Parse the settings correctly lol.

tests/unit/test_hardware_speech_drivers.py

@@ -1,5 +1,6 @@
 import os
 import select
+import termios
 import time
 from unittest.mock import ANY
 from unittest.mock import Mock
@@ -128,6 +129,19 @@ def test_auto_device_detection_includes_classic_serial(
         speech_driver.shutdown()
 
 
+def test_configured_device_strips_inline_comment(serial_pair):
+    master_fd, slave_name = serial_pair
+    device_setting = f"{slave_name} # built-in serial port"
+    speech_driver = litetalkDriver.driver()
+    speech_driver.initialize(build_environment(device_setting))
+    try:
+        assert speech_driver.device == slave_name
+        speech_driver.speak("Specific")
+        assert read_available(master_fd, 9) == b"Specific\r"
+    finally:
+        speech_driver.shutdown()
+
+
 def test_auto_device_detection_prefers_probe_response(monkeypatch):
     opened_ports = []
     closed_ports = []
@@ -260,6 +274,71 @@ def test_auto_device_detection_falls_back_without_probe_response(
         speech_driver.shutdown()
 
 
+def test_auto_device_detection_skips_termios_failures(monkeypatch):
+    opened_ports = []
+    closed_ports = []
+
+    monkeypatch.setattr(
+        "fenrirscreenreader.speechDriver.hardwareSerialDriver.glob.glob",
+        lambda pattern: ["/dev/ttyUSB0"]
+        if pattern == "/dev/ttyUSB*"
+        else ["/dev/ttyS0"]
+        if pattern == "/dev/ttyS*"
+        else [],
+    )
+
+    def fake_open(device, flags):
+        port = 100 + len(opened_ports)
+        opened_ports.append((device, port))
+        return port
+
+    def fake_tcgetattr(port):
+        if port == 101:
+            raise termios.error(5, "Input/output error")
+        return [0, 0, 0, 0, 0, 0, [0] * 32]
+
+    monkeypatch.setattr(
+        "fenrirscreenreader.speechDriver.hardwareSerialDriver.os.open",
+        fake_open,
+    )
+    monkeypatch.setattr(
+        "fenrirscreenreader.speechDriver.hardwareSerialDriver.os.close",
+        lambda port: closed_ports.append(port),
+    )
+    monkeypatch.setattr(
+        "fenrirscreenreader.speechDriver.hardwareSerialDriver.os.write",
+        lambda port, data: len(data),
+    )
+    monkeypatch.setattr(
+        "fenrirscreenreader.speechDriver.hardwareSerialDriver.select.select",
+        lambda readable, writable, exceptional, timeout: (
+            [],
+            writable,
+            exceptional,
+        ),
+    )
+    monkeypatch.setattr(
+        "fenrirscreenreader.speechDriver.hardwareSerialDriver.termios.tcgetattr",
+        fake_tcgetattr,
+    )
+    monkeypatch.setattr(
+        "fenrirscreenreader.speechDriver.hardwareSerialDriver.termios.tcsetattr",
+        lambda port, when, attrs: None,
+    )
+    monkeypatch.setattr(
+        "fenrirscreenreader.speechDriver.hardwareSerialDriver.tty.setraw",
+        lambda port: None,
+    )
+
+    speech_driver = litetalkDriver.driver()
+    speech_driver.initialize(build_environment("auto"))
+    try:
+        assert opened_ports == [("/dev/ttyUSB0", 100), ("/dev/ttyS0", 101)]
+        assert speech_driver.device == "/dev/ttyUSB0"
+    finally:
+        speech_driver.shutdown()
+
+
 def test_auto_device_detection_fails_when_no_serial_device(monkeypatch):
     monkeypatch.setattr(
         "fenrirscreenreader.speechDriver.hardwareSerialDriver.glob.glob",