📄 p8255b.frm
字号:
VERSION 5.00
Begin VB.Form P8255
Caption = "P8255B"
ClientHeight = 8250
ClientLeft = 3570
ClientTop = 1875
ClientWidth = 10035
LinkTopic = "Form1"
PaletteMode = 1 'UseZOrder
ScaleHeight = 8250
ScaleWidth = 10035
Begin VB.CommandButton Command16
Caption = "testing"
Height = 315
Left = 1080
TabIndex = 21
Top = 240
Visible = 0 'False
Width = 1095
End
Begin VB.Timer Timer1
Enabled = 0 'False
Interval = 1
Left = 480
Top = 120
End
Begin VB.PictureBox Picture1
Height = 6855
Left = 240
Picture = "P8255B.frx":0000
ScaleHeight = 6795
ScaleWidth = 9435
TabIndex = 1
Top = 720
Width = 9495
Begin VB.CommandButton Command15
Caption = "连续运行"
Height = 375
Left = 5640
TabIndex = 20
Top = 4680
Width = 975
End
Begin VB.CommandButton Command14
Caption = "停止"
Height = 375
Left = 5640
TabIndex = 19
Top = 5040
Width = 975
End
Begin VB.TextBox Text3
BackColor = &H00FFFFC0&
Height = 375
Left = 8880
TabIndex = 18
Text = "0"
Top = 2040
Width = 375
End
Begin VB.CommandButton Command13
Caption = "向指定口发送数据 (Hex)"
BeginProperty Font
Name = "宋体"
Size = 9.75
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 6960
TabIndex = 17
Top = 1680
Width = 2415
End
Begin VB.Frame Frame2
Caption = "端口"
Height = 1215
Left = 7560
TabIndex = 13
Top = 2400
Width = 1335
Begin VB.OptionButton Option2
Caption = "A Port"
Height = 180
Index = 0
Left = 240
TabIndex = 16
Top = 360
Value = -1 'True
Width = 975
End
Begin VB.OptionButton Option2
Caption = "B Port"
Height = 180
Index = 1
Left = 240
TabIndex = 15
Top = 600
Width = 975
End
Begin VB.OptionButton Option2
Caption = "C Port"
Height = 180
Index = 2
Left = 240
TabIndex = 14
Top = 840
Width = 975
End
End
Begin VB.TextBox Text2
BackColor = &H00FFFFC0&
Height = 375
Left = 6240
TabIndex = 9
Text = "9B"
Top = 2520
Width = 375
End
Begin VB.TextBox Text1
BackColor = &H00FFFFC0&
Height = 375
Left = 840
TabIndex = 8
Text = "3"
Top = 2280
Width = 255
End
Begin VB.Frame Frame1
Caption = "端口"
Height = 1215
Left = 5280
TabIndex = 6
Top = 3480
Width = 1335
Begin VB.OptionButton Option1
Caption = "C Port"
Height = 180
Index = 2
Left = 240
TabIndex = 12
Top = 840
Width = 975
End
Begin VB.OptionButton Option1
Caption = "B Port"
Height = 180
Index = 1
Left = 240
TabIndex = 11
Top = 600
Width = 975
End
Begin VB.OptionButton Option1
Caption = "A Port"
Height = 180
Index = 0
Left = 240
TabIndex = 7
Top = 360
Value = -1 'True
Width = 975
End
End
Begin VB.CommandButton Command4
Caption = "发送数据(Hex)"
BeginProperty Font
Name = "宋体"
Size = 9.75
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 4800
TabIndex = 4
Top = 2520
Width = 1455
End
Begin VB.CommandButton Command3
Caption = "接收数据(Hex)"
BeginProperty Font
Name = "宋体"
Size = 9.75
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 4680
TabIndex = 3
Top = 3120
Width = 1815
End
Begin VB.CommandButton Command2
Caption = "指定8255地址(0-3)"
BeginProperty Font
Name = "宋体"
Size = 9.75
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 1080
TabIndex = 2
Top = 2280
Width = 2055
End
Begin VB.Label Label1
BackColor = &H0080FF80&
Caption = "HEX"
Height = 375
Left = 4200
TabIndex = 10
Top = 3120
Width = 495
End
End
Begin VB.CommandButton Command1
Caption = "Exit"
BeginProperty Font
Name = "MS PMincho"
Size = 11.25
Charset = 128
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 4080
TabIndex = 0
Top = 7680
Width = 1815
End
Begin VB.Label Label3
Alignment = 2 'Center
BackColor = &H00C0E0FF&
Caption = "P8255B板基本控制实验"
BeginProperty Font
Name = "宋体"
Size = 15.75
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 2760
TabIndex = 5
Top = 240
Width = 4335
End
End
Attribute VB_Name = "P8255"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
Unload Me
End Sub
Private Sub Command12_Click()
End Sub
Private Sub Command10_Click()
End Sub
Private Sub Command11_Click()
End Sub
Private Sub Command13_Click()
Dim datas As Integer
Dim port As Integer
For i = 0 To 2
If Option2(i).Value = True Then
Select Case i
Case 0
port = A_port
Case 1
port = B_port
Case 2
port = C_port
End Select
End If
Next i
P8255B_set_A1A0 (port)
datas = Val(h_to_d(Text3.Text))
P8255B_write_data (datas)
End Sub
Private Sub Command14_Click()
Timer1.Enabled = False
Command14.Enabled = False
Command15.Enabled = True
End Sub
Private Sub Command15_Click()
Timer1.Enabled = True
Command14.Enabled = True
Command15.Enabled = False
End Sub
Private Sub Command16_Click()
Command3_Click
End Sub
Private Sub Command2_Click()
Dim addr As Integer
addr = Text1.Text
P8255B_set_A1A0 (addr)
End Sub
Private Sub Command3_Click()
Dim datas As Integer
Dim port As Integer
For i = 0 To 2
If Option1(i).Value = True Then
Select Case i
Case 0
port = A_port
Case 1
port = B_port
Case 2
port = C_port
End Select
End If
Next i
datas = P8255B_read_data(port)
Label1.Caption = Hex(datas)
End Sub
Private Sub Command4_Click()
Dim data As Integer
data = Val(h_to_d(Text2.Text))
P8255B_write_data (data)
End Sub
Private Sub Form_Load()
form_init
End Sub
Function h_to_d(ByVal hdat As String) As String
Dim dval As Long
Dim hexchar As String
Dim hexval As String
Dim i As Integer
Dim power As Long
Dim tempval As Integer
hexchar = "123456789ABCDEF"
hexval = UCase$(hdat)
dval = 0
For i = 1 To Len(hexval)
power = 16 ^ (Len(hexval) - i)
tempval = InStr(hexchar, Mid$(hexval, i, 1))
dval = dval + (tempval * power)
Next i
h_to_d = Str$(dval)
End Function
Private Sub form_init()
Width = 10155
Height = 8655
Left = (Screen.Width - Width) / 2
Top = (Screen.Height - Height) / 2
'Picture1.Top = 33
'Picture1.Left = (Width - Picture1.Width) / 2
End Sub
Private Sub Timer1_Timer()
Command16_Click
End Sub
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -