1 /*

     2  * Copyright (c) 2002,2016 Mario de Sousa (msousa@fe.up.pt)

     3  *

     4  * This file is part of the Modbus library for Beremiz and matiec.

     5  *

     6  * This Modbus library is free software: you can redistribute it and/or modify

     7  * it under the terms of the GNU Lesser General Public License as published by

     8  * the Free Software Foundation, either version 3 of the License, or

     9  * (at your option) any later version.

    10  *

    11  * This program is distributed in the hope that it will be useful, but

    12  * WITHOUT ANY WARRANTY; without even the implied warranty of

    13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser 

    14  * General Public License for more details.

    15  *

    16  * You should have received a copy of the GNU Lesser General Public License

    17  * along with this Modbus library.  If not, see <http://www.gnu.org/licenses/>.

    18  *

    19  * This code is made available on the understanding that it will not be

    20  * used in safety-critical situations without a full and competent review.

    21  */

    22 

    23 

    24 

    25 #ifndef __MB_TYPES_H

    26 #define __MB_TYPES_H

    27 

    28 #ifndef __PLC_TYPES_H

    29  /* if we have already included the MatPLC's type definitions, we don't need to delare the types ourselves... */

    30 

    31 

    32 /* Tell the stdint.h file we want the limits of the data types defined. */

    33 /* If being compiled by a C++ compiler, this is required!               */

    34 /* If being compiled by a C   compiler, this is ignored!                */

    35 #define __STDC_LIMIT_MACROS

    36 #include <stdint.h>

    37 

    38 

    39 

    40 /* We use the _leastX_t versions of the data types as these are guaranteed

    41  * to be the exact size we want.

    42  * The int8_t, etc..., may have been defined to be the same as the 

    43  * _fastX_t version, which may take up more space than what is really wanted

    44  * in order as to speed up memory access.

    45  */

    46 typedef uint_least64_t      u64; /* 64-bit unsigned integer */

    47 typedef  int_least64_t      i64; /* 64-bit signed integer   */

    48 

    49 typedef uint_least32_t      u32; /* 32-bit unsigned integer */

    50 typedef  int_least32_t      i32; /* 32-bit signed integer   */

    51 

    52 typedef uint_least16_t      u16; /* 16-bit unsigned integer */

    53 typedef  int_least16_t      i16; /* 16-bit signed integer   */

    54 

    55 typedef uint_least8_t       u8;  /*  8-bit unsigned integer */

    56 typedef  int_least8_t       i8;  /*  8-bit signed integer   */

    57 

    58 

    59 

    60 

    61 #define u64_MAX UINT_LEAST64_MAX

    62 #define u64_MIN UINT_LEAST64_MIN

    63 #define i64_MAX  INT_LEAST64_MAX

    64 #define i64_MIN  INT_LEAST64_MIN

    65 

    66 #define u32_MAX UINT_LEAST32_MAX

    67 #define u32_MIN UINT_LEAST32_MIN

    68 #define i32_MAX  INT_LEAST32_MAX

    69 #define i32_MIN  INT_LEAST32_MIN

    70 

    71 #define u16_MAX UINT_LEAST16_MAX

    72 #define u16_MIN UINT_LEAST16_MIN

    73 #define i16_MAX  INT_LEAST16_MAX

    74 #define i16_MIN  INT_LEAST16_MIN

    75 

    76 #define u8_MAX UINT_LEAST8_MAX

    77 #define u8_MIN UINT_LEAST8_MIN

    78 #define i8_MAX  INT_LEAST8_MAX

    79 #define i8_MIN  INT_LEAST8_MIN

    80 

    81 

    82 #endif /* __PLC_TYPES_H */

    83 

    84 #endif /* __MB_TYPES_H */

    85