/// <summary>
/// CRC16校验
/// </summary>
/// <param name="hexByte">待校验数据</param>
public static string CRC16(string hexByte)
{
byte[] data = ByteStrUtil.HexToByte(hexByte);
int len = data.Length;
byte[] result = new byte[] { 0, 0 };
if (len > 0)
{
ushort crc = 0xFFFF;
for (int i = 0; i < len; i++)
{
crc = (ushort)(crc ^ (data[i]));
for (int j = 0; j < 8; j++)
{
crc = (crc & 1) != 0 ? (ushort)((crc >> 1) ^ 0xA001) : (ushort)(crc >> 1);
}
}
byte hi = (byte)((crc & 0xFF00) >> 8); //高位置
byte lo = (byte)(crc & 0x00FF); //低位置
result = new byte[] { lo, hi };
}
return(ByteStrUtil.ByteToHex(result));
}
/// <summary>
/// 设置上传向量表信息
/// </summary>
/// <param name="fileName">向量文件路径</param>
public void SetVectorInfo(string lpInfo, string gas, string range, string fileName)
{
try
{
ushort startAddr = 0;
ushort offset = 0;
int coeffiNum = 0;
int pixel = 512;
List <byte> data = new List <byte>();
FileInfo file = new FileInfo(fileName);
TextReader textReader = file.OpenText();
string[] text = textReader.ReadToEnd().Split('\n');
for (int i = 0; i < text.Length; i++)
{
text[i] = text[i].Replace("\n", "").Replace("\t", "").Replace("\r", "").Replace(" ", "");
}
//设备号
data = AddByte(data, Encoding.Default.GetBytes(text[0]));
//14项基本数据
for (int i = 0; i < 13; i++)
{
if (i == 3 || i == 4)
{
//温度|| 压力 4字节
byte[] bytes = BitConverter.GetBytes(Convert.ToSingle(text[i + 1]));
Array.Reverse(bytes);
data = AddByte(data, bytes);
}
else if (i == 6 || i == 11)
{
//光程||压缩后的向量数据个数 2字节
byte[] bytes = BitConverter.GetBytes(Convert.ToUInt16(text[i + 1]));
Array.Reverse(bytes);
data = AddByte(data, bytes);
//另取得偏移量
if (i == 11)
{
offset = (ushort)(Convert.ToInt32(text[i + 1]) - 1);
}
}
else
{
//1字节
data.Add(byte.Parse(text[i + 1]));
//另取得像素个数
if (i == 2)
{
switch (Convert.ToInt32(text[i + 1]))
{
case 0:
pixel = 256;
break;
case 2:
pixel = 1024;
break;
case 3:
pixel = 2048;
break;
}
}
//另取得系数个数
else if (i == 12)
{
coeffiNum = Convert.ToInt32(text[i + 1]);
}
}
}
//起始地址
string[] vectorData = new string[pixel];
Array.Copy(text, 14, vectorData, 0, vectorData.Length);
foreach (string s in vectorData)
{
try
{
Convert.ToInt32(s);
}
catch
{
break;
}
startAddr++;
}
byte[] reStartAddr = BitConverter.GetBytes(startAddr);
Array.Reverse(reStartAddr);
data = AddByte(data, reStartAddr);
//偏移量
byte[] reOffset = BitConverter.GetBytes(offset);
Array.Reverse(reOffset);
data = AddByte(data, reOffset);
//压缩后的数据
for (int i = 0; i < offset; i++)
{
byte[] reVD = BitConverter.GetBytes(Convert.ToSingle(vectorData[startAddr + i]));
Array.Reverse(reVD);
data = AddByte(data, reVD);
}
//系数
string[] coefficient = new string[coeffiNum];
Array.Copy(text, 526, coefficient, 0, coeffiNum);
foreach (string coe in coefficient)
{
byte[] reCoe = BitConverter.GetBytes(Convert.ToSingle(coe));
Array.Reverse(reCoe);
data = AddByte(data, reCoe);
}
string datas = ByteStrUtil.ByteToHex(data.ToArray());
int pkgNum = (int)Math.Ceiling((double)datas.Length / 512);
int startIndex = 0, length = 512;
for (int currPkgNum = 1; currPkgNum <= pkgNum; currPkgNum++)
{
if (currPkgNum < pkgNum)
{
SuperSerialPort.Instance.Send(new Command
{
Cmn = "2C",
ExpandCmn = "66",
Data = lpInfo + gas + range + currPkgNum.ToString("x2") + pkgNum.ToString("x2") + datas.Substring(startIndex, length)
}, true);
startIndex = length * currPkgNum;
Thread.Sleep(DefaultArgument.INTERVAL_TIME);
}
else
{
SuperSerialPort.Instance.Send(new Command
{
Cmn = "2C",
ExpandCmn = "66",
Data = lpInfo + gas + range + currPkgNum.ToString("x2") + pkgNum.ToString("x2") + datas.Substring(startIndex)
}, true);
}
}
}
catch (Exception ex)
{
ExceptionUtil.Instance.ExceptionMethod(ex.Message, true);
}
}