VERSION 5.00
Object = "{648A5603-2C6E-101B-82B6-000000000014}#1.1#0"; "MSCOMM32.OCX"
Begin VB.Form MainForm 
   Caption         =   "REMOTE ACCES Sample"
   ClientHeight    =   5055
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   11175
   LinkTopic       =   "Form1"
   ScaleHeight     =   337
   ScaleMode       =   3  'Pixel
   ScaleWidth      =   745
   StartUpPosition =   3  'Windows Default
   Begin VB.Timer InTime 
      Enabled         =   0   'False
      Interval        =   100
      Left            =   8160
      Top             =   120
   End
   Begin VB.TextBox ReceivedMemo 
      BeginProperty Font 
         Name            =   "Courier New"
         Size            =   9.75
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   2775
      Left            =   2280
      MultiLine       =   -1  'True
      ScrollBars      =   3  'Both
      TabIndex        =   15
      Top             =   2160
      Width           =   8775
   End
   Begin VB.TextBox SentMemo 
      BeginProperty Font 
         Name            =   "Courier New"
         Size            =   9.75
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   2775
      Left            =   120
      MultiLine       =   -1  'True
      ScrollBars      =   3  'Both
      TabIndex        =   14
      Top             =   2160
      Width           =   2055
   End
   Begin VB.CommandButton HelpButton 
      Caption         =   "Help"
      Height          =   375
      Left            =   9480
      TabIndex        =   12
      Top             =   840
      Width           =   1575
   End
   Begin VB.CommandButton FirmButton 
      Caption         =   "Firmware Revision"
      Height          =   375
      Left            =   7800
      TabIndex        =   11
      Top             =   840
      Width           =   1575
   End
   Begin VB.CommandButton GreetButton 
      Caption         =   "Greeting"
      Height          =   375
      Left            =   6120
      TabIndex        =   10
      Top             =   840
      Width           =   1575
   End
   Begin VB.CommandButton ResendButton 
      Caption         =   "Resend"
      Height          =   375
      Left            =   4440
      TabIndex        =   9
      Top             =   840
      Width           =   1575
   End
   Begin VB.CommandButton SendButton 
      Caption         =   "Send"
      Height          =   375
      Left            =   2280
      TabIndex        =   8
      Top             =   840
      Width           =   735
   End
   Begin VB.TextBox SendEdit 
      Height          =   315
      Left            =   120
      TabIndex        =   7
      Top             =   840
      Width           =   2055
   End
   Begin VB.CommandButton ConnectButton 
      Caption         =   "Connect"
      Height          =   375
      Left            =   9240
      TabIndex        =   6
      Top             =   120
      Width           =   1575
   End
   Begin VB.TextBox PortEdit 
      Height          =   315
      Left            =   6120
      TabIndex        =   5
      Text            =   "5"
      Top             =   120
      Width           =   495
   End
   Begin VB.CommandButton BaudButton 
      Caption         =   "28800"
      Height          =   375
      Index           =   1
      Left            =   3360
      TabIndex        =   3
      Top             =   120
      Width           =   1095
   End
   Begin VB.CommandButton BaudButton 
      Caption         =   "9600"
      Height          =   375
      Index           =   0
      Left            =   2160
      TabIndex        =   2
      Top             =   120
      Width           =   1095
   End
   Begin MSCommLib.MSComm Commo 
      Left            =   3480
      Top             =   720
      _ExtentX        =   1005
      _ExtentY        =   1005
      _Version        =   393216
      CommPort        =   5
      DTREnable       =   -1  'True
      RThreshold      =   1
      ParitySetting   =   2
      DataBits        =   7
   End
   Begin VB.Label SyncLabel 
      Caption         =   "This sample inserts ellipses(...) for synchronization purposes. These are not actually transmitted or received."
      Height          =   255
      Left            =   120
      TabIndex        =   17
      Top             =   1440
      Width           =   10935
   End
   Begin VB.Label ReceivedLabel 
      Alignment       =   2  'Center
      Caption         =   "Received"
      Height          =   375
      Left            =   2280
      TabIndex        =   16
      Top             =   1770
      Width           =   8775
   End
   Begin VB.Label SentLabel 
      Alignment       =   2  'Center
      Caption         =   "Sent"
      Height          =   375
      Left            =   120
      TabIndex        =   13
      Top             =   1770
      Width           =   2055
   End
   Begin VB.Label PortLabel 
      Alignment       =   1  'Right Justify
      Caption         =   "COM Port:"
      Height          =   375
      Left            =   4560
      TabIndex        =   4
      Top             =   120
      Width           =   1455
   End
   Begin VB.Label BaudStatic 
      Alignment       =   2  'Center
      BorderStyle     =   1  'Fixed Single
      Caption         =   "9600"
      Height          =   255
      Left            =   1320
      TabIndex        =   1
      Top             =   180
      Width           =   735
   End
   Begin VB.Label BaudLabel 
      Alignment       =   1  'Right Justify
      Caption         =   "Baud rate:"
      Height          =   375
      Left            =   120
      TabIndex        =   0
      Top             =   120
      Width           =   1095
   End
End
Attribute VB_Name = "MainForm"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit

