add MCP developer tool with multi-unit support
First developer tool for the XDJ-100SX project. Connects Claude Code directly to the Pi over SSH — push skin files, take screenshots, restart Mixxx, flash Pico firmware, and more without leaving the editor. Available MCP tools: - run_command, read_file, write_file, list_files - push_skin, pull_skin, push_skin_file, pull_skin_file - push_midi, pull_midi - take_screenshot, navigate_panel - restart_mixxx - check (preflight: SSH, Mixxx, Pico, audio) - pico_bootloader, pico_flash - discover_units — scan network for all reachable XDJ Pi units - select_unit — switch active connection mid-session (multi-unit support) Also adds --about flag and TUI About modal with authors and credits, and fixes scrolling/close behavior on Help and About modals. By: Jeancarlo Cardoso de Faria Filho (jaianlab) <jaianlabworks@gmail.com>
This commit is contained in:
Jeancarlo
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"""
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Signal Analyzer — live GPIO/ADC event viewer for XDJ-100SX Pico firmware.
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Two execution modes:
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Web (TUI button): run_signal_analyzer_web(pi_client, stop_event, port)
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CLI (--analyze): run_signal_analyzer_cli(pi_client)
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All public functions take a pi_client as their first argument instead of
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relying on a module-level global, following Dependency Inversion.
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"""
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from __future__ import annotations
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import collections
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import re
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import sys
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import threading
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import time
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from typing import Any, Callable
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# ─── Pin map ─────────────────────────────────────────────────────────────────
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SA_PIN_NAMES: dict[int, str] = {
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0: "EJECT", 1: "TRACK PREV", 2: "TRACK NEXT", 3: "SEARCH BACK",
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4: "SEARCH FWD", 5: "CUE", 6: "PLAY", 7: "JET",
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8: "ZIP", 9: "WAH", 10: "HOLD", 11: "TIME",
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12: "MSTR TEMPO", 14: "JOG A", 15: "LED CUE", 16: "LED PLAY",
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17: "LED INTL", 18: "LED CD", 19: "JOG B", 20: "BROWSE A",
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21: "BROWSE B", 22: "LOAD",
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}
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SA_BUTTON_PINS = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 22]
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SA_JOG_PINS = [14, 19]
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SA_BROWSE_PINS = [20, 21]
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SA_LED_PINS = [15, 16, 17, 18]
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SA_ALL_PINS = sorted(set(SA_BUTTON_PINS + SA_JOG_PINS + SA_BROWSE_PINS + SA_LED_PINS))
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_BOUNCE_WINDOW_US = 50_000 # 50 ms: edges within this window on same pin = bounce
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_WAVEFORM_LEN = 40
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# ─── Shared state ─────────────────────────────────────────────────────────────
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class SAState:
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"""Signal-analyzer state updated by a reader thread and read by display."""
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def __init__(self) -> None:
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self.lock = threading.Lock()
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self.t_ref_us: int = 0
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self.t_latest_us: int = 0
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self.running: bool = False
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self.pin_state: dict[int, int] = {p: 1 for p in SA_ALL_PINS}
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self.pin_edges: dict[int, int] = {p: 0 for p in SA_ALL_PINS}
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self.pin_waveform: dict[int, Any] = {
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p: collections.deque([1] * _WAVEFORM_LEN, maxlen=_WAVEFORM_LEN)
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for p in SA_ALL_PINS
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}
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self.bounce_count: dict[int, int] = {p: 0 for p in SA_BUTTON_PINS}
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self.bounce_max_us: dict[int, int] = {p: 0 for p in SA_BUTTON_PINS}
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self._press_t0: dict[int, int] = {}
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self._press_n: dict[int, int] = {}
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self._press_last: dict[int, int] = {}
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self.jog_a_state = 1
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self.jog_b_state = 1
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self.jog_net = 0
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self.adc_current = 512
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self.adc_min = 1023
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self.adc_max = 0
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self.adc_sum = 0.0
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self.adc_count = 0
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self.adc_history: Any = collections.deque(maxlen=60)
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self.events: Any = collections.deque(maxlen=20)
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def update_gpio(self, t_us: int, pin: int, val: int) -> None:
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with self.lock:
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if self.t_ref_us == 0:
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self.t_ref_us = t_us
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self.t_latest_us = t_us
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self.running = True
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if pin not in SA_ALL_PINS:
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return
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if val == self.pin_state.get(pin, 1):
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return
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self.pin_state[pin] = val
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self.pin_edges[pin] += 1
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self.pin_waveform[pin].append(val)
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rel = t_us - self.t_ref_us
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edge = "▔→▁" if val == 0 else "▁→▔"
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self.events.append((rel, pin, edge))
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if pin in SA_BUTTON_PINS:
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self._track_bounce(pin, t_us, val)
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if pin == 14:
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self.jog_a_state = val
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self.jog_net += 1 if val != self.jog_b_state else -1
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elif pin == 19:
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self.jog_b_state = val
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def _track_bounce(self, pin: int, t_us: int, val: int) -> None:
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if val == 0 and pin not in self._press_t0:
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self._press_t0[pin] = self._press_last[pin] = t_us
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self._press_n[pin] = 1
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return
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if pin not in self._press_t0:
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return
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if t_us - self._press_last[pin] > _BOUNCE_WINDOW_US:
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del self._press_t0[pin], self._press_n[pin], self._press_last[pin]
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if val == 0:
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self._press_t0[pin] = self._press_last[pin] = t_us
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self._press_n[pin] = 1
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return
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self._press_n[pin] += 1
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self._press_last[pin] = t_us
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if self._press_n[pin] > 2:
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dur = t_us - self._press_t0[pin]
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self.bounce_count[pin] += 1
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self.bounce_max_us[pin] = max(self.bounce_max_us.get(pin, 0), dur)
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def update_adc(self, t_us: int, val: int) -> None:
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with self.lock:
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if self.t_ref_us == 0:
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self.t_ref_us = t_us
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self.running = True
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self.adc_current = val
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self.adc_min = min(self.adc_min, val)
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self.adc_max = max(self.adc_max, val)
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self.adc_sum += val
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self.adc_count += 1
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self.adc_history.append(val)
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def reset_counters(self) -> None:
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with self.lock:
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for p in SA_ALL_PINS:
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self.pin_edges[p] = 0
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cur = self.pin_state.get(p, 1)
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for _ in range(_WAVEFORM_LEN):
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self.pin_waveform[p].append(cur)
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for p in SA_BUTTON_PINS:
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self.bounce_count[p] = 0
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self.bounce_max_us[p] = 0
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self._press_t0.clear(); self._press_n.clear(); self._press_last.clear()
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self.jog_net = 0
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self.adc_min = 1023; self.adc_max = 0
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self.adc_sum = 0.0; self.adc_count = 0
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self.adc_history.clear()
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self.events.clear()
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# ─── Protocol parsing ─────────────────────────────────────────────────────────
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def parse_line(line: str) -> tuple | None:
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"""Parse one SA: protocol line from Pico Core 1."""
