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📄 form1.frm

📁 VB开发的串口通信源码。对端口速度、奇偶校验、停止位等都可以设置。用于串口通信的开发
💻 FRM
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VERSION 5.00
Object = "{648A5603-2C6E-101B-82B6-000000000014}#1.1#0"; "MSCOMM32.OCX"
Begin VB.Form Form1 
   BackColor       =   &H80000004&
   Caption         =   "COM COMM"
   ClientHeight    =   6720
   ClientLeft      =   45
   ClientTop       =   -45
   ClientWidth     =   6825
   BeginProperty Font 
      Name            =   "楷体_GB2312"
      Size            =   14.25
      Charset         =   134
      Weight          =   700
      Underline       =   0   'False
      Italic          =   0   'False
      Strikethrough   =   0   'False
   EndProperty
   Icon            =   "Form1.frx":0000
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   ScaleHeight     =   6720
   ScaleWidth      =   6825
   StartUpPosition =   1  '所有者中心
   Begin VB.CommandButton Command9 
      Caption         =   "Clear"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   390
      Left            =   5175
      TabIndex        =   18
      Top             =   4650
      Width           =   915
   End
   Begin VB.CommandButton Command8 
      Caption         =   "PORT ON"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   390
      Left            =   5025
      TabIndex        =   17
      Top             =   6075
      Width           =   990
   End
   Begin VB.CommandButton Command7 
      Caption         =   "PORT OFF"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   390
      Left            =   4050
      TabIndex        =   16
      Top             =   6075
      Width           =   915
   End
   Begin VB.CommandButton Command6 
      Caption         =   "S AND R"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   465
      Left            =   1350
      TabIndex        =   15
      Top             =   5400
      Width           =   1065
   End
   Begin VB.CommandButton Command5 
      Caption         =   "SEND"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   465
      Left            =   300
      TabIndex        =   14
      Top             =   5400
      Width           =   915
   End
   Begin VB.Timer Timer1 
      Interval        =   100
      Left            =   5400
      Top             =   6150
   End
   Begin VB.CommandButton Command4 
      BackColor       =   &H8000000A&
      Caption         =   "OFFLINE"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   480
      Left            =   1350
      MousePointer    =   99  'Custom
      Style           =   1  'Graphical
      TabIndex        =   12
      ToolTipText     =   "关闭端口"
      Top             =   6000
      Width           =   1050
   End
   Begin VB.TextBox Text1 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   285
      Left            =   1860
      TabIndex        =   10
      Top             =   900
      Width           =   4695
   End
   Begin VB.CommandButton Command3 
      Caption         =   "SETUP"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   480
      Left            =   2550
      MousePointer    =   99  'Custom
      Style           =   1  'Graphical
      TabIndex        =   4
      Top             =   5400
      Width           =   1140
   End
   Begin VB.CommandButton Command2 
      BackColor       =   &H8000000A&
      Caption         =   "EXIT"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   480
      Left            =   2550
      MousePointer    =   99  'Custom
      Style           =   1  'Graphical
      TabIndex        =   3
      Top             =   6000
      Width           =   1125
   End
   Begin MSCommLib.MSComm MSComm1 
      Left            =   6000
      Top             =   5700
      _ExtentX        =   1005
      _ExtentY        =   1005
      _Version        =   393216
      DTREnable       =   -1  'True
      BaudRate        =   2400
      ParitySetting   =   2
      DataBits        =   7
   End
   Begin VB.TextBox Text4 
      BackColor       =   &H0080FFFF&
      BeginProperty Font 
         Name            =   "黑体"
         Size            =   13.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H00FF0000&
      Height          =   3675
      Left            =   120
      MultiLine       =   -1  'True
      ScrollBars      =   2  'Vertical
      TabIndex        =   2
      Top             =   1380
      Width           =   6555
   End
   Begin VB.CommandButton Command1 
      BackColor       =   &H8000000A&
      Caption         =   "Receive"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   480
      Left            =   300
      MousePointer    =   99  'Custom
      Style           =   1  'Graphical
      TabIndex        =   1
      Top             =   6000
      Width           =   900
   End
   Begin VB.Label Label8 
      Alignment       =   2  'Center
      AutoSize        =   -1  'True
      BackStyle       =   0  'Transparent
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H000000FF&
      Height          =   210
      Left            =   4125
      TabIndex        =   13
      Top             =   5100
      Width           =   120
   End
   Begin VB.Label Label7 
      AutoSize        =   -1  'True
      BackStyle       =   0  'Transparent
      Caption         =   "SAVEFILE PATH"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H000000FF&
      Height          =   240
      Left            =   150
      TabIndex        =   11
      Top             =   900
      Width           =   1560
   End
   Begin VB.Label Label6 
      AutoSize        =   -1  'True
      BackStyle       =   0  'Transparent
      Caption         =   "Label6"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   210
      Left            =   4350
      TabIndex        =   9
      Top             =   450
      Width           =   630
   End
   Begin VB.Label Label5 
      AutoSize        =   -1  'True
      BackColor       =   &H00FF00FF&
      BackStyle       =   0  'Transparent
      Caption         =   "FLOW:"
      ForeColor       =   &H000000FF&
      Height          =   285
      Left            =   3420
      TabIndex        =   8
      Top             =   420
      Width           =   825
   End
   Begin VB.Label Label4 
      AutoSize        =   -1  'True
      BackStyle       =   0  'Transparent
      Caption         =   "Label4"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   210
      Left            =   1800
      TabIndex        =   7
      Top             =   525
      Width           =   630
   End
   Begin VB.Label Label3 
      AutoSize        =   -1  'True
      BackColor       =   &H00FF00FF&
      BackStyle       =   0  'Transparent
      Caption         =   "COM PORT:"
      ForeColor       =   &H000000FF&
      Height          =   285
      Left            =   240
      TabIndex        =   6
      Top             =   480
      Width           =   1485
   End
   Begin VB.Label Label2 
      AutoSize        =   -1  'True
      BackStyle       =   0  'Transparent
      Caption         =   "Label2"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   210
      Left            =   1800
      TabIndex        =   5
      Top             =   150
      Width           =   630
   End
   Begin VB.Label Label1 
      AutoSize        =   -1  'True
      BackColor       =   &H00FF00FF&
      BackStyle       =   0  'Transparent
      Caption         =   "SET INFO:"
      ForeColor       =   &H000000FF&
      Height          =   285
      Left            =   240
      TabIndex        =   0
      Top             =   120
      Width           =   1485
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
 Dim Pd As Boolean
 Private Sub Command1_Click()
    Label8.Caption = "Receive..."
    ' 保存输入子串的缓冲区
    Dim Instring As String
    MSComm1.PortOpen = True
    On Error Resume Next
    '轮询数据
    'MsgBox MSComm1.RTSEnable
10   Do
       DoEvents
     Loop Until MSComm1.InBufferCount >= 1
     Instring = MSComm1.Input
     Open Trim(Text1.Text) For Append As #1
      Print #1, Instring
     Close
     Text4 = Text4 + Instring
    GoTo 10
 End Sub

