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Madza91

Detect opened CD Rom?

12 posts in this topic

Hello...

I need to detect when is opened/closed CD Rom, is it possible somehow?

Thanks.


[quote name='dbzfanatic' post='609696' date='Nov 26 2008, 08:46 AM']This is a help forum not a "write this for me" forum.[/quote](Sorry for bad English) :)

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here is one test that uses related Autoit commands

$DISK = DriveGetDrive("ALL")

For $I = 1 To $DISK[0]

    $CDROM = DriveGetType($DISK[$I])
    If $CDROM = "CDROM" Then
        CDTray($DISK[$I], "closed")
        Sleep(1000) ; wait for CD to close
    EndIf


    $STATUS = DriveStatus($DISK[$I])
    If $STATUS = "ready" Then
        ConsoleWrite(">DRIVE = " & $DISK[$I] & "      STATUS = " & $STATUS & @CRLF)
    Else
        ConsoleWrite("DRIVE = " & $DISK[$I] & "      STATUS = " & $STATUS & @CRLF)
    EndIf
Next

8)


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#4 ·  Posted (edited)

Cool, some actual code that (should) work. And there's even some tray locking / unlocking in there.

Edited by TurionAltec

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I looked at that topics, and there is not any working solution.

A quick search gave me this, looks promising...

I tried that "cdtray_routines", and it gave me closing error (with Don't send button)...

[quote name='dbzfanatic' post='609696' date='Nov 26 2008, 08:46 AM']This is a help forum not a "write this for me" forum.[/quote](Sorry for bad English) :)

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#7 ·  Posted (edited)

I've yet to see a way to truly tell the tray status. You can detect if media is present or not, but that would equate a closed empty drive as the same thing as one with an open (full or empty) tray.

That last example crashes kernel32.dll when I run it.

Edited by Spiff59

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Here is working code (changed a little):

;Purpose - Query optical drive(s) directly via SCSI or SCSI-emulation (ATAPI,USB,Firewire) to find out if their tray/door is open or closed instead of the standard methods which really query whether or not media is loaded (all of the microsoft API calls do)
;TODO - parse returned sense info from 0xBD before assuming data is OK
;TODO - support for non-drive-letter optical drives
;TODO - support for changers (both one LUN and multi-lun ones)

;-----------------------------------------------------
; Setup Globals Environment
;-----------------------------------------------------

Global Const $INVALID_HANDLE_VALUE = 0xFFFFFFFF
Global Const $GENERIC_READ = 0x80000000
Global Const $GENERIC_WRITE = 0x40000000
Global Const $FILE_SHARE_READ = 0x00000001
Global Const $FILE_SHARE_WRITE = 0x00000002
Global Const $OPEN_EXISTING = 3

Global Const $IOCTL_SCSI_PASS_THROUGH = 0x0004D004 ; (0x00000004 << 16) | ((0x0001 | 0x0002) << 14) | (0x0401 << 2) | 0 [from CTL_CODE macro]
Global Const $SCSI_IOCTL_DATA_IN = 0x01
Global Const $SCSI_IOCTL_DATA_OUT = 0x00
Global Const $SCSI_IOCTL_DATA_UNSPECIFIED = 0x02
Global Const $SPTCDBSIZE = 0x10 ; always sixteen, IOCTL_SCSI_PASS_THROUGH requires this - windows checks to make sure the size of $spt = 44.
Global Const $REALCDBSIZE = 0x0c ; twelve - more compatible than sixteen for ATAPI drives
Global Const $SENSEBUFFERSIZE = 0xF0 ;240 is max (was 32, then 255, which was stupid for byte alignment reasons)
Global Const $DATABUFFERSIZE = 0x0400 ;1024 should handle most calls, except IO, firmware and large changers.  Increase? (was 512)

;Global Const $FSCTL_LOCK_VOLUME = 0x00090018
;Global Const $FSCTL_UNLOCK_VOLUME = 0x00090022
;Global Const $IOCTL_STORAGE_EJECT_MEDIA = 0x002D0808

Global $cdb
Global $spt
Global $sptwb

;-----------------------------------------------------
; Main Routine
;-----------------------------------------------------

;Call routine to create structures to use with DLLs
CreateDLLStructures()

;Call routine to set up the CDB of this SCSI transaction's SRB, in this case 0xBD - Mechanism Status
PopulateCDB()

;Call routine to set up the SCSI_PASS_THROUGH_WITH_BUFFERS stucture - this is general purpose, though the sizes of globals might need to be adjusted for certain SRBs
PopulateSPTWB()

$aDrives = DriveGetDrive("CDROM")

For $x = 1 To 2
    For $i = 1 To $aDrives[0]
        If CDTrayIsOpen($aDrives[$i]) Then
            MsgBox(64, "Tray #" & $i & " Status", "The Tray for drive [" & StringUpper($aDrives[$i]) & "] is open -> closing...")
            CDTray($aDrives[$i], "Closed")
        Else
            MsgBox(64, "Tray #" & $i & " Status", "The Tray for drive [" & StringUpper($aDrives[$i]) & "] is closed -> opening...")
            CDTray($aDrives[$i], "Open")
        EndIf
    Next
Next

Func CDTrayIsOpen($sDrive)
    Local $hVolume = OpenVolume($sDrive)
    
    If $hVolume = $INVALID_HANDLE_VALUE Then
        ;MsgBox(4096, $sDrive & " is not a valid Optical drive", _
            ;"There was no optical drive at that drive letter, or you do not have high enough access to talk to it directly.")
        
        Return SetError(1, 0, "There was no optical drive at that drive letter, " & _
            "or you do not have high enough access to talk to it directly.")
    EndIf
    
    Local $stReturn = DllStructCreate("ptr")
    
    ;!!! DeviceIOControl expects ptr;long;ptr;long;ptr;long;ptr;ptr !!!
    Local $aRet = DllCall( _
            "Kernel32.dll", "int", _
            "DeviceIoControl", _
            "hwnd", $hVolume, _
            "int", $IOCTL_SCSI_PASS_THROUGH, _
            "ptr", DllStructGetPtr($sptwb), _
            "int", DllStructGetSize($spt), _
            "ptr", DllStructGetPtr($sptwb), _
            "int", DllStructGetSize($sptwb), _
            "int*", $stReturn, _
            "ptr", 0 _
            )
    
    If @error Then Return SetError(2, 0, "DeviceIoControl DLLCall failed with error level: " & String(@error) & "!")
    If $aRet[0] = 0 Then Return SetError(3, 0, "Error in DeviceIoControl call to IOCTL_SCSI_PASS_THROUGH:")
    
    Local $iSecond_Byte = DllStructGetData($sptwb, 16, 2) ;should be the second byte
    
    ;now we need the bit here 00010000
    Local $iTrayStatus = BitAND($iSecond_Byte, 0x10)
    
    If $iTrayStatus = 0x10 Then Return True ;Tray Status - The Tray for drive $drive is open.
    Return False ;Tray Status - The Tray for drive $drive is closed.
EndFunc

;-----------------------------------------------------
; Top-level Function Definitions
;-----------------------------------------------------
Func CreateDLLStructures()
    $CDB_STRUCT = "ubyte[" & String($SPTCDBSIZE) & "]"
    
    $SCSI_PASS_THROUGH = "ushort;ubyte;ubyte;ubyte;ubyte;ubyte;ubyte;ubyte;ubyte[3];uint;uint;uint;uint;ubyte[" & _
        String($SPTCDBSIZE) & "]"
    
    $SCSI_PASS_THROUGH_WITH_BUFFERS = $SCSI_PASS_THROUGH & ";ubyte[" & _
        String($SENSEBUFFERSIZE) & "];ubyte[" & String($DATABUFFERSIZE) & "]"
    
    $cdb = DllStructCreate($CDB_STRUCT)
    $spt = DllStructCreate($SCSI_PASS_THROUGH) ;used only for length calculations
    $sptwb = DllStructCreate($SCSI_PASS_THROUGH_WITH_BUFFERS)
EndFunc   ;==>CreateDLLStructures

Func PopulateCDB()
    $CDBCOMMAND = 0xBD ;Mechanism Status in hex
    
    DllStructSetData($cdb, 1, $CDBCOMMAND, 1)
    DllStructSetData($cdb, 1, 0x00, 2)
    DllStructSetData($cdb, 1, 0x00, 3)
    DllStructSetData($cdb, 1, 0x00, 4)
    DllStructSetData($cdb, 1, 0x00, 5)
    DllStructSetData($cdb, 1, 0x00, 6)
    DllStructSetData($cdb, 1, 0x00, 7)
    DllStructSetData($cdb, 1, 0x00, 8)
    DllStructSetData($cdb, 1, 0x00, 9)
    DllStructSetData($cdb, 1, 0x08, 10) ;Request that the device returns only 08 bytes, which is the defined size of the header  We could do more if we had a changer, which would want to give more info, but by setting 8 here, we tell the device not to send more than the header anyway.
    DllStructSetData($cdb, 1, 0x00, 11)
    DllStructSetData($cdb, 1, 0x00, 12)
    ;The next four are not used for ATAPI compatibility, but should be set to zero anyway.
    DllStructSetData($cdb, 1, 0x00, 13)
    DllStructSetData($cdb, 1, 0x00, 14)
    DllStructSetData($cdb, 1, 0x00, 15)
    DllStructSetData($cdb, 1, 0x00, 16)
EndFunc   ;==>PopulateCDB

Func PopulateSPTWB()
    $Len_spt = DllStructGetSize($spt)
    ;Are these necessary if the optical drive is at a drive letter and we pass the handle, right?
    ;docs seem to suggest that the port driver fills these in if we are using an enumerated device
    $Bus = 0x00
    $ID = 0x00
    $Lun = 0x00
    
    DllStructSetData($sptwb, 1, $Len_spt);Length of pre-filler to be set before making call
    DllStructSetData($sptwb, 2, 0x00);Checked on return from call
    DllStructSetData($sptwb, 3, $Bus);SCSI bus # - I believe the port driver fills this in
    DllStructSetData($sptwb, 4, $ID);SCSI ID # - I believe the port driver fills this in
    DllStructSetData($sptwb, 5, $Lun);SCSI Lun # -I believe the port driver fills this in
    DllStructSetData($sptwb, 6, $REALCDBSIZE);Length of CDB to be set before making call (12 for ATAPI compatibility)?
    DllStructSetData($sptwb, 7, $SENSEBUFFERSIZE);Length of Sense buffer to be set before making call - or always 32?
    DllStructSetData($sptwb, 8, $SCSI_IOCTL_DATA_IN);Flag for Data Transfer direction to be set before making call
    ;item #9 is simple a placehold for byte alignment, so ignore it
    DllStructSetData($sptwb, 10, $DATABUFFERSIZE);Length of Data buffer to be set before making call - or always 512
    DllStructSetData($sptwb, 11, 0x05);Timeout for call - to be set before making call
    DllStructSetData($sptwb, 12, $Len_spt + $SENSEBUFFERSIZE);Offset from first byte to beginning of data buffer
    DllStructSetData($sptwb, 13, $Len_spt);Offset from first byte to beginning of sense buffer
    For $i = 1 To $SPTCDBSIZE
        DllStructSetData($sptwb, 14, DllStructGetData($cdb, 1, $i), $i);12 bytes of data representing the CDB
    Next
    DllStructSetData($sptwb, 15, 0x00, 1);Sense Buffer - leave alone before call
    DllStructSetData($sptwb, 16, 0x00, 1);Data Buffer - leave alone before call
EndFunc   ;==>PopulateSPTWB

Func OpenVolume($cDriveLetter)
    ;   From AUTOIT forums
    Local $hVolume, $uDriveType, $szVolumeName, $dwAccessFlags
    
    If StringLen($cDriveLetter) = 1 Then
        $cDriveLetter = $cDriveLetter & ":"
    ElseIf StringLen($cDriveLetter) = 2 Then
        ;do nothing
    ElseIf StringLen($cDriveLetter) = 3 Then
        $cDriveLetter = StringLeft($cDriveLetter, 2)
    Else
        Return $INVALID_HANDLE_VALUE
    EndIf
    
    Local $szRootName = $cDriveLetter & "\"
    
    $uDriveType = DriveGetType($szRootName)
    
    Select
        Case $uDriveType == "Removable"
            $dwAccessFlags = BitOR($GENERIC_READ, $GENERIC_WRITE)
        Case $uDriveType == "CDROM"
            ;We need write access in order to send scsi commands.
            $dwAccessFlags = BitOR($GENERIC_READ, $GENERIC_WRITE)
            ;$dwAccessFlags = $GENERIC_READ
        Case Else
            Return $INVALID_HANDLE_VALUE
    EndSelect
    
    $szVolumeName = "\\.\" & $cDriveLetter & ""
    ;$szVolumeName = "\\.\CdRom0"
    
    ;in addition to getting the handle, the following also verifies write access, which is required to use the scsi pass through
    $hVolume = DllCall( _
            "Kernel32.dll", "hWnd", _
            "CreateFile", _
            "str", $szVolumeName, _
            "long", $dwAccessFlags, _
            "long", BitOR($FILE_SHARE_READ, $FILE_SHARE_WRITE), _
            "ptr", 0, _
            "long", $OPEN_EXISTING, _
            "long", 0, _
            "long", 0 _
            )
    
    If @error Then Return SetError(1, 0, "CreateFile DLLCall failed!")
    
    Return $hVolume[0]
EndFunc   ;==>OpenVolume

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Wow! That's great! It really working!

Thank you :)


[quote name='dbzfanatic' post='609696' date='Nov 26 2008, 08:46 AM']This is a help forum not a "write this for me" forum.[/quote](Sorry for bad English) :)

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If you just need to Open, Close, or Toggle CD door, see the following.

http://www.autoitscript.com/forum/index.php?showtopic=22582

That's good too! :)


[quote name='dbzfanatic' post='609696' date='Nov 26 2008, 08:46 AM']This is a help forum not a "write this for me" forum.[/quote](Sorry for bad English) :)

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