diff -r 000000000000 -r ae252e0fd9b8 mb_types.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mb_types.h	Sun Mar 05 00:05:46 2017 +0000
@@ -0,0 +1,85 @@
+/*
+ * 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.
+ */
+
+
+
+#ifndef __MB_TYPES_H
+#define __MB_TYPES_H
+
+#ifndef __PLC_TYPES_H
+ /* if we have already included the MatPLC's type definitions, we don't need to delare the types ourselves... */
+
+
+/* Tell the stdint.h file we want the limits of the data types defined. */
+/* If being compiled by a C++ compiler, this is required!               */
+/* If being compiled by a C   compiler, this is ignored!                */
+#define __STDC_LIMIT_MACROS
+#include <stdint.h>
+
+
+
+/* We use the _leastX_t versions of the data types as these are guaranteed
+ * to be the exact size we want.
+ * The int8_t, etc..., may have been defined to be the same as the 
+ * _fastX_t version, which may take up more space than what is really wanted
+ * in order as to speed up memory access.
+ */
+typedef uint_least64_t      u64; /* 64-bit unsigned integer */
+typedef  int_least64_t      i64; /* 64-bit signed integer   */
+
+typedef uint_least32_t      u32; /* 32-bit unsigned integer */
+typedef  int_least32_t      i32; /* 32-bit signed integer   */
+
+typedef uint_least16_t      u16; /* 16-bit unsigned integer */
+typedef  int_least16_t      i16; /* 16-bit signed integer   */
+
+typedef uint_least8_t       u8;  /*  8-bit unsigned integer */
+typedef  int_least8_t       i8;  /*  8-bit signed integer   */
+
+
+
+
+#define u64_MAX UINT_LEAST64_MAX
+#define u64_MIN UINT_LEAST64_MIN
+#define i64_MAX  INT_LEAST64_MAX
+#define i64_MIN  INT_LEAST64_MIN
+
+#define u32_MAX UINT_LEAST32_MAX
+#define u32_MIN UINT_LEAST32_MIN
+#define i32_MAX  INT_LEAST32_MAX
+#define i32_MIN  INT_LEAST32_MIN
+
+#define u16_MAX UINT_LEAST16_MAX
+#define u16_MIN UINT_LEAST16_MIN
+#define i16_MAX  INT_LEAST16_MAX
+#define i16_MIN  INT_LEAST16_MIN
+
+#define u8_MAX UINT_LEAST8_MAX
+#define u8_MIN UINT_LEAST8_MIN
+#define i8_MAX  INT_LEAST8_MAX
+#define i8_MIN  INT_LEAST8_MIN
+
+
+#endif /* __PLC_TYPES_H */
+
+#endif /* __MB_TYPES_H */
+