📄 mainform.frm
字号:
VERSION 5.00
Object = "{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}#2.0#0"; "MSCOMCTL.OCX"
Begin VB.Form frmMain
Caption = "ML-320DK USB演示"
ClientHeight = 3990
ClientLeft = 60
ClientTop = 345
ClientWidth = 4920
Icon = "MainForm.frx":0000
LinkTopic = "Form1"
MaxButton = 0 'False
MinButton = 0 'False
ScaleHeight = 3990
ScaleWidth = 4920
StartUpPosition = 2 '屏幕中心
Visible = 0 'False
Begin VB.CheckBox chkP1B4
Caption = "5"
Height = 255
Left = 4080
Style = 1 'Graphical
TabIndex = 16
Top = 600
Width = 375
End
Begin VB.CheckBox chkP0B0
Caption = "1"
Enabled = 0 'False
Height = 255
Left = 480
Style = 1 'Graphical
TabIndex = 13
Top = 600
Width = 375
End
Begin VB.CheckBox chkP0B1
Caption = "2"
Enabled = 0 'False
Height = 255
Left = 840
Style = 1 'Graphical
TabIndex = 12
Top = 600
Width = 375
End
Begin VB.CheckBox chkP0B2
Caption = "3"
Enabled = 0 'False
Height = 255
Left = 1200
Style = 1 'Graphical
TabIndex = 11
Top = 600
Width = 375
End
Begin VB.CheckBox chkP0B3
Caption = "4"
Enabled = 0 'False
Height = 255
Left = 1560
Style = 1 'Graphical
TabIndex = 10
Top = 600
Width = 375
End
Begin VB.Timer Timer1
Interval = 100
Left = 2160
Top = 2040
End
Begin VB.Frame Frame6
Caption = "芯片温度"
Height = 975
Left = 240
TabIndex = 4
Top = 2400
Width = 4455
Begin MSComctlLib.ProgressBar pbAnalog2
Height = 255
Left = 240
TabIndex = 15
Top = 240
Width = 3975
_ExtentX = 7011
_ExtentY = 450
_Version = 393216
Appearance = 1
Max = 80
Scrolling = 1
End
Begin VB.Label Label3
Caption = "80℃"
Height = 255
Left = 3960
TabIndex = 19
Top = 480
Width = 375
End
Begin VB.Label Label2
Caption = "0℃"
Height = 255
Left = 240
TabIndex = 18
Top = 480
Width = 375
End
End
Begin VB.Frame Frame4
Caption = "控制目标板LED"
Height = 855
Left = 2400
TabIndex = 2
Top = 240
Width = 2295
Begin VB.CheckBox chkP1B3
Caption = "4"
Height = 255
Left = 1320
Style = 1 'Graphical
TabIndex = 9
Top = 360
Width = 375
End
Begin VB.CheckBox chkP1B2
Caption = "3"
Height = 255
Left = 960
Style = 1 'Graphical
TabIndex = 8
Top = 360
Width = 375
End
Begin VB.CheckBox chkP1B1
Caption = "2"
Height = 255
Left = 600
Style = 1 'Graphical
TabIndex = 7
Top = 360
Width = 375
End
Begin VB.CheckBox chkP1B0
Caption = "1"
Height = 255
Left = 240
Style = 1 'Graphical
TabIndex = 6
Top = 360
Width = 375
End
End
Begin VB.Frame Frame2
Caption = "按键状态显示"
Height = 855
Left = 240
TabIndex = 1
Top = 240
Width = 1935
End
Begin VB.CommandButton cmdExit
Caption = "退出"
Height = 375
Left = 3840
TabIndex = 0
Top = 3480
Width = 855
End
Begin VB.Frame Frame5
Caption = "ADC0采样电压"
Height = 855
Left = 240
TabIndex = 3
Top = 1200
Width = 4455
Begin MSComctlLib.ProgressBar pbAnalog1
Height = 255
Left = 240
TabIndex = 14
Top = 240
Width = 3975
_ExtentX = 7011
_ExtentY = 450
_Version = 393216
Appearance = 1
Max = 50
Scrolling = 1
End
Begin VB.Label Label1
Caption = "5V"
Height = 255
Left = 3960
TabIndex = 17
Top = 480
Width = 375
End
Begin VB.Label Label0
Caption = "0V"
Height = 255
Left = 240
TabIndex = 5
Top = 480
Width = 375
End
End
Begin VB.Label Label4
Caption = "铭朗科技-WWW.MLARM.COM"
BeginProperty Font
Name = "宋体"
Size = 14.25
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H00FF8080&
Height = 375
Left = 240
TabIndex = 20
Top = 3480
Width = 3495
End
End
Attribute VB_Name = "frmMain"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub cmdExit_Click()
'close use device and exit program
SI_Close (hUSBDevice)
End
End Sub
Private Sub Form_Unload(Cancel As Integer)
'close usb device and exit program
SI_Close (hUSBDevice)
End
End Sub
Private Sub Timer1_Timer()
Dim B0, B1, B2, B3, B4
Dim P1
B0 = chkP1B0.Value
B1 = chkP1B1.Value * 2 'shift left 1
B2 = chkP1B2.Value * 4 'shift left 2
B3 = chkP1B3.Value * 8 'shift left 3
B4 = chkP1B4.Value * 16 'shift left 3
P1 = (B0 + B1 + B2 + B3 + B4) 'or all of the bits together to get the byte value
P1 = P1 And &H1F 'and then with &h0F to get the low 4 bits
IOBuf(0) = P1 'set the third element to this value to send out
Dim BytesSucceed As Long
Dim BytesWriteRequest As Long
Dim BytesReadRequest As Long
BytesSucceed = 0
BytesWriteRequest = IOBufSize - 4
BytesReadRequest = IOBufSize - 4
'send data to the board
Status = SI_Write(hUSBDevice, IOBuf(0), BytesWriteRequest, BytesSucceed)
If (BytesSucceed <> BytesWriteRequest) Or (Status <> SI_SUCCESS) Then
MsgBox "Error writing to USB. Wrote " + Str(BytesSucceed) + " of " + Str(BytesWriteRequest) + " bytes. Application is aborting. Reset hardware and try again."
End
End If
'clear out the iobuf and bytessucceed for the next read
BytesSucceed = 0
Call MemSet(IOBuf, 0, IOBufSize)
'read data from the board
Status = SI_Read(hUSBDevice, IOBuf(0), BytesReadRequest, BytesSucceed)
If (BytesSucceed <> BytesReadRequest) Or (Status <> SI_SUCCESS) Then
MsgBox "Error writing to USB. Read " + Str(BytesSucceed) + " of " + Str(BytesReadRequest) + " bytes. Application is aborting. Reset hardware and try again."
End
End If
Dim P0, N
P0 = IOBuf(2) And &HF
chkP0B0.Value = (Not P0) And &H1
chkP0B1.Value = Not (P0 \ 2) And &H1
chkP0B2.Value = Not (P0 \ 4) And &H1
chkP0B3.Value = Not (P0 \ 8) And &H1
If IOBuf(0) > 50 Then IOBuf(0) = 50
If IOBuf(1) > 80 Then IOBuf(1) = 80
Frame5.Caption = "ADC0采样电压:" & IOBuf(0) / 10 & "V" 'set each analog label to the corresponding value
Frame6.Caption = "芯片温度:" & IOBuf(1) & "℃"
pbAnalog1.Value = IOBuf(0) 'set each analog graphic as well
pbAnalog2.Value = IOBuf(1)
End Sub
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