void ReceiveMsg()
{
while (true)
{
loop_cnt_test++;
//if ((DateTime.Now - ModbusCmdTime).Seconds > 2)
// ModbusMaster.Reset();
try
{
//byte[] buffer = new byte[1024 * 1024];
//int n = socketControl.Available;
if (socketControl.Available > 0)
{
byte[] buffer = new byte[1];
socketControl.Receive(buffer, 1, 0);
ModbusRespeonseResult responseResult = ModbusMaster.Response(buffer);
ReciveHandler(buffer, responseResult);
}
}
catch (ThreadAbortException ex)
{
toolStripStatusLabel1.Text = "";
MessageBox.Show("成功终止监听进程");
}
catch (Exception ex)
{
MessageBox.Show("错误\r\n\r\n" + ex.Message);
//th.Join();
break;
}
}
}
private void timerSerialPort_Tick(object sender, EventArgs e)
{
if (this.CommClosing) //如果正在关闭，忽略操作，直接返回，尽快的完成串口监听线程的一次循环
{
return; //【防止关闭串口时卡死在close()时用到】
}
try
{
this.CommListening = true;//设置标记，说明我已经开始处理数据，一会儿要使用系统UI的。
if (comm.BytesToRead > 0)
{
byte[] buffer = new byte[comm.BytesToRead];
comm.Read(buffer, 0, comm.BytesToRead);
ModbusRespeonseResult responseResult = ModbusMaster.Response(buffer);
ReciveHandler(buffer, responseResult);
}
}
catch (Exception ex)
{
MessageBox.Show("接受数据处理程序异常\r\n\r\n" + ex.ToString());
}
finally
{ this.CommListening = false; }
}
public ModbusRespeonseResult Response(byte[] buf)
{
ModbusRespeonseResult result = ModbusRespeonseResult.None;
for (int i = 0; i < buf.Length; i++)
{
PortBufQueue.Enqueue(buf[i]);
}
recieved = false;
if (CmdRecord.Enable)
{
if (PortBufQueue.Count < 3)
{
return(ModbusRespeonseResult.None);
}
if (PortBufQueue.Dequeue() != this.deviceAddress) //设备地址
{
return(ModbusRespeonseResult.None);
}
byte tmp_cmd = PortBufQueue.Dequeue();
if (tmp_cmd != CmdRecord.FunctionCode) //功能码
{
return(ModbusRespeonseResult.FunctionCodeError);
}
switch (tmp_cmd)
{
case 03:
case 04:
int len = PortBufQueue.Dequeue();
if ((CmdRecord.Length << 1) != len) //字节长度
{
return(ModbusRespeonseResult.LenghInconsisten);
}
CMD_LastLoop = tmp_cmd;
break;
case 05:
CMD_LastLoop = tmp_cmd;
break;
case 16:
CMD_LastLoop = tmp_cmd;
break;
default:
break;
}
CmdRecord.Enable = false;
}
if (CMD_LastLoop != 0xff)
{
byte[] bytetmp = new byte[2];
switch (CMD_LastLoop)
{
case 03:
case 04:
if (PortBufQueue.Count < (CmdRecord.Length << 1))
{
return(ModbusRespeonseResult.None);
}
recieved = true;
ushort[] buffer = new ushort[CmdRecord.Length];
ushort tmp;
for (int i = 0; i < buffer.Length; i++)
{
bytetmp[0] = PortBufQueue.Dequeue();
bytetmp[1] = PortBufQueue.Dequeue();
tmp = BitConverter.ToUInt16(bytetmp, 0);
buffer[i] = (ushort)IPAddress.NetworkToHostOrder((short)tmp);
}
this.Buffer.Clear();
this.Buffer.AddRange(buffer);
recieved = true;
result = ModbusRespeonseResult.Recieved;
CMD_LastLoop = 0xff;
break;
case 05:
if (4 > PortBufQueue.Count)
{
return(ModbusRespeonseResult.None);
}
bytetmp[0] = PortBufQueue.Dequeue();
bytetmp[1] = PortBufQueue.Dequeue();
tmp = BitConverter.ToUInt16(bytetmp, 0);
tmp = (ushort)IPAddress.NetworkToHostOrder((short)tmp);
if (tmp != CmdRecord.Address)
{
return(ModbusRespeonseResult.RegisterAddressError);
}
bytetmp[0] = PortBufQueue.Dequeue();
bytetmp[1] = PortBufQueue.Dequeue();
tmp = BitConverter.ToUInt16(bytetmp, 0);
tmp = (ushort)IPAddress.NetworkToHostOrder((short)tmp);
if (tmp != CmdRecord.WriteValue[0])
{
return(ModbusRespeonseResult.DataWritenError);
}
result = ModbusRespeonseResult.Recieved;
CMD_LastLoop = 0xff;
break;
case 06:
tmp = BitConverter.ToUInt16(PortBuf, 2); //Register Address
tmp = (ushort)IPAddress.NetworkToHostOrder((short)tmp);
