public string[] GetCommPortSetForParameter(string key)
{
string portSetString = System.Configuration.ConfigurationManager.AppSettings[key].ToString();
string[] portSetArray = portSetString.Split(';');
HexCon hexCon = new HexCon();
for (int i = 0; i < portSetArray.Length; i++)
{
if (portSetArray[i].Length != 0)
{
switch (portSetArray[i].Split('=')[0].ToString())
{
case "PortNum":
portSetArray[i] = portSetArray[i].Split('=')[1].ToString();
break;
case "BaudRate":
portSetArray[i] = portSetArray[i].Split('=')[1].ToString();
break;
case "DataBits":
portSetArray[i] = portSetArray[i].Split('=')[1].ToString();
break;
case "Parity":
portSetArray[i] = portSetArray[i].Split('=')[1].ToString();
break;
case "StopBits":
portSetArray[i] = portSetArray[i].Split('=')[1].ToString();
break;
case "IsEnabled":
portSetArray[i] = portSetArray[i].Split('=')[1].ToString();
break;
}
}
}
this.ReadTimeout = 100;
return(portSetArray);
}
/// <summary>
/// 通过串口接收下位机上传的采集数据报文（串口已经打开）
/// </summary>
/// <param name="commport"> 已打开的接收报文信息的串口</param>
/// <returns>PosID 接收成功：返回收到的采集信息
/// 接收失败：返回null </returns>
public static byte[] ReceiveMessage(CommPort commport)
{
//串口已打开
int NumBytes;
HexCon hexcon = new HexCon();
NumBytes = 124;
byte[] RecBuf = new byte[124];
//获得当前系统时间
System.DateTime Start_Time = new System.DateTime();
Start_Time = System.DateTime.Now;
while (true)
{
System.DateTime Now_Time = new System.DateTime();
Now_Time = System.DateTime.Now;
//传输时间大于20秒则传输失败
TimeSpan Space_Time = Now_Time.Subtract(Start_Time);
if (Space_Time.Seconds > 20)
{
return(null);
}
else
{
//读串口数据到RecBuf
try
{
//接收下位机上传的采集数据报文，将其从byte型转换为string类型(十六进制)并返回
RecBuf = commport.Read(NumBytes);
return(RecBuf);
}
catch
{
return(null);
}
}
}
}
/// <summary>
/// 获取配置文件中当前端口设置
/// </summary>
/// <param></param>
/// <returns>当前端口设置</returns>
public CommPort GetCommPortSet(string key)
{
string portNum = "COM1";
string parity = "无";
string stopBits = "1";
string portSetString = System.Configuration.ConfigurationManager.AppSettings[key].ToString();
string[] portSetArray = portSetString.Split(';');
HexCon hexCon = new HexCon();
for (int i = 0; i < portSetArray.Length; i++)
{
if (portSetArray[i].Length != 0)
{
switch (portSetArray[i].Split('=')[0].ToString())
{
case "PortNum":
portNum = portSetArray[i].Split('=')[1].ToString();
break;
case "BaudRate":
this.BaudRate = Convert.ToInt32(portSetArray[i].Split('=')[1]);
break;
case "DataBits":
this.ByteSize = hexCon.StringToByte("0" + portSetArray[i].Split('=')[1].ToString())[0];
break;
case "Parity":
parity = portSetArray[i].Split('=')[1].ToString();
break;
case "StopBits":
stopBits = portSetArray[i].Split('=')[1].ToString();
break;
case "IsEnabled":
this.IsEnabled = portSetArray[i].Split('=')[1].ToString().ToLower() == "true" ? true : false;
break;
}
this.PortNum = int.Parse(portNum.Substring(3));
//switch (portNum.ToUpper())
//{
// case "COM1":
// this.PortNum = 1;
// break;
// case "COM2":
// this.PortNum = 2;
// break;
// case "COM3":
// this.PortNum = 3;
// break;
// case "COM4":
// this.PortNum = 4;
// break;
//}
switch (parity)
{
case "无":
this.Parity = 0;
break;
case "奇":
this.Parity = 1;
break;
case "偶":
this.Parity = 2;
break;
case "标志":
this.Parity = 3;
break;
case "空格":
this.Parity = 4;
break;
}
switch (stopBits)
{
case "1":
this.StopBits = 0;
break;
case "1.5":
this.StopBits = 1;
break;
case "2":
this.StopBits = 2;
break;
}
}
}
this.ReadTimeout = 100;
return(this);
}
