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  1. #261  
    Quote Originally Posted by TouchPadFan View Post
    Is anyone else have issues unmounting a single USB thumbdrive?

    every time I try unmount /dev/sda1 /media/internal/usb it just says '-sh: unmount: not found'.

    ..........
    That's because the command is umount NOT uNmount

    I am unashamedly cross-posting this information here because there are currently at least three threads on this subject running here and the sme questions are cropping up in all of them :

    Try this IN THE SEQUENCE specified:

    Using a MicroUSB OTG Cable and a USB Female to 2 USB A Male Power Extension Y Cable:

    a. Connect the Thumb Drive to the Female USB end of the Y Cable
    b. Connect the Heavy (Main) cable USB plug of the Y Cable to the OTG Cable
    c. Connect the Light cable USB plig of the y Cable to your TouchPad Power Supply
    d. Now plug the OTG Cable Micro USB Plug into the TouchPad

    Now the “Soft” part:

    1. Using Internalz, create a new directory in /media/internal called usb

    2. From Preware, install Xecutah. This will automatically install Xserver and Xterm

    3. webOS does not automatically mount drives when seen on an otg cable. So:

    a. Open Xecutah/ Xterm and type: mount /dev/sda1 /media/internal/usb
    b. Then type: ls /media/internal/usb to make sure it shows the files on the drive.

    4. Then fire up internalz pro and go to settings and click on show hidden files and apply that.

    5. You should now be able to see the Thumb Drive Files under the /media/internal/usb Directory


    CAVEAT! Be sure to use Xecutah/XServer/XTerm to "umount /dev/sda1" when you are done with a drive. (umount is the unmount command)
    Last edited by Wheel_nut; 10/08/2011 at 09:41 AM. Reason: Added full procedure.
    TouchPadFan likes this.
  2. #262  
    Quote Originally Posted by dondiego619 View Post
    Thanks, Wheel_Nut, for the great info on how to mount a Linux device. I can run circles around anyone using Dos commands (dates me, I know) but Linux is a new animal. My problem is that nothing seems to work in mounting my memory card. I'm hooking the devices up properly, I've created the USB directory, but none of the mount commands listed in this posting or the other USB Host post seem to work. Any suggestions from the crowd?
    <staff edit>

    I found that it is important to have the rig POWERED at the point of inserting the OTG Cable into the TouchPad. So follow the sequence in my post earlier in this thread and it should work for you.

    It may also be of interest to you that you can recall commands in the Terminal window by holding down the Shift Key and Pressing and holding U. This will give you a six box panel and the bottom LHS option will recall the last command.

    Now wouldn't it be nice if Linux supported batch files (.bat) like DOS. We could have .bat commands like MountUSB and UnmountUSB and save all of the frigging about with the Terminal emulator. ..... or can you????
    Last edited by HelloNNNewman; 10/09/2011 at 12:36 AM. Reason: removed mod comment
  3. #263  
    Quote Originally Posted by Wheel_nut View Post
    Now wouldn't it be nice if Linux supported batch files (.bat) like DOS. ??
    It does. They're called script files but it's all the same thing.

    ...ken...
  4. #264  
    Quote Originally Posted by Wheel_nut View Post
    That's because the command is umount NOT uNmount

    I am unashamedly cross-posting this information here because there are currently at least three threads on this subject running here and the sme questions are cropping up in all of them :

    Try this IN THE SEQUENCE specified:

    Using a MicroUSB OTG Cable and a USB Female to 2 USB A Male Power Extension Y Cable:

    a. Connect the Thumb Drive to the Female USB end of the Y Cable
    b. Connect the Heavy (Main) cable USB plug of the Y Cable to the OTG Cable
    c. Connect the Light cable USB plig of the y Cable to your TouchPad Power Supply
    d. Now plug the OTG Cable Micro USB Plug into the TouchPad

    Now the “Soft” part:

    1. Using Internalz, create a new directory in /media/internal called usb

    2. From Preware, install Xecutah. This will automatically install Xserver and Xterm

    3. webOS does not automatically mount drives when seen on an otg cable. So:

    a. Open Xecutah/ Xterm and type: mount /dev/sda1 /media/internal/usb
    b. Then type: ls /media/internal/usb to make sure it shows the files on the drive.

    4. Then fire up internalz pro and go to settings and click on show hidden files and apply that.

    5. You should now be able to see the Thumb Drive Files under the /media/internal/usb Directory


    CAVEAT! Be sure to use Xecutah/XServer/XTerm to "umount /dev/sda1" when you are done with a drive. (umount is the unmount command)
    Wheel_Nut - Thank you very much for taking the time to lay that out. And yes, I was being a complete fool and have been typing uNmount all day long in spite of reading the line 'use Umount to unmount' a hundred times! It just didn't occur to me that is wasn't a mistake and i'm still scratching my head a little

    I now have it reading all my USB thumbdrives and any card reader I have (CF / SD) but *only* if it is a single bay card reader...ie only has a single slot for SD or CF cards. Any card readers with multiple memory card slots, I can't get mounted (even if I stuff a card in all of the slots!).

    I have a specialised photographers external 640GB HDD with an internal battery and a CF and SD card reader built in (Nexto ND2700 eXtreme ) - if I can get this mounted to read the HDD then i'll be chuffed.

    I never thought i'd be envious of an Apple product when it came to ease of use in moving images on to a tablet, but watching a friend download his small JPEGS directly to his iPad the other day (using the iPad extra SD card reader) in order to show a client - really made me sulk when looking at my 'Open Source' cheap TP with wires and battery packs all over the place, not to mention the multiple windows open with multiple software programs

    Anyone want to swap?
  5. #265  
    No idea if this would work with the touchpad, but it does have an internal battery..
    AirStash™: wireless flash drive + pocket media server + SD adapter for iPhone, iPod touch & iPad

    I haven't done any research at all past checking to see if it had a card reader and a battery, so it is possible it is not at all what you're looking for. It's also REALLY expensive if all you want is a card reader.

    Here's another article about it (which may or may not contain the same information as their website, I only skimmed both of them so I don't know): Wearable Inc. releases AirStash wireless card reader: Digital Photography Review
  6. #266  
    Quote Originally Posted by Wheel_nut View Post
    I believe that this setup may work for you without need for mains or laptop USB Power.

    Hardware:
    MicroUSB OTG Adapter eBay - The UK's Online Marketplace

    USB Female to 2 USB A Male Power Extension Y Cable eBay - The UK's Online Marketplace

    Emergency AA Battery Mobile Phone Charger eBay - The UK's Online Marketplace

    Plug the USB Thumb drive into the Female USB socket of the Y Cable
    Plug the thin Power lead USB Male A plug into the Emergency Charger
    Plug the USB A Male plug of the Y Cable into the OTG Adapter
    LASTLY, Plug the OTG MicroUSB plug into the TouchPad

    Now, On the TouchPad:
    1. Using Internalz, create a new directory in /media/internal called usb

    2. From Preware, install Xecutah. This will automatically install Xserver and Xterm

    3. webOS does not automatically mount drives when seen on an otg cable. So:

    a. open Xecutah/ Xterm and type: mount /dev/sda1 /media/internal/usb
    b. Then type: LS /media/internal/usb to make sure it shows the files on the drive.

    4. Then fire up internalz pro and go to settings and click on show hidden files and apply that.

    5. You should now be able to see the Thumb Drive Files under the /media/internal/usb Directory


    Be sure to use Xecutah/XServer/XTerm to "umount /dev/sda1" when you are done with a drive. (umount is the unmount command)
    The mount command should probably include "vfat" as the format of the usb drive is fat (PC-style).
    Shneor
    Pre 3 on T-Mobile, 32gb Touchpad
  7. #267  
    TouchPadFan, Two thoughts about your Nexto:

    1) The Nexto supports OTG Mode which means that it can be a HOST to your TouchPad as a USB Drive.

    2) If you use a standard MicroUSB to USB Male A cable(NOT AN OTG CABLE) to connect to the OTG Rig exactly as you would a Thumb Drive, it should mount just as the Thumb Drive does.

    3) It should be possible to tap the Nexto for +5V to power the OTG rig.

    I have Googled the device to glean this information but without seeing the specs on the Nexto, it is impossible for me to decipher the interface.
  8. #268  
    Quote Originally Posted by jfstiefel View Post
    I bought this powered hub for $5 on ebay
    7 Port USB 2.0 High-Speed HUB Powered + AC Adapter Free | eBay
    I bought the OTG cable for <$3 on ebay
    New micro USB to USB Female Cable USB-OTG N900 | eBay
    I plugged in the powered hub to the wall, an SD card reader into the hub, an SD card into the reader, the OTG into the TouchPad and into the hub's supplied A-B cable into the hub.
    I ran "cat /proc/scsi/scsi" to see I had it recognized
    I ran "ls -lrt /dev" to see the /sda or /sda1 was new
    I created a dir "/media/internal/usbtest"
    I mounted with "mount /dev/sda1 /medida/internal/usbtest"
    Then I was able to browse the card's contents using Internalz file browser.
    This post and all its help was simple brilliant.
    I have the same setup. However, as soon as I plug in the OTG cable my TouchPad becomes uncontrollable. Literally I can't type with the keyboard and any active card starts zooming in or minimizing itself if I touch anywhere on the screen.
  9. #269  
    Quote Originally Posted by Wheel_nut View Post
    TouchPadFan, Two thoughts about your Nexto:

    1) The Nexto supports OTG Mode which means that it can be a HOST to your TouchPad as a USB Drive.