if (tmp != CmdRecord.Address - 40000)
{
return(ModbusRespeonseResult.RegisterAddressError);
}
tmp = BitConverter.ToUInt16(PortBuf, 4); //Register Value
tmp = (ushort)IPAddress.NetworkToHostOrder((short)tmp);
if (tmp != CmdRecord.WriteValue[0])
{
return(ModbusRespeonseResult.DataWritenError);
}
result = ModbusRespeonseResult.Writen;
break;
case 16:
if (PortBufQueue.Count < 4)
{
return(ModbusRespeonseResult.None);
}
CMD_LastLoop = 0xff;
bytetmp[0] = PortBufQueue.Dequeue();
bytetmp[1] = PortBufQueue.Dequeue();
tmp = BitConverter.ToUInt16(bytetmp, 0); //Register Address
tmp = (ushort)IPAddress.NetworkToHostOrder((short)tmp);
if (tmp != CmdRecord.Address - 4000)
{
result = ModbusRespeonseResult.RegisterAddressError;
}
bytetmp[0] = PortBufQueue.Dequeue();
bytetmp[1] = PortBufQueue.Dequeue();
tmp = BitConverter.ToUInt16(bytetmp, 0); //Register Address
tmp = (ushort)IPAddress.NetworkToHostOrder((short)tmp);
if (tmp != CmdRecord.Length)
{
result = ModbusRespeonseResult.LenghInconsisten;
}
result = ModbusRespeonseResult.Writen;
break;
default:
result = ModbusRespeonseResult.FunctionCodeError;
break;
}
}
return(result);
}
public ModbusRespeonseResult Response()
{
ModbusRespeonseResult result = ModbusRespeonseResult.None;
this.PortBufcount = this.Port.BytesToRead;
this.PortBuf = new byte[this.PortBufcount];
Port.Read(PortBuf, 0, PortBufcount);
recieved = false;
if (CmdRecord.Enable)
{
if (PortBuf.Length < 3)
{
return(ModbusRespeonseResult.None);
}
if (PortBuf[0] != this.deviceAddress) //设备地址
{
return(ModbusRespeonseResult.None);
}
if (PortBuf[1] != CmdRecord.FunctionCode) //功能码
{
return(ModbusRespeonseResult.FunctionCodeError);
}
switch (PortBuf[1])
{
case 03:
case 04:
int len = PortBuf[2];
if ((CmdRecord.Length << 1) != len) //字节长度
{
return(ModbusRespeonseResult.LenghInconsisten);
}
if (len + 3 > PortBuf.Length)
{
return(ModbusRespeonseResult.LengthError);
}
recieved = true;
ushort[] buffer = new ushort[len >> 1];
ushort tmp;
for (int i = 0; i < buffer.Length; i++)
{
tmp = BitConverter.ToUInt16(PortBuf, 3 + i * 2);
buffer[i] = (ushort)IPAddress.NetworkToHostOrder((short)tmp);
}
this.Buffer.Clear();
this.Buffer.AddRange(buffer);
recieved = true;
result = ModbusRespeonseResult.Recieved;
break;
case 06:
tmp = BitConverter.ToUInt16(PortBuf, 2); //Register Address
tmp = (ushort)IPAddress.NetworkToHostOrder((short)tmp);
if (tmp != CmdRecord.Address)
{
return(ModbusRespeonseResult.RegisterAddressError);
}
tmp = BitConverter.ToUInt16(PortBuf, 4); //Register Value
tmp = (ushort)IPAddress.NetworkToHostOrder((short)tmp);
if (tmp != CmdRecord.WriteValue[0])
{
return(ModbusRespeonseResult.DataWritenError);
}
result = ModbusRespeonseResult.Writen;
break;
default:
result = ModbusRespeonseResult.FunctionCodeError;
break;
}
CmdRecord.Enable = false;
}
return(result);
}
void ReciveHandler(byte[] buffer, ModbusRespeonseResult responseResult)
{
//因为要访问ui资源，所以需要使用invoke方式同步ui。
this.Invoke((EventHandler)(delegate
{
builder.Clear();
//判断是否是显示为16禁止
/*if (checkBoxHexViewR.Checked)
* {
* //依次的拼接出16进制字符串
* foreach (byte b in comt_buf)
* {
* builder.Append(b.ToString("X2") + " ");
* }
* }
* else
* {
* builder.Append(Encoding.ASCII.GetString(comt_buf));//直接按ASCII规则转换成字符串
* }*/
builder.Append(buffer[0].ToString("X2") + " ");
//依次的拼接出16进制字符串
//foreach (byte b in buffer)
//{
//builder.Append(b.ToString("X2") + " ");
//}
//追加的形式添加到文本框末端，并滚动到最后。
this.textBoxRec.AppendText(builder.ToString());
builder.Clear();
