public static byte[] GetBytes(float value, FloatSwap IsSwap)
{
var t = BitConverter.GetBytes(value);
byte temp;
switch (IsSwap)
{
case FloatSwap.CNormal:
temp = t[0]; //1,2交换
t[0] = t[1];
t[1] = temp;
temp = t[2]; //3,4交换
t[2] = t[3];
t[3] = temp;
break;
case FloatSwap.CSwap:
Array.Reverse(t);
break;
}
return(t);
}
public static ItemsBase[] BuildList(FloatSwap swap, string[] strName)
{
if (strName == null || strName.Length <= 0)
{
return(null);
}
var lst = new List <ItemsBase>(strName.Length);
for (int i = 0; i < strName.Length; i++)
{
lst.Add(new FloatItem(strName[i], swap));
}
return(lst.ToArray());
}
public static float ToFloat(byte[] data, int start, FloatSwap isSwap)
{
if (start < 0)
{
return(0);
}
if (data.Length - start < 4)
{
return(0);
}
byte[] temp = new byte[4];
switch (isSwap)
{
case FloatSwap.CNormal:
temp[0] = data[start + 1];
temp[1] = data[start + 0];
temp[2] = data[start + 3];
temp[3] = data[start + 2];
break;
case FloatSwap.C3210:
//for (int i = 0; i < 4; i++)
//{
// temp[i] = data[start + i];
//}
temp[0] = data[start + 3];
temp[1] = data[start + 2];
temp[2] = data[start + 1];
temp[3] = data[start + 0];
break;
case FloatSwap.CSwap:
//temp[0] = data[start + 3];
//temp[1] = data[start + 2];
//temp[2] = data[start + 1];
//temp[3] = data[start + 0];
for (int i = 0; i < 4; i++)
{
temp[i] = data[start + i];
}
Array.Reverse(temp);
break;
}
//if(isSwap)
//{
//}
//else
//{
// for(int i=0;i<4;i++)
// {
// temp[i]=data[start + i];
// }
//}
try
{
return(BitConverter.ToSingle(temp,
0));
}
catch (Exception)
{
return(0);
}
}
public FloatItem(string text, FloatSwap swap)
: base(text)
{
SwapType = swap;
}
