Negative responce handling

pyren/mod_ecu.py

@@ -444,7 +444,7 @@ class ECU:
           datastr = dr.name + " [Command] " + self.Commands[dr.name].label
         if dr.type=="Text":
           datastr = dr.name
-          
+          help = ""
         if mod_globals.opt_csv and csvf!=0 and (dr.type=='State' or dr.type=='Parameter'):
           csvline += ";" + (pyren_encode(csvd) if mod_globals.opt_csv_human else str(csvd))
 

pyren/mod_ecu_mnemonic.py

@@ -111,7 +111,7 @@ def get_SnapShotMnemonic(m, se, elm, dataids):
         snapshotService = se[sid]
   
   resp = executeService( snapshotService, elm, [], "", True )
-  if mod_globals.opt_demo and not resp:
+  if mod_globals.opt_demo and not resp or not resp.startswith(snapshotService.simpleRsp):
     return "00"
   resp = resp.strip().replace(' ','')
   if not all(c in string.hexdigits for c in resp): resp = ''