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私はarduinoのシリアルポートに接続され、デバイスが送信するデータを受信するプログラムを書いていますが、このセクションのVisual StudioでSerialPort Cでデータを読む＃
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.IO;
using System.IO.Ports;
using System.Windows.Forms;
using System.Windows.Forms.DataVisualization.Charting;
using port.dbDataSetTableAdapters;
namespace Factory_Performance
{
public partial class FrmMain : Form
{
string s;
Series series = new Series();
SerialPort ComPort = new SerialPort();
internal delegate void SerialDataReceivedEventHandlerDelegate(object sender, SerialDataReceivedEventArgs e);
internal delegate void SerialPinChangedEventHandlerDelegate(object sender, SerialPinChangedEventArgs e);
private SerialPinChangedEventHandler SerialPinChangedEventHandler1;
delegate void SetTextCallback(int ReadByte);
int InputData = 0;
private int CountData;
private string StrData;
double[] Values;
public FrmMain()
{
InitializeComponent();
SerialPinChangedEventHandler1 = new SerialPinChangedEventHandler(PinChanged);
ComPort.DataReceived += new System.IO.Ports.SerialDataReceivedEventHandler(port_DataReceived_1);
}
private double calculate_input(int s2, int s3)
{
return double.Parse(s2.ToString() + "/" + s3.ToString());
}
private void GetAllIDInDB()
{
tblIDTableAdapter.Fill(dbDataSet.TblID);
CmbID.Items.Clear();
for (int i = 0; i < dbDataSet.TblID.Rows.Count; i++)
CmbID.Items.Add(dbDataSet.TblID.Rows[i]["ID"].ToString());
}
private void GetAllID_DetailsInDB(int ID)
{
tblID_DetailsTableAdapter.FillByID(dbDataSet.TblID_Details, ID);
LstItems.Items.Clear();
for (int i = 0; i < dbDataSet.TblID_Details.Rows.Count; i++)
LstItems.Items.Add(dbDataSet.TblID_Details.Rows[i]["Value"].ToString());
}
private void GetInfoPorts()
{
try
{
string[] ArrayComPortsNames = null;
int index = -1;
string ComPortName = null;
cboPorts.Items.Clear();
cboBaudRate.Items.Clear();
cboStopBits.Items.Clear();
cboParity.Items.Clear();
cboHandShaking.Items.Clear();
//Com Ports
ArrayComPortsNames = SerialPort.GetPortNames();
do
{
index += 1;
cboPorts.Items.Add(ArrayComPortsNames[index]);
} while (!((ArrayComPortsNames[index] == ComPortName) || (index == ArrayComPortsNames.GetUpperBound(0))));
Array.Sort(ArrayComPortsNames);
if (index == ArrayComPortsNames.GetUpperBound(0))
{
ComPortName = ArrayComPortsNames[0];
}
//get first item print in text
cboPorts.Text = ArrayComPortsNames[0];
//Baud Rate
cboBaudRate.Items.Add(115200);
cboBaudRate.Items.Add(300);
cboBaudRate.Items.Add(600);
cboBaudRate.Items.Add(1200);
cboBaudRate.Items.Add(2400);
cboBaudRate.Items.Add(9600);
cboBaudRate.Items.Add(14400);
cboBaudRate.Items.Add(19200);
cboBaudRate.Items.Add(38400);
cboBaudRate.Items.Add(57600);
cboBaudRate.Items.ToString();
//get first item print in text
cboBaudRate.Text = cboBaudRate.Items[0].ToString();
//Data Bits
cboDataBits.Items.Add(8);
cboDataBits.Items.Add(7);
//get the first item print it in the text
cboDataBits.Text = cboDataBits.Items[0].ToString();
//Stop Bits
cboStopBits.Items.Add("One");
cboStopBits.Items.Add("OnePointFive");
cboStopBits.Items.Add("Two");
//get the first item print in the text
cboStopBits.Text = cboStopBits.Items[0].ToString();
//Parity
cboParity.Items.Add("None");
cboParity.Items.Add("Even");
cboParity.Items.Add("Mark");
cboParity.Items.Add("Odd");
cboParity.Items.Add("Space");
//get the first item print in the text
cboParity.Text = cboParity.Items[0].ToString();
//Handshake
cboHandShaking.Items.Add("XOnXOff");
cboHandShaking.Items.Add("None");
cboHandShaking.Items.Add("RequestToSend");