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if not line.startswith("SA:"):
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return None
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if line == "SA:START":
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return ("start",)
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if "ADC=" in line:
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m = re.search(r'ADC=(\d+).*T=(\d+)', line)
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if m:
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return ("adc", int(m.group(1)), int(m.group(2)))
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return None
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m = re.search(r'T=(\d+),P=(\d+),V=(\d+)', line)
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if m:
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return ("gpio", int(m.group(1)), int(m.group(2)), int(m.group(3)))
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return None
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def open_channel(pi_client: Any) -> Any:
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"""Open an SSH channel that streams /dev/ttyACM0 from the Pi."""
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transport = pi_client._ssh.get_transport()
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assert transport
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ch = transport.open_session()
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ch.set_combine_stderr(True)
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ch.exec_command("stty -F /dev/ttyACM0 115200 raw -echo 2>/dev/null; cat /dev/ttyACM0")
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return ch
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# ─── Web server (SSE) ─────────────────────────────────────────────────────────
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# Embedded HTML — kept in one place so the web UI and the Python server stay in sync.
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_WEB_HTML = r"""<!DOCTYPE html>
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<html lang="en"><head><meta charset="UTF-8">
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<title>XDJ Signal Analyzer</title>
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<style>
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:root{--bg:#0d1117;--bg2:#161b22;--bg3:#21262d;--brd:#30363d;--txt:#c9d1d9;--dim:#6e7681;--blue:#58a6ff;--grn:#3fb950;--yel:#d29922;--red:#f85149;--cyan:#39c5cf;}
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*{box-sizing:border-box;margin:0;padding:0;}
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body{background:var(--bg);color:var(--txt);font-family:'SF Mono','Fira Code','Cascadia Code',monospace;font-size:13px;overflow:hidden;height:100vh;display:flex;flex-direction:column;}
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header{background:var(--bg2);border-bottom:1px solid var(--brd);padding:7px 16px;display:flex;align-items:center;gap:14px;flex-shrink:0;}
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header h1{color:var(--blue);font-size:13px;font-weight:bold;}
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#status{font-size:12px;}#elapsed,#evcount{color:var(--dim);font-size:12px;}
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.hbtn{background:var(--bg3);border:1px solid var(--brd);color:var(--txt);padding:2px 10px;cursor:pointer;border-radius:3px;font-family:inherit;font-size:11px;margin-left:4px;}
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.hbtn:hover{border-color:var(--blue);}
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.fbar{background:var(--bg2);border-bottom:1px solid var(--brd);padding:5px 12px;display:flex;gap:6px;align-items:center;flex-shrink:0;}
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.fbtn{background:var(--bg3);border:1px solid var(--brd);color:var(--dim);padding:2px 12px;cursor:pointer;border-radius:3px;font-family:inherit;font-size:12px;}
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.fbtn.on{background:#1f6feb;border-color:#388bfd;color:#e6edf3;}
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.hint{color:var(--dim);font-size:11px;margin-left:8px;}
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.main{display:grid;grid-template-columns:1fr 270px;grid-template-rows:1fr 160px;flex:1;min-height:0;}
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.tbl-wrap{overflow-y:auto;border-right:1px solid var(--brd);}
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table{width:100%;border-collapse:collapse;}
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thead th{position:sticky;top:0;background:var(--bg2);color:var(--dim);text-align:left;padding:4px 8px;border-bottom:1px solid var(--brd);font-weight:bold;font-size:11px;text-transform:uppercase;white-space:nowrap;}
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tbody tr{border-bottom:1px solid var(--brd)22;}
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tbody tr:hover{background:#ffffff09;}
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tbody tr.sel{background:#1f6feb18;}
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tbody td{padding:3px 8px;white-space:nowrap;}
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.c-pin{color:var(--cyan);font-weight:bold;}.c-name{color:var(--dim);}
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.c-hi{color:var(--grn);}.c-lo{color:var(--yel);}
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.c-ed{color:var(--txt);}.c-bc{color:var(--red);}.c-dim{color:var(--dim);}
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.wf{letter-spacing:-1px;}
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.rpanel{display:flex;flex-direction:column;border-left:1px solid var(--brd);}
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.rsec{padding:10px 12px;border-bottom:1px solid var(--brd);flex-shrink:0;}
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.rsec.grow{flex:1;overflow:hidden;}
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.rtitle{color:var(--cyan);font-size:10px;font-weight:bold;margin-bottom:6px;letter-spacing:.5px;}
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.rcontent{font-size:12px;line-height:1.7;}
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#adc-bar-bg{background:var(--bg3);border-radius:2px;height:8px;margin:5px 0;}
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#adc-bar{height:8px;border-radius:2px;transition:width .06s;}
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#adc-nums{color:var(--dim);font-size:11px;}
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#adc-spark{color:var(--cyan);letter-spacing:-1px;font-size:11px;}
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.log-wrap{grid-column:1/-1;border-top:1px solid var(--brd);overflow-y:auto;font-size:11px;}
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.log-wrap::-webkit-scrollbar{width:4px;}.log-wrap::-webkit-scrollbar-thumb{background:var(--brd);}
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.ev{display:flex;gap:10px;padding:1px 12px;}.ev:hover{background:#ffffff06;}
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.ev-t{color:var(--dim);min-width:65px;}.ev-p{color:var(--cyan);min-width:36px;}
