- Reworked the connection object and the IO system

- Reworked the support for TRICS
- Added a second generation motor

sicvar.c

@@ -345,8 +345,7 @@
      }
   }  
 /*--------------------------------------------------------------------*/
-  static int VarInterestCallback(int iEvent, void *pEvent, void *pUser,
-				 commandContext cc)
+  static int VarInterestCallback(int iEvent, void *pEvent, void *pUser)
   {
      SConnection *pCon;
      char pBueffel[512];
@@ -360,7 +359,13 @@
   
      pVar = (pSicsVariable)pEvent;
      pCon = (SConnection *)pUser;
-     SCPushContext2(pCon,cc);
+
+     /* check kill conditions */
+     if(pCon == NULL || !SCisConnected(pCon))
+     {
+       return -1;
+     }
+
      switch(pVar->eType)
      {
           case veInt:
@@ -386,7 +391,6 @@
                       status = 1;
                       break;
      }
-     SCPopContext(pCon);
      return status;
   }  
 /*----------------------------------------------------------------------*/
@@ -536,17 +540,16 @@ static int VarSetFromText(pSicsVariable self, SConnection *pCon, char *text)
      }
      else if(strcmp(pCurrent->text,"interest") == 0) /* interest */
      {
-        lID = RegisterCallback(pVar->pCall, SCGetContext(pCon),
+       lID = RegisterCallback(pVar->pCall,
 			       VALUECHANGE, VarInterestCallback,
-                               pCon, NULL);
-        SCRegister(pCon,pInterp, pVar->pCall,lID);
+                               SCCopyConnection(pCon), SCDeleteConnection);
         DeleteTokenList(pList);
         SCSendOK(pCon);
         return 1;                       
      }
      else if(strcmp(pCurrent->text,"uninterest") == 0)
      {
-       RemoveCallback2(pVar->pCall,pCon);
+       RemoveCallbackCon(pVar->pCall,pCon);
        DeleteTokenList(pList);
        SCSendOK(pCon);
        return 1;