CFDP fixes

eive_tmtc/cfdp/user.py

@@ -1,7 +1,10 @@
+from datetime import timedelta
 import logging
 
 from spacepackets.cfdp import ConditionCode
+from spacepackets.util import UnsignedByteField
 from tmtccmd.cfdp import CfdpUserBase, TransactionId
+from tmtccmd.cfdp.mib import CheckTimerProvider, Countdown, EntityType
 from tmtccmd.cfdp.user import (
     TransactionFinishedParams,
     MetadataRecvParams,
@@ -11,6 +14,16 @@ from tmtccmd.cfdp.user import (
 _LOGGER = logging.getLogger(__name__)
 
 
+class EiveCheckTimerProvider(CheckTimerProvider):
+    def provide_check_timer(
+        self,
+        local_entity_id: UnsignedByteField,
+        remote_entity_id: UnsignedByteField,
+        entity_type: EntityType,
+    ) -> Countdown:
+        return Countdown(timedelta(seconds=5.0))
+
+
 class EiveCfdpUser(CfdpUserBase):
     def transaction_indication(self, transaction_id: TransactionId):
         _LOGGER.info(f"CFDP User: Start of File {transaction_id}")