public void test()
{
var str = "0300 00 1D";
//var b = str.Split(" ").Select(t => Convert.ToByte(t, 16)).ToArray();
var aa = DataConvert.StringToByteArray(str);
var aa2 = DataConvert.StringToByteArray(str, false);
var bb = DataConvert.ByteArrayToString(aa);
var bb2 = BitConverter.GetBytes(258);
//"3A 30 31 30 31 30 31 30 31 46 43 0D 0A";
var c1 = string.Join(" ", LRC.GetLRC(DataConvert.StringToByteArray("3A 30 31 30 31 30 31 30 31")).Select(t => t.ToString("X2")));
var c2 = string.Join(" ", LRC.GetLRC(DataConvert.StringToByteArray("30 31 30 31 30 31 30 31")).Select(t => t.ToString("X2")));
var c3 = string.Join(" ", LRC.GetLRC(DataConvert.StringToByteArray("30 31 30 31 30 31")).Select(t => t.ToString("X2")));
var c4 = string.Join(" ", Encoding.ASCII.GetBytes("3031").Select(t => t.ToString("X2")));
List <string> sb = new List <string>();
foreach (var item in "3A 30 31 30 31 30 30 30 31 30 30 30 31 46 43".Split(" "))
{
sb.Add(((char)(Convert.ToByte(item, 16))).ToString());
}
string.Join(" ", sb);
var c7 = LRC.GetLRC(DataConvert.StringToByteArray("01 01 00 01 00 01"));
var c5 = DataConvert.AsciiStringToByteArray("30 31 30 31 30 30 30 31 30 30 30 31 46 43");
var c6 = DataConvert.AsciiStringToByteArray("30 31 30 31 30 30 30 31 30 30 30 31 46 43", true);
}
private void btnCalc_Click(object sender, EventArgs e)
{
txtResult.Clear();
if (cmboxCheckPattern.SelectedItem != null && !string.IsNullOrEmpty(rtxtInput.Text))
{
string result = string.Empty;
var input = rtxtInput.Text;
var selectedPattern = (CheckPattern)Enum.Parse(typeof(CheckPattern), cmboxCheckPattern.SelectedItem.ToString());
switch (selectedPattern)
{
case CheckPattern.CRC:
{
result = CRC.ToModbusCRC16(input);
}
break;
case CheckPattern.LRC:
{
result = LRC.ToModBus(input);
}
break;
default:
break;
}
txtResult.Text = result;
}
}
/// <summary>
/// 写入
/// </summary>
/// <param name="address"></param>
/// <param name="values"></param>
/// <param name="stationNumber"></param>
/// <param name="functionCode"></param>
/// <returns></returns>
public override Result Write(string address, byte[] values, byte stationNumber = 1, byte functionCode = 16)
{
if (isAutoOpen)
{
Connect();
}
var result = new Result();
try
{
values = values.ByteFormatting(format);
var command = GetWriteCommand(address, values, stationNumber, functionCode);
var commandAscii = DataConvert.ByteArrayToAsciiArray(LRC.GetLRC(command));
var finalCommand = new byte[commandAscii.Length + 3];
Buffer.BlockCopy(commandAscii, 0, finalCommand, 1, commandAscii.Length);
finalCommand[0] = 0x3A;
finalCommand[finalCommand.Length - 2] = 0x0D;
finalCommand[finalCommand.Length - 1] = 0x0A;
result.Requst = string.Join(" ", finalCommand.Select(t => t.ToString("X2")));
var responsePackage = SendPackage(finalCommand);
if (!responsePackage.Any())
{
result.IsSucceed = false;
result.Err = "响应结果为空";
return(result.EndTime());
}
byte[] resultLRC = new byte[responsePackage.Length - 3];
Array.Copy(responsePackage, 1, resultLRC, 0, resultLRC.Length);
