mirror of
https://github.com/cjfranko/NTP-Timeturner.git
synced 2025-11-08 10:22:02 +00:00
116 lines
4 KiB
Python
116 lines
4 KiB
Python
#!/usr/bin/env python3
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"""
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timeturner.py
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NTP Timeturner — LTC-to-NTP time server for Raspberry Pi
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Now with a colourful LTC status light 🌈🟢
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"""
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import os
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import sys
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import time
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import logging
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import json
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import curses
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from datetime import datetime, timedelta
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CONFIG_PATH = "config.json"
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DEFAULT_CONFIG = {
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"ltc_device": "/dev/audio",
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"offset": {
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"hours": 0,
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"minutes": 0,
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"seconds": 0,
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"milliseconds": 0
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},
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"frame_rate": 25
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}
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TIMETURNER_SPINNER = ['⧗', '⧖', '⧗', '⧖', '🕰']
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HEARTBEAT_PULSE = ['●', '○']
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def load_config(path=CONFIG_PATH):
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if not os.path.exists(path):
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logging.warning("Config file not found, using defaults.")
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return DEFAULT_CONFIG
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with open(path, "r") as f:
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return json.load(f)
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def read_ltc_time():
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return datetime.utcnow()
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def apply_offset(base_time, offset):
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delta = timedelta(
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hours=offset.get("hours", 0),
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minutes=offset.get("minutes", 0),
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seconds=offset.get("seconds", 0),
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milliseconds=offset.get("milliseconds", 0)
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)
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return base_time + delta
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def set_system_time(new_time):
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formatted = new_time.strftime('%Y-%m-%d %H:%M:%S')
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logging.info(f"Setting system time to: {formatted}")
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# os.system(f"sudo timedatectl set-time \"{formatted}\"")
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def draw_dashboard(stdscr, ltc_time, adjusted_time, config, frame):
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stdscr.clear()
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# Setup strings
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offset = config["offset"]
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offset_str = f"{offset['hours']:02}:{offset['minutes']:02}:{offset['seconds']:02}.{offset['milliseconds']:03}"
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spinner = TIMETURNER_SPINNER[frame % len(TIMETURNER_SPINNER)]
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heartbeat = HEARTBEAT_PULSE[frame % len(HEARTBEAT_PULSE)]
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# Hardcoded LTC status
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ltc_status = "LOCKED"
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ltc_colour = curses.color_pair(2) # Green
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# Draw
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stdscr.addstr(0, 0, f"┌───────────────────────────────┐")
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stdscr.addstr(1, 0, f"│ {spinner} NTP Timeturner {spinner} │")
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stdscr.addstr(2, 0, f"├───────────────────────────────┤")
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stdscr.addstr(3, 0, f"│ LTC Time: {ltc_time.strftime('%H:%M:%S:%f')[:-3]} │")
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stdscr.addstr(4, 0, f"│ Offset Applied: +{offset_str:<17}│")
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stdscr.addstr(5, 0, f"│ System Time: {adjusted_time.strftime('%H:%M:%S')} │")
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stdscr.addstr(6, 0, f"│ Frame Rate: {config['frame_rate']} fps │")
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stdscr.addstr(7, 0, f"│ LTC Status: ")
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stdscr.addstr("● ", ltc_colour)
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stdscr.addstr(f"{ltc_status:<14}│")
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stdscr.addstr(8, 0, f"│ NTP Broadcast: PENDING │")
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stdscr.addstr(9, 0, f"├───────────────────────────────┤")
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stdscr.addstr(10, 0, f"│ System Status: {heartbeat} │")
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stdscr.addstr(11, 0, f"│ [Ctrl+C to exit] │")
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stdscr.addstr(12, 0, f"└───────────────────────────────┘")
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stdscr.refresh()
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def start_timeturner(stdscr):
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curses.curs_set(0)
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curses.start_color()
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curses.init_pair(1, curses.COLOR_RED, curses.COLOR_BLACK) # Not used yet
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curses.init_pair(2, curses.COLOR_GREEN, curses.COLOR_BLACK) # LOCKED
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curses.init_pair(3, curses.COLOR_YELLOW, curses.COLOR_BLACK) # UNSTABLE
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stdscr.nodelay(True)
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stdscr.timeout(1000)
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config = load_config()
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frame = 0
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while True:
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try:
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ltc_time = read_ltc_time()
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adjusted_time = apply_offset(ltc_time, config["offset"])
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set_system_time(adjusted_time)
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draw_dashboard(stdscr, ltc_time, adjusted_time, config, frame)
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frame += 1
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except KeyboardInterrupt:
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break
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if __name__ == "__main__":
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logging.basicConfig(level=logging.INFO,
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format="[%(asctime)s] %(levelname)s: %(message)s")
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logging.info("✨ Timeturner console mode started.")
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curses.wrapper(start_timeturner)
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