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.ev-n{color:var(--dim);min-width:96px;}.ev-hi{color:var(--grn);}.ev-lo{color:var(--yel);}
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.ev-bc{color:var(--red);font-size:10px;}.ev-err{color:var(--red);}
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</style></head><body>
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<header>
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<h1>⬡ XDJ Signal Analyzer</h1>
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<span id="status" style="color:#d29922">● connecting…</span>
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<span id="elapsed">00:00:00</span>│
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<span id="evcount">0 events</span>
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<span style="margin-left:auto">
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<button class="hbtn" onclick="resetAll()">Reset</button>
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<button class="hbtn" onclick="clearLog()">Clear Log</button>
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</span>
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</header>
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<div class="fbar">
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<button class="fbtn on" id="fb-all" onclick="setFilter('all',this)">ALL</button>
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<button class="fbtn" id="fb-buttons" onclick="setFilter('buttons',this)">BUTTONS</button>
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<button class="fbtn" id="fb-jog" onclick="setFilter('jog',this)">JOG</button>
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<button class="fbtn" id="fb-leds" onclick="setFilter('leds',this)">LEDs</button>
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<span class="hint">click row to inspect · SSE live stream</span>
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</div>
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<div class="main">
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<div class="tbl-wrap"><table>
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<thead><tr><th>PIN</th><th>NAME</th><th>STATE</th><th>EDGES</th><th>BOUNCE</th><th>MAX µs</th><th>WAVEFORM</th></tr></thead>
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<tbody id="tbody"></tbody>
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</table></div>
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<div class="rpanel">
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<div class="rsec" id="det-sec">
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<div class="rtitle">━ SELECTED PIN ━━━━━━━━━━━━━━━━━━━━━━</div>
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<div class="rcontent" id="det" style="color:var(--dim)">↑ click a row</div>
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</div>
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<div class="rsec">
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<div class="rtitle">━ JOG QUADRATURE ━━━━━━━━━━━━━━━━━━━</div>
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<div class="rcontent" id="jog"></div>
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</div>
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<div class="rsec grow">
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<div class="rtitle">━ PITCH ADC GP26 ━━━━━━━━━━━━━━━━━━━</div>
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<div id="adc-bar-bg"><div id="adc-bar" style="width:50%;background:var(--blue)"></div></div>
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<div id="adc-nums"></div>
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<div id="adc-spark"></div>
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</div>
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</div>
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<div class="log-wrap"><div id="evlog"></div></div>
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</div>
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<script>
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const PIN_NAMES = %%PIN_NAMES%%;
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const BTN_PINS = %%BTN_PINS%%;
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const JOG_PINS = %%JOG_PINS%%;
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const LED_PINS = %%LED_PINS%%;
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const ALL_PINS = %%ALL_PINS%%;
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const HOST = "%%HOST%%";
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const FILTERS = {all:ALL_PINS, buttons:BTN_PINS, jog:JOG_PINS, leds:LED_PINS};
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let filter = ALL_PINS, selPin = null, jogNet = 0, evCount = 0, logCount = 0, tRef = null;
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const t0 = Date.now();
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const pins = {};
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ALL_PINS.forEach(p => pins[p] = {val:1,edges:0,bounce:0,bm:0,wf:Array(24).fill(1)});
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function buildTable() {
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const tb = document.getElementById('tbody');
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tb.innerHTML = '';
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filter.forEach(pin => {
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const tr = document.createElement('tr');
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tr.id = 'r'+pin; tr.onclick = ()=>selRow(pin);
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tr.innerHTML = '<td class="c-pin">GP'+String(pin).padStart(2,'0')+'</td>'
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+'<td class="c-name">'+(PIN_NAMES[pin]||'?')+'</td>'
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+'<td id="st'+pin+'" class="c-hi">▔ HI</td>'
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+'<td id="ed'+pin+'" class="c-ed">0</td>'
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+'<td id="bc'+pin+'" class="c-dim">—</td>'
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+'<td id="bm'+pin+'" class="c-dim">—</td>'
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+'<td id="wf'+pin+'" class="wf c-hi">'+'▔'.repeat(24)+'</td>';
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tb.appendChild(tr);
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});
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}
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buildTable();
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function updRow(pin) {
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const p = pins[pin];
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const st = document.getElementById('st'+pin); if(!st)return;
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st.textContent = p.val?'▔ HI':'▁ LO'; st.className = p.val?'c-hi':'c-lo';
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document.getElementById('ed'+pin).textContent = p.edges;
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const bc=document.getElementById('bc'+pin);
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bc.textContent=p.bounce||'—'; bc.className=p.bounce?'c-bc':'c-dim';
