mirror of
https://github.com/cjfranko/NTP-Timeturner.git
synced 2025-11-08 10:22:02 +00:00
75 lines
2 KiB
Python
75 lines
2 KiB
Python
import curses
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import serial
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import re
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from datetime import datetime
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import time
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# Configurable parameters
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SERIAL_PORT = "/dev/ttyACM0"
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BAUD_RATE = 115200
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REFRESH_INTERVAL = 0.5 # seconds
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# Regex to match LTC lines
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ltc_pattern = re.compile(
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r"\[(LOCK|FREE)\]\s+(\d{2}:\d{2}:\d{2}[:;]\d{2})\s+\|\s+([\d.]+fps)", re.IGNORECASE
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)
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def read_ltc(ser):
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"""Reads and parses one line of LTC from the serial interface"""
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try:
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line = ser.readline().decode(errors='ignore').strip()
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match = ltc_pattern.match(line)
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if match:
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status, timecode, framerate = match.groups()
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return f"{status} {timecode} ({framerate.upper()})"
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return None
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except:
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return None
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def draw_ui(stdscr):
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curses.curs_set(0) # Hide cursor
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stdscr.nodelay(True)
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stdscr.timeout(int(REFRESH_INTERVAL * 1000))
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# Open serial connection
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try:
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ser = serial.Serial(SERIAL_PORT, BAUD_RATE, timeout=1)
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except serial.SerialException as e:
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stdscr.addstr(0, 0, f"[ERROR] Failed to open serial: {e}")
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stdscr.getch()
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return
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ltc_string = "Waiting for LTC…"
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while True:
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try:
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stdscr.clear()
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# Read LTC if available
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new_ltc = read_ltc(ser)
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if new_ltc:
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ltc_string = new_ltc
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# Get system time
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now = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
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# Draw UI
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stdscr.addstr(0, 0, "🕰️ NTP Timeturner v0.1")
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stdscr.addstr(2, 0, f"LTC Timecode: {ltc_string}")
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stdscr.addstr(3, 0, f"System Clock: {now}")
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stdscr.addstr(5, 0, "Press Ctrl+C to quit.")
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stdscr.refresh()
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time.sleep(REFRESH_INTERVAL)
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except KeyboardInterrupt:
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break
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except Exception as e:
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stdscr.addstr(7, 0, f"[EXCEPTION] {e}")
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stdscr.refresh()
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time.sleep(1)
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ser.close()
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if __name__ == "__main__":
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curses.wrapper(draw_ui)
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