Initial version of STS unpacker algo plus integration by task. Refs #2268. Refs #2272.

Formulation of the STS unpacker in the algo scheme with new API. Task (CbmUnpack) for execution in FairRunOnline. The macro reco/reco_unpack.C comprises only this unpacking task. The resulting CbmDigiTimelice objects are written to the output file.

The rather complicated STS DAQ mapping was separated from both algorithm and task. The interface is the mapping of equipment ID and elink (found in the raw data stream) to module address and ASIC number (for the digi address and channel number); this is hardcoded in the class StsReadoutConfig (based on CbmMcbm2018StsPar and macro/beamtime/mcbm2021/mStsPar.par).

The algorithm is formulated on the microslice level as smallest independently treatable data unit. The task instantiates, configures and executes one algorithm instance per component, an obvious parallelisation level. In principle, parallel execution could also be done on microslices within each component, but since the parameter set depends only on the component, this does not require separate algorithm instances.

Neither algo, task nor config are the final word on this, but this MR establishes the data and parameter interfaces and allows to independently debug and develop these components further.

On my MacBook, I measure some 300 ms per time slice in sequential processing (3 STS components, 1001 microslices each).

Refs #2268. Refs #2272.

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• 38bc126f - Added missing include (cassert); removed duplicated code from the task which...

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@v.friese,

the libAlgo library can't be load on macosx12. We have seen also before that this linker is somehow more strict than the other ones.

The error message is

symbol not found in flat namespace '__ZNK8stsxyter7Message10GetSubTypeEv'

which points to

c++filt __ZNK8stsxyter7Message10GetSubTypeEv
stsxyter::Message::GetSubType() const

Since the function is defined in the source file StsXyterMessage.cxx you probably need to add the class to the OnlineData library.

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• 5b8c5be7 - Added missing class StsXyterMessage to library OnlineData.

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• 5b8c5be7...d079fc3d - 2 commits from branch computing:master
• d152ab26 - First, boiled-down version of STS unpack algorithm. Neglects all monitoring...
• 90433fa3 - Modifications following the suggestions of P.-A. Loizeau and J. de Cuveland...
• 660a65f4 - Fix CMakeLists.txt for StsXyter.h
• a9f60e85 - Initial version of STS unpacker plus integration by task. Refs #2268. Refs #2272.
• 52b2ee88 - Added missing include (cassert); removed duplicated code from the task which...
• 226dfced - Added missing class StsXyterMessage to library OnlineData.

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Dear @f.uhlig, @v.friese, @p.-a.loizeau,

you have been identified as code owner of at least one file which was changed with this merge request.

Please check the changes and approve them or request changes.

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• 31344420 - Update following review by PAL.

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• 8b8375df - First, boiled-down version of STS unpack algorithm. Neglects all monitoring...
• e20b7360 - Modifications following the suggestions of P.-A. Loizeau and J. de Cuveland...
• d7db9a22 - Fix CMakeLists.txt for StsXyter.h
• f39bf522 - Initial version of STS unpacker plus integration by task. Refs #2268. Refs #2272.
• fdbd3a29 - Added missing include (cassert); removed duplicated code from the task which...
• 90a786b2 - Added missing class StsXyterMessage to library OnlineData.
• c7e2e867 - Update following review by PAL.

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Can someone remind me what the difference between a microslice and a microslice-component is?

mentioned in merge request !761 (merged)

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• b75bdea5 - First, boiled-down version of STS unpack algorithm. Neglects all monitoring...
• b1105c36 - Modifications following the suggestions of P.-A. Loizeau and J. de Cuveland...
• 0ae5d75a - Fix CMakeLists.txt for StsXyter.h
• 6a943a65 - Initial version of STS unpacker plus integration by task. Refs #2268. Refs #2272.
• 80f32f15 - Added missing include (cassert); removed duplicated code from the task which...
• f71b1de6 - Added missing class StsXyterMessage to library OnlineData.
• ba022a43 - Update following review by PAL.
• 41ce10b5 - Code improvements following review by JdC.

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• 61f4e095 - Improvement of time handling following review by PAL.

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approved this merge request

resolved all threads

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• 4585ae97 - 1 commit from branch computing:master
• 46213614 - First, boiled-down version of STS unpack algorithm. Neglects all monitoring...
• 28c3fd25 - Modifications following the suggestions of P.-A. Loizeau and J. de Cuveland...
• d9115417 - Fix CMakeLists.txt for StsXyter.h
• 49c0fed0 - Initial version of STS unpacker plus integration by task. Refs #2268. Refs #2272.
• 5d675a0f - Added missing include (cassert); removed duplicated code from the task which...
• 0a9e1237 - Added missing class StsXyterMessage to library OnlineData.
• 71017efa - Update following review by PAL.
• 39484791 - Code improvements following review by JdC.
• 70194e26 - Improvement of time handling following review by PAL.

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enabled an automatic merge when the pipeline for 70194e26 succeeds

merged