/// <summary>
/// 串口数据接收事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void serialPort_DataReceivedEventHandler(object sender, SerialDataReceivedEventArgs e)
{
SerialPortIsReceiving = true;
try
{
int n = Com.BytesToRead;
byte[] buf = new byte[n];
Com.Read(buf, 0, n);
//1.缓存数据
buffer.AddRange(buf);
//2.完整性判断
if (buffer.Count == ReceiveDataLen)
{
byte[] readBuffer = new byte[buffer.Count];
buffer.CopyTo(0, readBuffer, 0, buffer.Count);
_Veryfy(ReceiveVerify, ConvertUtilClass.byteTostring(readBuffer));
GC.KeepAlive(readBuffer);
}
GC.KeepAlive(buf);
GC.KeepAlive(buffer);
}
catch (Exception ex)
{
Log.Error(ex.ToString());
}
finally {
SerialPortIsReceiving = false;
}
}
private void convert(object data)
{
try
{
string[] arr = (string[])data;
int id = Convert.ToInt32(arr[0]);
string HexData = arr[1];
int DataLen = Convert.ToInt32(arr[2]);
string Decode = arr[3];
string ss = arr[1].Substring(6, DataLen);
string Value = string.Empty;
switch (Decode)
{
case "FLOAT-0.001":
Value = Convert.ToDouble(Convert.ToInt32(ss, 16) * 0.001).ToString();
break;
case "FLOAT-0.01":
Value = Convert.ToDouble(Convert.ToInt32(ss, 16) * 0.01).ToString();
break;
case "FLOAT-0.1":
Value = Convert.ToDouble(Convert.ToInt32(ss, 16) * 0.1).ToString();
break;
case "INT-10":
Value = (Convert.ToInt32(ss, 16) * 10).ToString();
break;
case "INT":
Value = Convert.ToInt32(ss, 16).ToString();
break;
case "STRING":
Value = ConvertUtilClass.HexToChar(ss);
break;
case "FLOAT-IEEE754":
Value = ConvertUtilClass.HexToFloat(ss).ToString();
break;
default:
Value = (Convert.ToInt32(ss, 16)).ToString();
break;
}
GlobalData.DevicesDataStorage[0][id]["Value"] = Value;
GlobalData.DevicesDataStorage[0][id]["HexData"] = HexData;
GlobalData.DevicesDataStorage[0][id]["RefTime"] = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");//更新时间
}catch (Exception ex)
{
string msg = "数据转存错误：" + ex.ToString();
UIAction.AppendLog(msg);
Log.Fatal(msg);
}
}
//执行优先命令
private void Exec_FirstCommand()
{
bool success = false;
try
{
bool revstate;
Stopwatch sw = new Stopwatch();
long i;
for (int j = 0; j < GlobalData.FirstCommandDictionary.Count; j++)//遍历设备
{
if (!GlobalData.START)
{
start = false;
}
if (!start || !serialport.opened)
{
break;
}
var item = GlobalData.FirstCommandDictionary.ElementAt(j);
int devid = item.Key;
for (int l = 0; l < GlobalData.FirstCommandDictionary[devid].Count; l++)//遍历可写命令
{
var item2 = GlobalData.FirstCommandDictionary[devid].ElementAt(l);
string pramaname = item2.Key;
if (!GlobalData.FirstCommandDictionary[devid].ContainsKey(pramaname))
{
Log.Info(pramaname + ":此设备无此参数"); continue;
}
if (GlobalData.FirstCommandDictionary[devid][pramaname]["Finish"] == "1" || GlobalData.FirstCommandDictionary[devid][pramaname]["Command"].Length == 0)
{
continue; //命令已经完成则下一个
}
if (GlobalData.FirstCommandDictionary[devid][pramaname]["Status"] == "1")
{
if (!string.IsNullOrEmpty(GlobalData.FirstCommandDictionary[devid][pramaname]["SendTime"]))
{
DateTime.TryParse(GlobalData.FirstCommandDictionary[devid][pramaname]["SendTime"], out DateTime sendtime);
TimeSpan timeSpan = DateTime.Now - sendtime;
int.TryParse(GlobalData.FirstCommandDictionary[devid][pramaname]["ErrorWait"], out int errorwait);
if (timeSpan.TotalSeconds > errorwait)
{
GlobalData.FirstCommandDictionary[devid][pramaname]["Status"] = "0";
GlobalData.FirstCommandDictionary[devid][pramaname]["Error"] = "0";
Log.Info("到达错误等待时间:" + GlobalData.FirstCommandDictionary[devid][pramaname]["Command"]);
}
else
{
Thread.Sleep(1);
continue;
}
}
}
revstate = false;
int.TryParse(GlobalData.FirstCommandDictionary[devid][pramaname]["TimeOut"], out int timeout);//接收数据超时时间：毫秒
if (TimeOut != 0)
{
timeout = TimeOut;
}
int.TryParse(GlobalData.FirstCommandDictionary[devid][pramaname]["DataLen"], out int datalen);
serialport.ReceiveDataLen = datalen;
serialport.ReceiveVerify = GlobalData.FirstCommandDictionary[devid][pramaname]["Verify"];//数据验证方法
if (string.Equals(GlobalData.FirstCommandDictionary[devid][pramaname]["Verify"], "HEAD"))
{
serialport.ReceiveHead = GlobalData.FirstCommandDictionary[devid][pramaname]["VerifyFlag"];
