Board has only 2 Analon In.

coupler/mod_io_opc_ua.h

@@ -113,10 +113,12 @@ static void addVariable(UA_Server *server)
              sprintf(node_id, "i2c%d.in%d", i, n);
              sprintf(node_title, "I2C%d / Digital Input %d", i, n);
              addBooleanVariableReadNode(server, node_id, node_title);
-             // add analog in
-             sprintf(node_id, "i2c%d.ain%d", i, n);
-             sprintf(node_title, "I2C%d / Analog Input %d", i, n);
-             addUIntegerVariableReadNode(server, node_id, node_title);
+             // add analog in (board has only 2 thus do not all all)
+             if ( n < 2) {
+                 sprintf(node_id, "i2c%d.ain%d", i, n);
+                 sprintf(node_title, "I2C%d / Analog Input %d", i, n);
+                 addUIntegerVariableReadNode(server, node_id, node_title);
+             }
          }
     }
 }
@@ -517,7 +519,7 @@ static void addValueCallbackToCurrentTimeVariable(UA_Server *server)
     int device_number, offset_number;
     char *node_id = malloc(sizeof(char) * 10);
 
-    // list of relays, digital and analog callbacks for all devices (XXX: for now only 4 outof 127 possible!)
+    // list of relays, digital and analog callbacks for all devices (XXX: for now only 4 out of 127 possible!)
     static void (*callables[48])
                                  (UA_Server *server, const UA_NodeId *sessionId, void *sessionContext,
                                   const UA_NodeId *nodeId, void *nodeContext, const UA_NumericRange *range,
@@ -579,7 +581,7 @@ static void addValueCallbackToCurrentTimeVariable(UA_Server *server)
                                                                beforeReadTimeI2C3In1,
                                                                beforeReadTimeI2C3In2,
                                                                beforeReadTimeI2C3In3,
-                                                               // analog - IC1
+                                                               // analog - IC3
                                                                beforeReadTimeI2C3Ain0,
                                                                beforeReadTimeI2C3Ain1,
                                                                beforeReadTimeI2C3Ain2,