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const bm=document.getElementById('bm'+pin);
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bm.textContent=p.bm||'—'; bm.className=p.bm?'c-bc':'c-dim';
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const wf=document.getElementById('wf'+pin);
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wf.textContent=p.wf.map(v=>v?'▔':'▁').join(''); wf.className='wf '+(p.val?'c-hi':'c-lo');
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}
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function selRow(pin) {
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selPin=pin;
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document.querySelectorAll('tbody tr').forEach(r=>r.classList.remove('sel'));
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const r=document.getElementById('r'+pin); if(r)r.classList.add('sel');
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updDet();
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}
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function updDet() {
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if(selPin===null)return;
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const p=pins[selPin], name=PIN_NAMES[selPin]||('GP'+selPin);
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const sc=p.val?'var(--grn)':'var(--yel)';
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const bc=p.bounce?`<span style="color:var(--red)">⚡ ×${p.bounce} max ${p.bm}µs</span>`:'<span style="color:var(--dim)">no bounce</span>';
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const wf=p.wf.map(v=>v?'▔':'▁').join('');
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document.getElementById('det').innerHTML=
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`<div style="color:var(--cyan);font-weight:bold">GP${String(selPin).padStart(2,'0')} ${name}</div>`
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+`<div><span style="color:${sc}">${p.val?'▔ HIGH':'▁ LOW'}</span> edges:<b>${p.edges}</b> ${bc}</div>`
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+`<div style="color:${sc};letter-spacing:-1px;margin-top:4px;font-size:12px">${wf}</div>`;
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}
|
||||
function updJog() {
|
||||
const a=pins[14]||{val:1,wf:[],edges:0}, b=pins[19]||{val:1,wf:[],edges:0};
|
||||
const nc=jogNet>0?'var(--grn)':jogNet<0?'var(--yel)':'var(--dim)';
|
||||
document.getElementById('jog').innerHTML=
|
||||
`<div><span style="color:var(--grn)">A GP14</span> <span style="color:var(--grn);letter-spacing:-1px">${a.wf.map(v=>v?'▔':'▁').join('')}</span> <span style="color:var(--dim)">e:</span>${a.edges}</div>`
|
||||
+`<div><span style="color:var(--yel)">B GP19</span> <span style="color:var(--yel);letter-spacing:-1px">${b.wf.map(v=>v?'▔':'▁').join('')}</span> <span style="color:var(--dim)">e:</span>${b.edges}</div>`
|
||||
+`<div style="margin-top:4px">Net: <span style="color:${nc}">${jogNet>=0?'CW':'CCW'} ${Math.abs(jogNet)}</span></div>`;
|
||||
}
|
||||
function updADC(d) {
|
||||
const center=Math.abs(d.val-512)<=8;
|
||||
const pct=d.val/1023*100;
|
||||
document.getElementById('adc-bar').style.width=pct+'%';
|
||||
document.getElementById('adc-bar').style.background=center?'var(--grn)':'var(--yel)';
|
||||
const cs=center?'<span style="color:var(--grn)">● CENTER</span>'
|
||||
:`<span style="color:var(--yel)">${d.val-512>0?'+':''}${d.val-512} off</span>`;
|
||||
document.getElementById('adc-nums').innerHTML=
|
||||
`<span style="color:var(--dim)">val:</span>${d.val} ${cs} `
|
||||
+`<span style="color:var(--dim)">min:${d.min} max:${d.max} mean:${d.mean.toFixed(1)}</span>`;
|
||||
if(d.hist&&d.hist.length>1){
|
||||
const mn=Math.min(...d.hist),mx=Math.max(...d.hist),rng=mx-mn||1;
|
||||
const ch=' ▁▂▃▄▅▆▇█';
|
||||
document.getElementById('adc-spark').textContent=d.hist.slice(-44).map(v=>ch[Math.round((v-mn)*8/rng)]).join('');
|
||||
}
|
||||
}
|
||||
function setFilter(name,btn) {
|
||||
filter=FILTERS[name]||ALL_PINS;
|
||||
document.querySelectorAll('.fbtn').forEach(b=>b.classList.remove('on'));
|
||||
btn.classList.add('on');
|
||||
buildTable(); filter.forEach(updRow);
|
||||
}
|
||||
function clearLog(){document.getElementById('evlog').innerHTML='';logCount=0;tRef=null;}
|
||||
function resetAll(){
|
||||
ALL_PINS.forEach(p=>{pins[p]={val:pins[p]?.val??1,edges:0,bounce:0,bm:0,wf:Array(24).fill(pins[p]?.val??1)};updRow(p);});
|
||||
evCount=0;jogNet=0;document.getElementById('evcount').textContent='0 events';
|
||||
clearLog();updDet();updJog();
|
||||
}
|
||||
function addLog(ev) {
|
||||
if(!filter.includes(ev.pin))return;
|
||||
if(!tRef&&ev.t>0)tRef=ev.t;
|
||||
const rel=tRef?((ev.t-tRef)/1e6).toFixed(3):'0.000';
|
||||
const edge=ev.val?'<span class="ev-hi">▁→▔</span>':'<span class="ev-lo">▔→▁</span>';
|
||||
const bc=ev.bounce>0?`<span class="ev-bc"> ⚡×${ev.bounce}</span>`:'';
|
||||
const div=document.createElement('div'); div.className='ev';
|
||||
div.innerHTML=`<span class="ev-t">${rel}s</span><span class="ev-p">GP${String(ev.pin).padStart(2,'0')}</span>`
|
||||
+`<span class="ev-n">${PIN_NAMES[ev.pin]||''}</span>${edge}${bc}`;
|
||||
const log=document.getElementById('evlog'); log.appendChild(div);
|
||||
logCount++; if(logCount>500)log.removeChild(log.firstChild);
|
||||
log.parentElement.scrollTop=log.parentElement.scrollHeight;
|
||||
}
|
||||
setInterval(()=>{
|
||||
const el=Math.floor((Date.now()-t0)/1000);
|
||||
document.getElementById('elapsed').textContent=
|
||||
String(Math.floor(el/3600)).padStart(2,'0')+':'+String(Math.floor((el%3600)/60)).padStart(2,'0')+':'+String(el%60).padStart(2,'0');
|
||||
},1000);
|
||||
function connect() {
|
||||
const es=new EventSource('/stream');
|
||||
es.onopen=()=>{document.getElementById('status').textContent='● '+HOST;document.getElementById('status').style.color='var(--grn)';};
|
||||
es.onmessage=e=>{
|
||||
const ev=JSON.parse(e.data);
|
||||
if(ev.type==='gpio'){
|
||||
const prev=pins[ev.pin]||{};
|
||||
pins[ev.pin]={val:ev.val,edges:ev.edges,bounce:ev.bounce,bm:ev.bounce_max_us,wf:ev.wf};
|
||||
if(ev.pin===19&&prev.val!==undefined&&ev.val===0&&prev.val===1)
|
||||
jogNet+=(pins[14]?.val===0)?1:-1;
|
||||
updRow(ev.pin);
|
||||
if(ev.pin===selPin)updDet();
|
||||
if(ev.pin===14||ev.pin===19)updJog();
|
||||
if(ev.t>0){evCount++;document.getElementById('evcount').textContent=evCount+' events';addLog(ev);}
|
||||
} else if(ev.type==='adc'){
|
||||
updADC(ev);
|
||||
} else if(ev.type==='error'){
|
||||
const div=document.createElement('div');div.className='ev ev-err';
|
||||
div.textContent='⚠ '+ev.msg;document.getElementById('evlog').appendChild(div);
|
||||
document.getElementById('status').textContent='⚠ disconnected';
|
||||
document.getElementById('status').style.color='var(--red)';
|
||||
es.close();setTimeout(connect,3000);
|
||||
}
|
||||
};
|
||||
es.onerror=()=>{
|
||||
document.getElementById('status').textContent='● reconnecting…';
|
||||
document.getElementById('status').style.color='var(--yel)';
|
||||
es.close();setTimeout(connect,3000);
|
||||
};
|
||||
}
|
||||
updJog();connect();
|
||||
</script></body></html>"""
|
||||
|
||||
|
||||
def run_signal_analyzer_web(pi_client: Any, stop_event: threading.Event, port: int) -> None:
|
||||
"""HTTP + SSE server that streams GPIO/ADC events to a browser page.
|
||||
|
||||
Blocks until stop_event is set — run in a daemon thread.
