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c_endian.cpp
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#include "c_endian.h"
#include<QMessageBox>
C_endian::C_endian()
{
}
bool C_endian::is_big_endian()
{
return !is_little_endian();
}
void C_endian::bit16(enumByteOrderType boT, C_endian::def_bit16 data, quint8 &by0, quint8 &by1)
{
bool islocalBig = is_big_endian();
if(ORDER_BIG==boT)
{
if(islocalBig)
{
by0 = data.by_0;
by1 = data.by_1;
}else
{
by0 = data.by_1;
by1 = data.by_0;
}
}else
{
if(islocalBig)
{
by0 = data.by_1;
by1 = data.by_0;
}else
{
by0 = data.by_0;
by1 = data.by_1;
}
}
}
void C_endian::bit32(enumByteOrderType boT, C_endian::def_bit32 data, quint8 &by0, quint8 &by1, quint8 &by2, quint8 &by3)
{
bool islocalBig =is_big_endian();
if(ORDER_BIG==boT)
{
if(islocalBig)
{
by0 = data.by_0;
by1 = data.by_1;
by2 = data.by_2;
by3 = data.by_3;
}else
{
by0 = data.by_3;
by1 = data.by_2;
by2 = data.by_1;
by3 = data.by_0;
}
}else if(ORDER_BIG_SMALL==boT)
{
if(islocalBig)
{
by0 = data.by_1;
by1 = data.by_0;
by2 = data.by_3;
by3 = data.by_2;
}else
{
by0 = data.by_2;
by1 = data.by_3;
by2 = data.by_0;
by3 = data.by_1;
}
}else if(ORDER_SMALL==boT)
{
if(islocalBig)
{
by0 = data.by_3;
by1 = data.by_2;
by2 = data.by_1;
by3 = data.by_0;
}else
{
by0 = data.by_0;
by1 = data.by_1;
by2 = data.by_2;
by3 = data.by_3;
}
}else if(ORDER_SMALL_BIG==boT)
{
if(islocalBig)
{
by0 = data.by_2;
by1 = data.by_3;
by2 = data.by_0;
by3 = data.by_1;
}else
{
by0 = data.by_1;
by1 = data.by_0;
by2 = data.by_3;
by3 = data.by_2;
}
}
}
C_endian::def_bit16 C_endian::bit16(enumByteOrderType boT, quint8 by0, quint8 by1)
{
bool islocalBig =is_big_endian();
def_bit16 temp;
if(ORDER_BIG==boT)
{
if(islocalBig)
{
temp.by_0 = by0;
temp.by_1 = by1;
}else
{
temp.by_0 = by1;
temp.by_1 = by0;
}
}else
{
if(islocalBig)
{
temp.by_0 = by1;
temp.by_1 = by0;
}else
{
temp.by_0 = by0;
temp.by_1 = by1;
}
}
return temp;
}
C_endian::def_bit32 C_endian::bit32(enumByteOrderType boT, quint8 by0, quint8 by1, quint8 by2, quint8 by3)
{
bool islocalBig =is_big_endian();
def_bit32 temp;
if(ORDER_BIG==boT)
{
if(islocalBig)
{
temp.by_0 = by0;
temp.by_1 = by1;
temp.by_2 = by2;
temp.by_3 = by3;
}else
{
temp.by_0 = by3;
temp.by_1 = by2;
temp.by_2 = by1;
temp.by_3 = by0;
}
}else if(ORDER_BIG_SMALL==boT)
{
if(islocalBig)
{
temp.by_0 = by1;
temp.by_1 = by0;
temp.by_2 = by3;
temp.by_3 = by2;
}else
{
temp.by_0 = by2;
temp.by_1 = by3;
temp.by_2 = by0;
temp.by_3 = by1;
}
}
else if(ORDER_SMALL==boT)
{
if(islocalBig)
{
temp.by_0 = by3;
temp.by_1 = by2;
temp.by_2 = by1;
temp.by_3 = by0;
}else
{
temp.by_0 = by0;
temp.by_1 = by1;
temp.by_2 = by2;
temp.by_3 = by3;
}
}else if(ORDER_SMALL_BIG==boT)
{
if(islocalBig)
{
temp.by_0 = by2;
temp.by_1 = by3;
temp.by_2 = by0;
temp.by_3 = by1;
}else
{
temp.by_0 = by1;
temp.by_1 = by0;
temp.by_2 = by3;
temp.by_3 = by2;
}
}
return temp;
}
C_endian::def_bit64 C_endian::bit64(enumByteOrderType boT, quint8 by0, quint8 by1, quint8 by2, quint8 by3, quint8 by4, quint8 by5, quint8 by6, quint8 by7)
{
bool islocalBig =is_big_endian();
def_bit64 temp;
if(ORDER_BIG==boT)
{
if(islocalBig)
{
temp.by_0 = by0;
temp.by_1 = by1;
temp.by_2 = by2;
temp.by_3 = by3;
temp.by_4 = by4;
temp.by_5 = by5;
temp.by_6 = by6;
temp.by_7 = by7;
}else
{
temp.by_0 = by7;
temp.by_1 = by6;
temp.by_2 = by5;
temp.by_3 = by4;
temp.by_4 = by3;
temp.by_5 = by2;
temp.by_6 = by1;
temp.by_7 = by0;
}
}else if(ORDER_BIG_SMALL==boT)
{
if(islocalBig)
{
temp.by_0 = by1;
temp.by_1 = by0;
temp.by_2 = by3;
temp.by_3 = by2;
temp.by_4 = by5;
temp.by_5 = by4;
temp.by_6 = by7;
temp.by_7 = by6;
}else
{
temp.by_0 = by6;
temp.by_1 = by7;
temp.by_2 = by4;
temp.by_3 = by5;
temp.by_4 = by2;
temp.by_5 = by3;
temp.by_6 = by0;
temp.by_7 = by1;
}
}else if(ORDER_SMALL==boT)
{
if(islocalBig)
{
temp.by_0 = by7;
temp.by_1 = by6;
temp.by_2 = by5;
temp.by_3 = by4;
temp.by_4 = by3;
temp.by_5 = by2;
temp.by_6 = by1;
temp.by_7 = by0;
}else
{
temp.by_0 = by0;
temp.by_1 = by1;
temp.by_2 = by2;
temp.by_3 = by3;
temp.by_4 = by4;
temp.by_5 = by5;
temp.by_6 = by6;
temp.by_7 = by7;
}
}else if(ORDER_SMALL_BIG==boT)
{
if(islocalBig)
{
temp.by_0 = by6;
temp.by_1 = by7;
temp.by_2 = by4;
temp.by_3 = by5;
temp.by_4 = by2;
temp.by_5 = by3;
temp.by_6 = by0;
temp.by_7 = by1;
}else
{
temp.by_0 = by1;
temp.by_1 = by0;
temp.by_2 = by3;
temp.by_3 = by2;
temp.by_4 = by5;
temp.by_5 = by4;
temp.by_6 = by7;
temp.by_7 = by6;
}
}
return temp;
}
void C_endian::bit64(enumByteOrderType boT, C_endian::def_bit64 data, quint8 &by0, quint8 &by1, quint8 &by2, quint8 &by3, quint8 &by4, quint8 &by5, quint8 &by6, quint8 &by7)
{
bool islocalBig =is_big_endian();
if(ORDER_BIG==boT)
{
if(islocalBig)
{
by0 = data.by_0;
by1 = data.by_1;
by2 = data.by_2;
by3 = data.by_3;
by4 = data.by_4;
by5 = data.by_5;
by6 = data.by_6;
by7 = data.by_7;
}else
{
by0 = data.by_7;
by1 = data.by_6;
by2 = data.by_5;
by3 = data.by_4;
by4 = data.by_3;
by5 = data.by_2;
by6 = data.by_1;
by7 = data.by_0;
}
}else if(ORDER_BIG_SMALL==boT)
{
if(islocalBig)
{
by0 = data.by_1;
by1 = data.by_0;
by2 = data.by_3;
by3 = data.by_2;
by4 = data.by_5;
by5 = data.by_4;
by6 = data.by_7;
by7 = data.by_6;
}else
{
by0 = data.by_6;
by1 = data.by_7;
by2 = data.by_4;
by3 = data.by_5;
by4 = data.by_2;
by5 = data.by_3;
by6 = data.by_0;
by7 = data.by_1;
}
}else if(ORDER_SMALL==boT)
{
if(islocalBig)
{
by0 = data.by_7;
by1 = data.by_6;
by2 = data.by_5;
by3 = data.by_4;
by4 = data.by_3;
by5 = data.by_2;
by6 = data.by_1;
by7 = data.by_0;
}else
{
by0 = data.by_0;
by1 = data.by_1;
by2 = data.by_2;
by3 = data.by_3;
by4 = data.by_4;
by5 = data.by_5;
by6 = data.by_6;
by7 = data.by_7;
