private void ModbusRtu_OnReceiveDataChanged(object sender, ReceiveDataEventArgs e)
{
List <byte> recevideData = e.ReceiveData;
this.canSendNextRequestCommandBytes = true;
if (null != recevideData)
{
this.currentRecivedByteData = recevideData;
DataAnalyzeMode dataAnalyzeMode = ModbusConfigService.GetCurrentDataAnalyzeMode();
AnalyzeRecivedDataReponse reponse =
RecivedDataAnalyzer.AnalyzeRecivedData(dataAnalyzeMode, this.currentRequestByteData, this.currentRecivedByteData);
if (reponse.ModbusReponseSuccess && reponse.AnalyzeRecivedDataSuccess)
{
ProcessRegisterValue(reponse.Registers, this.allDataPoints);
}
//if (reponse.DataPointType == DataPointType.WriteAndReadByFunNum01
// || reponse.DataPointType == DataPointType.WriteAndReadByFunNum03)
//{
// //TODO:分析写寄存器接受侦
//}
}
}
/// <summary>
/// 写单个寄存器
/// </summary>
/// <param name="requestByteData"></param>
/// <param name="recevideByteData"></param>
/// <returns></returns>
private AnalyzeRecivedDataReponse AnalyzeRecivedDataByFunNum06(List <byte> requestByteData, List <byte> recevideByteData)
{
AnalyzeRecivedDataReponse reponse = new AnalyzeRecivedDataReponse();
try
{
int deviceAddress = recevideByteData[0];
byte[] startRegisterByte = new byte[] { recevideByteData[2], recevideByteData[3] };
int startRegisterAddress = BitConverter.ToInt16(startRegisterByte, 0);
//byte[] valueToSetByte = new byte[] { requestByteData[4], requestByteData[5] };
//double valueToSet = BitConverter.ToDouble(valueToSetByte, 0);
//接受侦recevideByteData中寄存器值的数据之前的字节数：
//deviceAddress、funNum、ecevideByteData[2]个占1个字节
int byteCountBeforeDataRegion = 4;
int countOfRegisterToRead = 1;
//避免数据返回不完整引发下标溢出
if (recevideByteData.Count > (byteCountBeforeDataRegion + countOfRegisterToRead * 2) &&
requestByteData.Count > (byteCountBeforeDataRegion + countOfRegisterToRead * 2))
{
if (requestByteData[byteCountBeforeDataRegion] == recevideByteData[byteCountBeforeDataRegion] &&
requestByteData[byteCountBeforeDataRegion + 1] == recevideByteData[byteCountBeforeDataRegion + 1])
{
reponse.ModbusReponseSuccess = true;
}
else
{
reponse.ModbusReponseSuccess = false;
}
Register register = new Register();
register.DeviceAddress = deviceAddress;
register.RegisterAddress = startRegisterAddress;
byte[] bytevalues = new byte[]
{
recevideByteData[byteCountBeforeDataRegion],
recevideByteData[byteCountBeforeDataRegion + 1],
};
register.RegisterValue = BitConverter.ToUInt16(bytevalues, 0);
reponse.Registers.Add(register);
}
}
catch (Exception)
{
reponse.AnalyzeRecivedDataSuccess = false;
LoggingFactory.GetLogger().WriteDebugLogger("解析Modbus接收帧时发生异常！");
return(reponse);
}
return(reponse);
}
private AnalyzeRecivedDataReponse AnalyzeRecivedData(List <byte> requestByteData, List <byte> recevideByteData)
{
AnalyzeRecivedDataReponse reponse = new AnalyzeRecivedDataReponse();
if (recevideByteData.Count < 1 || requestByteData.Count < 1)
{
//无法获取设备地址、功能码
string message = "请求帧或接受帧中不存在设备地址或功能码。";
LoggingFactory.GetLogger().WriteDebugLogger(message);
return(reponse);
}
if (requestByteData[0] != recevideByteData[0] ||
requestByteData[1] != recevideByteData[1])
{
string message = "请求帧与接受帧的设备地址或功能码不对应，" +
