FastFeedback

The NC/SC LINAC FastFeedback EPICS Application

Contents

1. Documentation
2. Directory Tree
3. List of IOCs

Documentation

Links to various bits of information about the FastFeedback system are below. A unified FastFeedback documentation source is in progress.

Assorted Documentation PowerPoints, mostly

Directory Tree

. Build system <TOP>
+-- bin
|   +-- linuxRT-x86_64     # fastFeedback and ffUnitTest binaries
+-- configure              # Build system configuration files
+-- cpuBoot                # linuxRT CPU configuration files
|    +-- dev               # dev CPUs
|    +-- lcls              # prod LCLS CPUs
+-- fastFeedbackApp
|   +-- Db
|   |   +-- common         # Database files common to all Feedback IOCs
|   |   +-- iocs           # Database files specific to a Feedback IOC
|   +-- src                # Source directory. Contains state notation files, database definitions, and the main entry point
|   |   +-- algo           # C++ sources for feedback algorithms
|   |   +-- exec__         # C sources and database definitions to register EPICS interface functions
|   |   +-- framework      # C++ sources for the Fast Feedback framework
|   |   +-- test           # Unit Test sources
|   |   +-- util           # Utility functions - logging, time, and EPICS device support
+-- iocBoot                # Common and IOC specific startup scripts
|   +-- common
|   +-- sioc-AREA-UNIT
|   ...
+-- test                   # integration testing development support files
+-- tools                  # misc. support scripts

List of IOCs

SC

Name	CPU	Function	FB	Loop	VEVR #	Notes
sioc-l3b-tr01	cpu-sys0-fb03	L3B Launch	FB06	TR01	0
sioc-htr-tr01	cpu-sys0-fb03	HTR Launch	FB06	TR02	1
sioc-diag0-tr01	cpu-sys0-fb03	DIAG0 Launch	FB06	TR03	2
sioc-l1b-tr01	cpu-sys0-fb03	L1B Launch	FB06	TR04	3
sioc-l2b-tr01	cpu-sys0-fb03	L2B Launch	FB06	TR05	4
sioc-bpn16-tr01	cpu-sys0-fb03	Bypass Launch	FB06	TR06	5
sioc-dog-tr01	cpu-sys0-fb03	DOG Launch	FB06	TR07	6
sioc-bc1b-tr01	cpu-sys0-fb03	BC1B Launch	FB06	TR08	7

Global

Name	CPU	Function	FB	Loop	VEVR #	Notes
sioc-sys0-fb01	cpu-sys0-fb01	Watchdog	N/A	N/A	N/A	Moved from lcls-daemon1 in R3.2.0 (Aug 25, 2020)
sioc-sys0-lg01	cpu-sys0-fb02	HXR Longitudinal	FB04	LG01	3
sioc-sys0-lg02	cpu-sys0-fb02	SXR Longitudinal	FB04	LG02	9
sioc-sys0-gn01	cpu-sys0-fb02	BunchCharge	FB02	GN01	2
sioc-sys0-op20	cpu-sys0-fb01	Beam Destination Calculation	N/A	N/A	10	Calculates Beam Destination in real-time. FastFeedback had an evr to use, so its here

S20

Name	CPU	Function	FB	Loop	VEVR #	Notes
sioc-in20-tr01	cpu-sys0-fb02	Gun Launch	FB01	TR01	0
sioc-in20-tr02	cpu-sys0-fb02	Injector Launch	FB01	TR02	1
sioc-in20-tr03	cpu-sys0-fb01	Injector Launch1	FB02	TR05	8
sioc-in20-tr04	cpu-sys0-fb01	Injector Launch2	FB04	TR04	9
sioc-in20-tr05	cpu-sys0-fb02	Injector Launch3	FB03	TR03	7

S21

Name	CPU	Function	FB	Loop	VEVR #	Notes
sioc-li21-tr01	cpu-sys0-fb01	XCAV Launch	FB01	TR03	1
sioc-li21-tr02	cpu-sys0-fb01	L2 Launch	FB01	TR04	2

S24

Name	CPU	Function	FB	Loop	VEVR #	Notes
sioc-li24-tr01	cpu-sys0-fb01	L3 Launch	FB02	TR01	3

S28

Name	CPU	Function	FB	Loop	VEVR #	Notes
sioc-li28-tr01	cpu-sys0-fb01	LI28 Launch	FB02	TR02	4

BSY

Name	CPU	Function	FB	Loop	VEVR #	Notes
sioc-bsy0-tr01	cpu-sys0-fb01	BSY X	FB01	TR05	0
sioc-bsy0-tr02	cpu-sys0-fb02	BSY Y	FB05	TR01	6

LTU

Name	CPU	Function	FB	Loop	VEVR #	Notes
sioc-ltuh-tr01	cpu-sys0-fb01	Slow LTUH1	FB02	TR03	5
sioc-ltuh-tr02	cpu-sys0-fb01	Slow LTUH2	FB02	TR04	6
sioc-ltuh-tr03	cpu-sys0-fb01	LTUH Launch	FB03	TR01	7
sioc-ltus-tr01	cpu-sys0-fb01	Slow LTUS Launch	FB04	TR01	11
sioc-ltus-tr02	cpu-sys0-fb02	Fast LTUS Launch	FB04	TR03	10

Undulator Hall

Name	CPU	Function	FB	Loop	VEVR #	Notes
sioc-undh-tr01	cpu-sys0-fb02	UNDH Launch	FB03	TR04	4
sioc-undh-tr02	cpu-sys0-fb02	UNDH BLD	FB05	TR05	5
sioc-unds-tr01	cpu-sys0-fb01	UNDS Launch	FB04	TR02	12
sioc-unds-tr02	cpu-sys0-fb01	UNDS BLD	FB03	TR02	13