📄 frmmain.frm
字号:
VERSION 5.00
Object = "{BDC217C8-ED16-11CD-956C-0000C04E4C0A}#1.1#0"; "tabctl32.ocx"
Begin VB.Form frmMain
Caption = "USB2ISP DEMO WWW.USB-I2C-SPI.COM"
ClientHeight = 7230
ClientLeft = 60
ClientTop = 450
ClientWidth = 7515
Icon = "frmMain.frx":0000
LinkTopic = "Form1"
ScaleHeight = 7230
ScaleWidth = 7515
StartUpPosition = 3 'Windows Default
Begin VB.CommandButton USBIO_NOTIFY_ROUTINE
Caption = "模拟处理设备挺拔中断事件"
Enabled = 0 'False
Height = 330
Left = 2535
TabIndex = 1
Top = 6660
Visible = 0 'False
Width = 3255
End
Begin TabDlg.SSTab SSTab1
Height = 6915
Left = 105
TabIndex = 0
Top = 90
Width = 7305
_ExtentX = 12885
_ExtentY = 12197
_Version = 393216
Tabs = 6
Tab = 5
TabsPerRow = 6
TabHeight = 520
MouseIcon = "frmMain.frx":030A
BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851}
Name = "宋体"
Size = 9.75
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
TabCaption(0) = "EPP并口"
TabPicture(0) = "frmMain.frx":0624
Tab(0).ControlEnabled= 0 'False
Tab(0).ControlCount= 0
TabCaption(1) = "MEM并口"
TabPicture(1) = "frmMain.frx":0640
Tab(1).ControlEnabled= 0 'False
Tab(1).ControlCount= 0
TabCaption(2) = "I2C接口"
TabPicture(2) = "frmMain.frx":065C
Tab(2).ControlEnabled= 0 'False
Tab(2).ControlCount= 0
TabCaption(3) = "EEPROM读写"
TabPicture(3) = "frmMain.frx":0678
Tab(3).ControlEnabled= 0 'False
Tab(3).ControlCount= 0
TabCaption(4) = "数字I/O"
TabPicture(4) = "frmMain.frx":0694
Tab(4).ControlEnabled= 0 'False
Tab(4).ControlCount= 0
TabCaption(5) = "SPI接口"
TabPicture(5) = "frmMain.frx":06B0
Tab(5).ControlEnabled= -1 'True
Tab(5).Control(0)= "Frame15"
Tab(5).Control(0).Enabled= 0 'False
Tab(5).ControlCount= 1
Begin VB.Frame Frame15
Caption = "以流模式读写兼容SPI的4线制同步串口，API=USBIO_StreamSPI4"
Height = 6255
Left = 120
TabIndex = 2
Top = 480
Width = 6975
Begin VB.Frame Frame16
Caption = "SPI字节中的位顺序"
Height = 615
Left = 960
TabIndex = 11
Top = 4920
Width = 5535
Begin VB.OptionButton SPIMSB
Caption = "高位在前"
Height = 255
Index = 0
Left = 2040
TabIndex = 13
Top = 240
Value = -1 'True
Width = 1095
End
Begin VB.OptionButton SPILSB
Caption = "低位在前"
Height = 255
Index = 1
Left = 3840
TabIndex = 12
Top = 240
Width = 1095
End
End
Begin VB.CommandButton StreamSPIRW
Caption = "Read\Write"
Height = 495
Left = 2640
TabIndex = 9
Top = 4320
Width = 1695
End
Begin VB.TextBox SPIWRBuf
Height = 3255
Left = 840
MultiLine = -1 'True
ScrollBars = 2 'Vertical
TabIndex = 8
Top = 1080
Width = 5535
End
Begin VB.TextBox SPIWRLen
Height = 405
Left = 2760
TabIndex = 7
Top = 360
Width = 1575
End
Begin VB.Label Label31
Caption = "(<40H)"
Height = 255
Left = 4560
TabIndex = 10
Top = 480
Width = 735
End
Begin VB.Label Label28
Caption = "放置准备从DO/MOSI/D5写出的数据,返回后是从DI/MISO/D7读入的数据"
Height = 255
Left = 840
TabIndex = 6
Top = 840
Width = 5655
End
Begin VB.Label Label29
Caption = "SPI时序: SCK/D3引脚为时钟输出, 默认为低电平, DO/MOSI/D5引脚在时钟上升沿之前输出, DI/MISO/D7引脚在时钟下降沿之后输入."
Height = 495
Left = 840
TabIndex = 5
Top = 5640
Width = 5655
End
Begin VB.Label Label19
Caption = "数据缓冲区ioBuffer"
Height = 255
Left = 960
TabIndex = 4
Top = 4440
Width = 1575
End
Begin VB.Label Label18
Caption = "准备传输的数据字节数"
Height = 255
Left = 840
TabIndex = 3
Top = 480
Width = 1935
End
End
End
End
Attribute VB_Name = "frmMain"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Dim hopen As Long
Private Sub Form_Load()
mIndex = 0
SSTab1.TabVisible(0) = False
SSTab1.TabVisible(1) = False
SSTab1.TabVisible(2) = False
SSTab1.TabVisible(3) = False
SSTab1.TabVisible(4) = False
'SSTab1.TabVisible(5) = False
hopen = USBIO_OpenDevice(mIndex)
If (hopen = INVALID_HANDLE_VALUE) Then
mOpen = False
Else
mOpen = True
End If
'设置设备插拔通知
If USBIO_SetDeviceNotify(mIndex, vbNullString, AddressOf mUSBIO_NOTIFY_ROUTINE) = False Then
MsgBox "设置设备插拔通知失败", vbExclamation, "USB2SPI DEMO"
End If
enablebtn (mOpen)
End Sub
Private Sub Form_Unload(Cancel As Integer)
USBIO_SetDeviceNotify mIndex, vbNullString, 0&
If (mOpen = True) Then
USBIO_CloseDevice (mIndex)
End If
End Sub
Private Sub StreamSPIRW_Click()
Dim mWRLen As Long
'Dim mRdLen As Long
Dim ioBuff As arrRBuffer
'Dim iBuff As arrRBuffer
'Dim buffer As arrRBuffer
mWRLen = HexToBcd(SPIWRLen.Text)
'mRdLen = HexToBcd(I2CRDLen.Text)
Dim mTheFirst As Boolean
mTheFirst = True
'----------------------------------------
If (SPIMSB(0).Value = True) Then
If (USBIO_SetStream(mIndex, &H81) = False) Then
MsgBox "设置SPI高位在前模式失败！ ", vbExclamation, "USB2SPI DEMO"
Exit Sub
End If
ElseIf (SPILSB(1).Value = True) Then
If (USBIO_SetStream(mIndex, &H1) = False) Then
MsgBox "设置SPI低位在前模式失败！ ", vbExclamation, "USB2SPI DEMO"
Exit Sub
End If
End If
'----------------------------------------
If (mWRLen > 0 And SPIWRBuf.Text = "") Then
MsgBox "请输入要准备传输的数据字节数！", vbExclamation, "USB2SPI DEMO"
Exit Sub
End If
'If ((mWRLen = 0) And (mRdLen = 0)) Then
' MsgBox "请输入读数据所需的长度！", vbExclamation, "USB2SPI DEMO"
' Exit Sub
'End If
If (mWRLen > Len(Trim(SPIWRBuf.Text)) \ 2) Then
mWRLen = Len(Trim(SPIWRBuf.Text)) \ 2
End If
Call mStrtoVal(SPIWRBuf.Text, ioBuff, mWRLen) '将输入的十六进制格式字符数据转成数值数据
If (mOpen = True) Then
If (USBIO_StreamSPI4(mIndex, &H80, mWRLen, ioBuff) = False) Then
MsgBox "SPI流模式读写数据失败！", vbExclamation, "USB2SPI DEMO"
Else
If (mWRLen > 0) Then '有数据返回
Dim buff As String
Dim i As Long
For i = 0 To mWRLen - 1
buff = buff & Hex2bit(ioBuff.buf(i)) + " "
Next
SPIWRBuf.Text = buff
End If
End If
SPIWRLen.Text = Hex(mWRLen)
'I2CRDLen.Text = Hex(mRdLen)
Else
MsgBox "设备未打开！", vbExclamation, "USB2SPI DEMO"
End If
End Sub
Private Sub USBIO_NOTIFY_ROUTINE_KeyUp(KeyCode As Integer, Shift As Integer) '设备插拔通知处理程序
Dim iEventStatus As Long
iEventStatus = KeyCode '插拔事件
If (iEventStatus = USBIO_DEVICE_ARRIVAL) Then ' 设备插入事件,已经插入
If (USBIO_OpenDevice(mIndex) = INVALID_HANDLE_VALUE) Then
MsgBox "打开设备失败!", vbOK, "USB2SPI DEMO"
mOpen = False
Else
mOpen = True '打开成功
End If
ElseIf (iEventStatus = USBIO_DEVICE_REMOVE) Then ' 设备拔出事件,已经拔出
USBIO_CloseDevice (mIndex)
mOpen = False
End If
enablebtn (mOpen) '设备打开,按钮可用,设备没打开,按钮禁用
End Sub
Public Sub enablebtn(ByVal bEnable As Boolean) 'bEnable=true :各窗体按钮可用 ;=false:enable:各窗体按钮禁用
With frmMain
'.StreamICRW.Enabled = bEnable
.StreamSPIRW.Enabled = bEnable
If (bEnable = True) Then '窗体标题显示
frmMain.Caption = "USB2SPI **设备已插上"
Else
frmMain.Caption = "USB2SPI **设备已拔出"
End If
End With
End Sub
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