ReadOn Flags: Difference between revisions
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Read-on flags RO_xxx are used in the [[Equipment List Parameters#ReadOn|Read On]] field of the equipment declaration to specify when the read-out of an event occurs. These flags are defined in [http://ladd00.triumf.ca/~daqweb/doc/midas-devel/doc/html/midas_8h.html midas.h]. | |||
* Multiple flags can be ORed together, e.g. RO_RUNNING|RO_ODB. | |||
* RO_TRANSITIONS is equivalent to RO_BOR|RO_EOR|RO_PAUSE|RO_RESUME. | |||
{| class="wikitable" | |||
|+ READ_ON Flags | |||
|- | |||
! READ_ON Flag name !! Value !! Readout Occurs | |||
|- | |||
|RO_RUNNING || 1 || While running | |||
|- | |||
|RO_STOPPED || 2|| Before stopping run | |||
|- | |||
|RO_PAUSED || 4 || When run is paused | |||
|- | |||
|RO_BOR || 8|| At the beginning of run | |||
|- | |||
|RO_EOR || 16|| At the end of run | |||
|- | |||
|RO_PAUSE || 32|| Before pausing the run | |||
|- | |||
|RO_RESUME || 64|| Before resuming the run | |||
|- | |||
|RO_TRANSITIONS || 127 || At all transitions | |||
|- | |||
|RO_ALWAYS || 255||Always (independent of the run status) | |||
|- | |||
|RO_ODB || 256 ||Copies the event to the <span style="color: purple; font-style:italic;">/Equipment/<equipment name>/Variables</span> ODB tree. The ODB is updated with a new event approximately every second.<br>Note that this feature is generally used only for testing or monitoring, as writing large amounts of data to the ODB takes time. | |||
|} | |||
[[Category:Equipment]] [[Category:Frontend]] | |||
Latest revision as of 15:39, 12 December 2016
Read-on flags RO_xxx are used in the Read On field of the equipment declaration to specify when the read-out of an event occurs. These flags are defined in midas.h.
- Multiple flags can be ORed together, e.g. RO_RUNNING|RO_ODB.
- RO_TRANSITIONS is equivalent to RO_BOR|RO_EOR|RO_PAUSE|RO_RESUME.
| READ_ON Flag name | Value | Readout Occurs |
|---|---|---|
| RO_RUNNING | 1 | While running |
| RO_STOPPED | 2 | Before stopping run |
| RO_PAUSED | 4 | When run is paused |
| RO_BOR | 8 | At the beginning of run |
| RO_EOR | 16 | At the end of run |
| RO_PAUSE | 32 | Before pausing the run |
| RO_RESUME | 64 | Before resuming the run |
| RO_TRANSITIONS | 127 | At all transitions |
| RO_ALWAYS | 255 | Always (independent of the run status) |
| RO_ODB | 256 | Copies the event to the /Equipment/<equipment name>/Variables ODB tree. The ODB is updated with a new event approximately every second. Note that this feature is generally used only for testing or monitoring, as writing large amounts of data to the ODB takes time. |