"请求接受的数据不对应。";
LoggingFactory.GetLogger().WriteDebugLogger(message);
return(reponse);
}
int funNum = recevideByteData[1];
if (1 == funNum)
{
reponse = AnalyzeRecivedDataByFunNum01(requestByteData, recevideByteData);
}
if (3 == funNum)
{
reponse = AnalyzeRecivedDataByFunNum03(requestByteData, recevideByteData);
}
if (5 == funNum)
{
reponse = AnalyzeRecivedDataByFunNum05(requestByteData, recevideByteData);
}
if (6 == funNum)
{
reponse = AnalyzeRecivedDataByFunNum06(requestByteData, recevideByteData);
}
if (15 == funNum)
{
reponse = AnalyzeRecivedDataByFunNum015(requestByteData, recevideByteData);
}
if (16 == funNum)
{
reponse = AnalyzeRecivedDataByFunNum16(requestByteData, recevideByteData);
}
return(reponse);
}
private AnalyzeRecivedDataReponse AnalyzeRecivedDataByFunNum03(List <byte> requestByteData, List <byte> recevideByteData)
{
AnalyzeRecivedDataReponse reponse = new AnalyzeRecivedDataReponse();
try
{
int deviceAddress = requestByteData[0];
byte[] startRegisterByte = new byte[] { requestByteData[2], requestByteData[3] };
int startRegisterAddress = BitConverter.ToInt16(startRegisterByte, 0);
//接受侦recevideByteData中寄存器值的数据之前的字节数：
//deviceAddress、funNum、recevideByteData[2]个占1个字节
int byteCountBeforeDataRegion = 3;
//寄存器的个数
int countOfRegisterHadRead = recevideByteData[2] / 2;
//避免数据返回不完整引发下标溢出
if (recevideByteData.Count > (byteCountBeforeDataRegion + recevideByteData[2]))
{
for (int i = 0; i < countOfRegisterHadRead; i++)
{
Register register = new Register();
register.DeviceAddress = deviceAddress;
register.RegisterAddress = startRegisterAddress;
byte[] bytevalues = new byte[]
{
recevideByteData[2 * i + byteCountBeforeDataRegion],
recevideByteData[2 * i + byteCountBeforeDataRegion + 1],
};
register.RegisterValue = BitConverter.ToUInt16(bytevalues, 0);
reponse.Registers.Add(register);
++startRegisterAddress;
}
}
}
catch (Exception)
{
reponse.AnalyzeRecivedDataSuccess = false;
LoggingFactory.GetLogger().WriteDebugLogger("解析Modbus接收帧时发生异常！");
return(reponse);
}
return(reponse);
}
private void ModbusRtu_OnReceiveDataChanged(object sender, ReceiveDataEventArgs e)
{
List <byte> recevideData = e.ReceiveData;
if (null != recevideData)
{
this.currentRecivedByteData = recevideData;
AnalyzeRecivedDataReponse reponse = AnalyzeRecivedData(this.currentRequestByteData, this.currentRequestByteData);
ProcessRegisterValue(reponse.Registers, this.allDataPoints);
//if (reponse.DataPointType == DataPointType.WriteAndReadByFunNum01
// || reponse.DataPointType == DataPointType.WriteAndReadByFunNum03)
//{
// //TODO:分析写寄存器接受侦
//}
}
}
/// <summary>
/// 设置多个线圈的值
/// 根据Modbus协议，功能码15（0F），接收帧为
/// 11 0F 0013 0009
/// 并不包含寄存器的值。
/// </summary>
/// <param name="requestByteData"></param>
/// <param name="recevideByteData"></param>
/// <returns></returns>
private static AnalyzeRecivedDataReponse AnalyzeRecivedDataByFunNum015(
DataAnalyzeMode dataAnalyzeMode,
List <byte> requestByteData,
List <byte> recevideByteData)
{
AnalyzeRecivedDataReponse reponse = new AnalyzeRecivedDataReponse();
//根据Modbus协议，功能码15（0F），接收帧为
//11 0F 0013 0009
//并不包含寄存器的值。
//故返回一个空的List<Register>
try
{
