?? timer1.frm
字號:
VERSION 5.00
Object = "{648A5603-2C6E-101B-82B6-000000000014}#1.1#0"; "MSCOMM32.OCX"
Begin VB.Form Form1
Caption = "TIMER1溢出中斷測試 蘇州大學(xué)freescale MCU&DSP研發(fā)中心 2005年3月版"
ClientHeight = 4335
ClientLeft = 3420
ClientTop = 2970
ClientWidth = 8535
Icon = "Timer1.frx":0000
LinkTopic = "Form1"
MaxButton = 0 'False
MinButton = 0 'False
ScaleHeight = 4335
ScaleWidth = 8535
Begin VB.CommandButton ComStop
Caption = "暫停"
BeginProperty Font
Name = "隸書"
Size = 18
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 615
Left = 6090
TabIndex = 6
Top = 1200
Width = 1125
End
Begin MSCommLib.MSComm MSComm1
Left = 5220
Top = 3090
_ExtentX = 1005
_ExtentY = 1005
_Version = 393216
DTREnable = -1 'True
End
Begin VB.TextBox TxtRECV
BackColor = &H00C0E0FF&
BeginProperty Font
Name = "隸書"
Size = 21.75
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 585
Left = 1500
Locked = -1 'True
TabIndex = 3
Text = "Text1"
Top = 2940
Width = 2685
End
Begin VB.CommandButton CmdEXIT
BeginProperty Font
Name = "隸書"
Size = 18
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 645
Left = 6060
MaskColor = &H00E0E0E0&
Picture = "Timer1.frx":0A02
Style = 1 'Graphical
TabIndex = 2
Top = 2820
Width = 705
End
Begin VB.CommandButton CmdSEND
Caption = "發(fā)送"
BeginProperty Font
Name = "隸書"
Size = 18
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 615
Left = 4500
TabIndex = 1
Top = 1200
Width = 1125
End
Begin VB.TextBox TxtSEND
BackColor = &H00C0E0FF&
BeginProperty Font
Name = "隸書"
Size = 21.75
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 585
Left = 1500
Locked = -1 'True
TabIndex = 0
Text = "Text1"
Top = 1230
Width = 2715
End
Begin VB.Timer Timer1
Enabled = 0 'False
Interval = 1000
Left = 5160
Top = 2370
End
Begin VB.Frame Frame1
Caption = "當(dāng)前系統(tǒng)時間"
BeginProperty Font
Name = "隸書"
Size = 21.75
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H00FF0000&
Height = 1545
Left = 1050
TabIndex = 4
Top = 510
Width = 6705
End
Begin VB.Frame Frame2
Caption = "MCU傳來的時間"
BeginProperty Font
Name = "隸書"
Size = 21.75
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H00FF0000&
Height = 1395
Left = 1050
TabIndex = 5
Top = 2370
Width = 3405
End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
'程序描述：
' （1）把當(dāng)前系統(tǒng)時間從COM1發(fā)送出去
' （2）把接收到的數(shù)據(jù)顯示在接收窗口中
'-------------------------------------------------------
Option Explicit '檢查未經(jīng)聲明的變量
Dim TimData() As Byte '原始時間數(shù)組
Dim SendData(2) As Byte '發(fā)送數(shù)據(jù)數(shù)組
Dim RecvData() As Byte '接收數(shù)據(jù)數(shù)組
Private Sub Form_Load()
'串行口初始化
Call SCIinit(MSComm1, 1, "9600,N,8,1")
'清空有關(guān)文本框
TxtSEND.Text = ""
TxtRECV.Text = ""
'開放串行中斷
MSComm1.RThreshold = 1
'計時器開始計時
Timer1.Enabled = True
End Sub
Private Sub Timer1_Timer()
TxtSEND.Text = Format$(Time(), "HH:MM:SS")
End Sub
Private Sub CmdSEND_Click() '單擊"發(fā)送"按鈕
SendData(0) = Val(Mid$(TxtSEND.Text, 1, 2))
SendData(1) = Val(Mid$(TxtSEND.Text, 4, 2))
SendData(2) = Val(Mid$(TxtSEND.Text, 7, 2))
MSComm1.Output = SendData
End Sub
Private Sub ComStop_Click() '單擊"暫停/繼續(xù)"按鈕
If ComStop.Caption = "暫停" Then
ComStop.Caption = "繼續(xù)"
Timer1.Enabled = False
Else
ComStop.Caption = "暫停"
Timer1.Enabled = True
End If
End Sub
Public Sub MSComm1_OnComm() '串行接收中斷
Dim i As Integer
Dim S1 As String
MSComm1.RThreshold = 0 '關(guān)閉串行中斷
Do
DoEvents
Loop Until MSComm1.InBufferCount >= 3
RecvData = MSComm1.Input
For i = LBound(RecvData) To UBound(RecvData)
S1 = S1 & Format$(RecvData(i), "00") & ":"
Next i
S1 = Mid$(S1, 1, 8)
TxtRECV.Text = S1
MSComm1.RThreshold = 1 '開放串行中斷
End Sub
Private Sub CmdEXIT_Click() '單擊"退出"按鈕
If MSComm1.PortOpen = True Then MSComm1.PortOpen = False
Timer1.Enabled = False
End
End Sub
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