1 files changed, 37 insertions, 0 deletions
diff --git a/mpm/python/usrp_mpm/dboard_manager/empty_slot.py b/mpm/python/usrp_mpm/dboard_manager/empty_slot.py
new file mode 100644
index 000000000..997d3ac6a
--- /dev/null
+++ b/mpm/python/usrp_mpm/dboard_manager/empty_slot.py
@@ -0,0 +1,37 @@
+#
+# Copyright 2021 Ettus Research, a National Instruments Brand
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+"""
+Dummy daughterboard class for empty slots
+"""
+from usrp_mpm.dboard_manager import DboardManagerBase
+from usrp_mpm.mpmlog import get_logger
+
+class EmptySlot(DboardManagerBase):
+    """
+    DboardManager class for when a slot is empty
+    """
+    #########################################################################
+    # Overridables
+    #
+    # See DboardManagerBase for documentation on these fields
+    #########################################################################
+    pids = [0x0]
+    ### End of overridables #################################################
+
+    def __init__(self, slot_idx, **kwargs):
+        DboardManagerBase.__init__(self, slot_idx, **kwargs)
+        self.log = get_logger("EmptyDB-{}".format(slot_idx))
+        self.log.trace("Initializing Empty dboard, slot index %d",
+                       self.slot_idx)
+
+    def init(self, args):
+        """
+        Execute necessary init dance to bring up dboard
+        """
+        self.log.debug("init() called with args `{}'".format(
+            ",".join(['{}={}'.format(x, args[x]) for x in args])
+        ))
+        return True