cboHandShaking.Items.Add("RequestToSendXOnXOff");
//get the first item print it in the text
cboHandShaking.Text = cboHandShaking.Items[0].ToString();
}
catch
{
MessageBox.Show("خطا در گرفتن اطلاعات پورت");
}
}
private void port_DataReceived_1(object sender, SerialDataReceivedEventArgs e)
{
InputData = ComPort.ReadByte();
if (InputData != 0)
{
s= Convert.ToString(Convert.ToChar(InputData));
this.BeginInvoke(new SetTextCallback(SetText), new object[] { InputData });
label12.Text =Convert.ToString(s);
}
}
private void SetText(int ReadByte)
{
this.LstGetInfo.Items.Add(ReadByte);
}
internal void PinChanged(object sender, SerialPinChangedEventArgs e)
{
}
private void button1_Click(object sender, EventArgs e)
{
Values = new double[CountData];
for (int i = 0; i < CountData; i++)
Values[i] = (int)StrData[i];
Array.Reverse(Values);
chart1.Titles.Clear();
chart1.Titles.Add(TxtTitle.Text);
chart1.Series.Clear();
series.Points.Clear();
for (int i = 0; i < CountData; i++)
series.Points.AddXY(TxtTitleSeries.Text + " " + i.ToString(), Values[i]);
chart1.Series.Add(series);
}
private void groupBox1_Enter(object sender, EventArgs e)
{
}
private void button2_Click(object sender, EventArgs e)
{
Application.Exit();
}
private void button3_Click(object sender, EventArgs e)
{
}
private void CmbPalette_SelectedIndexChanged(object sender, EventArgs e)
{
chart1.Palette = (ChartColorPalette)CmbPalette.SelectedIndex;
}
private void CmbChartType_SelectedIndexChanged(object sender, EventArgs e)
{
series.ChartType = (SeriesChartType)CmbChartType.SelectedIndex;
}
private void FrmMain_Load(object sender, EventArgs e)
{
// TODO: This line of code loads data into the 'dbDataSet.TblID_Details' table. You can move, or remove it, as needed.
this.tblID_DetailsTableAdapter.Fill(this.dbDataSet.TblID_Details);
// TODO: This line of code loads data into the 'dbDataSet.TblID' table. You can move, or remove it, as needed.
this.tblIDTableAdapter.Fill(this.dbDataSet.TblID);
GetInfoPorts();
CmbPalette.SelectedIndex = 1;
CmbChartType.SelectedIndex = 4;
CountData = 0;
}
private void button3_Click_1(object sender, EventArgs e)
{
}
private void button4_Click(object sender, EventArgs e)
{
}
private void button3_Click_2(object sender, EventArgs e)
{
}
private void button4_Click_1(object sender, EventArgs e)
{
/* if (openFileDialog1.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
FileStream fs = new FileStream(openFileDialog1.FileName, FileMode.Open, FileAccess.Read);
StreamReader sr = new StreamReader(fs);
TxtPath.Text = openFileDialog1.FileName;
string[] StrInfo = sr.ReadToEnd().Split(',');
int[] Values2 = new int[StrInfo.Length - 4];
for (int i = 0; i < StrInfo.Length-4; i++)
Values2[i] = int.Parse(StrInfo[i+4]);
string StrTemp = "";
foreach (int n in Values2)
StrTemp += (char)n;
CountData = StrTemp.Length;
StrData = StrTemp;
Values = new int[CountData];
for (int i = 0; i < CountData; i++)
Values[i] = (int)StrData[i];
//Array.Reverse(Values);
chart2.Palette = (ChartColorPalette)int.Parse(StrInfo[2]);
series.ChartType = (SeriesChartType)int.Parse(StrInfo[3]);
chart2.Titles.Clear();
chart2.Titles.Add(StrInfo[0]);
chart2.Series.Clear();
series.Points.Clear();
for (int i = 0; i < CountData; i++)
series.Points.AddXY(StrInfo[1] + " " + i.ToString(), Values[i]);
chart2.Series.Add(series);
StrTemp = "";
Array.Reverse(Values2);
foreach (int n in Values2)
StrTemp += (char)n;
TxtDateRecovery.Text = DecryptStringAES(StrTemp, TxtKeyDecrypt.Text);
}*/
}
private void btnGetSerialPorts_Click(object sender, EventArgs e)