}
}else if(ORDER_SMALL_BIG==boT)
{
if(islocalBig)
{
by0 = data.by_6;
by1 = data.by_7;
by2 = data.by_4;
by3 = data.by_5;
by4 = data.by_2;
by5 = data.by_3;
by6 = data.by_0;
by7 = data.by_1;
}else
{
by0 = data.by_1;
by1 = data.by_0;
by2 = data.by_3;
by3 = data.by_2;
by4 = data.by_5;
by5 = data.by_4;
by6 = data.by_7;
by7 = data.by_6;
}
}
}
// 16比特数据字节序转换
void C_endian::int16(enumByteOrderType boT, qint16 data, quint8 &by0, quint8 &by1)
{
def_int16 temp;
temp.value = data;
C_endian::bit16(boT,temp.bytes,by0,by1);
}
void C_endian::uint16(enumByteOrderType boT, quint16 data, quint8 &by0, quint8 &by1)
{
def_int16 temp;
temp.value = data;
C_endian::bit16(boT,temp.bytes,by0,by1);
}
void C_endian::int32(enumByteOrderType boT, qint32 data, quint8 &by0, quint8 &by1, quint8 &by2, quint8 &by3)
{
def_int32 temp;
temp.value = data;
C_endian::bit32(boT,temp.bytes,by0,by1,by2,by3);
}
void C_endian::uint32(enumByteOrderType boT, quint32 data, quint8 &by0, quint8 &by1, quint8 &by2, quint8 &by3)
{
def_uint32 temp;
temp.value = data;
C_endian::bit32(boT,temp.bytes,by0,by1,by2,by3);
}
void C_endian::float32(enumByteOrderType boT, float data, quint8 &by0, quint8 &by1, quint8 &by2, quint8 &by3)
{
def_float temp;
temp.value = data;
C_endian::bit32(boT,temp.bytes,by0,by1,by2,by3);
}
void C_endian::float64(enumByteOrderType boT, double data, quint8 &by0, quint8 &by1, quint8 &by2, quint8 &by3, quint8 &by4, quint8 &by5, quint8 &by6, quint8 &by7)
{
def_double temp;
temp.value = data;
C_endian::bit64(boT,temp.bytes,by0,by1,by2,by3,by4,by5,by6,by7);
}
qint16 C_endian::int16(enumByteOrderType boT, quint8 by0, quint8 by1)
{
def_int16 temp;
temp.bytes = C_endian::bit16(boT,by0,by1);
return temp.value;
}
quint16 C_endian::uint16(enumByteOrderType boT, quint8 by0, quint8 by1)
{
def_uint16 temp;
temp.bytes = C_endian::bit16(boT,by0,by1);
return temp.value;
}
qint32 C_endian::int32(enumByteOrderType boT, quint8 by0, quint8 by1, quint8 by2, quint8 by3)
{
def_int32 temp;
temp.bytes = C_endian::bit32(boT,by0,by1,by2,by3);
return temp.value;
}
quint32 C_endian::uint32(enumByteOrderType boT, quint8 by0, quint8 by1, quint8 by2, quint8 by3)
{
def_uint32 temp;
temp.bytes = C_endian::bit32(boT,by0,by1,by2,by3);
return temp.value;
}
float C_endian::float32(enumByteOrderType boT, quint8 by0, quint8 by1, quint8 by2, quint8 by3)
{
def_float temp;
temp.bytes = C_endian::bit32(boT,by0,by1,by2,by3);
return temp.value;
}
double C_endian::float64(enumByteOrderType boT, quint8 by0, quint8 by1, quint8 by2, quint8 by3, quint8 by4, quint8 by5, quint8 by6, quint8 by7)
{
def_double temp;
temp.bytes = C_endian::bit64(boT,by0,by1,by2,by3,by4,by5,by6,by7);
return temp.value;
}
bool C_endian::is_little_endian()
{
uint32_t _endian_x_ = 1;
return (reinterpret_cast<const uint8_t*>(& _endian_x_))[0];
}