protected override void OnInit(EventArgs e)
{
Key = Convert.ToInt32(Request["id"]);
H5Div container = new H5Div();
container.CssClass = "container";
container.Attributes.Add("value", FunctionCode.ToString());
Gcontainer = container;
Form.Controls.Add(container);
RenderTitle();
H5Div work_follow_content = new H5Div();
work_follow_content.CssClass = "work_follow_content";
Gwork_follow_content = work_follow_content;
Gcontainer.Controls.Add(work_follow_content);
RenderRequestPerson();
RenderReasonBox();
RenderWorkFollow();
RenderFunction();
ComfirmReasonBox();
}
private static void addFunction(FunctionCode code, ArgumentBuilder arg, int flag)
{
var key = code.ToString();
if (Config.ICFunction)
{
key = key.ToUpper();
}
funcDic.Add(key, new FunctionIdentifier(key, code, arg, flag));
}
private static void addFunction(FunctionCode code, AbstractInstruction inst, int additionalFlag)
{
var key = code.ToString();
if (Config.ICFunction)
{
key = key.ToUpper();
}
funcDic.Add(key, new FunctionIdentifier(key, code, inst, additionalFlag));
}
public void OnAuthorization(AuthorizationFilterContext context)
{
var claimsIdentity = context.HttpContext.User.Identity as ClaimsIdentity;
var permissionsClaim = context.HttpContext.User.Claims.SingleOrDefault(c => c.Type == SystemConstants.UserClaim.Permissions);
if (permissionsClaim != null)
{
var permissions = JsonConvert.DeserializeObject <List <string> >(permissionsClaim.Value);
var functionArr = _function.ToString().Split("_");
string functionId = string.Join(".", functionArr);
if (!permissions.Contains(functionId + "_" + _action))
{
context.Result = new ForbidResult();
}
}
else
{
context.Result = new ForbidResult();
}
}
///<summary>
/// 报文
///</summary>
///<returns></returns>
public override string Serialize()
{
//0xF1 10 00 00 01,41,00,00,脚本长度4字节小端，密码长度4字节小端 CRC
// 包头 F1
// 功能码 10
// 子功能码 00
// 操作码 00
// 脚本长度4字节小端 01,41
// 密码长度4字节小端 00,00
// CRC校验 2bytes
var data = new List <string>
{
Header,
FunctionCode.ToString(),
Convert.ToString(SubFunctionCode, 16),
Convert.ToString(OperateCode, 16),
"01",
"41",
"00",
"00"
};
var cData = new List <string>();
for (var i = 0; i < 4; i++)
{
cData.Add(Convert.ToString((byte)(DataLength >> i * 8 & 0xff), 16));
}
data.AddRange(cData);
cData.Clear();
for (var i = 0; i < 4; i++)
{
cData.Add(Convert.ToString((byte)(PwdLength >> i * 8 & 0xff), 16));
}
data.AddRange(cData);
var crc = CrcHelper.GetCrc16(data);
data.AddRange(crc);
return(data.Join(","));
}
/// <summary>
/// Creates a new bvlc message based on a function code
/// </summary>
/// <param name="function">The function code of the message type to create</param>
/// <returns>The newly created message instance</returns>
private IBvlcMessage _createMessage(FunctionCode function)
{
switch (function)
{
case FunctionCode.Result:
return(new ResultMessage());
case FunctionCode.RegisterForeignDevice:
return(new RegisterForeignDeviceMessage());
case FunctionCode.ForwardedNpdu:
return(new ForwardedNpduMessage());
case FunctionCode.OriginalUnicastNpdu:
return(new OriginalUnicastNpduMessage());
case FunctionCode.OriginalBroadcastNpdu:
return(new OriginalBroadcastNpduMessage());
}
throw new Exception("Could not create message with function " + function.ToString());
}
public override void OnActionExecuting(ActionExecutingContext context)
{
byte[] value = null;
if (context.HttpContext.Session.TryGetValue("functions", out value))
{
var functions = (List <Function>)SerializeHelper.DeserializeWithBinary(value);
if (!functions.Any(o => o.Code.Contains(_functionCode.ToString())))
{
context.Result = new ContentResult()
{
Content = "请设置权限"
};
context.HttpContext.Response.Redirect("/Home/Index");
}
}
else
{
context.Result = new ContentResult()
{
Content = "请设置权限"
