基本上，我被赋予了从前一个学生继续的任务。我有几个传感器可以检测实验室的温度、湿度和亮度。这些来自传感器的数据需要传输到协调器。我能够调试程序，但无法达到 GUI 中显示的结果。读数值无法传输。以下是前一个学生给出的代码，他们能够实现它。
可能是什么问题呢？？我怀疑它可能是串行端口问题。
Imports System
Imports System.Data
Imports System.Data.OleDb
Imports System.Data.SqlClient
Imports System.Windows.Forms.DataGridView
Public Class frmGUI
Dim FromSerialPort
Dim dSet As New DataSet
Dim COORDINATOR0 = 0
Dim strData(0 To 1)
Dim data As String
Dim count As Integer = 0
Dim number As Integer
Dim data2 As String
Dim x As Integer = 0
Dim txt1 As Integer = 0
Dim txt2 As Integer = 0
Dim txt3 As Integer = 0
Dim txt4 As Integer = 0
Dim hour As String = 0
Dim min As String = 0
Dim sec As String = 0
Dim hour2 As String = 0
Dim min2 As String = 0
Dim sec2 As String = 0
Dim LumVal1 As Integer
Delegate Sub SetTextCallback(ByVal [text] As String)
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
If SerialPort1.IsOpen Then
SerialPort1.Close()
End If
System.Diagnostics.Process.Start(My.Application.Info.DirectoryPath & "\Welcome.vbs")
strData(0) = "ZED02"
TSSL1.Text = Format(Now, "Short Date")
TSSL2.Text = "Welcome"
TSSL3.Text = Format(Now, "Long Time")
PictureBox1.Image = System.Drawing.Bitmap.FromFile( _
My.Application.Info.DirectoryPath & "\Capture.PNG")
txtCOM.Focus()
End Sub
Private Sub ExitToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ExitToolStripMenuItem.Click
Dim intResponse As Integer
intResponse = MsgBox(" Are u sure u want to QUIT ??!!", vbYesNo + vbExclamation, "Quit")
If intResponse = vbYes Then
End
End If
End Sub
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles myTimer.Tick
TSSL3.Text = Format(Now, "Long Time")
End Sub
Private Sub Timer2_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles myTimer.Tick
If count = 1 Then
sec = sec + 1
If sec = 10 Then
sec = 0
sec2 = sec2 + 1
If sec2 = 6 Then
sec2 = 0
min = min + 1
If min = 10 Then
min = 0
min2 = min2 + 1
If min2 = 6 Then
min2 = 0
hour = hour + 1
If hour = 10 Then
hour = 0
hour2 = 1
If hour = 4 And hour2 = 2 Then
hour = 0
hour2 = 0
End If
End If
End If
End If
End If
End If
TSSL2.Text = ("Connected : " + hour2 + hour + ":" + min2 + min + ":" + sec2 + sec)
End If
End Sub
Private Sub btnConnect_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnConnect.Click
If txtCOM.Text = "" Then
'MsgBox("Please enter a COM port value", vbOKOnly & vbExclamation, "Error")
txtCOM.Text = "34"
Else
count = count + 1
End If
If (count = 1) Then
System.Diagnostics.Process.Start(My.Application.Info.DirectoryPath & "\Connected.vbs")
txtCOM.Enabled = False
If SerialPort1.IsOpen Then
SerialPort1.Close()
End If
SerialPort1.PortName = "COM" & txtCOM.Text ' for the coordinator
SerialPort1.BaudRate = 38400
SerialPort1.Parity = System.IO.Ports.Parity.None
SerialPort1.DataBits = 8
SerialPort1.StopBits = System.IO.Ports.StopBits.One
SerialPort1.RtsEnable = True
SerialPort1.Open()
hour = 0
min = 0
sec = 0
hour2 = 0
min2 = 0
sec2 = 0
lbl1.Text = " Reading Data . . ."
