Organize the lighting project and ship the combined XCHC show.
Group workspaces, generators, stage map, and tests into clear folders, and add the unified cans+movers show plus a simple shared/individual RGBW control board. Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
Cursor
Executable
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#!/usr/bin/env python3
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"""Art-Net tester for Small Eye 7 Mover channels 5 / 6 / 7.
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Pan/tilt (1–4) already look right. This script lights the centre LED, then
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isolates:
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CH5 pan/tilt speed — head should move fast at 0, crawl at 255
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CH6 zoom — beam should grow/shrink
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CH7 lens rotate — front glass spins only in 128–188 or 194–255,
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and often only when zoom is fully in (narrow)
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Quit with Ctrl+C (sends blackout). Stop QLC+ output first so the two
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sources do not fight.
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Example:
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python3 test_small_eye.py --ip 192.168.1.228 --address 1
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"""
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from __future__ import annotations
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import argparse
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import socket
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import sys
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import threading
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import time
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ARTNET_PORT = 6454
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HEADER = b"Art-Net\x00"
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OP_DMX = 0x5000
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PROT_VER = 14
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# 1-based fixture channels (43ch pixel mode)
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CH_PAN = 1
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CH_TILT = 3
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CH_SPEED = 5
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CH_ZOOM = 6
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CH_ROTATE = 7
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CH_FOCUS = 8
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CH_DIMMER = 9
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CH_STROBE = 10
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CH_RED = 11
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CH_GREEN = 12
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CH_BLUE = 13
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CH_WHITE = 14
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FIXTURE_CHANNELS = 43
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def build_artdmx(channels: bytes, universe: int = 0, sequence: int = 1) -> bytes:
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data = bytearray(channels)
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n = len(data)
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if n < 2:
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data.extend(b"\x00" * (2 - n))
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n = 2
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if n & 1:
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data.append(0)
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n += 1
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if n > 512:
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data = data[:512]
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n = 512
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pkt = bytearray(18 + n)
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pkt[0:8] = HEADER
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pkt[8:10] = bytes((OP_DMX & 0xFF, OP_DMX >> 8))
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pkt[10] = 0
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pkt[11] = PROT_VER
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pkt[12] = sequence & 0xFF
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pkt[13] = 0
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pkt[14] = universe & 0xFF
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pkt[15] = 0
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pkt[16] = (n >> 8) & 0xFF
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pkt[17] = n & 0xFF
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pkt[18 : 18 + n] = data
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return bytes(pkt)
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class ArtNetSender:
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def __init__(self, dest: str, universe: int = 0, hz: float = 40.0):
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self.dest = dest
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self.universe = universe
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self.period = 1.0 / hz
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self.frame = bytearray(512)
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self.sequence = 1
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self._lock = threading.Lock()
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self._running = True
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self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
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self._thread = threading.Thread(target=self._loop, daemon=True)
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self._thread.start()
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def _loop(self):
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while self._running:
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with self._lock:
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pkt = build_artdmx(self.frame, self.universe, self.sequence)
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self.sequence = 1 if self.sequence >= 255 else self.sequence + 1
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try:
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self.sock.sendto(pkt, (self.dest, ARTNET_PORT))
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except OSError as exc:
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print(f"Art-Net send failed: {exc}", file=sys.stderr)
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time.sleep(self.period)
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def set_slot(self, dmx_addr: int, value: int):
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"""dmx_addr is 1-based DMX."""
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with self._lock:
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self.frame[dmx_addr - 1] = max(0, min(255, int(value)))
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def blackout(self):
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with self._lock:
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self.frame[:] = b"\x00" * 512
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def close(self):
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self.blackout()
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time.sleep(self.period * 3)
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self._running = False
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self._thread.join(timeout=1.0)
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self.sock.close()
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class SmallEye:
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def __init__(self, sender: ArtNetSender, address: int):
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self.artnet = sender
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self.address = address
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def set(self, channel: int, value: int):
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self.artnet.set_slot(self.address + channel - 1, value)
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def park_light(self, pan=128, tilt=80, dimmer=255, white=255, rgb=40):
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"""Still, visible beam. Strobe open, pixels off except centre RGBW."""
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for ch in range(1, FIXTURE_CHANNELS + 1):
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self.set(ch, 0)
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self.set(CH_PAN, pan)
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self.set(CH_TILT, tilt)
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self.set(CH_SPEED, 0)
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self.set(CH_ZOOM, 0)
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self.set(CH_ROTATE, 0)
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self.set(CH_FOCUS, 128)
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self.set(CH_DIMMER, dimmer)
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self.set(CH_STROBE, 0)
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self.set(CH_RED, rgb)
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self.set(CH_GREEN, rgb)
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self.set(CH_BLUE, rgb)
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self.set(CH_WHITE, white)
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def say(msg: str):
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print(f"\n=== {msg} ===", flush=True)
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def hold(seconds: float, label: str = ""):
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if label:
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print(f" {label}", flush=True)
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end = time.monotonic() + seconds
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while time.monotonic() < end:
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time.sleep(0.05)
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def sweep(fixture: SmallEye, channel: int, start: int, stop: int, seconds: float):
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steps = max(1, int(seconds * 40))
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for i in range(steps + 1):
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value = int(start + (stop - start) * i / steps)
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fixture.set(channel, value)
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time.sleep(seconds / steps)
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def wait_enter(enabled: bool, prompt: str):
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if enabled:
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input(f" {prompt} [Enter] ")
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def test_speed(fixture: SmallEye, hold_s: float, pause: bool):
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say("CH5 pan/tilt SPEED")
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print("Watch the HEAD (yoke), not the lens.")
