serailport数据发送接收？

[water_zym]

小弟是个新手，请高手帮忙解答下我的疑惑：

如果我使用com1口进行数据的发送，那在com1口中能取到发送的数据、还是com1口发数据com2口接收数据？

这个问题我一直没有搞明白。

[water_zym]

楼上发的什么东西？

[flyerwing]

public class SPReadEventArgs:EventArgs
{
private string msg = "";
public string Msg
{
get
{
return msg;
}
set
{
msg = value;
}
}
}
public delegate void SPReadedHandler(object sender,SPReadEventArgs e);
public class SerialPortOfMine
{
public SerialPortOfMine()
{
this.Start();
}
private System.IO.Ports.SerialPort sp = new System.IO.Ports.SerialPort();
public System.IO.Ports.SerialPort GetSp
{
get
{
return sp;
}
set
{
sp = value;
}
}
private System.Threading.Thread thd_sp = null;
public System.Threading.Thread GetThd_sp
{
get
{
return thd_sp;
}
set
{
thd_sp = value;
}
}
private bool state_sp = false;
public bool State_sp
{
get
{
return state_sp;
}
set
{
state_sp = value;
}
}
private string encoding_sp = "gb2312";
public string Encoding_sp
{
get
{
return encoding_sp;
}
set
{
encoding_sp = value;
}
}
private bool state = false;
public bool State
{
get
{
return state;
}
}
public void Start()
{
thd_sp = new System.Threading.Thread(new System.Threading.ThreadStart(this.Initialize));
thd_sp.Start();
}
private void Initialize()
{
state = true;
sp.PortName ="com1";
sp.BaudRate = 9600;
sp.DataBits = 8;
sp.StopBits = System.IO.Ports.StopBits.One;
sp.Parity = System.IO.Ports.Parity.None;
sp.ReadTimeout = 6000;
sp.Encoding = System.Text.Encoding.GetEncoding(this.encoding_sp);
try
{
sp.Open();
this.state_sp = true;
while (state)
{
if (sp.IsOpen == false)
{
state = false;
break;
}
else
{
string str = sp.ReadExisting();
System.Threading.Thread.Sleep(300);
if (str.Length > 0)
{
SPReadEventArgs ea = new SPReadEventArgs();
ea.Msg = str ;
SPReceivedData = new SPReadedHandler(this, ea);
}
else
{
SPReadEventArgs ea = new SPReadEventArgs();
ea.Msg = "没有数据也要促发此事件!";
this.SPReceivedData(this, ea);
//SPReceivedData = new SPReadedHandler(this, ea);
}
}
}
}
catch (System.Exception ept)
{
throw new System.Exception("开启串口出现异常:"+ept.Message);
}
finally
{
sp.Close();
this.state_sp = false;
thd_sp.Abort();
}
}
private void Stop()
{
sp.Close();
state_sp = false;
thd_sp.Abort();
}
public event SPReadedHandler SPReceivedData;
}
SerialPortOfMine sp = new SerialPortOfMine();
sp.SPReceivedData += new SPReadedHandler(this.alert);
private void alert(object sender,SPReadEventArgs e)
{
MessageBox.Show(e.Msg);
}
看这个成不？我菜鸟，没地方试。不知道能不能用。

[water_zym]

楼上的，我看了你的程序代码，麻烦能给点注释出来吗？

[hero7750]

串口有一个发送缓冲区和一个接收缓冲区，你要调试的话可以下载一个虚拟串口vspm

[flyerwing]

哪个应该不用注释的，我也不知道你用的上。
那个是串口的。