/*
?*?Copyright???2010-2014?Stéphane?Raimbault?
?*
?*?SPDX-License-Identifier:?LGPL-2.1-or-later
?*/

#include?

#ifndef?_MSC_VER
#??include?
#else
#??include?“stdint.h“
#endif

#include?
#include?

#if?defined（_WIN32）
#??include?
#else
#??include?
#endif

#include?

#include?“modbus.h“
#pragma?comment?（lib“ws2_32.lib“）

#if?defined（HAVE_BYTESWAP_H）
#??include?
#endif

#if?defined（__APPLE__）
#??include?
#??define?bswap_16?OSSwapInt16
#??define?bswap_32?OSSwapInt32
#??define?bswap_64?OSSwapInt64
#endif

#if?defined（__GNUC__）
#??define?GCC_VERSION?（__GNUC__?*?100?+?__GNUC_MINOR__?*?10）
#??if?GCC_VERSION?>=?430
//?Since?GCC?>=?4.30?GCC?provides?__builtin_bswapXX（）?alternatives?so?we?switch?to?them
#????undef?bswap_32
#????define?bswap_32?__builtin_bswap32
#??endif
#??if?GCC_VERSION?>=?480
#????undef?bswap_16
#????define?bswap_16?__builtin_bswap16
#??endif
#endif

#if?defined（_MSC_VER）?&&?（_MSC_VER?>=?1400）
#??define?bswap_32?_byteswap_ulong
#??define?bswap_16?_byteswap_ushort
#endif

#if?!defined（bswap_16）
#??warning?“Fallback?on?C?functions?for?bswap_16“
static?inline?uint16_t?bswap_16（uint16_t?x）
{
????return?（x?>>?8）?|?（x?<}
#endif

#if?!defined（bswap_32）
#??warning?“Fallback?on?C?functions?for?bswap_32“
static?inline?uint32_t?bswap_32（uint32_t?x）
{
????return?（bswap_16（x?&?0xffff）?<>?16））;
}
#endif

/*?Sets?many?bits?from?a?single?byte?value?（all?8?bits?of?the?byte?value?are
???set）?*/
void?modbus_set_bits_from_byte（uint8_t?*dest?int?idx?const?uint8_t?value）
{
????int?i;

????for?（i=0;?i?????????dest[idx+i]?=?（value?&?（1?<????}
}

/*?Sets?many?bits?from?a?table?of?bytes?（only?the?bits?between?idx?and
???idx?+?nb_bits?are?set）?*/
void?modbus_set_bits_from_bytes（uint8_t?*dest?int?idx?unsigned?int?nb_bits
????????????????????????????????const?uint8_t?*tab_byte）
{
????unsigned?int?i;
????int?shift?=?0;

????for?（i?=?idx;?i?????????dest[i]?=?tab_byte[（i?-?idx）?/?8]?&?（1?<????????/*?gcc?doesn‘t?like:?shift?=?（++shift）?%?8;?*/
????????shift++;
????????shift?%=?8;
????}
}

/*?Gets?the?byte?value?from?many?bits.
???To?obtain?a?full?byte?set?nb_bits?to?8.?*/
uint8_t?modbus_get_byte_from_bits（const?uint8_t?*src?int?idx
??????????????????????????????????unsigned?int?nb_bits）
{
????unsigned?int?i;
????uint8_t?value?=?0;

????if?（nb_bits?>?8）?{
????????/*?Assert?is?ignored?if?NDEBUG?is?set?*/
????????assert（nb_bits?????????nb_bits?=?8;
????}

????for?（i=0;?i?????????value?|=?（src[idx+i]?<????}

????return?value;
}

/*?Get?a?float?from?4?bytes?（Modbus）?without?any?conversion?（ABCD）?*/
float?modbus_get_float_abcd（const?uint16_t?*src）
{
????float?f;
????uint32_t?i;

????i?=?ntohl（（（uint32_t）src[0]?<????memcpy（&f?&i?sizeof（float））;

????return?f;
}

/*?Get?a?float?from?4?by

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????4959??2020-05-04?20:58??Modbus\config.h

?????文件??????93696??2020-05-07?22:25??Modbus\debug\Modbus.dll

?????文件??????16080??2020-05-06?21:55??Modbus\debug\Modbus.lib

?????文件???????5345??2020-05-06?21:36??Modbus\modbus-data.c

?????文件???????3444??2020-05-07?22:02??Modbus\modbus-private.h

?????文件???????1635??2019-08-02?23:25??Modbus\modbus-rtu-private.h

?????文件??????36887??2020-05-07?22:14??Modbus\modbus-rtu.c

?????文件???????1207??2019-08-02?23:25??Modbus\modbus-rtu.h

?????文件???????1278??2020-05-07?22:03??Modbus\modbus-tcp-private.h

?????文件??????22881??2020-05-07?22:22??Modbus\modbus-tcp.c

?????文件???????1402??2020-05-07?22:22??Modbus\modbus-tcp.h

?????文件???????2177??2020-05-04?20:58??Modbus\modbus-version.h

?????文件??????58241??2020-05-07?22:05??Modbus\modbus.c

?????文件??????11230??2020-05-07?22:05??Modbus\modbus.h

?????文件???????1322??2020-05-06?21:54??Modbus\Modbus.pro

?????文件??????39936??2020-05-07?22:25??Modbus\release\Modbus.dll

?????文件??????16080??2020-05-06?21:55??Modbus\release\Modbus.lib

?????目錄??????????0??2020-05-07?22:25??Modbus\debug

?????目錄??????????0??2020-05-07?22:26??Modbus\release

?????目錄??????????0??2020-05-07?22:25??Modbus

-----------?---------??----------?-----??----

???????????????317800????????????????????20