--- libaitpelco/inc/aitpelco.h	2010/03/11 13:39:28	1.1.1.1.2.1
+++ libaitpelco/inc/aitpelco.h	2010/03/12 15:30:46	1.1.1.1.2.3
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: aitpelco.h,v 1.1.1.1.2.1 2010/03/11 13:39:28 misho Exp $
+* $Id: aitpelco.h,v 1.1.1.1.2.3 2010/03/12 15:30:46 misho Exp $
 *
 *************************************************************************/
 #ifndef __AITPELCO_H
@@ -147,8 +147,25 @@ inline void *pelcoLoad(u_char *buffer);
  */
 inline u_char pelcoAddCmdData(void * __restrict p, u_char * __restrict cmd, u_char * __restrict data);
 
+/*
+ * pelcoGetCmdData() Get from packet commands and datas with verify packet
+ * @p = Input Packet structure
+ * @cmd[2] = Output Commands 1 & 2
+ * @data[2] = Output Data for commands 1 & 2
+ * return: 'd' - PelcoD, 'p' - PelcoP, 0 - unknown or bad packet
+ */
+inline u_char pelcoGetCmdData(void * __restrict p, u_char * __restrict cmd, u_char * __restrict data);
 
 /*
+ * pelcoChkSum() Check ot Correct check sum in packet
+ * @p = Input Packet structure
+ * @correct = Calculate new check sum if incorrect !=0, if ==0 only check
+ * return: 0xFF - bad packet, invalid check sum, 0 check sum is correct.
+ */
+inline u_char pelcoChkSum(void * __restrict p, u_char correct);
+
+
+/*
  * pelco_GetVersion() Return Pelco protocol version
  * @p = Packet structure
  * return: 'd' - PelcoD, 'p' - PelcoP, 0 - unknown or bad packet
@@ -173,7 +190,6 @@ inline u_char pelco_GetCamNo(void * __restrict p);
  */
 inline u_char pelco_GetCamCmdData(void * __restrict p, u_char * __restrict cam, 
 		u_char * __restrict cmd, u_char * __restrict data);
-
 
 /*
  * pelco_D_toCmd() Convert to Pelco D commands