TextBox5.Text &= "Connected at: " + Format(Now, "Short Time") + vbNewLine + vbNewLine
btnConnect.Text = "Disconnect"
End If
If count = 2 Then
System.Diagnostics.Process.Start(My.Application.Info.DirectoryPath & "\Disconnected.vbs")
txtCOM.Enabled = True
count = 0
btnConnect.Text = " Connect "
SerialPort1.Close() 'Close our Serial Port
lbl1.Text = " Not Connected "
TSSL2.Text = "Disconnected"
TextBox5.Text &= "Disconnected at: " + Format(Now, "Short Time") + vbNewLine + vbNewLine
End If
End Sub
Private Sub ReceivedText(ByVal [text] As String)
If Me.TextBox5.InvokeRequired Then
Dim x As New SetTextCallback(AddressOf ReceivedText)
Me.Invoke(x, New Object() {(text)})
Else
data &= [text]
If InStr(data, "Data not received") Then
data = ""
TextBox5.Text = "Data lost" + vbNewLine
End If
If InStr(data, "Lab Location: S.429") Then
If InStr(data, "TemperatureValue:") Then
If InStr(data, "Humidityvalue:") Then
If InStr(data, "LuminosityValue:") Then
txt1 = 1
txt2 = 0
txt3 = 0
txt4 = 0
data2 = data
End If
End If
End If
End If
If InStr(data, "Lab Location: S.434") Then
If InStr(data, "Temperaturevalue:") Then
If InStr(data, "HumidityValue:") Then
If InStr(data, "LuminosityValue:") Then
txt2 = 1
txt1 = 0
txt3 = 0
txt4 = 0
data2 = data
End If
End If
End If
End If
If InStr(data, "Lab Location: S.439") Then
If InStr(data, "TemperatureValue:") Then
If InStr(data, "HumidityValue:") Then
If InStr(data, "LuminosityValue:") Then
txt3 = 1
txt1 = 0
txt2 = 0
txt4 = 0
data2 = data
End If
End If
End If
End If
If InStr(data, "Lab Location: S.449") Then
If InStr(data, "TemperatureValue:") Then
If InStr(data, "HumidityValue:") Then
If InStr(data, "LuminosityValue:") Then
txt4 = 1
txt1 = 0
txt2 = 0
txt3 = 0
data2 = data
End If
End If
End If
End If
If txt1 = 1 Then
TextBox1.Text &= data2
TextBox5.Text &= "Data received from S.429 at: " + Format(Now, "Short Time") + vbNewLine + vbNewLine
System.Diagnostics.Process.Start(My.Application.Info.DirectoryPath & "\data429.vbs")
txt1 = txt1 + 1
If txt1 = 2 Then
txt1 = 0
data = ""
End If
End If
If txt2 = 1 Then
TextBox2.Text &= data2
TextBox5.Text &= "Data received from S.434 at: " + Format(Now, "Short Time") + vbNewLine + vbNewLine
System.Diagnostics.Process.Start(My.Application.Info.DirectoryPath & "\data434.vbs")
txt2 = txt2 + 1
If txt2 = 2 Then
txt2 = 0
data = ""
End If
End If
If txt3 = 1 Then
TextBox3.Text &= data2
TextBox5.Text &= "Data received from S.439 at: " + Format(Now, "Short Time") + vbNewLine + vbNewLine
System.Diagnostics.Process.Start(My.Application.Info.DirectoryPath & "\data439.vbs")
txt3 = txt3 + 1
If txt3 = 2 Then
txt3 = 0
data = ""
End If
End If
If txt4 = 1 Then
TextBox4.Text &= data2
TextBox5.Text &= "Data received from S.449 at: " + Format(Now, "Short Time") + vbNewLine + vbNewLine
System.Diagnostics.Process.Start(My.Application.Info.DirectoryPath & "\data449.vbs")
txt4 = txt4 + 1
If txt4 = 2 Then
txt4 = 0
data = ""
End If
End If
End If
End Sub
Private Sub TextBox1ToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
TextBox1.Clear()
End Sub
Private Sub TextBox2ToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
TextBox2.Clear()
End Sub
Private Sub TextBox3ToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
TextBox3.Clear()
End Sub
Private Sub TextBox4ToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
TextBox4.Clear()
End Sub
Private Sub TextBox5ToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
TextBox5.Clear()
End Sub
Private Sub AllToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
TextBox1.Clear()
TextBox2.Clear()
TextBox3.Clear()
TextBox4.Clear()
TextBox5.Clear()
End Sub
Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged
TextBox1.Select(TextBox1.Text.Length, 0)
TextBox1.ScrollToCaret()
End Sub
Private Sub TextBox2_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox2.TextChanged
TextBox2.Select(TextBox2.Text.Length, 0)
TextBox2.ScrollToCaret()
End Sub
Private Sub TextBox3_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox3.TextChanged
TextBox3.Select(TextBox3.Text.Length, 0)
TextBox3.ScrollToCaret()
End Sub
Private Sub TextBox4_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox4.TextChanged
TextBox4.Select(TextBox4.Text.Length, 0)
TextBox4.ScrollToCaret()
End Sub
Private Sub TextBox5_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox5.TextChanged
TextBox5.Select(TextBox5.Text.Length, 0)
TextBox5.ScrollToCaret()
End Sub
Private Sub S429ToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles S429ToolStripMenuItem.Click
TextBox1.Clear()
End Sub
Private Sub SToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles SToolStripMenuItem.Click
TextBox2.Clear()
End Sub
Private Sub S439ToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles S439ToolStripMenuItem.Click
TextBox3.Clear()
End Sub
Private Sub S449ToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles S449ToolStripMenuItem.Click
TextBox4.Clear()
End Sub
Private Sub BackLogToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BackLogToolStripMenuItem.Click
TextBox5.Clear()
End Sub
Private Sub AllToolStripMenuItem1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles AllToolStripMenuItem1.Click
TextBox1.Clear()
TextBox2.Clear()
TextBox3.Clear()
TextBox4.Clear()
TextBox5.Clear()
End Sub
Private Sub AboutToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles AboutToolStripMenuItem.Click
MsgBox(" NYP SMART LAB " + vbNewLine + " By: Daniel and Mikaris ", vbQuestion, " About ")
End Sub
Private Sub HowToReadValuesToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles HowToReadValuesToolStripMenuItem.Click
MsgBox("Temperature value < 26*C = Aircon is on" + vbNewLine + "Luminosity value > 1 = Lights are on" + vbNewLine, vbQuestion, "How to read values")
End Sub
End Class