Implemented epics read/write
This commit is contained in:
Martino Ferrari
Executable
+81
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#!/usr/bin/env bash
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# ═══════════════════════════════════════════════════════════════════════════
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# uopi test SoftIOC startup script
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#
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# Prerequisites:
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# • EPICS Base 3.15+ (for RNDM calc function)
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# • 'softIoc' binary in PATH (usually $EPICS_BASE/bin/$EPICS_HOST_ARCH/)
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# • Optional: caput (from EPICS tools) to pre-fill UOPI:WAVEFORM
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#
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# Usage:
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# cd workspace/softioc
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# ./st.cmd
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#
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# Or directly (no waveform pre-fill):
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# softIoc -s -d workspace/softioc/uopi_test.db
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# ═══════════════════════════════════════════════════════════════════════════
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set -euo pipefail
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cd "$(dirname "$0")"
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# ── Locate softIoc ────────────────────────────────────────────────────────────
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if ! command -v softIoc &>/dev/null; then
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# Try common EPICS install paths
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for candidate in \
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"$EPICS_BASE/bin/$EPICS_HOST_ARCH/softIoc" \
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/usr/local/epics/base/bin/linux-x86_64/softIoc \
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/opt/epics/bin/linux-x86_64/softIoc; do
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if [ -x "$candidate" ]; then
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export PATH="$(dirname "$candidate"):$PATH"
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break
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fi
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done
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fi
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if ! command -v softIoc &>/dev/null; then
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echo "ERROR: softIoc not found. Set EPICS_BASE or add softIoc to PATH."
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exit 1
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fi
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echo "Starting uopi test IOC…"
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echo " PV prefix : UOPI:"
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echo " Database : uopi_test.db"
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echo " softIoc : $(command -v softIoc)"
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echo ""
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# ── Start IOC in background so we can run caput for waveform ─────────────────
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softIoc -s -d uopi_test.db &
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IOC_PID=$!
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# ── Pre-fill UOPI:WAVEFORM with a sine+DC pattern (requires caput) ───────────
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if command -v caput &>/dev/null; then
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sleep 2 # wait for IOC to initialise Channel Access
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python3 - <<'PYEOF'
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import subprocess, math
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n = 64
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# Sine with 3 harmonics: models a realistic ADC capture
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vals = [
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0.5 + 0.4 * math.sin(2 * math.pi * i / n)
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+ 0.1 * math.sin(6 * math.pi * i / n)
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+ 0.05 * math.sin(10 * math.pi * i / n)
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for i in range(n)
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]
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args = ["caput", "-a", "UOPI:WAVEFORM", str(n)] + [f"{v:.6f}" for v in vals]
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result = subprocess.run(args, capture_output=True, text=True)
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if result.returncode == 0:
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print(f" UOPI:WAVEFORM filled with {n}-point multi-harmonic sine.")
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else:
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print(f" caput failed: {result.stderr.strip()}")
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PYEOF
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else
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echo " (caput not found — UOPI:WAVEFORM left empty; fill manually via caput)"
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fi
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echo ""
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echo "IOC running (PID $IOC_PID). Connect uopi with:"
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echo " UOPI_EPICS_CA_ADDR_LIST=127.0.0.1 ./dist/uopi -config workspace/uopi.toml"
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echo ""
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echo "Press Ctrl-C to stop."
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wait "$IOC_PID"
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@@ -0,0 +1,231 @@
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# ═══════════════════════════════════════════════════════════════════════════
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# uopi test IOC database — covers all widget types and EPICS features
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#
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# Requirements: EPICS Base 3.15+ (uses RNDM calc function for noise)
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# Prefix: UOPI:
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#
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# Run with: softIoc -s -d uopi_test.db
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# ═══════════════════════════════════════════════════════════════════════════
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# ── Phase counter ────────────────────────────────────────────────────────────
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# Increments 10x/s; used as phase source for trig-based simulations.
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# At 0.1s scan, 1 step = 0.1 rad → period 2π/step·rate = 62.8 s.
