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i've tried searching the forum and they told me the error is refering to threading but i did not use threading in my codes.. my codes are shown below :
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using ZedGraph;
using System.IO.Ports;
using System.Diagnostics;
namespace ZedGraphSample
{
public partial class Form1 : Form
{
int counter = 0;
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
CreateGraph(zg1);
SetSize();
}
private void CreateGraph(ZedGraphControl zgc)
{
GraphPane myPane = zgc.GraphPane;
// Set the titles and axis labels
myPane.Title.Text = "Waspmote Accelerometer Linegraph";
myPane.XAxis.Title.Text = "Time/Secs";
myPane.YAxis.Title.Text = "Acceleroemter Value";
myPane.XAxis.Scale.Min = -0.5;
myPane.XAxis.Scale.Max = 10.5;
myPane.XAxis.Scale.MinorStep = 1;
myPane.XAxis.Scale.MajorStep = 1;
myPane.YAxis.Scale.Min = -3100;
myPane.YAxis.Scale.Max = 3100;
myPane.XAxis.Scale.MinorStep = 50;
myPane.YAxis.Scale.MajorStep = 500;
myPane.XAxis.Scale.MaxGrace = 1.0;
myPane.AddCurve("X Axis", null, Color.Blue, SymbolType.Circle);
myPane.AddCurve("Y Axis", null, Color.Red, SymbolType.Diamond);
myPane.AddCurve("Z Axis", null, Color.Green, SymbolType.Square);
zgc.AxisChange();
clearGraph();
}
private void SetSize()
{
/*
zg1.Location = new Point( 10, 10 );
// Leave a small margin around the outside of the control
zg1.Size = new Size( this.ClientRectangle.Width - 20, this.ClientRectangle.Height - 20 );
GraphPane myPane = zg1.GraphPane;
zg1.Size = new Size(myPane.CurveList[0].Points.Count * 50, this.ClientRectangle.Height - 20);
*/
}
//private void button1_Click(object sender, EventArgs e)
//{
// clearGraph();
//}
private void clearGraph()
{
GraphPane myPane = zg1.GraphPane;
myPane.CurveList[0].Clear();
myPane.CurveList[1].Clear();
myPane.CurveList[2].Clear();
panel1.Refresh();
}
//private void button4_Click(object sender, EventArgs e)
//{
// if (counter == 11)
// {
// clearGraph();
// counter = 0;
// }
// counter++;
// GraphPane myPane = zg1.GraphPane;
// Random rmd = new Random();
// for (int i = 0; i < 3; i++)
// {
// double y = rmd.NextDouble() * 3000;
// int a = rmd.Next(0, 2);
// //Random neg or pos value
// if (a == 1)
// {
// y *= -1.0;
// }
// PointPair point = new PointPair(counter - 1, y);
// myPane.CurveList[i].AddPoint(point);
// }
// // Calculate the Axis Scale Ranges
// zg1.AxisChange();
// panel1.Refresh();
//}
private void addPostion(double y, int index)
{
GraphPane myPane = zg1.GraphPane;
PointPair point = new PointPair(counter - 1, y);
myPane.CurveList[index].AddPoint(point);
zg1.AxisChange();
panel1.Refresh();
}
SerialPort serialPort = new SerialPort();
string OutputToShow = "";
List<byte> BufferByte = new List<byte>();
bool GotHeaderBefore = false;
private void btnStart_Click(object sender, EventArgs e)
{
if (serialPort.IsOpen)
serialPort.Close();
try
{
{
//To set all the parameters for Serial Comm
serialPort.PortName = "COM4";
serialPort.BaudRate = int.Parse("38400");
serialPort.Parity = Parity.None;
serialPort.DataBits = 8;
serialPort.StopBits = StopBits.One;
serialPort.Encoding = System.Text.Encoding.ASCII;
//add event handler
serialPort.DataReceived += new SerialDataReceivedEventHandler(GotRawData);
}
//Open the selected Com Port
serialPort.Open();
//To show that Com Port is Opened
//txtboxOutput.AppendText(DateTime.Now.ToString("hh:mm:ss tt") + " - COM14 is opened." + Environment.NewLine);
//txtboxOutput.ScrollToEnd();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message.ToString());
}
}
void GotRawData(object sender, SerialDataReceivedEventArgs e)
{
byte[] DataInBytes = new byte[serialPort.BytesToRead];
serialPort.Read(DataInBytes, 0, DataInBytes.Length);
Debug.WriteLine(DataInBytes[0]);
// If equals to '7E' (our header)
if ((DataInBytes.Length > 0) && (DataInBytes[0] != 126))
{
if (GotHeaderBefore == true)
{
// Extract buffer stuff
byte[] FinalBytes = BufferByte.ToArray();
// Split data between commas
string[] OutputArray = System.Text.ASCIIEncoding.ASCII.GetString(FinalBytes).Split(',');
// Do the DeeBee magic, baby!
if (OutputArray.Length > 3)
{
if (counter == 11)
{
clearGraph();
counter = 0;
}
counter++;
// Do DAL
TalkToDB(OutputArray);
//The act of printing on-screen
myDelegate z = new myDelegate(PrintData);
// txtboxOutput.Dispatcher.Invoke(z, new object[] { });
}
// Clear buffer
OutputArray = null;
BufferByte.Clear();
BufferByte = new List<byte>();
}
GotHeaderBefore = true;
}
// Add to buffer
foreach (byte ByteMe in DataInBytes)
{
BufferByte.Add(ByteMe);
}
}
void TalkToDB(string[] OutputArray)
{
// Cleanup the array elements
int StartPosition = 0;
char[] FindStart = OutputArray[0].ToCharArray();
// Settle the 'common' packet details
DateTime DateTimeChecked = DateTime.Now;
string PanID = OutputArray[1].ToString();
string MacAddress = OutputArray[2].ToString();
// INSERT all sensor readings
for (int q = 2; q < 6; q++)
{
string SensorType = OutputArray[q].Split('=')[0];
decimal SensorValue = decimal.Parse(OutputArray[q].Split('=')[1]);
OutputToShow = OutputToShow + SensorType + "=" + SensorValue + ", ";
addPostion((float)SensorValue, q-2);
}
OutputToShow = OutputToShow + Environment.NewLine;
Debug.WriteLine(OutputToShow);
}
// declare some variable needed
delegate void SetTextDeleg(string TextAlignment);
delegate void myDelegate();
private void PrintData()
{
//txtboxOutput.AppendText(OutputToShow);
// txtboxOutput.ScrollToEnd();
OutputToShow = "";
}
private void btnStop_Click(object sender, EventArgs e)
{
try
{
serialPort.Close();
// txtboxOutput.AppendText(DateTime.Now.ToString("hh:mm:ss tt") + "- COM14 is Closed." + Environment.NewLine);
// txtboxOutput.ScrollToEnd();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message.ToString());
}
}
}
}
can anybody provide help on this error ? thanks !
Edited by WingedPanther, 23 November 2011 - 07:00 AM.
add code tags (the # button)
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