};
context.HttpContext.Response.Redirect("/Home/Index");
}
}
private static void addPrintDataFunction(FunctionCode code)
{
addFunction(code, new PRINT_DATA_Instruction(code.ToString()));
}
/// <summary>
/// Creates a new bvlc message based on a function code
/// </summary>
/// <param name="function">The function code of the message type to create</param>
/// <returns>The newly created message instance</returns>
private IBvlcMessage _createMessage(FunctionCode function)
{
switch(function)
{
case FunctionCode.Result:
return new ResultMessage();
case FunctionCode.RegisterForeignDevice:
return new RegisterForeignDeviceMessage();
case FunctionCode.ForwardedNpdu:
return new ForwardedNpduMessage();
case FunctionCode.OriginalUnicastNpdu:
return new OriginalUnicastNpduMessage();
case FunctionCode.OriginalBroadcastNpdu:
return new OriginalBroadcastNpduMessage();
}
throw new Exception("Could not create message with function " + function.ToString());
}
private static void addPrintFunction(FunctionCode code)
{
addFunction(code, new PRINT_Instruction(code.ToString()));
}
//画像表示
private static void addPictureFunction(FunctionCode code)
{
addFunction(code, new PICTURE_Instruction(code.ToString()));
}
//音楽再生
private static void addMusicFunction(FunctionCode code)
{
addFunction(code, new MUSIC_Instruction(code.ToString()));
}
private static void addFunction(FunctionCode code, ArgumentBuilder arg, int flag)
{
string key = code.ToString();
if (Config.ICFunction)
key = key.ToUpper();
funcDic.Add(key, new FunctionIdentifier(key, code, arg, flag));
}
private static void addFunction(FunctionCode code, AbstractInstruction inst, int additionalFlag)
{
string key = code.ToString();
if (Config.ICFunction)
key = key.ToUpper();
funcDic.Add(key, new FunctionIdentifier(key, code, inst, additionalFlag));
}
private void timer1_Tick(object sender, EventArgs e)
{
try
{
byte slaveID = 1;
ushort startAddress = 0;
ushort numofPoints = 4;
//read DI(1xxxx)
bool[] status = master.ReadInputs(slaveID, startAddress, numofPoints);
for (int i = 0; i < numofPoints; i++)
{
if (status[i] == true)
{
listDI[i].BackColor = Color.DodgerBlue;
}
else
{
listDI[i].BackColor = Color.Navy;
}
}
//read DO(0xxxx)
bool[] coilstatus = master.ReadCoils(slaveID, startAddress, numofPoints);
for (int i = 0; i < numofPoints; i++)
{
if (coilstatus[i] == true)
{
listDO[i].BackColor = Color.Red;
}
else
{
listDO[i].BackColor = Color.DarkRed;
}
}
//read AI(3xxxx)
ushort[] register = master.ReadInputRegisters(slaveID, startAddress, numofPoints);
for (int i = 0; i < numofPoints; i++)
{
listAI[i].Text = register[i].ToString();
//If you need to show the value with other unit, you have to caculate the gain and offset
//eq. 0 to 0kg, 32767 to 1000kg
//0 (kg) = gain * 0 + offset
//1000 (kg) = gain *32767 + offset
//=> gain=1000/32767, offset=0
//double value = (double)register[i] * 10.0 / 32767;
//listAI[i].Text = value.ToString("0.00");
}
//read AO(4xxxx)
ushort[] holdingregister = master.ReadHoldingRegisters(slaveID, startAddress, numofPoints);
for (int i = 0; i < numofPoints; i++)
{
listAO[i].Text = holdingregister[i].ToString();
//If you need to show the value with other unit, you have to caculate the gain and offset
//eq. 0 to 0 mA, 32767 to 20 mA
//0 (mA) = gain * 0 + offset
//20 (mA) = gain *32767 + offset
//=> gain=20/32767, offset=0
//double holdvalue = (double)holdingregister[i] * 20.0 / 32767;
//listAO[i].Text = holdvalue.ToString("0.00");
}
}
catch (Exception exception)
{
//Connection exception
//No response from server.
//The server maybe close the com port, or response timeout.
if (exception.Source.Equals("System"))
{
Console.WriteLine(DateTime.Now.ToString() + " " + exception.Message);
}
//The server return error code.