//修改接收计数
RecCnt += 1;
this.labelRecCnt.Text = RecCnt.ToString();
//string s2 = Encoding.UTF8.GetString(buffer, 0, 1);
//ShowMsg(s2);
if (responseResult == ModbusRespeonseResult.Recieved)
{
if ((ModbusMaster.CmdRecord.Address >= RelayConfig.RegHeadAddress) &&
(ModbusMaster.CmdRecord.Address <= RelayConfig.RegTailAddress))
{
if (formRelayConfiguration != null)
{
if (!formRelayConfiguration.IsDisposed)
{
formRelayConfiguration.ShowRelayData(ModbusMaster.CmdRecord.Address, ModbusMaster.Buffer.ToArray());
}
}
}
else if ((ModbusMaster.CmdRecord.Address >= RelayConfig.CeilHeadAddress) &&
(ModbusMaster.CmdRecord.Address <= RelayConfig.CeilTailAddress))
{
if (formRelayConfiguration != null)
{
if (!formRelayConfiguration.IsDisposed)
{
formRelayConfiguration.buttonRead_Click(formRelayConfiguration.buttonRead, new EventArgs());
}
}
}
else if ((ModbusMaster.CmdRecord.Address >= SensorConfig.RWHeadAddress) &&
(ModbusMaster.CmdRecord.Address <= SensorConfig.RWTailAddress))
{
if (formSensorConfiguration != null)
{
if (!formSensorConfiguration.IsDisposed)
{
formSensorConfiguration.ShowSensorRWdata(ModbusMaster.CmdRecord.Address, ModbusMaster.Buffer.ToArray());
}
}
}
else if ((ModbusMaster.CmdRecord.Address >= SensorConfig.ROHeadAddress) &&
(ModbusMaster.CmdRecord.Address <= SensorConfig.ROTailAddress))
{
if (formSensorConfiguration != null)
{
if (!formSensorConfiguration.IsDisposed)
{
formSensorConfiguration.ShowSensorROdata(ModbusMaster.Buffer.ToArray());
}
}
}
else if ((ModbusMaster.CmdRecord.Address >= SystemConfig.HeadAddress) &&
(ModbusMaster.CmdRecord.Address <= SystemConfig.TailAddress))
{
SystemConfig1.SetValue(ModbusMaster.Buffer.ToArray());
this.textBoxAddressACU.Text = SystemConfig1.AddressACU.ToString();
this.textBoxSensorTotalNum.Text = SystemConfig1.SensorTotalNum.ToString();
this.comboBoxWorkMode.SelectedIndex = SystemConfig1.WorkMode;
this.textBoxUpLoadPeriod.Text = SystemConfig1.UploadPeriod.ToString();
this.comboBoxRS485SensorBaud.SelectedIndex = SystemConfig1.RS485SensorBaud;
this.comboBoxRS485ExtendBaud.SelectedIndex = SystemConfig1.RS485ExtendBaud;
this.textBoxRS485ExtendAddress.Text = SystemConfig1.RS485ExtendAddress.ToString();
this.comboBoxRS485_4GBaud.SelectedIndex = SystemConfig1.Rs485_4GBaud;
toolStripStatusLabel1.Text = "读取成功";
}
}
else if (responseResult == ModbusRespeonseResult.Writen)
{
if ((ModbusMaster.CmdRecord.Address >= RelayConfig.RegHeadAddress) &&
(ModbusMaster.CmdRecord.Address <= RelayConfig.RegTailAddress))
{
if (formRelayConfiguration != null)
{
if (!formRelayConfiguration.IsDisposed)
{
formRelayConfiguration.timer1.Stop();
formRelayConfiguration.toolStripStatusLabel1.Text = "写入成功";
}
}
}
else if ((ModbusMaster.CmdRecord.Address >= SensorConfig.RWHeadAddress) &&
(ModbusMaster.CmdRecord.Address <= SensorConfig.RWTailAddress))
{
if (formSensorConfiguration != null)
{
if (!formSensorConfiguration.IsDisposed)
{
formSensorConfiguration.timer1.Stop();
formSensorConfiguration.toolStripStatusLabel1.Text = "写入成功";
}
}
}
else if ((ModbusMaster.CmdRecord.Address >= SystemConfig.HeadAddress) &&
(ModbusMaster.CmdRecord.Address <= SystemConfig.TailAddress))
{
toolStripStatusLabel1.Text = "写入成功";
}
}
if (ModbusCmdTime.CompareTo(new DateTime(2000, 1, 1, 0, 0, 0)) != 0)
{
TimeSpan ts = DateTime.Now - ModbusCmdTime;
if (ts.Milliseconds > MODBUS_RESPONSE_TIME_MAX_MM)
{
ModbusCmdTime = new DateTime(2000, 1, 1, 0, 0, 0);
toolStripStatusLabel1.Text = "响应超时";
}
}
}));
}