serialport.ReceiveVerifyLen = GlobalData.FirstCommandDictionary[devid][pramaname]["VerifyFlag"].Length;
}
GlobalData.FirstCommandDictionary[devid][pramaname]["SendTime"] = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
string command = GlobalData.FirstCommandDictionary[devid][pramaname]["Command"];
byte[] datas = ConvertUtilClass.HexstrToByte(command);
int resend = 0;
RESEND: //重新发送
if (serialport.SendData(datas))
{
//接收数据延时
resend++;
sw.Start();
while (sw.ElapsedMilliseconds < timeout && start)
{
if (serialport.ReceiveFlag)
{
revstate = true;
//接收到正确的数据
GlobalData.FirstCommandDictionary[devid][pramaname]["HexData"] = serialport.ReceiveData;
GlobalData.FirstCommandDictionary[devid][pramaname]["Error"] = "0";
GlobalData.FirstCommandDictionary[devid][pramaname]["Status"] = "0";
GlobalData.FirstCommandDictionary[devid][pramaname]["RecTime"] = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
bool decoderesult = Exec_FirstCommand_DataConvert(command, serialport.ReceiveData, GlobalData.FirstCommandDictionary[devid][pramaname]["Decode"]); //数据解析结果
if (decoderesult) //如果数据解析结果为真则移除此命令
{
SetStatusMsg("设备" + GlobalData.FirstCommandDictionary[devid][pramaname]["Remark"] + "命令正确执行！"); //发送通知
if (GlobalData.FirstCommandDictionary[devid][pramaname]["PramaName"].Length > 0)
{
GlobalData.DevicesDataStorage[0][devid]["Value"] = GlobalData.FirstCommandDictionary[devid][pramaname]["Value"]; //更新值
}
GlobalData.FirstCommandDictionary[devid][pramaname]["Finish"] = "1"; //命令完成
if (GlobalData.FirstCommandCount > 0)
{
GlobalData.FirstCommandCount -= 1; //更新数量
}
}
break;
}
else
{
Thread.Sleep(10);
}
}
i = sw.ElapsedMilliseconds;
sw.Stop();
sw.Reset();
if (revstate == false)
{
if (resend == 1)
{
SetStatusMsg("重新发送");
goto RESEND;//重新发送
}
GlobalData.FirstCommandDictionary[devid][pramaname]["Finish"] = "1";
GlobalData.FirstCommandDictionary[devid][pramaname]["Error"] = "1";//改为错误状态
string Remark = GlobalData.FirstCommandDictionary[devid][pramaname]["Remark"];
SetStatusMsg(Remark + "通讯异常！");
if (GlobalData.FirstCommandCount > 0)
{
GlobalData.FirstCommandCount -= 1; //更新数量
}
}
success = true;
}
else
{
success = false;
break;
}
}
}
success = true;
GC.KeepAlive(success);
GC.KeepAlive(sw);
}
catch (Exception ex)
{
Log.Error("通讯错误:" + ex.ToString());
success = false;
}
finally
{
if (!success)
{
SetStatusMsg("串口异常！");
close_Collect();
}
}
}
private void run_PollingCommand(Dictionary <int, Dictionary <string, string> > polldic)
{
bool revstate = false;
bool success = false;
Stopwatch sw = new Stopwatch();
long i = 0;
for (int j = 0; j < polldic.Count; j++) //for
{
if (!GlobalData.START)
{
start = false;
}
if (!start || !serialport.opened)
{
break;
}
if (GlobalData.FirstCommandCount > 0)//如果有优先命令，那么就先执行
{
Exec_FirstCommand();
}
var item = polldic.ElementAt(j); //for
int count = item.Key;
revstate = false;
try
{
int timeout = GlobalData.TimeOut;//接收数据超时时间：毫秒
if (timeout < 1)
{
timeout = 200;
}
int.TryParse(polldic[count]["DataLen"], out int datalen);
serialport.ReceiveDataLen = (datalen + 10) / 2;
serialport.ReceiveVerify = "CRC16";//数据验证方法
serialport.ReceiveHead = "010302";
serialport.ReceiveVerifyLen = 6;
string command = polldic[count]["Command"];
byte[] datas = ConvertUtilClass.HexstrToByte(command);
if (serialport.SendData(datas))
{
//接收数据延时
sw.Start();
Thread.Sleep(1);
int y = 0;
while (sw.ElapsedMilliseconds < timeout && start)
{
if (serialport.ReceiveFlag)
{
revstate = true;
//接收到正确的数据
polldic[count]["HexData"] = serialport.ReceiveData;
do_DataDecode(count, polldic[count]);//数据解析
break;
}
else
{
Thread.Sleep(1);
}
y++;
}
i = sw.ElapsedMilliseconds;
sw.Stop();
sw.Reset();
if (revstate == false)
{
Log.Error("此命令未收到回应，编号:" + command + ",DataLen:" + polldic[count]["DataLen"]);
}
success = true;
Log.Info("serialport.ReceiveData：" + serialport.ReceiveData);
}
else
{
success = false;
break;
}
}
catch (Exception ex)
{
Log.Error("发送轮询命令错误:" + ex.ToString());
success = false;
}
finally
{
if (!success)
{
SetStatusMsg("串口异常！");
close_Collect();
}
}
}
GC.KeepAlive(sw);
}