Sebastien Petitdemange authored Jul 03, 2017 and Emmanuel Papillon committed Jul 03, 2017

Actually musst card produce signed data

|── common
│   ├── scans.py => ascan, dscan, timescan, etc.
│   └── standard.py => ct + exported functions from scans.py
├── data
│   ├── lima.py
│   ├── node.py => DataNode
│   └── scan.py
└── scanning
    ├── acquisition
    |    |── motor.py
    |    |── p201.py ...
    ├── chain.py => AcquisitionMaster, AcquisitionDevice, AcquisitionChain
    ├── scan.py  => Scan, ScanSaving, ScanRecorder, current writer.common.*
    └── writer
         ├── hdf5.py

continuous scan: `stop()` is called in case of exception, or at the end
of the scan (when `start()` returns)