Folks,
Release R3-2 of the synApps dxp module is now available. This is from the release notes at http://cars.uchicago.edu/software/epics/dxpReleaseNotes.html
- Worked around a bug in XIA's firmware for the Saturn. It is not correctly computing the energy live time, so the live time and dead time reported by the MCA record are incorrect. This problem is due to the calculation of the output count rate (OCR) for the energy live time only using the EVENTSINRUN, which are the events that end up in the spectrum, and it is ignoring overflows and underflows, which are events with energies outside the range of the spectrum. Note that the OCR that is reported by the Saturn firmware is correct, it does include the overflows and underflows. But the OCR that is used internally when computing the energy live time is not correct, it does not include overflows and underflows. This problem was fixed by not using the energy live time computed by the Saturn firmware, and simply computing in the EPICS driver as RealTime * OCR / ICR.
- Minor changes in the driver to be compatible with areaDetector R1-9-1, which changed the data types of some variables.
The link to downloading the source code and pre-built binaries can be found here:
http://cars.uchicago.edu/software/epics/dxp
The documentation is here:
http://cars.uchicago.edu/software/epics/dxpDoc.html
Cheers,
Mark
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