diff --git a/tecsdriv.c b/tecsdriv.c
index 42024e95..a15d71a5 100644
--- a/tecsdriv.c
+++ b/tecsdriv.c
@@ -57,6 +57,7 @@
 #include "tecsdriv.h"
 #include "servlog.h"
 #include "sicsvar.h"
+#include "tecs/coc_util.h"
 #include "tecs/tecs_cli.h"
 #include "tecs/str_util.h"
 #include "tecs/err_handling.h"
@@ -85,7 +86,9 @@
     int iRet;
     pEVDriver pD;
     pTecsDriv pMe;
-    char *dev;
+    char *result;
+    double fNum;
+    float fVal;
     
     self = (pEVControl)pData;
     assert(self);
@@ -97,39 +100,37 @@
       return EVControlWrapper(pCon,pSics,pData,argc,argv);
     }
     
-    strtolower(argv[1]);
-    if (strcmp(argv[1],"device") == 0)
-    {
-       if(argc > 2) /* set case */
-       {
-         pD=self->pDriv; assert(pD);
-         pMe=pD->pPrivate; assert(pMe);
-         iRet=TeccSetDev(pMe->pData,argv[2]);
-         if (iRet<0) {
-           sprintf(pBueffel,"ERROR: %s",ErrMessage);
-           SCWrite(pCon,pBueffel,eError);
-           return 0;
-         }
-         return 1;
-       }
-       else /* get case */
-       {
-         pD=self->pDriv; assert(pD);
-         pMe=pD->pPrivate; assert(pMe);
-         dev=TeccGetDev(pMe->pData);
-         if (dev==NULL) {
-           sprintf(pBueffel,"ERROR: %s",ErrMessage);
-           SCWrite(pCon,pBueffel,eError);
-           return 0;
-         }
-         sprintf(pBueffel,"%s.%s = %s\n",self->pName,
-                  argv[1],dev);
-         SCWrite(pCon,pBueffel,eValue);
-         return 1;
-       }
-    }
-    else
-    {
+    strcpy(pBueffel, " ");
+    strcat(pBueffel, argv[1]);
+    strcat(pBueffel, " ");
+    strtolower(pBueffel);
+    if (   NULL==strstr(" log send list tolerance access errorhandler interrupt ", pBueffel)
+        && NULL==strstr(" upperlimit lowerlimit safevalue currentvalue targetvalue ", pBueffel)
+      ) {
+
+      pD=self->pDriv; assert(pD);
+      pMe=pD->pPrivate; assert(pMe);
+      if(argc > 2) { /* set case */
+        iRet=TeccSetPar(pMe->pData,argv[1],argv[2]);
+        if (iRet<0) {
+          sprintf(pBueffel,"ERROR: %s",ErrMessage);
+          SCWrite(pCon,pBueffel,eError);
+          return 0;
+        }
+        return 1;
+      } else { /* get case */
+        result=TeccGetPar(pMe->pData,argv[1]);
+        if (result==NULL) {
+          sprintf(pBueffel,"ERROR: %s",ErrMessage);
+          SCWrite(pCon,pBueffel,eError);
+          return 0;
+        }
+        sprintf(pBueffel,"%s.%s = %s\n",self->pName,
+                 argv[1],result);
+        SCWrite(pCon,pBueffel,eValue);
+        return 1;
+      }
+    } else {
       return EVControlWrapper(pCon,pSics,pData,argc,argv);
     }
     /* not reached */
@@ -148,20 +149,30 @@
      assert(pMe);   
 
      time(&now);
-     if (now>lastGet) {
+     if (now!=lastGet) { /* TecsGet was not yet called within this second */
        lastGet=now;
      } else {
-       SicsWait(1); /* avoid extensive network traffic */
+       CocDelay(500); /* wait 0.5 sec. (seems that SICS has nothing else to do then reading temperatures) */
+       printf("usleep %d\n", now);
      }
 
      /* get temperature */
      iRet = TeccGet(pMe->pData, fPos);
-     if(iRet < 0 )
-     {
+     if (iRet > 1) {
+       if (pMe->iLastError==2) {
+         iRet=TeccWait(pMe->pData);
+       } else {         
+         pMe->lastError = "configuring controller";
+         pMe->iLastError=2; /* fixable */
+         return 0;
+       }
+     }
+     if(iRet < 0) {
        pMe->lastError = ErrMessage;
        pMe->iLastError=1; /* severe */
        return 0;
      }
+     pMe->lastError=0;
      return 1;
   } 
 /*----------------------------------------------------------------------------*/