|
||||
"""
|
||||
import json as _json
|
||||
import http.server
|
||||
import socketserver
|
||||
|
||||
state = SAState()
|
||||
clients: list = []
|
||||
clock = threading.Lock()
|
||||
|
||||
def _broadcast(msg: dict) -> None:
|
||||
data = ("data: " + _json.dumps(msg) + "\n\n").encode()
|
||||
with clock:
|
||||
dead = []
|
||||
for w in list(clients):
|
||||
try:
|
||||
w.write(data); w.flush()
|
||||
except Exception:
|
||||
dead.append(w)
|
||||
for w in dead:
|
||||
clients.remove(w)
|
||||
|
||||
def _reader() -> None:
|
||||
try:
|
||||
ch = open_channel(pi_client)
|
||||
buf = b""
|
||||
while not stop_event.is_set():
|
||||
if ch.recv_ready():
|
||||
buf += ch.recv(4096)
|
||||
while b"\n" in buf:
|
||||
raw, buf = buf.split(b"\n", 1)
|
||||
parsed = parse_line(raw.decode(errors="replace").strip())
|
||||
if not parsed:
|
||||
continue
|
||||
if parsed[0] == "gpio":
|
||||
t_us, pin, val = parsed[1], parsed[2], parsed[3]
|
||||
state.update_gpio(t_us, pin, val)
|
||||
with state.lock:
|
||||
_broadcast({
|
||||
"type": "gpio", "pin": pin, "val": val, "t": t_us,
|
||||
"name": SA_PIN_NAMES.get(pin, f"GP{pin}"),
|
||||
"edges": state.pin_edges.get(pin, 0),
|
||||
"bounce": state.bounce_count.get(pin, 0),
|
||||
"bounce_max_us": state.bounce_max_us.get(pin, 0),
|
||||
"wf": list(state.pin_waveform.get(pin, []))[-24:],
|
||||
})
|
||||
elif parsed[0] == "adc":
|
||||
state.update_adc(parsed[2], parsed[1])
|
||||
with state.lock:
|
||||
n = state.adc_count or 1
|
||||
_broadcast({
|
||||
"type": "adc",
|
||||
"val": state.adc_current, "min": state.adc_min,
|
||||
"max": state.adc_max, "mean": state.adc_sum / n,
|
||||
"hist": list(state.adc_history)[-44:],
|
||||
})
|
||||
elif ch.exit_status_ready():
|
||||
_broadcast({"type": "error", "msg": "Serial stream closed — Pico disconnected?"})
|
||||
break
|
||||
else:
|
||||
time.sleep(0.01)
|
||||
ch.close()
|
||||
except Exception as exc:
|
||||
_broadcast({"type": "error", "msg": str(exc)})
|
||||
|
||||
threading.Thread(target=_reader, daemon=True).start()
|
||||
|
||||
html = (_WEB_HTML
|
||||
.replace("%%PIN_NAMES%%", _json.dumps({str(k): v for k, v in SA_PIN_NAMES.items()}))
|
||||
.replace("%%BTN_PINS%%", _json.dumps(SA_BUTTON_PINS))
|
||||
.replace("%%JOG_PINS%%", _json.dumps(SA_JOG_PINS + SA_BROWSE_PINS))
|
||||
.replace("%%LED_PINS%%", _json.dumps(SA_LED_PINS))
|
||||
.replace("%%ALL_PINS%%", _json.dumps(SA_ALL_PINS))
|
||||
.replace("%%HOST%%", pi_client.host))
|
||||
html_b = html.encode()
|
||||
|
||||
class _Handler(http.server.BaseHTTPRequestHandler):
|
||||
def log_message(self, *_): pass
|
||||
|
||||
def do_GET(self) -> None:
|
||||
if self.path in ("/", "/index.html"):
|
||||
self.send_response(200)
|
||||
self.send_header("Content-Type", "text/html; charset=utf-8")
|
||||
self.send_header("Content-Length", str(len(html_b)))
|
||||
self.end_headers()
|
||||
self.wfile.write(html_b)
|
||||
|
||||
elif self.path == "/stream":
|
||||
self.send_response(200)
|
||||
self.send_header("Content-Type", "text/event-stream")
|
||||
self.send_header("Cache-Control", "no-cache")
|
||||
self.send_header("Connection", "keep-alive")
|
||||
self.send_header("Access-Control-Allow-Origin", "*")
|
||||
self.end_headers()
|
||||
with state.lock:
|
||||
for pin in SA_ALL_PINS:
|
||||
snap = {
|
||||
"type": "gpio", "pin": pin,
|
||||
"val": state.pin_state.get(pin, 1), "t": 0,
|
||||
"name": SA_PIN_NAMES.get(pin, f"GP{pin}"),
|
||||
"edges": state.pin_edges.get(pin, 0),
|
||||
"bounce": state.bounce_count.get(pin, 0),
|
||||
"bounce_max_us": state.bounce_max_us.get(pin, 0),
|
||||
"wf": list(state.pin_waveform.get(pin, []))[-24:],
|
||||
}
|
||||
self.wfile.write(("data: " + _json.dumps(snap) + "\n\n").encode())
|
||||
self.wfile.flush()
|
||||
with clock:
|
||||
clients.append(self.wfile)
|
||||
try:
|
||||
while not stop_event.is_set():
|
||||
time.sleep(1)
|
||||
self.wfile.write(b": ka\n\n")
|
||||
self.wfile.flush()
|
||||
except Exception:
|
||||
pass
|
||||
finally:
|
||||
with clock:
|
||||
try: clients.remove(self.wfile)
|
||||
except ValueError: pass
|
||||
else:
|
||||
self.send_error(404)
|
||||
|
||||
class _Server(socketserver.TCPServer):
|
||||
allow_reuse_address = True
|
||||
|
||||
with _Server(("", port), _Handler) as srv:
|
||||
srv.timeout = 0.5
|
||||
while not stop_event.is_set():
|
||||
srv.handle_request()
|
||||
|
||||
|
||||
# ─── CLI dashboard (Textual) ──────────────────────────────────────────────────
|
||||
|
||||
def run_signal_analyzer_cli(pi_client: Any) -> None:
|
||||
"""Launch the full Textual signal analyzer dashboard (--analyze flag)."""
