Create timeturner.py

intial build with curses display

timeturner.py

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