Rename get_sdp_node to a more generic get_node

This function should be moved to the base class.
On error it prints out the LOFAR device type, i.e. "SDP"m which
is set in the first lines of the class.

SDP/SDP/SDP.py

@@ -61,6 +61,7 @@ class SDP(Device):
 
         The user triggers their transitions by the commands reflecting the target state (Initialise(), On(), Fault()).
     """
+    device = "SDP"
     client = 0
     name_space_index = 0
     obj = 0
@@ -87,29 +88,42 @@ class SDP(Device):
     # ----------
     # Attributes
     # ----------
+    fpga_weights_R = attribute(
+        dtype = ('DevBoolean',),
+        max_dim_x = 16 * 192 * 488,
+        #access=AttrWriteType.READ_WRITE,
+    )
+
+    fpga_mask_R = attribute(
+        dtype = ('DevBoolean',),
+        max_dim_x = 16,
+        #access=AttrWriteType.READ_WRITE,
+    )
 
-    SDP_mask_RW = attribute(
+    fpga_status_R = attribute(
         dtype = ('DevBoolean',),
-        max_dim_x = 32,
-        access=AttrWriteType.READ_WRITE,
+        max_dim_x = 16,
     )
 
     fpga_temp_R = attribute(
         dtype = ('DevDouble',),
-        max_dim_x = 4,
+        max_dim_x = 16,
     )
 
+    fpga_version_R = attribute(
+        dtype = ('DevString',),
+        max_dim_x = 16,
+    )
 
 
     # ---------------
     # General methods
     # ---------------
-
-    def get_sdp_node(self, node):
+    def get_node(self, node):
         try:
-            return self.sdp_node.get_child(["{}:{}".format(self.name_space_index, node)])
+            return self.lofar_device_node.get_child(["{}:{}".format(self.name_space_index, node)])
         except opcua.ua.uaerrors._auto.BadNoMatch:
-            self.error_stream("Could not find SDP node %s", node)
+            self.error_stream("Could not find LOFAR device %s node %s", self.device, node)
 
             # Contract with hardware is broken --- cannot recover
             raise
@@ -122,7 +136,11 @@ class SDP(Device):
             self.name_space_index = 2
 
         self.obj_node = self.client.get_objects_node()
-        self.sdp_node = self.obj_node.get_child(["{}:SDP".format(self.name_space_index)])
+        # TODO
+        # The server does not implement the correct namespace yet.
+        # Instead it is directly using the Objects node.
+        #self.lofar_device_node = self.obj_node.get_child(["{}:SDP".format(self.name_space_index)])
+        self.lofar_device_node = self.obj_node
 
         self.debug_stream("Mapping OPC-UA MP/CP to attributes...")