Dim ExpectingLine As Boolean
Dim InLin As String

Private Sub BaudButton_Click(Index As Integer)
Dim BaudStr As String
Dim Timeout As Long

BaudStr = BaudButton(Index).Caption
If Commo.PortOpen Then
    Select Case BaudStr
    Case "1200"
        SendCommand "BAUD=000"
    Case "2400"
        SendCommand "BAUD=111"
    Case "4800"
        SendCommand "BAUD=222"
    Case "9600"
        SendCommand "BAUD=333"
    Case "14400"
        SendCommand "BAUD=444"
    Case "19200"
        SendCommand "BAUD=555"
    Case "28800"
        SendCommand "BAUD=666"
    Case "57600"
        SendCommand "BAUD=777"
    Case Else
        Exit Sub
    End Select
    'Wait for incoming signal or until .1s have passed
    Timeout = Timer
    Do
      DoEvents
    Loop Until (Not ExpectingLine) Or Abs(Timer - Timeout) > 0.1

    Commo.Settings = BaudStr + ",e,7,1"
End If
BaudStatic.Caption = BaudStr
End Sub

Private Sub Commo_OnComm()
Dim I As Integer
If Commo.CommEvent = comEvReceive Then
    InTime.Enabled = False
    InLin = InLin + Commo.Input
    Do
        I = InStr(InLin, vbCr)
        If I = 0 Then
            If InLin <> "" Then InTime.Enabled = True
            Exit Do
        End If
        ReceivedMemo.Text = ReceivedMemo.Text + Left$(InLin, I - 1) + vbCrLf
        InLin = Mid$(InLin, I + 1)
        ReceivedMemo.SelStart = Len(ReceivedMemo.Text)
        If ExpectingLine Then
            ExpectingLine = False
        Else
            SentMemo.Text = SentMemo.Text + "..." + vbCrLf
            SentMemo.SelStart = Len(SentMemo.Text)
        End If
    Loop
End If
End Sub

Private Sub ConnectButton_Click()
Static DoDisconnect As Boolean
On Error Resume Next
If DoDisconnect Then
    Commo.PortOpen = False
    ConnectButton.Caption = "Connect"
    DoDisconnect = False
Else
    Commo.CommPort = PortEdit.Text
    If Err Then GoTo Complain
    
    Commo.PortOpen = True
    If Err Then GoTo Complain
    
    ConnectButton.Caption = "Disconnect"
    DoDisconnect = True
    Commo.Settings = BaudStatic.Caption + ",e,7,1"
End If

Exit Sub
Complain:
MsgBox _
    "Failed to connect: " + Err.Description, _
    vbApplicationModal Or vbExclamation Or vbMsgBoxSetForeground, _
    "Can't Connect", 0, 0
End Sub

Private Sub SendCommand(Data As String)
If ExpectingLine Then
    ReceivedMemo.Text = ReceivedMemo.Text + "..." + vbCrLf
    ReceivedMemo.SelStart = Len(ReceivedMemo.Text)
End If
Commo.Output = Data + vbCr
SentMemo.Text = SentMemo.Text + Data + vbCrLf
SentMemo.SelStart = Len(SentMemo.Text)
ExpectingLine = True
End Sub

Private Sub InTime_Timer()
Dim I As Integer
InTime.Enabled = False
If InLin <> "" Then
    Do
        I = InStr(InLin, vbCr)
        If I = 0 Then
            If InLin <> "" Then
                ReceivedMemo.Text = ReceivedMemo.Text + InLin + vbCrLf
                InLin = ""
                ReceivedMemo.SelStart = Len(ReceivedMemo.Text)
                If ExpectingLine Then
                    ExpectingLine = False
                Else
                    SentMemo.Text = SentMemo.Text + "..." + vbCrLf
                    SentMemo.SelStart = Len(SentMemo.Text)
                End If
            End If
            Exit Do
        End If
        ReceivedMemo.Text = ReceivedMemo.Text + Left$(InLin, I - 1) + vbCrLf
        InLin = Mid$(InLin, I + 1)
        ReceivedMemo.SelStart = Len(ReceivedMemo.Text)
        If ExpectingLine Then
            ExpectingLine = False
        Else
            SentMemo.Text = SentMemo.Text + "..." + vbCrLf
            SentMemo.SelStart = Len(SentMemo.Text)
        End If
    Loop
End If
End Sub

Private Sub SendButton_Click()
SendCommand SendEdit.Text
End Sub

Private Sub ResendButton_Click()
SendCommand ("N")
End Sub

Private Sub GreetButton_Click()
SendCommand ("H")
End Sub

Private Sub FirmButton_Click()
SendCommand ("V")
End Sub

Private Sub HelpButton_Click()
SendCommand ("?")
End Sub