DONE - DVS node not given

constructor of DynapcnnNetwork executing wihtout errors

sinabs/backend/dynapcnn/dynapcnn_layer_utils.py

@@ -271,16 +271,17 @@ def construct_destination_map(dcnnl_map: Dict[int, Dict]) -> Dict[int, List[int]
     """
     destination_map = dict()
     for layer_index, layer_info in dcnnl_map.items():
-        destination_indices = []
-        none_counter = 0
-        for dest in layer_info["destinations"]:
-            if (dest_idx := dest["destination_layer"]) is None:
-                # For `None` destinations use unique negative index
-                none_counter += 1
-                destination_indices.append(-none_counter)
-            else:
-                destination_indices.append(dest_idx)
-        destination_map[layer_index] = destination_indices
+        if 'dvs_layer' not in layer_info: # only called for `DynapcnnLayer` instances (skip DVS layer).
+            destination_indices = []
+            none_counter = 0
+            for dest in layer_info["destinations"]:
+                if (dest_idx := dest["destination_layer"]) is None:
+                    # For `None` destinations use unique negative index
+                    none_counter += 1
+                    destination_indices.append(-none_counter)
+                else:
+                    destination_indices.append(dest_idx)
+            destination_map[layer_index] = destination_indices
 
     # update mapper if a DVS layer exists.
     update_destination_map_with_dvs(dcnnl_map, destination_map)

sinabs/backend/dynapcnn/sinabs_edges_handler.py

@@ -183,6 +183,7 @@ def collect_dynapcnn_layer_info(
                 dynapcnn_layer_info,
                 indx_2_module_map,
                 node_2_layer_map,
+                nodes_io_shapes,
             )
 
     # TODO - handle dvs->pooling connections.
@@ -405,6 +406,7 @@ def add_or_update_dvs_to_entry(
     dynapcnn_layer_info: Dict[int, Dict[int, Dict]],
     indx_2_module_map: Dict[int, nn.Module],
     node_2_layer_map: Dict[int, int],
+    nodes_io_shapes: Dict[int, Dict[str, Tuple[Size, Size]]],
 ) -> None:
     """ Initiate or update dict to hold information for a DVS Layer configuration based on a "dvs-weight" edges.
     Change `dynapcnn_layer_info` in-place. If a entry for the DVS node exists the function will add a new entry 
@@ -420,6 +422,7 @@ def add_or_update_dvs_to_entry(
     indx_2_module_map (dict): Maps node IDs of the graph as `key` to their associated module as `value`
     node_2_layer_map (dict): Maps each node ID to the ID of the layer it is assigned to.
         Will be updated in-place.
+    nodes_io_shapes (dict): Map from node ID to dict containing node's in- and output shapes
     """
 
     assert isinstance(indx_2_module_map[edge[0]], DVSLayer), f'Source node in edge {edge} is of type {type(DVSLayer)} (it should be a DVSLayer instance).'
@@ -432,6 +435,7 @@ def add_or_update_dvs_to_entry(
 
         # Init. entry for a DVS layer using its configuration dict.
         dynapcnn_layer_info[layer_id] = {
+            "is_entry_node": True,
             "dvs_layer": True,
             "node_id": edge[0],
             # TODO - GraphTracer not populating I/O shape for DVS yet.