Edge Nodes are now able to send Metric Properties.
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31 october 2021: Edge Nodes are now able to send Metric Properties.
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16 oct 2021: co🔗e: A Linked List Solution has been born!
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Updated library and Edge Example with "properties".
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Example Project for Stack v1.4.2.31 - Properties
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Example Project for Host 1.3.0.1
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v1.3.0.1 Adapted calls to new method declarations of wstringbuilder
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Merge branch 'main' of https://forge.codesys.com/git/lib,cobolt,library.git/
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v1.4.2.31 Enables Metric.Property publishing by Edges and Devices
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Merge branch 'main' of https://forge.codesys.com/git/lib,cobolt,library.git/
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[#90] Properties
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v1.4.2.30
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Merge commit '19d7b0ada1915d56cb5576c0fc22866b3e5d4879'
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// regard following as pseudo code // Declaration of interface method Method getNewAlias : ULINT; // Body method implementation getNewAlias := _Alias; _Alias := _Alias +1; // 0 is reserved to flag no alias is given, never reset it // FB_Edge VAR_INPUT UseAliases : BOOL := TRUE; // enables usage of aliases during communication, default enabled as it will optimize bandwidth usage END_VAR VAR _Alias : ULINT := 1; // 0 means no alias is given END_VAR // NBIRTH & DBIRTH methods will test if the input...
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// regard as pseudo code // Declaration of interface method Method getNewAlias : ULINT; // Body method implementation getNewAlias := _Alias; _Alias := _Alias +1; // 0 is reserved to flag no alias is given, never reset it // FB_Edge VAR_INPUT UseAliases : BOOL := TRUE; // enables usage of aliases during communication, default enabled as it will optimize bandwidth usage END_VAR VAR _Alias : ULINT := 1; // 0 means no alias is given END_VAR // NBIRTH & DBIRTH methods will test if the input is enabled...
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// regard as pseudo code // Declaration of interface method Method getNewAlias : ULINT; // Body method implementation getNewAlias := _Alias; _Alias := _Alias +1; // initialise _Alias with 0, never reset it // FB_Edge VAR_INPUT UseAliases : BOOL := TRUE; // enables usage of aliases during communication END_VAR VAR _Alias : ULINT := 0; END_VAR
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// regard as pseudo code // Declaration of interface method Method getNewAlias : ULINT; // Body method implementation getNewAlias := _Alias; _Alias := _Alias +1; // initialise _Alias with 0, never reset it // FB_Edge VAR_INPUT UseAliases : BOOL := TRUE; // enables usage of aliases during communication END_VAR
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Commit of first binaries
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filling in Alias and Properties
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If you help us, maybe we can resolve these tickets sooner. Otherwise please be patient until these tickets are picked up in a (future) sprint.
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So it seems Edge1/Device1 Metrics must have different aliases to Edge1/Device2 Metrics, as well as Edge1 Metrics. So FB_Edge will have to provide a "getNewAlias()", which will return an ever increasing ULINT. during DBIRTH and NBIRTH, if a metric does not already have an alias, it must request one from itfEdge.getNewAlias() or THIS^.getNewAlias(). an input to the FB_Edge, VAR_INPUT UseAliases : BOOL := TRUE; will determine wether to calculate and send the aliases.
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These two are not implemented yet. Alias [#104] and Properties [#90]. Do you need them first for an Edge node or a Host node or both? The workaround would be: do not use aliases (identify metrics by name) send the properties instead as seperate metrics (e.g. "name": "inputs/0002/measurementTypeId")
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sbre created ticket #145
filling in Alias and Properties
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seems a mechanism with little room for forgiveness. any seqnum not received in exact order will trigger a ReBirth.. Idea Accept 'out of sequence' payloads within a certain "deadband" say we receive 9, 10, 12, 11, 13, 15, 14 we normally trigger a ReBirth, but we could allow to accept this out of sequence behavior without any course of action. This 'deadband' could be set by the user as a non normative behaviour i.e. "allow_out_of_sync_payload_deadband = 1 (0 = no, 1 or 2 = yes). this deadband works...
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seems a mechanism with little room for forgiveness. any seqnum not received in exact order will trigger a ReBirth.. Idea Accept 'out of sequence' payloads within a certain "deadband" say we receive 9, 10, 12, 11, 13 we normally trigger ar ReBirth, but we could allow to accept this out of sequence behavior without any course of action. This 'deadband' could be set by the user as a non normative behaviour i.e. "allow_out_of_sync_payload_deadband = 1 (0 = no, 1 or 2 = yes). this deadband works as an...
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seems a mechanism with little room for forgiveness. any seqnum not received in exact order will trigger a ReBirth.. Idea Accept 'out of sequence' payloads within a certain "deadband" say we receive 9, 10, 12, 11, 13 we normally trigger ar ReBirth, but we could allow to accept this out of sequence behavior without any course of action. This 'deadband' could be set by the user as a non normative behaviour i.e. "allow_out_of_sync_payload_deadband (0 = no, 1 or 2 = yes). this deadband works as an extra...
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seems a mechanism with little room for forgiveness. any seqnum not received in exact order will trigger a ReBirth.. Idea Accept 'out of sequence' payloads within a certain "deadband" say we receive 9, 10, 12, 11, 13 we normally trigger ar ReBirth, but we could allow to accept this out of sequence behavior without any course of action. This 'deadband' could be set by the user as a non normative behaviour i.e. "allow_out_of_sync_payload_deadband (0 = no, 1 or 2 = yes). this deadband works as an extra...
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seems a mechanism with little room for forgiveness. any seqnum not received in exact order will trigger a ReBirth.. Idea Accept 'out of sequence' payloads within a certain "deadband" say we receive 9, 10, 12, 11, 13 we normally trigger ar ReBirth, but we could allow to accept this out of sequence behavior without any course of action. This 'deadband' could be set by the user as a non normative behaviour i.e. "out of sync payload deadband (0 = no, 1 or 2 = yes)
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Payload: Compression
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{attribute 'instance-path'} to initialize Name for SparkplugObjects
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Due to HA specs being too loosely defined within the SparkplugB spec, this extension is being parked until the spec gets updated or further notice
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FB_SparkplugHAProvider aka 'Server Walker'
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Due to HA specs being too loosely defined within the SparkplugB spec, this extension is being parked until the spec gets updated.
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Device: Some Device Messages are skipped, noticably DBIRTH
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Implement a "SparkplugB Primary Node " for use in a CODESYS runtime
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Source control: Migrate to git
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Source control: Migrate to git
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Cycle Monitor for Encoder / Decoder for auto time-out functionality
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Currently, encoding or decoding seems te take a single PLC Task Cycle. Therefore a "watchdog" seems unnecessary at this time.
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Cycle Monitor for Encoder / Decoder for auto time-out functionality
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Fixed function ReturnFileName
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Merge commit 'e6ed674266ec20a584d6cb13d3fbe8383922afd0'
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Refactored the example to utilise the new split libraries.
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Merge commit 'f713efb8e9045e2c85b623e0c5207394293a37ae'
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why did you divide the library into 4 seperate libraries?