aioble/l2cap: Catch disconnection and raise as DeviceDisconnectedError.

micropython/bluetooth/aioble/aioble/l2cap.py

@@ -6,7 +6,7 @@ from micropython import const
 import asyncio
 
 from .core import ble, log_error, register_irq_handler
-from .device import DeviceConnection
+from .device import DeviceConnection, DeviceDisconnectedError
 
 
 _IRQ_L2CAP_ACCEPT = const(22)
@@ -180,6 +180,7 @@ class L2CAPChannel:
 # Use connection.l2cap_accept() instead of calling this directly.
 async def accept(connection, psm, mtu, timeout_ms):
     global _listening
+    try:
 
         channel = L2CAPChannel(connection)
 
@@ -192,6 +193,10 @@ async def accept(connection, psm, mtu, timeout_ms):
         with connection.timeout(timeout_ms):
             await channel._event.wait()
             return channel
+    except ValueError as ex:
+        if ex.value == 'Not connected':
+            raise DeviceDisconnectedError()
+        raise
 
 
 # Use connection.l2cap_connect() instead of calling this directly.
@@ -199,6 +204,7 @@ async def connect(connection, psm, mtu, timeout_ms):
     if _listening:
         raise ValueError("Can't connect while listening")
 
+    try:
         channel = L2CAPChannel(connection)
 
         with connection.timeout(timeout_ms):
@@ -212,3 +218,8 @@ async def connect(connection, psm, mtu, timeout_ms):
                 return channel
             else:
                 raise L2CAPConnectionError(channel._status)
+
+    except ValueError as ex:
+        if ex.value == 'Not connected':
+            raise DeviceDisconnectedError()
+        raise