var resultByte = DataConvert.AsciiArrayToByteArray(resultLRC);
if (!LRC.CheckLRC(resultByte))
{
result.IsSucceed = false;
result.Err = "响应结果LRC验证失败";
//return result.EndTime();
}
result.Response = string.Join(" ", responsePackage.Select(t => t.ToString("X2")));
}
catch (Exception ex)
{
result.IsSucceed = false;
result.Err = ex.Message;
result.ErrList.Add(ex.Message);
}
finally
{
if (isAutoOpen)
{
Dispose();
}
}
return(result.EndTime());
}
private string BuildAsciiCommand(byte[] chkbuf, byte len)
{
string CRLF = "\r\n";
uint LRC;
string auxLRC = ":";
byte uchLRC = 0;
for (int i = 0; i < len; i++)
{
uchLRC += chkbuf[i];
}
LRC = ((byte)(-((uchLRC))));
//junta a trama toda em Hexa("X")
for (int i = 0; i < len; i++)
{
auxLRC = auxLRC + chkbuf[i].ToString("X").PadLeft(2, '0');
}
string strCommand = auxLRC + LRC.ToString("X").PadLeft(2, '0') + CRLF;
return(strCommand);
}
/// <summary>
/// 读取数据
/// </summary>
/// <param name="address">寄存器起始地址</param>
/// <param name="stationNumber">站号</param>
/// <param name="functionCode">功能码</param>
/// <param name="readLength">读取长度</param>
/// <returns></returns>
public Result <byte[]> Read(string address, byte stationNumber = 1, byte functionCode = 3, ushort readLength = 1)
{
if (isAutoOpen)
{
Connect();
}
var result = new Result <byte[]>();
try
{
//获取命令（组装报文）
byte[] command = GetReadCommand(address, stationNumber, functionCode, readLength);
var commandLRC = DataConvert.ByteArrayToAsciiArray(LRC.GetLRC(command));
var finalCommand = new byte[commandLRC.Length + 3];
Buffer.BlockCopy(commandLRC, 0, finalCommand, 1, commandLRC.Length);
finalCommand[0] = 0x3A;
finalCommand[finalCommand.Length - 2] = 0x0D;
finalCommand[finalCommand.Length - 1] = 0x0A;
result.Requst = string.Join(" ", finalCommand.Select(t => t.ToString("X2")));
//发送命令并获取响应报文
var responsePackage = SendPackage(finalCommand);
if (!responsePackage.Any())
{
result.IsSucceed = false;
result.Err = "响应结果为空，请检查是否连上了服务端";
return(result);
}
byte[] resultLRC = new byte[responsePackage.Length - 3];
Array.Copy(responsePackage, 1, resultLRC, 0, resultLRC.Length);
var resultByte = DataConvert.AsciiArrayToByteArray(resultLRC);
if (!LRC.CheckLRC(resultByte))
{
result.IsSucceed = false;
result.Err = "响应结果LRC验证失败";
return(result);
}
var resultData = new byte[resultByte[2]];
Buffer.BlockCopy(resultByte, 3, resultData, 0, resultData.Length);
result.Response = string.Join(" ", responsePackage.Select(t => t.ToString("X2")));
//4 获取响应报文数据（字节数组形式）
result.Value = resultData.Reverse().ToArray();
}
catch (Exception ex)
{
result.IsSucceed = false;
result.Err = ex.Message;
result.ErrList.Add(ex.Message);
}
finally
{
if (isAutoOpen)
{
Dispose();
}
}
return(result);
}
/// <summary>
/// 接收数据回调用
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void DataReceived(object sender, SerialDataReceivedEventArgs e)
{
try
{
byte[] requetData = new byte[serialPort.BytesToRead];
serialPort.Read(requetData, 0, requetData.Length);
var address = $"{requetData[5]}-{requetData[6]}-{requetData[7]}-{requetData[8]}";
byte[] tempData = new byte[requetData.Length - 3];
