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In order to map a CPSW register to an EPICS PV, entries in 3 different multiple configuration files are required.
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Substitution files are processed by the EPICS make files. The file ${TOP}/bcmApp/Db/bcm.substitutions generates ${TOP}/db/bcm.db, and the file ${TOP}/bcmApp/Db/carrier.substitutions generates ${TOP}/db/carrier.db.
Finally, bcm.db and carrier.db are loaded by dbLoadRecords() in the IOC startup script st.cmd:
| Code Block |
|---|
dbLoadRecords("db/bcm.db", "P=${AMC0_PREFIX}, PORT=${CPSW_PORT}, AMC=0")
dbLoadRecords("db/carrier.db", "P=${AMC_CARRIER_PREFIX}, PORT=${CPSW_PORT}") |