C#,通过串口获取错误的值 [英] C#, getting wrong value via serial port
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问题描述
我想要做的是,通过按下它上面的按钮从我的mk获取字符串数据,但是我的c#程序,它的一些随机数字(图片已附加)。
http://imgur.com/a/79Pbm
什么我试过了:
例如我想收到5,但我收到650683而不是它。在mk方面一切正常,我用模拟器检查它,所以问题在于c#代码。再次感谢。
What im trying to do, is get string data from my mk by pushing a button on it, but what im gettin on my c# program, its some random numbers(picture is attached).
http://imgur.com/a/79Pbm
What I have tried:
For example i want to receive "5", but i receive "650683" instead of it. On the mk side everything is working, i checked it with Emulator, so the problem is on c# code. Thanks in further.
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;
namespace WindowsFormsApplication8
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e) // Here i send a byte to MK
{
var dataByte = new byte[] { 0x00 };
serialPort1.Write(dataByte, 0, 1);
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
}
private void button2_Click(object sender, EventArgs e) // choosing a right com port
{
serialPort1.PortName = textBox1.Text;
serialPort1.BaudRate = Convert.ToInt32(textBox2.Text);
}
int rs;
private void serialPort1_DataReceived(object sender, SerialDataReceivedEventArgs e) // Data Receive Handler
{
try
{
rs = serialPort1.ReadByte();
this.Invoke(new EventHandler(type));
}
catch (System.TimeoutException) { }
}
void type(object s,EventArgs e) // receive data
{
textBox4.Text += rs.ToString();
}
private void button3_Click(object sender, EventArgs e) // OPen port
{
serialPort1.Open();
}
private void button4_Click(object sender, EventArgs e) // Close port
{
serialPort1.Close();
}
}
}
推荐答案
你可以查看
机器控制器 [ ^ ]
它是关于VB中的串行和并行端口,但可以通过C#用作DLL或甚至转换为C#
you could have a look on
Machine Controller[^]
It is about serial and Parallel Port in VB but could uses as DLL via C# or even converted to C#
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