--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mb_slave_and_master.c	Sun Mar 05 00:05:46 2017 +0000
@@ -0,0 +1,161 @@
+/*
+ * Copyright (c) 2002,2016 Mario de Sousa (msousa@fe.up.pt)
+ *
+ * This file is part of the Modbus library for Beremiz and matiec.
+ *
+ * This Modbus library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser 
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this Modbus library.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * This code is made available on the understanding that it will not be
+ * used in safety-critical situations without a full and competent review.
+ */
+
+
+
+#include <fcntl.h>	/* File control definitions */
+#include <stdio.h>	/* Standard input/output */
+#include <string.h>
+#include <stdlib.h>
+#include <termio.h>	/* POSIX terminal control definitions */
+#include <sys/time.h>	/* Time structures for select() */
+#include <unistd.h>	/* POSIX Symbolic Constants */
+#include <errno.h>	/* Error definitions */
+
+#include "mb_layer1.h"
+#include "mb_slave_private.h"
+#include "mb_master_private.h"
+#include "mb_slave.h"
+#include "mb_master.h"
+
+//#define DEBUG 		/* uncomment to see the data sent and received */
+
+
+#ifndef TRUE
+#define TRUE  1
+#endif
+
+#ifndef FALSE
+#define FALSE 0
+#endif
+
+
+
+
+layer1_funct_ptr_t fptr_[4] = {
+  { /* WARNING: TCP functions MUST be the first, as we have this hardcoded in the code! */
+    /*          more specifically, in the get_ttyfd() macro in mb_slave.c               */ 
+    /*                             in the mb_slave_new() function in mb_slave.c         */
+    /*                             in the mb_master_connect() function in mb_master.c   */    
+    &modbus_tcp_write          
+   ,&modbus_tcp_read           
+   ,&modbus_tcp_init           
+   ,&modbus_tcp_done           
+   ,&modbus_tcp_connect        
+   ,&modbus_tcp_listen         
+   ,&modbus_tcp_close          
+   ,&modbus_tcp_silence_init   
+   ,&modbus_tcp_get_min_timeout
+  },{
+    &modbus_rtu_write           
+   ,&modbus_rtu_read            
+   ,&modbus_rtu_init            
+   ,&modbus_rtu_done            
+   ,&modbus_rtu_connect         
+   ,&modbus_rtu_listen          
+   ,&modbus_rtu_close           
+   ,&modbus_rtu_silence_init    
+   ,&modbus_rtu_get_min_timeout 
+  },{
+    &modbus_ascii_write          
+   ,&modbus_ascii_read           
+   ,&modbus_ascii_init           
+   ,&modbus_ascii_done           
+   ,&modbus_ascii_connect        
+   ,&modbus_ascii_listen         
+   ,&modbus_ascii_close          
+   ,&modbus_ascii_silence_init   
+   ,&modbus_ascii_get_min_timeout
+  },{
+    NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL
+  }
+};
+
+
+
+
+
+
+/************************************************************************
+
+	initialise / shutdown the library
+
+	These functions sets up/shut down the library state
+        (allocate memory for buffers, initialise data strcutures, etc)
+
+**************************************************************************/
+#define max(a,b) (((a)>(b))?(a):(b))
+
+int mb_slave_and_master_init(int nd_count_tcp, int nd_count_rtu, int nd_count_ascii) {
+        int extra_bytes, extra_bytes_tcp, extra_bytes_rtu, extra_bytes_ascii;
+
+#ifdef DEBUG
+	fprintf( stderr, "mb_slave_and_master_init()\n");
+	fprintf( stderr, "creating %d nodes\n", nd_count);
+#endif
+
+            /* initialise layer 1 library */
+	if (modbus_tcp_init  (nd_count_tcp,   DEF_OPTIMIZATION, &extra_bytes_tcp  ) < 0)
+		goto error_exit_0;
+	if (modbus_rtu_init  (nd_count_rtu,   DEF_OPTIMIZATION, &extra_bytes_rtu  ) < 0)
+		goto error_exit_1;
+	if (modbus_ascii_init(nd_count_ascii, DEF_OPTIMIZATION, &extra_bytes_ascii) < 0)
+		goto error_exit_2;
+	extra_bytes= max(extra_bytes_tcp, extra_bytes_rtu);
+	extra_bytes= max(extra_bytes    , extra_bytes_ascii);
+
+            /* initialise master and slave libraries... */
+	if (mb_slave_init__(extra_bytes) < 0)
+		goto error_exit_3;
+	if (mb_master_init__(extra_bytes) < 0)
+		goto error_exit_4;
+	return 0;
+
+/*
+error_exit_3:
+	modbus_master_done();
+*/
+error_exit_4:
+	mb_slave_done__();
+error_exit_3:
+	modbus_ascii_done();
+error_exit_2:
+	modbus_rtu_done();
+error_exit_1:
+	modbus_tcp_done();
+error_exit_0:
+	return -1;
+}
+
+
+
+
+int mb_slave_and_master_done(void) {
+	int res = 0;
+	res |= mb_slave_done__  ();
+	res |= mb_master_done__ ();
+	res |= modbus_ascii_done();
+	res |= modbus_rtu_done  ();
+	res |= modbus_tcp_done  ();
+	return res;
+}
+