From 8abf2a81bf885f984020da569ec824989ec52c98 Mon Sep 17 00:00:00 2001
From: Chris Frankland-Wright <85807217+cjfranko@users.noreply.github.com>
Date: Mon, 7 Jul 2025 19:53:48 +0100
Subject: [PATCH] Create test_ltc_serial.py

---
 test_ltc_serial.py | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 test_ltc_serial.py

diff --git a/test_ltc_serial.py b/test_ltc_serial.py
new file mode 100644
index 0000000..dc4d9f0
--- /dev/null
+++ b/test_ltc_serial.py
@@ -0,0 +1,34 @@
+import serial
+import re
+
+# Adjust this as needed
+SERIAL_PORT = "/dev/ttyACM0"
+BAUD_RATE = 115200
+
+# Regex pattern to match: [LOCK] 10:00:00:00 | 24.00FPS
+ltc_pattern = re.compile(r"\[(LOCK|FREE)\]\s+(\d{2}:\d{2}:\d{2}:\d{2})\s+\|\s+([\d.]+FPS)")
+
+def main():
+    print(f"🔌 Connecting to serial port: {SERIAL_PORT} @ {BAUD_RATE} baud")
+    try:
+        with serial.Serial(SERIAL_PORT, BAUD_RATE, timeout=1) as ser:
+            print("📡 Listening for LTC messages...\n")
+            while True:
+                line = ser.readline().decode(errors='ignore').strip()
+                match = ltc_pattern.match(line)
+                if match:
+                    status, timecode, framerate = match.groups()
+                    if status == "LOCK":
+                        print(f"🔒 {status}  |  ⏱ {timecode}  |  🎞 {framerate}")
+                    else:
+                        print(f"🟡 {status} |  ⏱ {timecode}  |  🎞 {framerate}")
+                else:
+                    if line:
+                        print(f"⚠️ Unrecognised line: {line}")
+    except serial.SerialException as e:
+        print(f"❌ Serial error: {e}")
+    except KeyboardInterrupt:
+        print("\n🛑 Stopped by user.")
+
+if __name__ == "__main__":
+    main()