doc(ble): Update when OSErrors are raised

Documentation/pycardium/ble_hid.rst

@@ -15,7 +15,6 @@ The ``ble_hid`` module provides access to the BLE Human Interface Device functio
     paired to the host computer. If you want to connect your card10 to a phone again,
     you might have to temporarily turn off Bluetooth on your computer.
 
-
 An example application can be found in the preload directory (named ``HID Demo``). It provides
 examples how to use the card10 as keyboard, mouse or volume control.
 
@@ -80,7 +79,9 @@ A more complete version of this example can be found in the HID Demo app on your
             elif b_new == buttons.BOTTOM_LEFT:
                 m.click(Mouse.LEFT_BUTTON)
 
-
+.. note::
+    Make sure to catch ``OSError`` exceptions in real applications. The exception will be thrown if
+    there is connection to the host (or if it is lost) and you want to send an event.
 
 
 .. automodule:: ble_hid

pycardium/modules/py/ble_hid.py

@@ -59,8 +59,8 @@ class Report:
         :param data: The data to be sent. Must not exceed the configured length of the report.
         :rtype: bool
         :returns: `True` if the report was sent, `False` if the report was queued for sending.
-        :raises OSError: if there is no connection to a host
-        :raises MemoryError: if there was no space in the queue (only raised if ``blocking`` was set to `False`)
+        :raises OSError: if there is no connection to a host or BLE HID is not enabled.
+        :raises MemoryError: if there was no space in the queue (only raised if ``blocking`` was set to `False`).
         """
 
         if self.blocking: