--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mb_layer1.h	Sun Mar 05 00:05:46 2017 +0000
@@ -0,0 +1,155 @@
+/*
+ * Copyright (c) 2001,2016 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.
+ */
+
+
+
+#ifndef MODBUS_LAYER1_H
+#define MODBUS_LAYER1_H
+
+#include <time.h> /* struct timespec data type */
+
+#include "mb_types.h" /* get the data types */
+#include "mb_addr.h"  /* get definitions of common variable types */
+
+
+/* Define max registers and bits  */
+#define MAX_READ_BITS           2000    /* Functions 0x01 and 0x02 */
+#define MAX_READ_REGS           125     /* Functions 0x03 and 0x04 */
+#define MAX_WRITE_COILS         1968    /* Function 0x0F */
+#define MAX_WRITE_REGS          123     /* Function 0x10 */
+
+
+/* Declare TCP layer1 functions */
+#define modbus_write             modbus_tcp_write           
+#define modbus_read              modbus_tcp_read            
+#define modbus_init              modbus_tcp_init            
+#define modbus_done              modbus_tcp_done            
+#define modbus_connect           modbus_tcp_connect         
+#define modbus_listen            modbus_tcp_listen          
+#define modbus_close             modbus_tcp_close           
+#define modbus_silence_init      modbus_tcp_silence_init    
+#define modbus_get_min_timeout   modbus_tcp_get_min_timeout 
+
+#include "mb_layer1_prototypes.h"
+
+#undef modbus_write          
+#undef modbus_read           
+#undef modbus_init           
+#undef modbus_done           
+#undef modbus_connect        
+#undef modbus_listen         
+#undef modbus_close          
+#undef modbus_silence_init   
+#undef modbus_get_min_timeout
+
+
+
+
+
+/* Declare RTU layer1 functions */
+#define modbus_write             modbus_rtu_write           
+#define modbus_read              modbus_rtu_read            
+#define modbus_init              modbus_rtu_init            
+#define modbus_done              modbus_rtu_done            
+#define modbus_connect           modbus_rtu_connect         
+#define modbus_listen            modbus_rtu_listen          
+#define modbus_close             modbus_rtu_close           
+#define modbus_silence_init      modbus_rtu_silence_init    
+#define modbus_get_min_timeout   modbus_rtu_get_min_timeout 
+
+#include "mb_layer1_prototypes.h"
+
+#undef modbus_write          
+#undef modbus_read           
+#undef modbus_init           
+#undef modbus_done           
+#undef modbus_connect        
+#undef modbus_listen         
+#undef modbus_close          
+#undef modbus_silence_init   
+#undef modbus_get_min_timeout
+
+
+
+
+
+/* Declare ASCII layer1 functions */
+#define modbus_write             modbus_ascii_write           
+#define modbus_read              modbus_ascii_read            
+#define modbus_init              modbus_ascii_init            
+#define modbus_done              modbus_ascii_done            
+#define modbus_connect           modbus_ascii_connect         
+#define modbus_listen            modbus_ascii_listen          
+#define modbus_close             modbus_ascii_close           
+#define modbus_silence_init      modbus_ascii_silence_init    
+#define modbus_get_min_timeout   modbus_ascii_get_min_timeout 
+
+#include "mb_layer1_prototypes.h"
+
+#undef modbus_write          
+#undef modbus_read           
+#undef modbus_init           
+#undef modbus_done           
+#undef modbus_connect        
+#undef modbus_listen         
+#undef modbus_close          
+#undef modbus_silence_init   
+#undef modbus_get_min_timeout
+
+
+
+
+#define modbus_write             (*modbus_write          ) 
+#define modbus_read              (*modbus_read           ) 
+#define modbus_init              (*modbus_init           ) 
+#define modbus_done              (*modbus_done           ) 
+#define modbus_connect           (*modbus_connect        ) 
+#define modbus_listen            (*modbus_listen         ) 
+#define modbus_close             (*modbus_close          ) 
+#define modbus_silence_init      (*modbus_silence_init   ) 
+#define modbus_get_min_timeout   (*modbus_get_min_timeout) 
+
+typedef struct {
+  #include "mb_layer1_prototypes.h"
+} layer1_funct_ptr_t;
+
+#undef modbus_write          
+#undef modbus_read           
+#undef modbus_init           
+#undef modbus_done           
+#undef modbus_connect        
+#undef modbus_listen         
+#undef modbus_close          
+#undef modbus_silence_init   
+#undef modbus_get_min_timeout
+
+
+
+extern layer1_funct_ptr_t fptr_[4];
+
+
+
+
+
+#endif  /* MODBUS_LAYER1_H */
+
+