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VERSION 5.00
Object = "{648A5603-2C6E-101B-82B6-000000000014}#1.1#0"; "MSCOMM32.OCX"
Begin VB.Form Form1
Caption = "VB串行数据传送（文本）"
ClientHeight = 5040
ClientLeft = 60
ClientTop = 450
ClientWidth = 8700
LinkTopic = "Form1"
ScaleHeight = 5040
ScaleWidth = 8700
StartUpPosition = 3 '窗口缺省
Begin MSCommLib.MSComm Comm1
Left = 8040
Top = 1080
_ExtentX = 1005
_ExtentY = 1005
_Version = 393216
DTREnable = -1 'True
End
Begin VB.CommandButton Comquit
Caption = "退出"
Height = 375
Left = 7560
TabIndex = 9
Top = 120
Width = 975
End
Begin VB.Frame Frame1
Caption = "通讯设置"
Height = 2775
Left = 4680
TabIndex = 8
Top = 1920
Width = 3735
Begin VB.CommandButton Command4
Caption = "修改"
Height = 375
Left = 1200
TabIndex = 13
Top = 2160
Width = 1215
End
Begin VB.ComboBox Verify_combo
Height = 300
Left = 2280
TabIndex = 12
Text = "N,无校验"
Top = 1680
Width = 975
End
Begin VB.ComboBox Baud_combo
Height = 300
Left = 2280
TabIndex = 11
Text = "9600"
Top = 960
Width = 975
End
Begin VB.ComboBox Port_combo
Height = 300
Left = 2280
TabIndex = 10
Text = "1"
Top = 360
Width = 975
End
Begin VB.Label Label14
Caption = "Label14"
Height = 255
Left = 960
TabIndex = 23
Top = 1680
Width = 975
End
Begin VB.Label Label13
Caption = "Label13"
Height = 255
Left = 960
TabIndex = 22
Top = 960
Width = 735
End
Begin VB.Label Label12
Caption = "Label12"
Height = 255
Left = 960
TabIndex = 21
Top = 360
Width = 615
End
Begin VB.Label Label11
Caption = "校验方式"
Height = 255
Left = 120
TabIndex = 20
Top = 1680
Width = 735
End
Begin VB.Label Label10
Caption = "波特率"
Height = 255
Left = 240
TabIndex = 19
Top = 960
Width = 735
End
Begin VB.Label Label9
Caption = "串口号"
Height = 255
Left = 240
TabIndex = 18
Top = 360
Width = 735
End
End
Begin VB.CommandButton ComClear
Caption = "清空接收数据区"
Height = 375
Left = 2880
TabIndex = 6
Top = 1440
Width = 1695
End
Begin VB.CommandButton ComSend
Caption = "发送"
Height = 375
Left = 2880
TabIndex = 5
Top = 960
Width = 1695
End
Begin VB.TextBox TextSend
Height = 375
Left = 240
TabIndex = 3
Text = "Text1"
Top = 960
Width = 2415
End
Begin VB.ListBox List1
Height = 2760
Left = 240
TabIndex = 1
Top = 1920
Width = 3855
End
Begin VB.Label Label8
AutoSize = -1 'True
Caption = "Label8"
Height = 180
Left = 6600
TabIndex = 17
Top = 1440
Width = 540
End
Begin VB.Label Label7
AutoSize = -1 'True
Caption = "Label7"
Height = 180
Left = 6600
TabIndex = 16
Top = 1080
Width = 540
End
Begin VB.Label Label6
AutoSize = -1 'True
Caption = "已接收数据个数:"
Height = 180
Left = 5160
TabIndex = 15
Top = 1440
Width = 1350
End
Begin VB.Label Label5
AutoSize = -1 'True
Caption = "已发送数据个数:"
Height = 180
Left = 5160
TabIndex = 14
Top = 1080
Width = 1350
End
Begin VB.Label Label4
AutoSize = -1 'True
Caption = "模拟接收到的数据"
Height = 180
Left = 240
TabIndex = 7
Top = 1680
Width = 1440
End
Begin VB.Label Label3
AutoSize = -1 'True
Caption = "输入要发送的数据:"
Height = 180
Left = 240
TabIndex = 4
Top = 720
Width = 1530
End
Begin VB.Label Label2
AutoSize = -1 'True
Caption = "张望 070120041"
BeginProperty Font
Name = "宋体"
Size = 12
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 315
Left = 3000
TabIndex = 2
Top = 480
Width = 1770
End
Begin VB.Label Label1
AutoSize = -1 'True
Caption = "VB串行数据传送实验（文本方式）"
BeginProperty Font
Name = "宋体"
Size = 15.75
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 420
Left = 120
TabIndex = 0
Top = 120
Width = 4815
End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Dim Sj(300) As Integer
Dim Nrece As Integer
Sub Port_init()
Dim Port_no As Integer
Dim Baud_rate As String
Dim Verify As String '
Dim Temp As String '
On Error GoTo Port_error '
Nrece = 0
If Comm1.PortOpen = True Then Comm1.PortOpen = False
Open "G:\ComSet.TXT" For Input As #1
Input #1, Port_no
Label12.Caption = Port_no
Input #1, Baud_rate
Label13.Caption = Baud_rate
Line Input #1, Verify
Label14.Caption = Verify
Comm1.CommPort = Port_no
Temp = Baud_rate & "," & Left(Verify, 1) + ",8,1"
Comm1.Settings = Temp
Close #1
If Comm1.PortOpen = False Then Comm1.PortOpen = True
Exit Sub
Port_error:
If Comm1.PortOpen = True Then Comm1.PortOpen = False
MsgBox ("选择的串口通讯错误！")
Command4.Caption = "确认"
Port_combo.Enabled = True
Baud_combo.Enabled = True
Verify_combo.Enabled = True
End Sub
Sub Comset()
Label12.Caption = Port_combo.Text
Label13.Caption = Baud_combo.Text
Label14.Caption = Verify_combo.Text
Open "G:\ComSet.txt" For Output As #1
Print #1, Label12.Caption
Print #1, Label13.Caption
Print #1, Label14.Caption
Close #1
Call Port_init
End Sub
Sub Delay(Ti)
Dim T1, De
T1 = Timer
Do While Timer - T1 < Ti
De = DoEvents()
Loop
End Sub
Private Sub ComClear_Click()
Nrece = 0
Label8.Caption = Nrece
List1.Clear
End Sub
Private Sub Command4_Click()
If Command4.Caption = "修改" Then
Command4.Caption = "确认"
Port_combo.Enabled = True
Baud_combo.Enabled = True
Verify_combo.Enabled = True
Else
Command4.Caption = "修改"
Port_combo.Enabled = False
Baud_combo.Enabled = False
Verify_combo.Enabled = False
Call Comset
End If
End Sub
Private Sub ComSend_Click()
Dim N As Integer, I As Integer
Frame1.Enabled = False
N = Len(TextSend.Text)
For I = 1 To N
Comm1.Output = Mid(TextSend.Text, I, 1)
Call Delay(0.01)
Next I
Frame1.Enabled = True
End Sub
Private Sub Comm1_OnComm()
Dim Buf$
Select Case Comm1.CommEvent
Case comEvReceive
Do While (Comm1.InBufferCount > 0)
Buf = Comm1.Input
Nrece = Nrece + 1
If Nrece > 256 Then
Nrece = 1
List1.Clear
End If
Label8.Caption = Nrece
Sj(Nrece) = Val(Buf)
List1.AddItem Buf
Loop
End Select
Form1.Refresh
End Sub
Private Sub Comquit_Click()
End
End Sub
Private Sub Form_Load()
Call Port_init
End Sub
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