|
||||
try:
|
||||
from textual.app import App, ComposeResult
|
||||
from textual.binding import Binding
|
||||
from textual.containers import Horizontal, Vertical
|
||||
from textual.widgets import Button, DataTable, Footer, RichLog, Static
|
||||
from textual import work as _tw
|
||||
from rich.text import Text
|
||||
except ImportError:
|
||||
print("textual not installed — run: pip install textual", file=sys.stderr)
|
||||
return
|
||||
|
||||
chk = pi_client.exec("ls /dev/ttyACM0 2>/dev/null || echo MISSING")
|
||||
if "MISSING" in chk["stdout"]:
|
||||
print("/dev/ttyACM0 not found — Pico not connected or firmware not flashed", file=sys.stderr)
|
||||
return
|
||||
|
||||
state = SAState()
|
||||
stop = threading.Event()
|
||||
|
||||
FILTER_GROUPS: dict[str, list[int]] = {
|
||||
"g-all": SA_ALL_PINS,
|
||||
"g-buttons": SA_BUTTON_PINS,
|
||||
"g-jog": SA_JOG_PINS + SA_BROWSE_PINS,
|
||||
"g-leds": SA_LED_PINS,
|
||||
}
|
||||
|
||||
class SignalAnalyzerApp(App): # type: ignore[misc]
|
||||
TITLE = "XDJ Signal Analyzer"
|
||||
CSS = """
|
||||
Screen { background: #0d1117; color: #c9d1d9; }
|
||||
#hdr { height: 1; padding: 0 2; background: #161b22; color: #58a6ff; content-align: left middle; }
|
||||
#fbar { height: 3; padding: 0 1; background: #161b22; border-bottom: solid #30363d; align: left middle; }
|
||||
.gbtn { height: 1; min-width: 11; border: solid #30363d; margin-right: 1; background: #21262d; color: #8b949e; }
|
||||
.gbtn.-on { background: #1f6feb; color: #e6edf3; border: solid #388bfd; }
|
||||
#fhint { color: #6e7681; margin-left: 2; }
|
||||
#body { height: 1fr; }
|
||||
#left { width: 58; border-right: solid #21262d; }
|
||||
DataTable { height: 1fr; }
|
||||
DataTable > .datatable--header { background: #161b22; color: #8b949e; text-style: bold; }
|
||||
DataTable > .datatable--cursor { background: #1f6feb33; }
|
||||
DataTable > .datatable--zebra-stripe { background: #161b2244; }
|
||||
#right { width: 1fr; padding: 0; }
|
||||
#detail { height: 7; border-bottom: solid #21262d; padding: 1 2; background: #161b22; }
|
||||
#jog { height: 8; border-bottom: solid #21262d; padding: 1 2; background: #0d1117; }
|
||||
#adc { height: 1fr; padding: 1 2; background: #161b22; }
|
||||
#evlog { height: 8; border-top: solid #21262d; }
|
||||
"""
|
||||
|
||||
BINDINGS = [
|
||||
Binding("q", "quit", "Quit"),
|
||||
Binding("r", "reset_all", "Reset"),
|
||||
Binding("l", "clear_log", "Clear log"),
|
||||
Binding("space", "toggle_pin", "Toggle"),
|
||||
Binding("i", "isolate_pin", "Isolate"),
|
||||
Binding("a", "show_all", "All"),
|
||||
Binding("1", "grp1", "Buttons"),
|
||||
Binding("2", "grp2", "Jog"),
|
||||
Binding("3", "grp3", "LEDs"),
|
||||
]
|
||||
|
||||
def __init__(self) -> None:
|
||||
super().__init__()
|
||||
self._t0 = time.time()
|
||||
self._visible: set[int] = set(SA_ALL_PINS)
|
||||
self._last_chk: dict[int, str] = {}
|
||||
|
||||
def compose(self) -> ComposeResult:
|
||||
yield Static("", id="hdr")
|
||||
with Horizontal(id="fbar"):
|
||||
yield Button("ALL", id="g-all", classes="gbtn -on")
|
||||
yield Button("BUTTONS", id="g-buttons", classes="gbtn")
|
||||
yield Button("JOG", id="g-jog", classes="gbtn")
|
||||
yield Button("LEDs", id="g-leds", classes="gbtn")
|
||||
yield Static(
|
||||
" ↑↓ select [bold]Space[/]:toggle [bold]I[/]:isolate "
|
||||
"[bold]A[/]:all [bold]1-3[/]:group [bold]R[/]:reset [bold]L[/]:clear log",
|
||||
id="fhint",
|
||||
)
|
||||
with Horizontal(id="body"):
|
||||
with Vertical(id="left"):
|
||||
yield DataTable(id="tbl", cursor_type="row", zebra_stripes=True)
|
||||
with Vertical(id="right"):
|
||||
yield Static("", id="detail")
|
||||
yield Static("", id="jog")
|
||||
yield Static("", id="adc")
|
||||
yield RichLog(id="evlog", highlight=True, markup=True, max_lines=500)
|
||||
yield Footer()
|
||||
|
||||
def on_mount(self) -> None:
|
||||
self._rebuild_table()
|
||||
self.set_interval(0.15, self._tick)
|
||||
self._start_reader()
|
||||
|
||||
def on_worker_state_changed(self, event: object) -> None:
|
||||
pass # suppress app exit on unhandled worker exception
|
||||
|
||||
@_tw(thread=True)
|
||||
def _start_reader(self) -> None:
|
||||
try:
|
||||
evlog = self.query_one("#evlog", RichLog)
|
||||
channel = open_channel(pi_client)
|
||||
buf = b""
|
||||
while not stop.is_set():
|
||||
if channel.recv_ready():
|
||||
buf += channel.recv(4096)
|
||||
while b"\n" in buf:
|
||||
raw, buf = buf.split(b"\n", 1)
|
||||
parsed = parse_line(raw.decode(errors="replace").strip())
|
||||
if parsed is None:
|
||||
continue
|
||||
if parsed[0] == "gpio":
|
||||
t_us, pin, val = parsed[1], parsed[2], parsed[3]
|
||||
state.update_gpio(t_us, pin, val)
|
||||