//接受侦recevideByteData中寄存器值的数据之前的字节数：
//deviceAddress、funNum、ecevideByteData[2]个占1个字节
int byteCountBeforeDataRegion = 4;
//避免数据返回不完整引发下标溢出
if (recevideByteData.Count > (byteCountBeforeDataRegion + 2) &&
requestByteData.Count > (byteCountBeforeDataRegion + 2))
{
if (requestByteData[byteCountBeforeDataRegion] == recevideByteData[byteCountBeforeDataRegion] &&
requestByteData[byteCountBeforeDataRegion + 1] == recevideByteData[byteCountBeforeDataRegion + 1])
{
reponse.ModbusReponseSuccess = true;
}
else
{
reponse.ModbusReponseSuccess = false;
}
}
}
catch (Exception)
{
reponse.AnalyzeRecivedDataSuccess = false;
LoggingFactory.GetLogger().WriteDebugLogger("解析Modbus接收帧时发生异常！");
return(reponse);
}
return(reponse);
}
/// <summary>
/// 设置多个寄存器的值
///根据Modbus协议，功能码16（10H），接收帧为
///11 0F 0013 0009
///并不包含寄存器的值。
/// </summary>
/// <param name="requestByteData"></param>
/// <param name="recevideByteData"></param>
/// <returns></returns>
private AnalyzeRecivedDataReponse AnalyzeRecivedDataByFunNum16(List <byte> requestByteData, List <byte> recevideByteData)
{
AnalyzeRecivedDataReponse reponse = new AnalyzeRecivedDataReponse();
//根据Modbus协议，功能码16（10H），接收帧为
//11 0F 0013 0009
//并不包含寄存器的值。
//故返回一个空的List<Register>
try
{
int byteCountBeforeDataRegion = 4;
//避免数据返回不完整引发下标溢出
if (recevideByteData.Count > (byteCountBeforeDataRegion + 2) &&
requestByteData.Count > (byteCountBeforeDataRegion + 2))
{
if (requestByteData[byteCountBeforeDataRegion] == recevideByteData[byteCountBeforeDataRegion] &&
requestByteData[byteCountBeforeDataRegion + 1] == recevideByteData[byteCountBeforeDataRegion + 1])
{
reponse.ModbusReponseSuccess = true;
}
else
{
reponse.ModbusReponseSuccess = false;
}
}
}
catch (Exception)
{
reponse.AnalyzeRecivedDataSuccess = false;
LoggingFactory.GetLogger().WriteDebugLogger("解析Modbus接收帧时发生异常！");
return(reponse);
}
return(reponse);
}
/// <summary>
/// 写单个线圈
/// </summary>
/// <param name="requestByteData"></param>
/// <param name="recevideByteData"></param>
/// <returns></returns>
private AnalyzeRecivedDataReponse AnalyzeRecivedDataByFunNum05(List <byte> requestByteData, List <byte> recevideByteData)
{
AnalyzeRecivedDataReponse reponse = new AnalyzeRecivedDataReponse();
try
{
int deviceAddress = recevideByteData[0];
byte[] startRegisterByte = new byte[] { recevideByteData[2], recevideByteData[3] };
int startRegisterAddress = BitConverter.ToInt16(startRegisterByte, 0);
//接受侦recevideByteData中寄存器值的数据之前的字节数：
//deviceAddress、funNum、ecevideByteData[2]个占1个字节
int byteCountBeforeDataRegion = 4;
int countOfRegisterToRead = 1;
//避免数据返回不完整引发下标溢出
if (recevideByteData.Count > (byteCountBeforeDataRegion + countOfRegisterToRead * 2) &&
requestByteData.Count > (byteCountBeforeDataRegion + countOfRegisterToRead * 2))
{
if (requestByteData[byteCountBeforeDataRegion] == recevideByteData[byteCountBeforeDataRegion] &&
requestByteData[byteCountBeforeDataRegion + 1] == recevideByteData[byteCountBeforeDataRegion + 1])
{
reponse.ModbusReponseSuccess = true;
}
else
{
reponse.ModbusReponseSuccess = false;
}
Register register = new Register();
register.DeviceAddress = deviceAddress;
register.RegisterAddress = startRegisterAddress;
