Generate EPICS SNL state machines with PV operations and event flags.
npx skills add https://github.com/BCDA-APS/opencode-skills --skill snl
Please help me install this Agent Skill. Skill: snl Source: https://github.com/BCDA-APS/opencode-skills/tree/main/snl Command: npx skills add https://github.com/BCDA-APS/opencode-skills --skill snl
This Skill helps you author EPICS State Notation Language (SNL) programs that coordinate concurrent state machines and reliably react to Process Variable (PV) changes.
program, one or more ss (state sets), state, entry/exit blocks, and when(...) transitions for deterministic control flows.assign, keep them updated with monitor, and synchronize transitions using sync/syncq with evflag.pvGet/pvPut operations (including queued monitoring and completion checks) and embed C helpers via SNL escaped C code.Ask the AI to generate an SNL .st program named "interlockControl" that monitors {prefix}:start, {prefix}:fault, and {prefix}:status, uses an evflag to gate transitions, and includes embedded C code to compute a derived status string before updating a PV.
High-intent search queries and answers about installing and using this skill.
You write an EPICS state machine using State Notation Language (SNL) to define programs, state sets, and transition conditions for deterministic, concurrent control flows reacting to Process Variable (PV) changes.
The best way to monitor EPICS Process Variables is using SNL assign and monitor commands, then utilizing sync or syncq with event flags to reliably trigger state transitions when PV values update.
You embed C code inside an EPICS sequencer program by using SNL escaped C code blocks, allowing you to integrate custom C helpers and compute derived values directly within your state machine logic.
Yes, you can handle queued event handling and timed delays in EPICS SNL by utilizing syncq patterns for event queues and the delay() function for managing timed state transitions.
You synchronize multiple EPICS sequencer state sets by using event flags (evflag) with sync or syncq declarations to coordinate initialization and gate transitions across concurrent state sets.
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