Coating Fast Fault Protection Update

[nrwslac]

Description

• Added a call to FB_JsonDocToSafeBP inside FB_MirrorTwoCoatingProtection.
• Moved nUpperCoatingBitmask and nLowerCoatingBitmask from input VAR_INPUT to VAR
• Load bit mask from JSON
• Set bit mask to 0 on error from FB_JsonDocToSafeBP
• Set fast fault error description based on fault type.
• add VAR_INPUT bReadPmpsDb to trigger a read of the beam parameters
• Refresh depends on a new variable being accepted here: https://github.com/pcdshub/lcls-twincat-motion/pull/164

Motivation and Context

• CoatingBitmasks previously hardcoded as inputs.

How Has This Been Tested?

https://github.com/pcdshub/lcls-plc-tmo-optics/pull/35

• This Library version was install as 0.0.0 and loaded onto the lcls-plc-tmo-optics project. In the tmo-optics project, 3 functions of type FB_MirrorTwoCoatingProtection were declared and called.
• toggled bRefresh in FB_Standard_PMPSDB and checked that FB_JsonDocToSafeBP state machine moves from 0-20-30 successfully.

Where Has This Been Documented?

• Hardcoded beam parametes should be deleted according to:
• https://confluence.slac.stanford.edu/pages/viewpage.action?pageId=368318178

Pre-merge checklist

• [ ] Code works interactively
• [ ] Code contains descriptive comments
• [ ] Test suite passes locally
• [ ] Libraries are set to Always Newest version (Library, *)
• [ ] Committed with pre-commit or ran pre-commit run --all-files