Added some README and few modifications in editor

BlockEditor/README.md

@@ -0,0 +1,16 @@
+# BlockEditor
+
+This folder contains some utilities related to pysimCoder,
+
+  * defBlocs.py is an application thar can be used to create new blocks for the editor
+  * xblk2Blk.py transforms the new block into an element of the class "Block", included the skeleton of the C code for the "devices" folder
+
+The folder contains also some utilities that allow to connect the generated code to external plot applications
+
+  * RTScope.py which uses plots from PyQT qwt
+  * qtRTScope.py which interfaces the generated code to pyqtgraph
+  * PlotJugglerInterface.py which sends the data to PlotJuggler (**to be open as external application!**)
+
+PlotJuggler can be simly installed using "snap".
+
+The plot applications allow to save and reload custom configurations (saved as json files).

DriverNRT/README → DriverNRT/README.md

@@ -1,3 +1,5 @@
+# Driver nrt.ko
+
 The driver nrt.ko allows the normal user to lauch some
 speciali commands for changing scheduling policy and priority and
 other operations usually only permitted to superusers.
@@ -11,7 +13,7 @@ insmod /lib/modules/`uname -r`/misc/nrt.ko
 In programs simply put this lines or similar in your source before using
 the threads
 
-....
+```
   uid = geteuid();
   if (uid!=0){
     fd=open("/dev/nrt",O_RDWR);
@@ -21,6 +23,6 @@ the threads
     }
     close(fd);
   }
-....
+```
 
 to set the new permissions.

toolbox/supsisim/supsisim/editor.py

@@ -276,10 +276,13 @@ def connectOutPort(self, item):
         self.conn = None
 
     def deleteConn(self):
-        self.scene.DgmToUndo()
-        self.scene.item.remove()
-        self.removeNodes()
-        self.redrawNodes()
+        try:
+            self.scene.DgmToUndo()
+            self.scene.item.remove()
+            self.removeNodes()
+            self.redrawNodes()
+        except:
+            print('Error by deleteConn...')
 
     def addConn(self):
         self.scene.DgmToUndo()
@@ -461,6 +464,9 @@ def deleteSelected(self):
                 dgmSubsystems.append(item)
             elif isinstance(item, Block):
                 dgmBlocks.append(item)
+            elif isinstance(item, Connection):
+                self.scene.item = item
+                self.deleteConn()
             else:
                 pass
         for item in dgmBlocks: