?? form3.frm
字號:
VERSION 5.00
Object = "{648A5603-2C6E-101B-82B6-000000000014}#1.1#0"; "MSCOMM32.OCX"
Object = "{5E9E78A0-531B-11CF-91F6-C2863C385E30}#1.0#0"; "MSFLXGRD.OCX"
Begin VB.Form Form3
BackColor = &H00FFC0C0&
BorderStyle = 1 'Fixed Single
Caption = "讀DM區數據"
ClientHeight = 5505
ClientLeft = 3930
ClientTop = 3045
ClientWidth = 9990
ForeColor = &H00808080&
LinkTopic = "Form3"
MaxButton = 0 'False
MinButton = 0 'False
ScaleHeight = 5505
ScaleWidth = 9990
StartUpPosition = 2 '屏幕中心
Begin VB.Timer Timer1
Left = 5880
Top = 0
End
Begin MSCommLib.MSComm MSComm1
Left = 8160
Top = 0
_ExtentX = 1005
_ExtentY = 1005
_Version = 393216
DTREnable = -1 'True
End
Begin VB.Frame Frame1
BackColor = &H00FFC0FF&
Caption = "讀DM區數據"
BeginProperty Font
Name = "楷體_GB2312"
Size = 12
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H000000FF&
Height = 4575
Left = 480
TabIndex = 0
Top = 480
Width = 9015
Begin VB.Frame Frame2
BackColor = &H008080FF&
Caption = "DM數據顯示區"
BeginProperty Font
Name = "楷體_GB2312"
Size = 12
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H00C00000&
Height = 1575
Left = 360
TabIndex = 9
Top = 2760
Width = 8175
Begin MSFlexGridLib.MSFlexGrid Grid1
Height = 855
Left = 360
TabIndex = 10
Top = 360
Width = 7575
_ExtentX = 13361
_ExtentY = 1508
_Version = 393216
End
End
Begin VB.CommandButton Cmd2
BackColor = &H00C0C0FF&
Caption = "自動持續讀DM數據"
BeginProperty Font
Name = "宋體"
Size = 12
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 615
Left = 6960
Style = 1 'Graphical
TabIndex = 8
Top = 1200
Width = 1815
End
Begin VB.TextBox Txt2
Height = 375
Left = 1440
TabIndex = 7
Top = 1200
Width = 1575
End
Begin VB.CommandButton Cmd1
BackColor = &H00C0C0FF&
Caption = "讀DM區數據"
BeginProperty Font
Name = "宋體"
Size = 12
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 615
Left = 6960
Style = 1 'Graphical
TabIndex = 5
Top = 240
Width = 1815
End
Begin VB.TextBox Txt3
Height = 375
Left = 1440
TabIndex = 4
Top = 2040
Width = 3735
End
Begin VB.TextBox Txt1
Height = 375
Left = 1440
TabIndex = 1
Top = 480
Width = 1575
End
Begin VB.Label Label4
BackStyle = 0 'Transparent
Caption = "指示燈:綠為正常,紅為不正常"
BeginProperty Font
Name = "楷體_GB2312"
Size = 12
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H00C00000&
Height = 375
Left = 3360
TabIndex = 11
Top = 1560
Width = 3495
End
Begin VB.Shape Shape1
FillColor = &H0080FFFF&
FillStyle = 0 'Solid
Height = 1095
Left = 4440
Shape = 3 'Circle
Top = 240
Width = 1215
End
Begin VB.Label Label3
BackStyle = 0 'Transparent
Caption = "要讀的字節數"
BeginProperty Font
Name = "楷體_GB2312"
Size = 12
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H000000FF&
