質問編集履歴
2
コード全文を記載
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@@ -5,9 +5,34 @@
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受信イベントが発生しません。
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### 該当のソースコード
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Form1.cs
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```C#
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.IO.Ports;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace _232CTest
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{
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public partial class Form1 : Form
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{
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string[] ports;
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string DELIMITER = "\r\n";
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public Form1()
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{
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InitializeComponent();
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}
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private void Form1_Load(object sender, EventArgs e)
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{
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ports = SerialPort.GetPortNames();
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serialPort1.PortName = "COM4";
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serialPort1.BaudRate = 9600;
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serialPort1.DataBits = 8;
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serialPort1.StopBits = System.IO.Ports.StopBits.One;
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serialPort1.RtsEnable = true;
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serialPort1.Handshake = Handshake.None;
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serialPort1.ReceivedBytesThreshold = 1;
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try
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{
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if(serialPort1.IsOpen == true) { return; }
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serialPort1.Open();
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}
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catch(Exception ex) { MessageBox.Show(ex.Message); }
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if(serialPort1.IsOpen == true)
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{
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serialPort1.NewLine = DELIMITER;
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try { serialPort1.WriteLine("sousin"); }
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catch (Exception ex) { MessageBox.Show(ex.Message); }
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}
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}
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private void SerialPort1_DataReceived(object sender, SerialDataReceivedEventArgs e)
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{
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string strDataReceived = "";
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try { strDataReceived = serialPort1.ReadExisting(); }
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@@ -28,8 +69,88 @@
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MessageBox.Show(strDataReceived);
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}
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}
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private void SerialPort1_ErrorReceived(object sender, SerialErrorReceivedEventArgs e)
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{
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MessageBox.Show("error");
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}
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private void button1_Click(object sender, EventArgs e)
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{
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MessageBox.Show(serialPort1.ReadExisting());
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}
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}
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}
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```
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Form1.Designercs
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```C#
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namespace _232CTest
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{
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partial class Form1
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{
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/// <summary>
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/// 必要なデザイナー変数です。
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/// </summary>
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private System.ComponentModel.IContainer components = null;
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/// <summary>
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/// 使用中のリソースをすべてクリーンアップします。
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/// </summary>
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/// <param name="disposing">マネージド リソースを破棄する場合は true を指定し、その他の場合は false を指定します。</param>
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protected override void Dispose(bool disposing)
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{
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if (disposing && (components != null))
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{
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components.Dispose();
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}
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base.Dispose(disposing);
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}
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#region Windows フォーム デザイナーで生成されたコード
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/// <summary>
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/// デザイナー サポートに必要なメソッドです。このメソッドの内容を
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/// コード エディターで変更しないでください。
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/// </summary>
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private void InitializeComponent()
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{
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this.components = new System.ComponentModel.Container();
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this.serialPort1 = new System.IO.Ports.SerialPort(this.components);
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this.button1 = new System.Windows.Forms.Button();
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this.SuspendLayout();
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//
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// button1
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//
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this.button1.Location = new System.Drawing.Point(111, 66);
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this.button1.Name = "button1";
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this.button1.Size = new System.Drawing.Size(88, 60);
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this.button1.TabIndex = 0;
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this.button1.Text = "button1";
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this.button1.UseVisualStyleBackColor = true;
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this.button1.Click += new System.EventHandler(this.button1_Click);
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//
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// Form1
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//
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this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 15F);
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this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
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this.ClientSize = new System.Drawing.Size(800, 450);
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this.Controls.Add(this.button1);
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this.Name = "Form1";
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this.Text = "Form1";
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this.Load += new System.EventHandler(this.Form1_Load);
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this.ResumeLayout(false);
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}
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#endregion
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private System.IO.Ports.SerialPort serialPort1;
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private System.Windows.Forms.Button button1;
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}
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}
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```
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154
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### 試したこと
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34
155
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35
156
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別のPCのSeristerというソフトとUSBシリアルを使い通信確認。
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1
コードを挿入に修正
title
CHANGED
|
File without changes
|
body
CHANGED
|
@@ -6,28 +6,29 @@
|
|
|
6
6
|
|
|
7
7
|
### 該当のソースコード
|
|
8
8
|
設定と受信イベント部
|
|
9
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+
```C#
|
|
9
10
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10
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-
serialPort1.PortName = "COM4";
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11
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-
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serialPort1.BaudRate = 9600;
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12
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-
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serialPort1.DataBits = 8;
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serialPort1.StopBits = System.IO.Ports.StopBits.One;
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serialPort1.Parity = System.IO.Ports.Parity.None;
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serialPort1.DtrEnable = true;
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serialPort1.RtsEnable = true;
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serialPort1.Handshake = Handshake.None;
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serialPort1.ReceivedBytesThreshold = 1;
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private void SerialPort1_DataReceived(object sender, SerialDataReceivedEventArgs e)
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{
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string strDataReceived = "";
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try { strDataReceived = serialPort1.ReadExisting(); }
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catch (Exception ex) { MessageBox.Show(ex.Message); }
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if(serialPort1.IsOpen == true)
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{
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string strDataReceived = "";
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try { strDataReceived = serialPort1.ReadExisting(); }
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catch (Exception ex) { MessageBox.Show(ex.Message); }
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if(serialPort1.IsOpen == true)
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{
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serialPort1.Close();
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MessageBox.Show(strDataReceived);
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-
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}
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-
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}
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```
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### 試したこと
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