if pin in self._visible:
|
||||
self.call_from_thread(self._log_gpio, t_us, pin, val)
|
||||
elif parsed[0] == "adc":
|
||||
state.update_adc(parsed[2], parsed[1])
|
||||
elif channel.exit_status_ready():
|
||||
self.call_from_thread(
|
||||
evlog.write, "[red]⚠ Serial stream closed — Pico disconnected?[/]"
|
||||
)
|
||||
break
|
||||
else:
|
||||
time.sleep(0.01)
|
||||
channel.close()
|
||||
except Exception as exc:
|
||||
try:
|
||||
self.call_from_thread(
|
||||
self.query_one("#evlog", RichLog).write,
|
||||
f"[red bold]Reader error:[/] [red]{exc}[/]",
|
||||
)
|
||||
except Exception:
|
||||
pass
|
||||
|
||||
def _log_gpio(self, t_us: int, pin: int, val: int) -> None:
|
||||
name = SA_PIN_NAMES.get(pin, f"GP{pin}")
|
||||
edge = "[green]▁→▔[/]" if val else "[yellow]▔→▁[/]"
|
||||
rel_s = (t_us - state.t_ref_us) / 1_000_000 if state.t_ref_us else 0.0
|
||||
with state.lock:
|
||||
bc = state.bounce_count.get(pin, 0)
|
||||
bc_s = f" [red bold]⚡ bounce ×{bc}[/]" if bc else ""
|
||||
self.query_one("#evlog", RichLog).write(
|
||||
f"[dim]{rel_s:9.3f}s[/] [cyan]GP{pin:02d}[/] {name:<14} {edge}{bc_s}"
|
||||
)
|
||||
|
||||
def _rebuild_table(self) -> None:
|
||||
tbl = self.query_one("#tbl", DataTable)
|
||||
tbl.clear(columns=True)
|
||||
tbl.add_column("PIN", key="pin", width=6)
|
||||
tbl.add_column("NAME", key="name", width=14)
|
||||
tbl.add_column("STATE", key="st", width=6)
|
||||
tbl.add_column("EDGES", key="ed", width=7)
|
||||
tbl.add_column("BOUNCE", key="bc", width=8)
|
||||
tbl.add_column("MAX µs", key="bm", width=9)
|
||||
tbl.add_column("WAVEFORM (last 24)", key="wf", width=26)
|
||||
self._last_chk.clear()
|
||||
for pin in sorted(p for p in SA_ALL_PINS if p in self._visible):
|
||||
tbl.add_row(
|
||||
f"GP{pin:02d}", SA_PIN_NAMES.get(pin, "?"),
|
||||
"▔ HI", "0", "—", "—", "▔" * 24,
|
||||
key=str(pin),
|
||||
)
|
||||
|
||||
def _tick(self) -> None:
|
||||
el = time.time() - self._t0
|
||||
hh = int(el)//3600; mm = (int(el)%3600)//60; ss = int(el)%60
|
||||
with state.lock:
|
||||
tot = sum(state.pin_edges.values())
|
||||
self.query_one("#hdr", Static).update(
|
||||
f"[bold cyan]XDJ Signal Analyzer[/] │ [green]{pi_client.host}[/] │ "
|
||||
f"[dim]{hh:02d}:{mm:02d}:{ss:02d}[/] │ total events: [bold]{tot}[/]"
|
||||
)
|
||||
self._update_table()
|
||||
self._update_right()
|
||||
|
||||
def _update_table(self) -> None:
|
||||
tbl = self.query_one("#tbl", DataTable)
|
||||
pins = sorted(p for p in SA_ALL_PINS if p in self._visible)
|
||||
with state.lock:
|
||||
snap = {
|
||||
p: (
|
||||
state.pin_state.get(p, 1),
|
||||
state.pin_edges.get(p, 0),
|
||||
state.bounce_count.get(p, 0),
|
||||
state.bounce_max_us.get(p, 0),
|
||||
list(state.pin_waveform.get(p, []))[-24:],
|
||||
)
|
||||
for p in pins
|
||||
}
|
||||
for pin in pins:
|
||||
s_, ed, bc, bm, wf = snap[pin]
|
||||
chk = f"{s_},{ed},{bc}"
|
||||
if self._last_chk.get(pin) == chk:
|
||||
continue
|
||||
self._last_chk[pin] = chk
|
||||
rk = str(pin)
|
||||
st_c = "green" if s_ else "yellow"
|
||||
ed_c = "bold white" if ed > 0 else "dim"
|
||||
bc_c = "red bold" if bc > 0 else "dim"
|
||||
wf_s = "".join("▔" if x else "▁" for x in wf)
|
||||
try:
|
||||
tbl.update_cell(rk, "st", Text("▔ HI" if s_ else "▁ LO", style=st_c), update_width=False)
|
||||
tbl.update_cell(rk, "ed", Text(str(ed), style=ed_c), update_width=False)
|
||||
tbl.update_cell(rk, "bc", Text(str(bc) if bc else "—", style=bc_c), update_width=False)
|
||||
tbl.update_cell(rk, "bm", Text(str(bm) if bm else "—", style="red" if bm else "dim"), update_width=False)
|
||||
tbl.update_cell(rk, "wf", Text(wf_s, style=st_c), update_width=False)
|
||||
except Exception:
|
||||
pass
|
||||
|
||||
def _update_right(self) -> None:
|
||||
tbl = self.query_one("#tbl", DataTable)
|
||||
sel_pin: int | None = None
|
||||
try:
|
||||
rk = tbl.cursor_row_key
|
||||
if rk is not None:
|
||||
sel_pin = int(str(rk))
|
||||
except Exception:
|
||||
pass
|
||||
|
||||
if sel_pin is not None and sel_pin in self._visible:
|
||||
with state.lock:
|
||||
s_ = state.pin_state.get(sel_pin, 1)
|
||||
ed = state.pin_edges.get(sel_pin, 0)
|
||||
bc = state.bounce_count.get(sel_pin, 0)
|
||||
bm = state.bounce_max_us.get(sel_pin, 0)
|
||||
wf = list(state.pin_waveform.get(sel_pin, []))
|
||||
name = SA_PIN_NAMES.get(sel_pin, f"GP{sel_pin}")
|
||||
st_c = "green" if s_ else "yellow"
|
||||
wf_s = "".join("▔" if x else "▁" for x in wf)
|
||||
bc_s = (f"[red]⚡ bounce ×{bc} longest: {bm} µs[/]"
|
||||
if bc else "[dim]no bounce detected[/]")
|
||||
self.query_one("#detail", Static).update(
|
||||
f"[bold cyan]━━ GP{sel_pin:02d} {name} ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━[/]\n"
|
||||
