/// <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());
}
/// <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)
{ }
}