Private Sub Command2_Click()
 If MSComm1.PortOpen = True Then MSComm1.PortOpen = False
 End
End Sub

Private Sub Command3_Click()
frmProperties.Show
End Sub

Private Sub Command4_Click()
  If MSComm1.PortOpen = True Then MSComm1.PortOpen = False: Label8.Caption = "PORT OFF!"
Close All
End Sub

Private Sub Command5_Click()
MSComm1.PortOpen = True
MSComm1.Output = Text4.Text
MSComm1.PortOpen = False
End Sub

Private Sub Command6_Click()
'Text4.Text = ""
MSComm1.PortOpen = True
MSComm1.Output = Text4.Text
    Label8.Caption = "Receive..."

20   Do
       DoEvents
     Loop Until MSComm1.InBufferCount >= 1
     Instring = MSComm1.Input
     Open Trim(Text1.Text) For Append As #2
      Print #2, Instring
     Close
     Text4 = Text4 + Instring
    GoTo 20
MSComm1.PortOpen = False
End Sub

Private Sub Command7_Click()
MSComm1.PortOpen = False


End Sub

Private Sub Command8_Click()

MSComm1.PortOpen = True
End Sub

Private Sub Command9_Click()
Text4.Text = ""
End Sub

Private Sub Form_Load()
 If MSComm1.PortOpen = True Then MSComm1.PortOpen = False
 Me.Show
 Form1.MSComm1.Settings = GetSetting(App.Title, "Properties", "Settings", "9600,e,8,1")
 Label2.Caption = Form1.MSComm1.Settings
 Form1.MSComm1.CommPort = GetSetting(App.Title, "Properties", "CommPort", 1)
 Label4.Caption = Form1.MSComm1.CommPort
 Form1.MSComm1.Handshaking = GetSetting(App.Title, "Properties", "Handshaking", 0)
 Label6.Caption = Form1.MSComm1.Handshaking
 Dim Time0 As String
 Time0 = Trim(CStr(Time))
 If Time0 < "0:10:00" And Time0 > "0:00:00" Then
  Text1.Text = App.Path + "\" + Trim(Str(Year(Date))) + Trim(Str(Month(Date))) + Trim(Str(Day(Date) - 1)) + ".txt"
 Else
  Text1.Text = App.Path + "\" + Trim(Str(Year(Date))) + Trim(Str(Month(Date))) + Trim(Str(Day(Date))) + ".txt"
 End If
 Pd = False
End Sub

Private Sub Form_Unload(Cancel As Integer)
 If MSComm1.PortOpen = True Then MSComm1.PortOpen = False
 End
End Sub

Private Sub Text4_Change()
 Pd = True
End Sub

Private Sub Text4_Click()
Command4_Click
End Sub

Private Sub Timer1_Timer()
 Dim Time0 As String
 Time0 = Trim(CStr(Time))
 If Time0 = "0:10:00" Then
  Text1.Text = App.Path + "\" + Trim(Str(Year(Date))) + Trim(Str(Month(Date))) + Trim(Str(Day(Date))) + ".txt"
 End If
End Sub

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