f" [{st_c}]{'▔ HIGH' if s_ else '▁ LOW '}[/] edges: [bold]{ed}[/] {bc_s}\n\n"
|
||||
f" [{st_c}]{wf_s}[/]"
|
||||
)
|
||||
else:
|
||||
self.query_one("#detail", Static).update(
|
||||
"[dim] ↑↓ navigate the table to inspect a pin[/]"
|
||||
)
|
||||
|
||||
with state.lock:
|
||||
wf_a = list(state.pin_waveform.get(14, []))
|
||||
wf_b = list(state.pin_waveform.get(19, []))
|
||||
a_ed = state.pin_edges.get(14, 0)
|
||||
b_ed = state.pin_edges.get(19, 0)
|
||||
net = state.jog_net
|
||||
wf_a_s = "".join("▔" if x else "▁" for x in wf_a)
|
||||
wf_b_s = "".join("▔" if x else "▁" for x in wf_b)
|
||||
nc = "green" if net > 0 else ("yellow" if net < 0 else "dim")
|
||||
ds = "CW" if net >= 0 else "CCW"
|
||||
self.query_one("#jog", Static).update(
|
||||
f"[bold cyan]━━ JOG QUADRATURE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━[/]\n"
|
||||
f" [green]A GP14[/] [green]{wf_a_s}[/] [dim]edges:[/] [bold]{a_ed}[/]\n"
|
||||
f" [yellow]B GP19[/] [yellow]{wf_b_s}[/] [dim]edges:[/] [bold]{b_ed}[/]\n\n"
|
||||
f" Net: [{nc}]{ds} {abs(net):5d}[/] ticks "
|
||||
f"[dim]A:{a_ed} B:{b_ed} diff:{abs(a_ed - b_ed)}[/]"
|
||||
)
|
||||
|
||||
with state.lock:
|
||||
av = state.adc_current
|
||||
amin = state.adc_min if state.adc_count > 0 else 512
|
||||
amax = state.adc_max if state.adc_count > 0 else 512
|
||||
amean = (state.adc_sum / state.adc_count) if state.adc_count > 0 else 512.0
|
||||
hist = list(state.adc_history)
|
||||
cnt = state.adc_count
|
||||
center = abs(av - 512) <= 8
|
||||
adc_c = "green" if center else "yellow"
|
||||
blen = 34
|
||||
filled = max(0, min(blen, av * blen // 1024))
|
||||
bar = "█" * filled + "░" * (blen - filled)
|
||||
spc = " ▁▂▃▄▅▆▇█"
|
||||
if hist and cnt > 1:
|
||||
mn, mx = min(hist), max(hist); rng = mx - mn or 1
|
||||
spark = "".join(spc[int((v - mn) * 8 // rng)] for v in hist[-44:])
|
||||
else:
|
||||
spark = "[dim](waiting for samples…)[/]"
|
||||
jitter = (amax - amin) // 2 if cnt > 0 else 0
|
||||
ctr_s = "[green]● CENTER[/]" if center else f"[yellow]{av - 512:+d} off center[/]"
|
||||
self.query_one("#adc", Static).update(
|
||||
f"[bold cyan]━━ PITCH ADC GP26/ADC0 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━[/]\n\n"
|
||||
f" [{adc_c}][{bar}][/] [{adc_c}]{av:4d}[/] {ctr_s}\n\n"
|
||||
f" [dim]min:[/][cyan]{amin}[/] [dim]max:[/][cyan]{amax}[/] "
|
||||
f"[dim]mean:[/][cyan]{amean:.1f}[/] "
|
||||
f"[dim]jitter:[/][{'green' if jitter < 5 else 'yellow'}]±{jitter}[/]\n\n"
|
||||
f" [cyan]{spark}[/]"
|
||||
)
|
||||
|
||||
def on_button_pressed(self, event: Button.Pressed) -> None:
|
||||
bid = event.button.id
|
||||
if bid not in FILTER_GROUPS:
|
||||
return
|
||||
for fid in FILTER_GROUPS:
|
||||
self.query_one(f"#{fid}", Button).remove_class("-on")
|
||||
event.button.add_class("-on")
|
||||
new = set(FILTER_GROUPS[bid])
|
||||
if new != self._visible:
|
||||
self._visible = new
|
||||
self._rebuild_table()
|
||||
|
||||
def action_toggle_pin(self) -> None:
|
||||
tbl = self.query_one("#tbl", DataTable)
|
||||
try:
|
||||
pin = int(str(tbl.cursor_row_key))
|
||||
except Exception:
|
||||
return
|
||||
if pin in self._visible:
|
||||
self._visible.discard(pin)
|
||||
else:
|
||||
self._visible.add(pin)
|
||||
self._rebuild_table()
|
||||
|
||||
def action_isolate_pin(self) -> None:
|
||||
tbl = self.query_one("#tbl", DataTable)
|
||||
try:
|
||||
pin = int(str(tbl.cursor_row_key))
|
||||
except Exception:
|
||||
return
|
||||
self._visible = {pin}
|
||||
for fid in FILTER_GROUPS:
|
||||
self.query_one(f"#{fid}", Button).remove_class("-on")
|
||||
self._rebuild_table()
|
||||
|
||||
def action_show_all(self) -> None:
|
||||
self._visible = set(SA_ALL_PINS)
|
||||
for fid in FILTER_GROUPS:
|
||||
self.query_one(f"#{fid}", Button).remove_class("-on")
|
||||
self.query_one("#g-all", Button).add_class("-on")
|
||||
self._rebuild_table()
|
||||
|
||||
def action_grp1(self) -> None:
|
||||
self.query_one("#g-buttons", Button).press()
|
||||
|
||||
def action_grp2(self) -> None:
|
||||
self.query_one("#g-jog", Button).press()
|
||||
|
||||
def action_grp3(self) -> None:
|
||||
self.query_one("#g-leds", Button).press()
|
||||
|
||||
def action_clear_log(self) -> None:
|
||||
log = self.query_one("#evlog", RichLog)
|
||||
log.clear()
|
||||
log.write("[dim]── log cleared ──[/]")
|
||||
|
||||
def action_reset_all(self) -> None:
|
||||
state.reset_counters()
|
||||
self._t0 = time.time()
|
||||
self._last_chk.clear()
|
||||
log = self.query_one("#evlog", RichLog)
|
||||
log.clear()
|
||||
log.write("[dim]── counters reset ──[/]")
|
||||
|
||||
def on_unmount(self) -> None:
|
||||
stop.set()
|
||||
|
||||
SignalAnalyzerApp().run()
|
||||
stop.set()
|
||||
Reference in New Issue
Block a user