Implement OS version check in transmit.py from master-b-cam

Add OS version check and update os_status based on command output.

transmit.py

@@ -481,6 +481,24 @@ if __name__ == "__main__":
 #	print(1)
 	setup(txLed, "out")
 
+	query = ["grep", "VERSION_CODENAME=bullseye", "/etc/os-release"] 
+	try:
+		result = subprocess.run(query, capture_output=True, text=True, check=True)
+		print(f"Command run was: {query}")
+		os_status = result.stdout.strip()
+		print(f"Output of the command (stdout): {os_status}")
+	except subprocess.CalledProcessError as e:
+#		print(f"Command failed with return code: {e.returncode}")
+		print(f"Command run was: {e.cmd}")
+		os_status = e.stdout.strip()
+		print(f"Output of the command (stdout): {e.stdout}")
+#		print(f"Error output of the command (stderr): {e.stderr}")
+	if os_status != "VERSION_CODENAME=bullseye":
+		os_status = "bookworm"
+	else:
+		os_status = "bullseye"
+	print (os_status)
+	
 	card = "Headphones"  # default using pcm audio output of Pi Zero
 #	card = "Device" # using USB sound card for audio output