Height = 615
Left = 120
TabIndex = 6
Top = 1080
Width = 975
End
Begin VB.Label Label2
BackStyle = 0 'Transparent
Caption = "接收的原字符"
BeginProperty Font
Name = "楷體_GB2312"
Size = 12
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H000000FF&
Height = 615
Left = 120
TabIndex = 3
Top = 1920
Width = 975
End
Begin VB.Label Label1
BackStyle = 0 'Transparent
Caption = "開始地址"
BeginProperty Font
Name = "楷體_GB2312"
Size = 12
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H000000FF&
Height = 375
Left = 120
TabIndex = 2
Top = 480
Width = 1095
End
End
End
Attribute VB_Name = "Form3"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Public Function fcs(ByVal inputstr As String) As String
Dim slen, i, xorresult As Integer
Dim tempfcs As String
slen = Len(inputstr)
xorresult = 0
For i = 1 To slen
xorresult = xorresult Xor Asc(Mid$(inputstr, i, 1))
Next i
tempfcs = Hex$(xorresult)
If Len(tempfcs) = 1 Then tempfcs = "0" + tempfcs
fcs = tempfcs
End Function
' 用途：將十六進制轉化為十進制
' 輸入：Hex(十六進制數)
' 輸入數據類型：String
' 輸出：HEX_to_DEC(十進制數)
' 輸出數據類型：Long
' 輸入的最大數為7FFFFFFF,輸出的最大數為2147483647
Public Function HEX_to_DEC(ByVal Hex As String) As Long
Dim i As Long
Dim B As Long
Hex = UCase(Hex)
For i = 1 To Len(Hex)
Select Case Mid(Hex, Len(Hex) - i + 1, 1)
Case "0": B = B + 16 ^ (i - 1) * 0
Case "1": B = B + 16 ^ (i - 1) * 1
Case "2": B = B + 16 ^ (i - 1) * 2
Case "3": B = B + 16 ^ (i - 1) * 3
Case "4": B = B + 16 ^ (i - 1) * 4
Case "5": B = B + 16 ^ (i - 1) * 5
Case "6": B = B + 16 ^ (i - 1) * 6
Case "7": B = B + 16 ^ (i - 1) * 7
Case "8": B = B + 16 ^ (i - 1) * 8
Case "9": B = B + 16 ^ (i - 1) * 9
Case "A": B = B + 16 ^ (i - 1) * 10
Case "B": B = B + 16 ^ (i - 1) * 11
Case "C": B = B + 16 ^ (i - 1) * 12
Case "D": B = B + 16 ^ (i - 1) * 13
Case "E": B = B + 16 ^ (i - 1) * 14
Case "F": B = B + 16 ^ (i - 1) * 15
End Select
Next i
HEX_to_DEC = B
End Function
Public Sub tabinit()
Rem 初始化表格
Dim i As Integer
Grid1.Rows = 2
Grid1.Cols = 20 + 1
Rem 表格的標題
Grid1.Col = 0
Grid1.Row = 0: Grid1.Text = "DM地址編號"
Grid1.Row = 1: Grid1.Text = "DM值"
Rem 寫表格的第一行表示地址編號
Grid1.Row = 0
For i = 1 To 20
Grid1.Col = i: Grid1.Text = "" + Str$(i)
Next i
Rem 表格顯示數據的開始位置
Grid1.TopRow = 1
Grid1.LeftCol = 1
End Sub
Private Sub Cmd1_Click()
Dim A As String
Dim B As String
Dim C As String
Dim tp As String
Dim X As String
Dim i As Integer
Dim NUM(20) As String
Dim DM(20) As String
Dim BFCS As String
Dim N As Integer
If MSComm1.PortOpen = True Then
MSComm1.PortOpen = False
End If
If Txt1.Text = "" Then
X = MsgBox("地址不能為空", 16)
Exit Sub
End If
If Txt2.Text = "" Then
X = MsgBox("字節數不能為空", 16)
Exit Sub
End If
N = Txt2.Text
tp = "@00RD"
A = tp + Txt1.Text + Txt2.Text + fcs(tp + Txt1.Text + Txt2.Text) + "*" + Chr$(13)
Rem 如果端口沒有開,把端口打開
If MSComm1.PortOpen = False Then
MSComm1.PortOpen = True
End If
MSComm1.InBufferCount = 0
MSComm1.Output = A
N = Txt2.Text
Do
DoEvents
Loop Until MSComm1.InBufferCount >= 10 + 4 * N
B = MSComm1.Input
Txt3.Text = B
BFCS = fcs(Mid((B), 1, Len(B) - 4))
Rem 判斷通訊是否正常
If BFCS = Mid(B, Len(B) - 3, 2) Then
Shape1.FillColor = vbBlue
X = MsgBox("通訊成功", 16)
Shape1.FillColor = vbBlue
Else: Shape1.FillColor = vbRed
X = MsgBox("通訊不成功", 16)
Exit Sub
End If
For i = 0 To N - 1
NUM(i) = Mid((B), 8 + 4 * i, 4)
Next i
For i = 0 To 19
DM(i) = HEX_to_DEC(NUM(i))
Next i
For i = 0 To 19
Grid1.Row = 1: Grid1.Col = i + 1
Grid1.Text = DM(i)
Next i
Shape1.FillColor = vbYellow
End Sub
Private Sub CMD2_Click()
Dim X As String
Dim p As String
Dim q As String
p = "自動持續讀DM數據"
q = "停止持續讀DM數據"
If Cmd2.Caption = p Then
If Txt1.Text = "" Then
X = MsgBox("地址不能為空", 16)
Exit Sub
End If
If Txt2.Text = "" Then
X = MsgBox("字節數不能為空", 16)
Exit Sub
End If
Cmd2.Caption = q
Timer1.Enabled = True
Else: Cmd2.Caption = p
Timer1.Enabled = False
End If
End Sub
Private Sub Form_Load()
Rem 初始化
MSComm1.CommPort = 3
MSComm1.Settings = "9600,E,7,2"
MSComm1.InputLen = 0
Timer1.Interval = 2000
Timer1.Enabled = False
Call tabinit
End Sub
Private Sub Form_Unload(Cancel As Integer)
Form2.Enabled = True
Form2.Show
Unload Form3
End Sub
Private Sub Timer1_Timer()
Dim A As String
Dim B As String
Dim C As String
Dim tp As String
Dim X As String
Dim i As Integer
Dim NUM(20) As String
Dim DM(20) As String
Dim BFCS As String
Dim N As Integer
If Txt1.Text = "" Then
X = MsgBox("地址不能為空", 16)
Exit Sub
End If
If Txt2.Text = "" Then
X = MsgBox("字節數不能為空", 16)
Exit Sub
End If
N = Txt2.Text
tp = "@00RD"
A = tp + Txt1.Text + Txt2.Text + fcs(tp + Txt1.Text + Txt2.Text) + "*" + Chr$(13)
Rem 如果端口沒有開,把端口打開
If MSComm1.PortOpen = False Then
MSComm1.PortOpen = True
End If
MSComm1.InBufferCount = 0
MSComm1.Output = A
N = Txt2.Text
Do
DoEvents
Loop Until MSComm1.InBufferCount >= 10 + 4 * N
B = MSComm1.Input
Txt3.Text = B
BFCS = fcs(Mid((B), 1, Len(B) - 4))
Rem 判斷通訊是否正常
If BFCS = Mid(B, Len(B) - 3, 2) Then
Shape1.FillColor = vbBlue
X = MsgBox("通訊成功", 16)
Shape1.FillColor = vbBlue
Else: Shape1.FillColor = vbRed
X = MsgBox("通訊不成功", 16)
Exit Sub
End If
For i = 0 To N - 1
NUM(i) = Mid((B), 8 + 4 * i, 4)
Next i
For i = 0 To 19
DM(i) = HEX_to_DEC(NUM(i))
Next i
For i = 0 To 19
Grid1.Row = 1: Grid1.Col = i + 1
Grid1.Text = DM(i)
Next i
Shape1.FillColor = vbYellow
Timer1.Enabled = True
End Sub
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