?? mainform.frm
字號:
VERSION 5.00
Object = "{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}#2.0#0"; "MSCOMCTL.OCX"
Begin VB.Form frmMain
Caption = "USB Test"
ClientHeight = 3240
ClientLeft = 60
ClientTop = 345
ClientWidth = 9585
LinkTopic = "Form1"
MaxButton = 0 'False
MinButton = 0 'False
ScaleHeight = 3240
ScaleWidth = 9585
StartUpPosition = 3 'Windows Default
Visible = 0 'False
Begin VB.CheckBox chkP0B0
Caption = "0"
Enabled = 0 'False
Height = 255
Left = 1560
Style = 1 'Graphical
TabIndex = 21
Top = 2400
Width = 375
End
Begin VB.CheckBox chkP0B1
Caption = "1"
Enabled = 0 'False
Height = 255
Left = 1200
Style = 1 'Graphical
TabIndex = 20
Top = 2400
Width = 375
End
Begin VB.CheckBox chkP0B2
Caption = "2"
Enabled = 0 'False
Height = 255
Left = 840
Style = 1 'Graphical
TabIndex = 19
Top = 2400
Width = 375
End
Begin VB.CheckBox chkP0B3
Caption = "3"
Enabled = 0 'False
Height = 255
Left = 480
Style = 1 'Graphical
TabIndex = 18
Top = 2400
Width = 375
End
Begin VB.Timer Timer1
Interval = 100
Left = 240
Top = 3000
End
Begin VB.Frame Frame6
Caption = "Analog2"
Height = 975
Left = 4440
TabIndex = 10
Top = 1920
Width = 4455
Begin MSComctlLib.ProgressBar pbAnalog2
Height = 255
Left = 240
TabIndex = 26
Top = 240
Width = 3975
_ExtentX = 7011
_ExtentY = 450
_Version = 393216
Appearance = 1
Max = 255
Scrolling = 1
End
Begin VB.Label Label4
Caption = "Temperature"
Height = 255
Left = 240
TabIndex = 24
Top = 600
Width = 1095
End
Begin VB.Label lblAnalog2
Caption = "0"
Height = 255
Left = 1320
TabIndex = 12
Top = 600
Width = 975
End
End
Begin VB.Frame Frame4
Caption = "Port 1"
Height = 1095
Left = 2280
TabIndex = 8
Top = 1800
Width = 1935
Begin VB.CheckBox chkP1B3
Caption = "3"
Height = 255
Left = 360
Style = 1 'Graphical
TabIndex = 17
Top = 600
Width = 375
End
Begin VB.CheckBox chkP1B2
Caption = "2"
Height = 255
Left = 720
Style = 1 'Graphical
TabIndex = 16
Top = 600
Width = 375
End
Begin VB.CheckBox chkP1B1
Caption = "1"
Height = 255
Left = 1080
Style = 1 'Graphical
TabIndex = 14
Top = 600
Width = 375
End
Begin VB.CheckBox chkP1B0
Caption = "0"
Height = 255
Left = 1440
Style = 1 'Graphical
TabIndex = 13
Top = 600
Width = 375
End
Begin VB.Label Label1
Caption = "Bits (Press to Set)"
Height = 255
Left = 360
TabIndex = 15
Top = 240
Width = 1455
End
End
Begin VB.Frame Frame3
Caption = "LEDs"
Height = 1095
Left = 2280
TabIndex = 3
Top = 240
Width = 1935
Begin VB.CheckBox chkLED2
Caption = "LED 2"
Height = 255
Left = 480
TabIndex = 7
Top = 720
Width = 975
End
Begin VB.CheckBox chkLED1
Caption = "LED 1"
Height = 255
Left = 480
TabIndex = 6
Top = 360
Width = 1215
End
End
Begin VB.Frame Frame2
Caption = "Port 0"
Height = 1095
Left = 240
TabIndex = 2
Top = 1800
Width = 1815
Begin VB.Label Label2
Caption = "Bits"
Height = 255
Left = 240
TabIndex = 22
Top = 240
Width = 855
End
End
Begin VB.Frame Frame1
Caption = "Buttons"
Height = 1095
Left = 240
TabIndex = 1
Top = 240
Width = 1815
Begin VB.Shape cButton2
FillColor = &H00008000&
Height = 255
Left = 120
Shape = 3 'Circle
Top = 720
Width = 375
End
Begin VB.Shape cButton1
FillColor = &H00008000&
Height = 255
Left = 120
Shape = 3 'Circle
Top = 240
Width = 375
End
Begin VB.Label lblButton2
Caption = "Button 2"
Height = 255
Left = 600
TabIndex = 5
Top = 720
Width = 1095
End
Begin VB.Label lblButton1
Caption = "Button 1"
Height = 255
Left = 600
TabIndex = 4
Top = 240
Width = 1095
End
End
Begin VB.CommandButton cmdExit
Caption = "Exit"
Height = 495
Left = 8040
TabIndex = 0
Top = 240
Width = 1215
End
Begin VB.Frame Frame5
Caption = "Analog1"
Height = 975
Left = 4440
TabIndex = 9
Top = 840
Width = 4455
Begin MSComctlLib.ProgressBar pbAnalog1
Height = 255
Left = 240
TabIndex = 25
Top = 240
Width = 3975
_ExtentX = 7011
_ExtentY = 450
_Version = 393216
Appearance = 1
Max = 255
Scrolling = 1
End
Begin VB.Label Label3
Caption = "Potentiometer"
Height = 255
Left = 240
TabIndex = 23
Top = 600
Width = 1095
End
Begin VB.Label lblAnalog1
Caption = "0"
Height = 255
Left = 1320
TabIndex = 11
Top = 600
Width = 975
End
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
F32x_Close (hUSBDevice)
End
End Sub
Private Sub Form_Unload(Cancel As Integer)
'close usb device and exit program
F32x_Close (hUSBDevice)
End
End Sub
Private Sub Timer1_Timer()
'on each timer tick we will send out the data from the
'program to the board and set the appropriate values to
'the board then, we will read in the data from the board
'and set the appropriate values to the program
'set the first two bytes of the array to the led values
IOBuf(0) = chkLED1.Value
IOBuf(1) = chkLED2.Value
Dim B0, B1, B2, B3
Dim P1
'bits for each of the bits represented in port 1
B0 = chkP1B0.Value
B1 = chkP1B1.Value * 2 'shift left 1
B2 = chkP1B2.Value * 4 'shift left 2
B3 = chkP1B3.Value * 8 'shift left 3
P1 = (B0 + B1 + B2 + B3) 'or all of the bits together to get the byte value
P1 = P1 And &HF 'and then with &h0F to get the low 4 bits
IOBuf(2) = 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 = F32x_Write(hUSBDevice, IOBuf(0), BytesWriteRequest, BytesSucceed)
If (BytesSucceed <> BytesWriteRequest) Or (Status <> F32x_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 = F32x_Read(hUSBDevice, IOBuf(0), BytesReadRequest, BytesSucceed)
If (BytesSucceed <> BytesReadRequest) Or (Status <> F32x_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
'the first two elements have the button status
If IOBuf(0) Then
cButton1.FillStyle = 0
Else
cButton1.FillStyle = 1
End If
If IOBuf(1) Then
cButton2.FillStyle = 0
Else
cButton2.FillStyle = 1
End If
Dim P0
P0 = IOBuf(2) And &HF 'and the value with &h0F to get the low 4 bits
chkP0B0.Value = P0 And &H1 'check first bit by anding with 1, and if it is true, set the check box
chkP0B1.Value = (P0 \ 2) And &H1 'shift right 1, and check if its true, set the check box
chkP0B2.Value = (P0 \ 4) And &H1 'shift right 2, and check if its true, set the check box
chkP0B3.Value = (P0 \ 8) And &H1 'shift right 3, and check if its true, set the check box
lblAnalog1.Caption = IOBuf(3) 'set each analog label to the corresponding value
lblAnalog2.Caption = IOBuf(4)
pbAnalog1.Value = IOBuf(3) 'set each analog graphic as well
pbAnalog2.Value = IOBuf(4)
End Sub
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