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print("CH5=0 should be fast, CH5=255 should crawl.")
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fixture.park_light()
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wait_enter(pause, "Ready to wiggle pan")
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for speed in (0, 80, 160, 255):
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fixture.set(CH_SPEED, speed)
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print(f" CH5 = {speed:3d} sweeping pan 40 → 220")
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sweep(fixture, CH_PAN, 40, 220, hold_s)
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sweep(fixture, CH_PAN, 220, 40, hold_s)
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fixture.set(CH_PAN, 128)
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fixture.set(CH_SPEED, 0)
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def test_zoom(fixture: SmallEye, hold_s: float, pause: bool):
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say("CH6 ZOOM")
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print("Watch the SPOT size on the wall. Should grow then shrink.")
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fixture.park_light()
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fixture.set(CH_ROTATE, 0)
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wait_enter(pause, "Ready for zoom sweep")
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print(" CH6 0 → 255")
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sweep(fixture, CH_ZOOM, 0, 255, hold_s * 2)
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hold(1.5, "CH6 = 255 (hold)")
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print(" CH6 255 → 0")
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sweep(fixture, CH_ZOOM, 255, 0, hold_s * 2)
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hold(1.5, "CH6 = 0 (hold, narrow)")
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def test_rotate(fixture: SmallEye, hold_s: float, pause: bool):
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say("CH7 LENS ROTATE")
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print("Watch the FRONT GLASS. Index 0–127 does not spin.")
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print("Spin is 128–188 (CCW) and 194–255 (CW). 189–193 is stop.")
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print("If nothing moves, zoom is probably too wide — trying both extremes.")
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fixture.park_light()
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wait_enter(pause, "Ready for rotate")
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points = [
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(0, "index 0°"),
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(64, "index mid"),
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(127, "index 60°"),
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(160, "SPIN CCW"),
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(191, "stop band"),
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(220, "SPIN CW"),
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(255, "SPIN CW fast"),
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(0, "back to index 0"),
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]
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for zoom in (0, 255):
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fixture.set(CH_ZOOM, zoom)
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fixture.set(CH_ROTATE, 0)
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print(f"\n zoom CH6 = {zoom}")
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hold(1.0)
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for value, label in points:
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fixture.set(CH_ROTATE, value)
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hold(hold_s, f"CH7 = {value:3d} {label}")
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fixture.set(CH_ROTATE, 0)
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fixture.set(CH_ZOOM, 0)
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def test_hunt(fixture: SmallEye, hold_s: float, pause: bool):
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say("HUNT: put spin values on CH5, then CH6, then CH7")
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print("Whichever channel actually spins the glass is lens rotate.")
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fixture.park_light()
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wait_enter(pause, "Ready to hunt rotate")
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for candidate in (CH_SPEED, CH_ZOOM, CH_ROTATE):
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fixture.park_light()
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# Narrow zoom on the other two optics channels
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if candidate != CH_ZOOM:
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fixture.set(CH_ZOOM, 0)
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print(f"\n putting spin (160, then 220) on CH{candidate}")
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fixture.set(candidate, 160)
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hold(hold_s, f"CH{candidate} = 160 CCW")
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fixture.set(candidate, 220)
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hold(hold_s, f"CH{candidate} = 220 CW")
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fixture.set(candidate, 0)
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def parse_args():
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p = argparse.ArgumentParser(description=__doc__, formatter_class=argparse.RawDescriptionHelpFormatter)
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p.add_argument("--ip", default="192.168.1.228", help="Art-Net destination (QLC uses 192.168.1.228)")
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p.add_argument("--universe", type=int, default=0, help="Art-Net universe (default 0)")
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p.add_argument("--address", type=int, default=1, help="Fixture DMX start address, 1-based")
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p.add_argument("--hold", type=float, default=3.0, help="Seconds to hold each rotate/speed step")
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p.add_argument("--pause", action="store_true", help="Wait for Enter before each test")
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p.add_argument(
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"--only",
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choices=("speed", "zoom", "rotate", "hunt", "all"),
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default="all",
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help="Run one test (default all)",
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)
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return p.parse_args()
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def main():
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args = parse_args()
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if not 1 <= args.address <= 512:
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sys.exit("address must be 1–512")
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print(
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f"Art-Net → {args.ip} universe {args.universe} "
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f"fixture start {args.address} (43ch)"
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)
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print("Stop QLC+ Art-Net output first.")
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sender = ArtNetSender(args.ip, universe=args.universe)
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fixture = SmallEye(sender, args.address)
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try:
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fixture.park_light()
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hold(2.0, "centre LED on, head still")
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tests = {
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"speed": lambda: test_speed(fixture, args.hold, args.pause),
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"zoom": lambda: test_zoom(fixture, args.hold, args.pause),
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"rotate": lambda: test_rotate(fixture, args.hold, args.pause),
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"hunt": lambda: test_hunt(fixture, args.hold, args.pause),
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}
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order = ("speed", "zoom", "rotate", "hunt") if args.only == "all" else (args.only,)
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for name in order:
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tests[name]()
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say("done — blackout")
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except KeyboardInterrupt:
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print("\nstopped")
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finally:
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sender.close()
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if __name__ == "__main__":
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main()
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