- Added separate drivable motors for four circle H, K, L

- Added a listen mode to commandlog in order to support the batchEditor
- Some small fixes to exe* for BatchEditor

rs232controller.h

@@ -22,6 +22,8 @@
 #define TIMEOUT       -2702
 #define FAILEDCONNECT -2703
 #define INCOMPLETE    -2704
+#define BADREAD       -2705
+#define BADSEND       -2706
 
 /*----------------------- a data structure ----------------------------*/
 
@@ -63,6 +65,7 @@
                                              int errorBufferLen);
 
         int initRS232(prs232 self);
+        void closeRS232(prs232 self);
         prs232 createRS232(char *host, int iPort);
         void KillRS232(void *pData);