byte fistByteInRecevide = recevideByteData[byteCountBeforeDataRegion];
byte secondByteInRecevide = recevideByteData[byteCountBeforeDataRegion + 1];
byte fistByteInRequest = requestByteData[byteCountBeforeDataRegion];
byte secondByteInRequest = requestByteData[byteCountBeforeDataRegion + 1];
if (0xFF == fistByteInRecevide && 0x00 == secondByteInRecevide)
{
register.RegisterValue = 1; //开：FF00
}
else if (0x00 == fistByteInRecevide && 0x00 == secondByteInRecevide)
{
register.RegisterValue = 0; //关：0000
}
reponse.Registers.Add(register);
}
}
catch (Exception)
{
reponse.AnalyzeRecivedDataSuccess = false;
LoggingFactory.GetLogger().WriteDebugLogger("解析Modbus接收帧时发生异常！");
return(reponse);
}
return(reponse);
}
private AnalyzeRecivedDataReponse AnalyzeRecivedDataByFunNum01(List <byte> requestByteData, List <byte> recevideByteData)
{
AnalyzeRecivedDataReponse reponse = new AnalyzeRecivedDataReponse();
try
{
int deviceAddress = requestByteData[0];
byte[] startRegisterByte = new byte[] { requestByteData[2], requestByteData[3] };
int startRegisterAddress = BitConverter.ToInt16(startRegisterByte, 0);
byte[] readRegisterCountByte = new byte[] { requestByteData[4], requestByteData[5] };
int countOfRegisterToRead = BitConverter.ToInt16(readRegisterCountByte, 0);
//接受侦recevideByteData中寄存器值的数据之前的字节数：
//deviceAddress、funNum、recevideByteData[2]个占1个字节
int byteCountBeforeDataRegion = 3;
//数据区表示寄存器值的字节数
int registerValueByteCount = recevideByteData[2];
//避免数据返回不完整引发下标溢出
if (recevideByteData.Count > (byteCountBeforeDataRegion + recevideByteData[2]))
{
byte byteData = 0;
List <UInt16> totalRecvVal = new List <ushort>();
for (int k = 0; k < registerValueByteCount; k++)
{
byteData = recevideByteData[byteCountBeforeDataRegion + k];
//解析01功能码的顺序是从每个返回字节的低位到高位
totalRecvVal.Add((UInt16)(byteData & 0x01)); //一个字节中的最低位
totalRecvVal.Add((UInt16)((byteData & 0x02) >> 1));
totalRecvVal.Add((UInt16)((byteData & 0x04) >> 2));
totalRecvVal.Add((UInt16)((byteData & 0x08) >> 3));
totalRecvVal.Add((UInt16)((byteData & 0x10) >> 4));
totalRecvVal.Add((UInt16)((byteData & 0x20) >> 5));
totalRecvVal.Add((UInt16)((byteData & 0x40) >> 6));
totalRecvVal.Add((UInt16)((byteData & 0x80) >> 7)); //一个字节中的最高位,先加入高位data
}
//条件：i < countOfRegisterToRead 是要求实际要读多少个寄存器的值，就存储多少个值
//totalRecvVal中可能存在不表示寄存器值的多余数据，
//通过条件：i < countOfRegisterToRead，提取有效数据，剔除无效数据
for (int i = 0; i < totalRecvVal.Count && i < countOfRegisterToRead; i++)
{
Register register = new Register();
register.DeviceAddress = deviceAddress;
register.RegisterAddress = startRegisterAddress;
register.RegisterValue = totalRecvVal[i];
reponse.Registers.Add(register);
++startRegisterAddress;
}
}
}
catch (Exception)
{
reponse.AnalyzeRecivedDataSuccess = false;
LoggingFactory.GetLogger().WriteDebugLogger("解析Modbus接收帧时发生异常！");
return(reponse);
}
return(reponse);
}
private static AnalyzeRecivedDataReponse AnalyzeRecivedDataByFunNum03(
DataAnalyzeMode dataAnalyzeMode,
List <byte> requestByteData,
List <byte> recevideByteData)
{
AnalyzeRecivedDataReponse reponse = new AnalyzeRecivedDataReponse();
try
{
//接受侦recevideByteData中寄存器值的数据之前的字节数：
//deviceAddress、funNum、recevideByteData[2]个占1个字节