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record(calc, "UOPI:TICK") {
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field(DESC, "Phase counter (0.1 s)")
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field(SCAN, ".1 second")
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field(CALC, "A+0.1")
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field(INPA, "UOPI:TICK NPP NMS")
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field(VAL, "0")
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field(PREC, "2")
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}
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# ── Analog read-only signals ─────────────────────────────────────────────────
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# Temperature: sine 10–90 °C, 62.8 s period, full alarm chain
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# Tests: textview, gauge (color zones), barh, plot timeseries, quality dot
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record(calc, "UOPI:TEMP") {
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field(DESC, "Simulated temperature")
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field(SCAN, ".1 second")
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field(CALC, "50+40*SIN(A)")
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field(INPA, "UOPI:TICK NPP NMS")
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field(EGU, "degC")
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field(PREC, "2")
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field(LOPR, "0")
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field(HOPR, "100")
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field(LOW, "20")
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field(HIGH, "78")
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field(LOLO, "12")
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field(HIHI, "88")
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field(LSV, "MINOR")
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field(HSV, "MINOR")
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field(LLSV, "MAJOR")
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field(HHSV, "MAJOR")
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}
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# Pressure: sawtooth 0–10 bar, ~20 s period
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# Tests: gauge, barh, different EGU
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record(calc, "UOPI:PRESSURE") {
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field(DESC, "Simulated pressure")
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field(SCAN, ".5 second")
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field(CALC, "10*((A%6.2832)/6.2832)")
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field(INPA, "UOPI:TICK NPP NMS")
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field(EGU, "bar")
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field(PREC, "3")
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field(LOPR, "0")
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field(HOPR, "10")
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field(HIGH, "8")
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field(HIHI, "9.5")
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field(HSV, "MINOR")
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field(HHSV, "MAJOR")
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}
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# Flow rate: noisy sine 20–80 L/min, faster period (10.5 s), 5 Hz update
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# Tests: barv, different scan rate, noise in plot, textview with unit
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record(calc, "UOPI:FLOW") {
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field(DESC, "Simulated flow rate")
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field(SCAN, ".2 second")
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field(CALC, "50+30*SIN(A*6)+5*RNDM")
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field(INPA, "UOPI:TICK NPP NMS")
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field(EGU, "L/min")
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field(PREC, "1")
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field(LOPR, "0")
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field(HOPR, "100")
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field(LOW, "10")
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field(LOLO, "5")
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field(LSV, "MINOR")
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field(LLSV, "MAJOR")
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}
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# Noise signal: pure random 0–1, 10 Hz
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# Tests: plot histogram, plot FFT, fast timeseries, synthetic lowpass
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record(calc, "UOPI:NOISE") {
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field(DESC, "Random noise signal")
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field(SCAN, ".1 second")
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field(CALC, "RNDM")
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field(PREC, "4")
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field(LOPR, "0")
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field(HOPR, "1")
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}
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# Auto-incrementing integer counter, 1 Hz
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# Tests: textview integer, plot (monotonic), different numeric type
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record(calc, "UOPI:COUNTER") {
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field(DESC, "Event counter (1 Hz)")
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field(SCAN, "1 second")
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field(CALC, "A+1")
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field(INPA, "UOPI:COUNTER NPP NMS")
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field(VAL, "0")
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field(LOPR, "0")
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field(HOPR, "100000")
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}
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# Temperature deviation from setpoint
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# Tests: barh with negative range, alarm on deviation, computed read-only
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record(calc, "UOPI:TEMP_DEVIATION") {
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field(DESC, "Temp deviation from setpoint")
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field(SCAN, "1 second")
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field(CALC, "A-B")
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field(INPA, "UOPI:TEMP NPP NMS")
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field(INPB, "UOPI:SETPOINT NPP NMS")
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field(EGU, "degC")
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field(PREC, "2")
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field(LOPR, "-60")
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field(HOPR, "60")
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field(HIGH, "10")
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field(HIHI, "25")
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field(LOW, "-10")
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field(LOLO, "-25")
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field(HSV, "MINOR")
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field(HHSV, "MAJOR")
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field(LSV, "MINOR")
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field(LLSV, "MAJOR")