Buffer.BlockCopy(requetData, 1, tempData, 0, tempData.Length);
var requetAsciiData = DataConvert.AsciiArrayToByteArray(tempData);
var type = $"{requetData[3].ToString("X2")}{requetData[4].ToString("X2")}";
switch (type)
{
//读取线圈
case "3031":
{
var value = dataPersist.Read(address);
var bytes = JsonConvert.DeserializeObject <byte[]>(value);
byte[] data = null;
//没有存储过的数据的，默认响应false
if (bytes == null)
{
data = DataConvert.StringToByteArray("01 01 01 00");
}
else
{
if (bytes[0].ToString("X2") != "3A" ||
bytes[bytes.Length - 2].ToString("X2") != "0D" ||
bytes[bytes.Length - 1].ToString("X2") != "0A")
{
throw new Exception("标记验证失败");
}
byte[] asciiData = new byte[bytes.Length - 3];
Buffer.BlockCopy(bytes, 1, asciiData, 0, asciiData.Length);
var byteDataArray = DataConvert.AsciiArrayToByteArray(asciiData);
//true
if (byteDataArray[4].ToString("X2") == "FF" && byteDataArray[5].ToString("X2") == "00")
{
data = DataConvert.StringToByteArray("01 01 01 01");
}
else //false
{
data = DataConvert.StringToByteArray("01 01 01 00");
}
}
var dataString = string.Join("", LRC.GetLRC(data).Select(t => t.ToString("X2")));
var databyte = Encoding.ASCII.GetBytes(dataString);
var responseData = new byte[databyte.Length + 3];
Buffer.BlockCopy(databyte, 0, responseData, 1, databyte.Length);
responseData[0] = 0x3A;
responseData[responseData.Length - 2] = 0x0D;
responseData[responseData.Length - 1] = 0x0A;
serialPort.Write(responseData, 0, responseData.Length);
}
break;
//写入线圈
case "3035":
{
dataPersist.Write(address, JsonConvert.SerializeObject(requetData));
serialPort.Write(requetData, 0, requetData.Length);
}
break;
//读取
case "3033":
{
var value = dataPersist.Read(address);
var bytes = JsonConvert.DeserializeObject <byte[]>(value);
byte[] data = null;
if (bytes == null)
{
data = new byte[2 + 3];
data[2] = 2; //数据长度
}
else
{
if (bytes[0].ToString("X2") != "3A" ||
bytes[bytes.Length - 2].ToString("X2") != "0D" ||
bytes[bytes.Length - 1].ToString("X2") != "0A")
{
throw new Exception("标记验证失败");
}
byte[] asciiData = new byte[bytes.Length - 3];
Buffer.BlockCopy(bytes, 1, asciiData, 0, asciiData.Length);
var byteDataArray = DataConvert.AsciiArrayToByteArray(asciiData);
data = new byte[byteDataArray[6] + 3];
data[2] = byteDataArray[6]; //数据长度
Buffer.BlockCopy(byteDataArray, 7, data, 3, data.Length - 3);
}
data[0] = requetAsciiData[0]; //站号
data[1] = 0x03; //功能码
var dataString = string.Join("", LRC.GetLRC(data).Select(t => t.ToString("X2")));
var databyte = Encoding.ASCII.GetBytes(dataString);
var responseData = new byte[databyte.Length + 3];
Buffer.BlockCopy(databyte, 0, responseData, 1, databyte.Length);
responseData[0] = 0x3A;
responseData[responseData.Length - 2] = 0x0D;
responseData[responseData.Length - 1] = 0x0A;
serialPort.Write(responseData, 0, responseData.Length);
}
break;
//写入3130 对应十进制16 十六进制 10
case "3130":
{
dataPersist.Write(address, JsonConvert.SerializeObject(requetData));
serialPort.Write(requetData, 0, requetData.Length);
}
break;
}
}
catch (Exception ex)
{ }
}
