我编写了一个C＃代码，它将函数（1-9）发送到微控制器，控制器将通过RS232（SERIAL PORT）将数据发送回我的计算机。我唯一的问题是我希望通过发送功能（1-9）并自动从控制器接收它来实现自动化。通过这样做，我使用了for循环，但它只显示从上一个函数发送的数据，函数9。但是，我希望它显示所有数据接收。如何显示控制器发回的所有收到的数据？有什么建议吗？
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO.Ports;
using System.Timers;
using System.IO;
using System.Net;
using System.Threading;
namespace SMCData
{
public partial class Form1 : Form
{
SerialPort _serialPort = new SerialPort();
public Form1()
{
InitializeComponent();
_serialPort.DataReceived += new SerialDataReceivedEventHandler(DataRecivedHandler);
}
private void Form1_Load(object sender, EventArgs e)
{
foreach (string s in SerialPort.GetPortNames())
{
comport.Items.Add(s);
}
}
// settup connection
void setport()
{
//checking if Baud_Rate_txt is blank
string temp1 = Baud_Rate_txt.Text;
if (temp1 == "")
{
_serialPort.BaudRate = 9600;
}
else
{
_serialPort.BaudRate = int.Parse(Baud_Rate_txt.Text);
}
/* if (comport.SelectedIndex == -1)
{
ErrorBox.Text = " Need Com Port name";
return;
} */
_serialPort.PortName = comport.Text;//comport.SelectedItem.ToString();
_serialPort.DataBits = 8;
_serialPort.ReadTimeout = 500;
_serialPort.WriteTimeout = 500;
_serialPort.RtsEnable = true;
_serialPort.DtrEnable = true;
switch (HandshakeCB.Text)
{
case "None":
_serialPort.Handshake = Handshake.None;
break;
case "XOnXOff":
_serialPort.DtrEnable = true;
_serialPort.Handshake = Handshake.XOnXOff;
break;
}
switch (Parity_CB.Text)
{
case "None":
_serialPort.Parity = Parity.None;
break;
case "Even":
_serialPort.Parity = Parity.Even;
break;
case "Odd":
_serialPort.Parity = Parity.Odd;
break;
}
// Looks for user input on the desired Stop Bits of Application
switch (StopBitsCB.Text)
{
case "1":
_serialPort.StopBits = StopBits.One;
break;
case "2":
_serialPort.StopBits = StopBits.Two;
break;
case "None":
_serialPort.StopBits = StopBits.None;
break;
}
try
{
_serialPort.Open();
}
catch (UnauthorizedAccessException ex)
{
errorbox.Text = ex.Message + System.Environment.NewLine;
}
}
//Data Receive Fucntion
private void DataRecivedHandler(object sender, SerialDataReceivedEventArgs e)
{
SerialPort sp = (SerialPort)sender;
int temp2;
string data;
int temp =sp.BytesToRead;
byte[] array = new byte[temp];
temp2 = sp.Read(array, 0, temp);
if (this.DataRecived.InvokeRequired)
{
DataRecived.BeginInvoke((Action)(() =>
{
data = Encoding.Default.GetString(array) ;
processdata(data);
DataRecived.Text = DataRecived.Text + data + System.Environment.NewLine;
}));
}
}
private void Dispose(RichTextBox dataRecived)
{
throw new NotImplementedException();
}
private void sendBLN_Click(object sender, EventArgs e)
{
// byte[] array_out = Encoding.ASCII.GetBytes(SendTXT.Text);
//_serialPort.Write(array_out, 0, array_out.Length);
// byte[] array_out2 = new byte[1];
//array_out2[0] = 0xD; //Encoding.ASCII.GetBytes("\r");
// byte[] array_out3 = { 141 };
//_serialPort.Write(array_out2, 0, array_out2.Length);
// _serialPort.Write(array_out3, 0, array_out3.Length);
//automate the process by sending 1,2,3,etc
for (int i = 0; i < 10; i++)
{
string c = Convert.ToString(i);
byte[] array_out = Encoding.ASCII.GetBytes(c); //convert i to the right variable type;
_serialPort.Write(array_out, 0, array_out.Length);
byte[] array_out2 = new byte[1];
array_out2[0] = 0xD;
_serialPort.Write(array_out2, 0, array_out2.Length);
//print what you receive
}
}
private void Refresh_btn_Click(object sender, EventArgs e)
{
foreach (string s in SerialPort.GetPortNames())
{
comport.Items.Remove(s);
}
foreach (string s in SerialPort.GetPortNames())
{
comport.Items.Add(s);
}
}
private void Connectbtn_Click(object sender, EventArgs e)
{
try
{
if (!_serialPort.IsOpen)
errorbox.Text = errorbox.Text + "Connected..." + System.Environment.NewLine;
setport();
}
catch (Exception ex )
{
errorbox.Text = errorbox.Text + ex.Message + System.Environment.NewLine;
}
}
private void button1_Click(object sender, EventArgs e)
{
}
private void button1_Click_1(object sender, EventArgs e)
{
_serialPort.Close();
errorbox.Text = " Disconnect";
}
private void button2_Click(object sender, EventArgs e)
{
DataRecived.Text = " ";
errorbox.Text = " ";
}
private void DataRecived_TextChanged(object sender, EventArgs e)
{
}
void processdata(string data)
{
if (data.Contains("No Action") == true)
{
return;
}
else if (data.Contains("Array Volt") == true)
{
string[] temp = data.Split('=');
temp[1].Trim('\r');
}
}
private void button3_Click(object sender, EventArgs e)
{
byte[] array_out2 = new byte[1];
array_out2 = Encoding.ASCII.GetBytes("\r");
_serialPort.Write(array_out2, 0, array_out2.Length);
}
private void SendTXT_TextChanged(object sender, EventArgs e)
{
}
private void comport_SelectedIndexChanged(object sender, EventArgs e)
{
}
}
}