//You can get the function code and exception code.
if (exception.Source.Equals("nModbusPC"))
{
string str = exception.Message;
int FunctionCode;
string ExceptionCode;
str = str.Remove(0, str.IndexOf("\r\n") + 17);
FunctionCode = Convert.ToInt16(str.Remove(str.IndexOf("\r\n")));
Console.WriteLine("Function Code: " + FunctionCode.ToString("X"));
str = str.Remove(0, str.IndexOf("\r\n") + 17);
ExceptionCode = str.Remove(str.IndexOf("-"));
switch (ExceptionCode.Trim())
{
case "1":
Console.WriteLine("Exception Code: " + ExceptionCode.Trim() + "----> Illegal function!");
break;
case "2":
Console.WriteLine("Exception Code: " + ExceptionCode.Trim() + "----> Illegal data address!");
break;
case "3":
Console.WriteLine("Exception Code: " + ExceptionCode.Trim() + "----> Illegal data value!");
break;
case "4":
Console.WriteLine("Exception Code: " + ExceptionCode.Trim() + "----> Slave device failure!");
break;
}
/*
* //Modbus exception codes definition
* Code * Name * Meaning
* 01 ILLEGAL FUNCTION The function code received in the query is not an allowable action for the server.
*
* 02 ILLEGAL DATA ADDRESS The data addrdss received in the query is not an allowable address for the server.
*
* 03 ILLEGAL DATA VALUE A value contained in the query data field is not an allowable value for the server.
*
* 04 SLAVE DEVICE FAILURE An unrecoverable error occurred while the server attempting to perform the requested action.
*
* 05 ACKNOWLEDGE This response is returned to prevent a timeout error from occurring in the client (or master)
* when the server (or slave) needs a long duration of time to process accepted request.
*
* 06 SLAVE DEVICE BUSY The server (or slave) is engaged in processing a long–duration program command , and the
* client (or master) should retransmit the message later when the server (or slave) is free.
*
* 08 MEMORY PARITY ERROR The server (or slave) attempted to read record file, but detected a parity error in the memory.
*
* 0A GATEWAY PATH UNAVAILABLE The gateway is misconfigured or overloaded.
*
* 0B GATEWAY TARGET DEVICE FAILED TO RESPOND No response was obtained from the target device. Usually means that the device is not present on the network.
*/
}
}
}
private void btnReadHoldingRegister_Click(object sender, EventArgs e)
{
if (!ModbusTool.bConnect)
{
MessageBox.Show("请先打开串口!");
return;
}
txtWrong.Text = "";
string strData = "";
try
{
ushort startAddress;
try
{
startAddress = Convert.ToUInt16(txtStartAddr.Text, 16);
}
catch (Exception)
{
MessageBox.Show("请输入正确的起始地址！");
return;
}
ushort numofPoints;
bool isValid = ushort.TryParse(txtAmount.Text, out numofPoints);
if (isValid == false)
{
MessageBox.Show("请输入正确的数量！");
return;
}
ushort[] register = ModbusTool.ReadHoldingRegisters(startAddress, numofPoints);
//for (int i = 0; i < numofPoints; i++)
//{
// strData = strData + register[i].ToString() + " ";
//}
StringBuilder sb = new StringBuilder();
for (int i = 0; i < numofPoints; i++)
{
sb.Append(register[i].ToString("X4"));
if ((i + 1) % 2 == 0)
{
sb.Append(" ");
}
}
txtRead.Text = sb.ToString();
}
catch (Exception ex)
{
//Connection exception
//No response from server.
//The server maybe close the com port, or response timeout.
if (ex.Source.Equals("System"))
{
txtWrong.Text = DateTime.Now.ToString() + " " + ex.Message;
}
//The server return error code.
//You can get the function code and exception code.
if (ex.Source.Equals("Modbus"))
{
string str = ex.Message;
int FunctionCode;
string ExceptionCode;
str = str.Remove(0, str.IndexOf("\r\n") + 17);
FunctionCode = Convert.ToInt16(str.Remove(str.IndexOf("\r\n")));
Console.WriteLine("Function Code: " + FunctionCode.ToString("X"));
str = str.Remove(0, str.IndexOf("\r\n") + 17);
ExceptionCode = str.Remove(str.IndexOf("-"));
switch (ExceptionCode.Trim())
{
case "1":
txtWrong.Text = "Exception Code: " + ExceptionCode.Trim() + "----> Illegal function!";
break;
case "2":
txtWrong.Text = "Exception Code: " + ExceptionCode.Trim() + "----> Illegal data address!";
break;
case "3":
txtWrong.Text = "Exception Code: " + ExceptionCode.Trim() + "----> Illegal data value!";
break;
case "4":
txtWrong.Text = "Exception Code: " + ExceptionCode.Trim() + "----> Slave device failure!";
break;
default:
txtWrong.Text = "Exception Code: " + ExceptionCode.Trim() + "----> Read failure!";
break;
}
}
}
}