{
GetInfoPorts();
}
private void btnPortState_Click(object sender, EventArgs e)
{
try
{
if (btnPortState.Text == "ارتباط با دستگاه")
{
btnPortState.Text = "قطع ارتباط با دستگاه";
ComPort.PortName = Convert.ToString(cboPorts.Text);
ComPort.BaudRate = Convert.ToInt32(cboBaudRate.Text);
ComPort.DataBits = Convert.ToInt16(cboDataBits.Text);
ComPort.StopBits = (StopBits)Enum.Parse(typeof(StopBits), cboStopBits.Text);
ComPort.Handshake = (Handshake)Enum.Parse(typeof(Handshake), cboHandShaking.Text);
ComPort.Parity = (Parity)Enum.Parse(typeof(Parity), cboParity.Text);
ComPort.Open();
ComPort.Write("A");// کاراکتر شروع انجام عملیات ارسال داده
LstGetInfo.Items.Clear();
}
else if (btnPortState.Text == "قطع ارتباط با دستگاه")
{
btnPortState.Text = "ارتباط با دستگاه";
ComPort.Close();
}
}
catch
{
btnPortState.Text = "ارتباط با دستگاه";
ComPort.Close();
MessageBox.Show("خطا در انجام عملیات");
}
}
private void button1_Click_1(object sender, EventArgs e)
{
if(LstGetInfo.Items.Count <= 0) return;
int ItemCount = int.Parse(LstGetInfo.Items[0].ToString());
int ItemIDCount = 0;
int ItemID = 0;
int ItemValue1 = 0, ItemValue2 = 0;
TblIDTableAdapter tblid = new TblIDTableAdapter();
TblID_DetailsTableAdapter tblid_details = new TblID_DetailsTableAdapter();
tblid.DeleteAllID();
LstGetInfo.Items.RemoveAt(0);
for (int i = 0; i < ItemCount; i++)
{
ItemID = int.Parse(LstGetInfo.Items[0].ToString());
LstGetInfo.Items.RemoveAt(0);
tblid.Insert(ItemID);
if (LstGetInfo.Items.Count > 0)
{
ItemIDCount = int.Parse(LstGetInfo.Items[0].ToString());
LstGetInfo.Items.RemoveAt(0);
for (int j = 0; j < ItemIDCount; j += 2)
{
ItemValue1 = int.Parse(LstGetInfo.Items[0].ToString());
LstGetInfo.Items.RemoveAt(0);
ItemValue2 = int.Parse(LstGetInfo.Items[0].ToString());
LstGetInfo.Items.RemoveAt(0);
tblid_details.Insert(ItemID, calculate_input(ItemValue1, ItemValue2));
}
}
}
GetAllIDInDB();
}
private void CmbID_SelectedIndexChanged(object sender, EventArgs e)
{
GetAllID_DetailsInDB(int.Parse(CmbID.Text));
if (LstItems.Items.Count > 0)
ShowChart();
}
private void CmbPalette_SelectedIndexChanged_1(object sender, EventArgs e)
{
chart1.Palette = (ChartColorPalette)CmbPalette.SelectedIndex;
}
private void CmbChartType_SelectedIndexChanged_1(object sender, EventArgs e)
{
series.ChartType = (SeriesChartType)CmbChartType.SelectedIndex;
}
private void ShowChart()
{
CountData = LstItems.Items.Count;
Values = new double[CountData];
for (int i = 0; i < CountData; i++)
Values[i] = double.Parse(LstItems.Items[i].ToString());
chart1.Titles.Clear();
chart1.Titles.Add(TxtTitle.Text);
chart1.Series.Clear();
series.Points.Clear();
int Step = 0;
for (int i = 0; i < CountData; i++, Step +=10)
series.Points.AddXY(TxtTitleSeries.Text + " " + Step.ToString(), Values[i]);
chart1.Series.Add(series);
}
private void button3_Click_3(object sender, EventArgs e)
{
GetAllIDInDB();
}
}
}
は、この問題を持っているか、いない、私はそれが
if (InputData != 0)
{
s= Convert.ToString(Convert.ToChar(InputData));
this.BeginInvoke(new SetTextCallback(SetText), new object[] { InputData });
label12.Text =Convert.ToString(s);
}
}
すべてのボディのために何が起こったのか理解できないエラーを取得しますか？
エラー：
An unhandled exception of type 'System.InvalidOperationException' occurred in System.Windows.Forms.dll
Additional information: Cross-thread operation not valid: Control 'label12' accessed from a thread other than the thread it was created on
「System.InvalidOperationException」種類のエラースタックトレースしてください – Sergii
未処理の例外がのSystem.Windows.Forms.dll で発生しました追加情報を追加作成されたスレッド以外のスレッドからアクセスされる「label12」 –