int byteCountBeforeDataRegion = 3;
//避免数据返回不完整引发下标溢出
if (recevideByteData.Count > (byteCountBeforeDataRegion + recevideByteData[2]))
{
int deviceAddress = requestByteData[0];
int startRegisterAddress = requestByteData[2] * 256 + requestByteData[3];
//寄存器的个数
int countOfRegisterHadRead = recevideByteData[2] / 2;
for (int i = 0; i < countOfRegisterHadRead; i++)
{
Register register = new Register();
register.DeviceAddress = deviceAddress;
register.RegisterAddress = startRegisterAddress;
if (dataAnalyzeMode == DataAnalyzeMode.DataHighToLow)
{
//HL HL
register.RegisterValue =
(ushort)(recevideByteData[2 * i + byteCountBeforeDataRegion] * 256 +
recevideByteData[2 * i + byteCountBeforeDataRegion + 1]);
//先加入低位
register.LowToHighDataBytes.Add(recevideByteData[2 * i + byteCountBeforeDataRegion + 1]);
//后加入高位
register.LowToHighDataBytes.Add(recevideByteData[2 * i + byteCountBeforeDataRegion]);
}
else
{
//LH LH
register.RegisterValue =
(ushort)(recevideByteData[2 * i + byteCountBeforeDataRegion] +
recevideByteData[2 * i + byteCountBeforeDataRegion + 1] * 256);
//先加入低位
register.LowToHighDataBytes.Add(recevideByteData[2 * i + byteCountBeforeDataRegion]);
//后加入高位
register.LowToHighDataBytes.Add(recevideByteData[2 * i + byteCountBeforeDataRegion + 1]);
}
;
reponse.Registers.Add(register);
++startRegisterAddress;
}
}
}
catch (Exception)
{
reponse.AnalyzeRecivedDataSuccess = false;
LoggingFactory.GetLogger().WriteDebugLogger("解析Modbus接收帧时发生异常！");
return(reponse);
}
return(reponse);
}
public static AnalyzeRecivedDataReponse AnalyzeRecivedData(DataAnalyzeMode dataAnalyzeMode, List <byte> requestByteData, List <byte> recevideByteData)
{
AnalyzeRecivedDataReponse reponse = new AnalyzeRecivedDataReponse();
//TODO:暂时注释，调试完后取消注释
if (!RecivedDataCorrespondToRequesData(requestByteData, recevideByteData))
{
reponse.ModbusReponseSuccess = false;
return(reponse);
}
if (recevideByteData.Count < 2 || requestByteData.Count < 2)
{
//无法获取设备地址、功能码
string message = "请求帧或接受帧中不存在设备地址或功能码。";
LoggingFactory.GetLogger().WriteDebugLogger(message);
reponse.ModbusReponseSuccess = false;
return(reponse);
}
if (requestByteData[0] != recevideByteData[0] ||
requestByteData[1] != recevideByteData[1])
{
string message = "请求帧与接受帧的设备地址或功能码不对应，" +
"请求接受的数据不对应。";
LoggingFactory.GetLogger().WriteDebugLogger(message);
reponse.AnalyzeRecivedDataSuccess = false;
return(reponse);
}
int funNum = recevideByteData[1];
if (1 == funNum)
{
reponse = AnalyzeRecivedDataByFunNum01(dataAnalyzeMode, requestByteData, recevideByteData);
}
if (3 == funNum)
{
reponse = AnalyzeRecivedDataByFunNum03(dataAnalyzeMode, requestByteData, recevideByteData);
}
if (5 == funNum)
{
reponse = AnalyzeRecivedDataByFunNum05(dataAnalyzeMode, requestByteData, recevideByteData);
}
if (6 == funNum)
{
reponse = AnalyzeRecivedDataByFunNum06(dataAnalyzeMode, requestByteData, recevideByteData);
}
if (15 == funNum)
{
reponse = AnalyzeRecivedDataByFunNum015(dataAnalyzeMode, requestByteData, recevideByteData);
}
if (16 == funNum)
{
reponse = AnalyzeRecivedDataByFunNum16(dataAnalyzeMode, requestByteData, recevideByteData);
}
return(reponse);
}