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}
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# ── Binary / status signals ───────────────────────────────────────────────────
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# Interlock: fires when temperature exceeds 80 °C — MAJOR alarm
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# Tests: LED with condition, quality=bad on alarm, computed binary
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record(calc, "UOPI:INTERLOCK") {
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field(DESC, "High-temp interlock")
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field(SCAN, "1 second")
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field(CALC, "A>80?1:0")
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field(INPA, "UOPI:TEMP NPP NMS")
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field(HIHI, "1")
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field(HHSV, "MAJOR")
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field(LOPR, "0")
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field(HOPR, "1")
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}
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# 8-bit status word: rotating single-bit pattern every 2 s
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# Tests: Multi-LED widget (bitset display), integer signal
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record(calc, "UOPI:STATUS_BITS") {
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field(DESC, "8-bit status word")
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field(SCAN, "2 second")
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field(CALC, "A>=128?(A*2-255):(A*2)")
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field(INPA, "UOPI:STATUS_BITS NPP NMS")
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field(VAL, "1")
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field(LOPR, "0")
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field(HOPR, "255")
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}
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# ── Read-write signals ────────────────────────────────────────────────────────
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# Analog output setpoint — writable, drives UOPI:TEMP_DEVIATION
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# Tests: setvalue widget (numeric write), unit from metadata
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record(ao, "UOPI:SETPOINT") {
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field(DESC, "Temperature setpoint")
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field(EGU, "degC")
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field(PREC, "1")
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field(LOPR, "0")
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field(HOPR, "100")
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field(DRVL, "0")
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field(DRVH, "100")
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field(VAL, "50")
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field(PINI, "YES")
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}
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# Beam enable: binary On/Off toggle
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# Tests: LED display, button (persistent mode — tracks signal state)
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record(bo, "UOPI:BEAM_ON") {
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field(DESC, "Beam enable")
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field(ZNAM, "Off")
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field(ONAM, "On")
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field(VAL, "0")
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field(PINI, "YES")
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}
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# Reset command: writes 1 and auto-reverts to 0 after 1 s (IOC-side pulse)
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# Tests: button one-shot mode — IOC handles the reset automatically
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record(bo, "UOPI:RESET_CMD") {
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field(DESC, "Reset command (auto-clears after 1 s)")
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field(ZNAM, "Idle")
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field(ONAM, "Reset!")
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field(HIGH, "1.0")
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}
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# Latch: plain writable binary — no auto-reset
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# Tests: button set-reset mode — uopi writes 1 then resets after delay
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record(bo, "UOPI:LATCH") {
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field(DESC, "Latch enable")
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field(ZNAM, "Released")
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field(ONAM, "Latched")
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field(VAL, "0")
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field(PINI, "YES")
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}
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# Operating mode: 4-state enum (writable)
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# Tests: setvalue (numeric write to enum), textview (shows numeric state)
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# multi-LED style readback via setvalue, alarm state on Fault
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record(mbbo, "UOPI:MODE") {
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field(DESC, "System operating mode")
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field(ZRST, "Idle")
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field(ONST, "Running")
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field(TWST, "Fault")
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field(THST, "Maintenance")
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field(ZRVL, "0")
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field(ONVL, "1")
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field(TWVL, "2")
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field(THVL, "3")
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field(TWSV, "MAJOR")
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field(THSV, "MINOR")
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field(VAL, "0")
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field(PINI, "YES")
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}
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# String message: writable freeform text
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# Tests: setvalue with string type, textview string display
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record(stringout, "UOPI:MESSAGE") {
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field(DESC, "Operator message (writable)")
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field(VAL, "System nominal")
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field(PINI, "YES")
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}
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# Waveform: 128-point float array
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# Tests: plot FFT, plot histogram over array (populated at IOC start)
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record(waveform, "UOPI:WAVEFORM") {
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field(DESC, "64-point sample waveform")
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field(FTVL, "FLOAT")
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field(NELM, "64")
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field(EGU, "counts")
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}
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