Enhance protocol layers: implement I/O locking for thread safety in serial communication

1 files changed, 10 insertions, 0 deletions

diff --git a/devices/serial_device.py b/devices/serial_device.py
index ca551c6..dc92b12 100644
--- a/devices/serial_device.py
+++ b/devices/serial_device.py
@@ -313,6 +313,16 @@ class SerialDevice(BaseDevice):
                         color=_COLORS[color_idx % len(_COLORS)],
                     ))
                     color_idx += 1
+                # Write-only action channels — motor must be enabled (ME) before VS/MA take effect
+                for cmd, label in (("ME", "Enable"), ("MD", "Disable")):
+                    channels.append(ChannelConfig(
+                        channel_id=f"{mid}_{cmd}",
+                        name=f"{mid} {label}",
+                        unit="",
+                        min_value=0.0, max_value=1.0,
+                        color=_COLORS[color_idx % len(_COLORS)],
+                    ))
+                    color_idx += 1
             return channels or [ChannelConfig("M1_TP", "M1 TP", "counts", color=_COLORS[0])]
         return []