Fixup

hdlcontroller/hdlcontroller.py

@@ -39,6 +39,12 @@ def __init__(
  frames_queue_size: int = 0,
  fcs_nack: bool = True,
  ):
+ if not callable(read_func):
+ raise TypeError("'read_func' is not callable")
+
+ if not callable(write_func):
+ raise TypeError("'write_func' is not callable")
+
  self.read: ReadFunction = read_func
  self.write: WriteFunction = write_func
 
@@ -93,6 +99,9 @@ def set_send_callback(self, callback: Callback) -> None:
  sent.
  """
 
+ if not callable(callback):
+ raise TypeError("'callback' is not callable")
+
  self.send_callback = callback
 
  def set_receive_callback(self, callback: Callback) -> None:
@@ -102,6 +111,9 @@ def set_receive_callback(self, callback: Callback) -> None:
  This method has to be called before starting the HDLC controller.
  """
 
+ if not callable(callback):
+ raise TypeError("'callback' is not callable")
+
  self.receive_callback = callback
 
  def set_sending_timeout(self, sending_timeout: Timeout) -> None: