home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Visual Basic Source Code
/
Visual Basic Source Code.iso
/
vbsource
/
wsc4vb24
/
finder.frm
< prev
next >
Wrap
Text File
|
1998-08-11
|
3KB
|
104 lines
VERSION 2.00
Begin Form FINDER
AutoRedraw = -1 'True
BorderStyle = 3 'Fixed Double
Caption = "FINDER"
ClientHeight = 5595
ClientLeft = 2550
ClientTop = 2730
ClientWidth = 8565
FontBold = 0 'False
FontItalic = 0 'False
FontName = "Courier New"
FontSize = 8.25
FontStrikethru = 0 'False
FontUnderline = 0 'False
Height = 6285
Left = 2490
LinkTopic = "Form1"
ScaleHeight = 5595
ScaleWidth = 8565
Top = 2100
Width = 8685
Begin Menu menuExit
Caption = "Exit"
End
Begin Menu menuFinderModem
Caption = "Find_Modem"
End
End
' FINDER.BAS
Option Explicit
Sub Form_Load ()
Call DisplayInit(FINDER)
End Sub
Sub menuExit_Click ()
End
End Sub
Sub menuFinderModem_Click ()
Dim Port As Integer
Dim Code As Integer
'examine COM1 through COM4 for modem
For Port = COM1 To COM4
'reset the port
Call DisplayString(FINDER, "COM" + LTrim$(Str$(1 + Port)) + " ")
Code = SioReset(Port, 512, 512)
If Code < 0 Then
Call SayError(FINDER, Code)
Else
'we have hardware
Code = SioBaud(Port, Baud9600)
'set DTR & RTS
Code = SioDTR(Port, Asc("S"))
Code = SioRTS(Port, Asc("S"))
'look for DSR
If SioDSR(Port) Then
Call DisplayString(FINDER, " (DSR=1) ")
'got DSR, so lets send "AT"
Code = mioSendTo(Port, 100&, "!AT!")
Call RunDriver(Port)
'wait 2 seconds for OK
Code = mioWaitFor(Port, 2000&, "OK")
Call RunDriver(Port)
'get result
If mioResult(Port) Then
'found modem
Call DisplayLine(FINDER, " Modem is detected !")
Code = SioDone(Port)
Exit Sub
Else
'no response
Call DisplayLine(FINDER, " No response.")
End If
Else
Call DisplayLine(FINDER, " (DSR=0) ")
End If
'shut down port
Code = SioDone(Port)
End If
Next Port
Call DisplayLine(FINDER, "")
Call DisplayLine(FINDER, "Cannot locate modem on COM1 through COM4")
End Sub
Sub RunDriver (ByVal Port As Integer)
Dim Code As Integer
While True
Code = mioDriver(Port)
If Code = MIO_IDLE Then
' driver is done
Exit Sub
End If
If Code <> MIO_RUNNING Then
' display character returned by driver
Call DisplayChar(FINDER, Code)
End If
Wend
End Sub