    2) If you use a standard MicroUSB to USB Male A cable(NOT AN OTG CABLE) to connect to the OTG Rig exactly as you would a Thumb Drive, it should mount just as the Thumb Drive does.

    3) It should be possible to tap the Nexto for +5V to power the OTG rig.

    I have Googled the device to glean this information but without seeing the specs on the Nexto, it is impossible for me to decipher the interface.
    Thanks - I had the same thought process

    I have tried with a standard micro (Edit - it's a Mini USB) USB to male usb exactly as the set up with the thumb drives. At the moment it still requires the external 5v power supply - but as soon as it's all plugged in the Nexto goes immediately into the correct PC <-> USB mode which is the usual mode instigated when plugged into a PC host for transfers.

    I have tried many times using mount /dev/sda1/ media/internal/usb command, but it's the usual 'not found' response. I'm trying to learn as much as I can experimenting with trial and error. I'll keep plugging away to see if I can get this to recognise the HDD in the Nexto.

    Thanks again for your advise.

    Nexto ND2700 - Nexto DI - Next Generation Storage with Digital Interface
    Last edited by TouchPadFan; 10/08/2011 at 01:48 PM. Reason: My correction: Mini USB not Micro into the Nexto
  10. #270  
    Quote Originally Posted by izzeho View Post
    Camera's are a bit funny. Some will simply mount as external storage (and thus be fine), whereas others will request other drivers and set themselves up differently. It depends on the camera.

    There is also the possibility the storage on it is formatted to something the touchpad can't read (i.e. NTFS).

    My camera is seen as external storage on my computer, without other driver. And the storage is a sdhc card, formatted in FAT32. Still working on it.
  11. #271  
    Quote Originally Posted by TouchPadFan View Post
    I now have it reading all my USB thumbdrives and any card reader I have (CF / SD) but *only* if it is a single bay card reader...ie only has a single slot for SD or CF cards. Any card readers with multiple memory card slots, I can't get mounted (even if I stuff a card in all of the slots!).
    my multiple memory card reader is working fine. Each of the 4 slot is avaible on respectively sda,sdb,sdc and sdd. When a card is inserted, i can mount sda1 etc ...
  12. #272  
    Quote Originally Posted by Microbug View Post
    my multiple memory card reader is working fine. Each of the 4 slot is avaible on respectively sda,sdb,sdc and sdd. When a card is inserted, i can mount sda1 etc ...
    Hi Microbug, Please could you please post the full Mount commands that you use to mount the four concurrent Drives.

    Do you have to set up separate USB folders in /media/internal ?
    Last edited by Wheel_nut; 10/08/2011 at 05:23 PM.
  13. #273  
    The mount command should probably include "vfat" as the format of the usb drive is fat (PC-style).

    mount is able to look at what format type (its specified on the drive) so its fine not specifying and leaving mount to find it...
    (hidd) user.emerg: AddNewFinger: WARNING!!!!!!!: 99 FINGERS ADDED in 1 secs
  14. #274  
    <threads merged>
  15. #275  
    Quote Originally Posted by Wheel_nut View Post
    Hi Microbug, Please could you please post the full Mount commands that you use to mount the four concurrent Drives.

    Do you have to set up separate USB folders in /media/internal ?
    Exactly the same than with an USB stick: "mount /dev/sda1 /media/internal/usb".
    I did'nt try to mount several card at a time. I'm not sure but if so, i think you have to mount each card in a separate folder such as /media/internal/usb/sd , /media/internal/usb/cf , ...
  16. #276  
    Would this :

    New 2600mAh Solar USB Charger For Cell Phone MP3 PDA | eBay

    be AOK to use in place of a powered hub on the Y cable? I just want to use a laptop sized USB keyboard and maybe a USB thumbdrive (one at the time).

    Thanks
  17. Ph4r's Avatar
    Posts
    4 Posts
    #277  
    for those having issues mounting multicard readers or other devices, here is a command that should help you out.

    dmesg | grep sd

    that will show you the log basically of new devices that are recognized, you can look at the bottom and it should show something like new device available at sdd1 or something, it may also say that something is found at sdd, but unable to connect to it. That is what I get when I plug in my Canon T1i.
  18. #278  
    Quote Originally Posted by Wheel_nut View Post
    That's because the command is umount NOT uNmount

    Try this IN THE SEQUENCE specified:

    Using a MicroUSB OTG Cable and a USB Female to 2 USB A Male Power Extension Y Cable:

    a. Connect the Thumb Drive to the Female USB end of the Y Cable
    b. Connect the Heavy (Main) cable USB plug of the Y Cable to the OTG Cable
    c. Connect the Light cable USB plig of the y Cable to your TouchPad Power Supply
    d. Now plug the OTG Cable Micro USB Plug into the TouchPad

    Now the “Soft” part:

    1. Using Internalz, create a new directory in /media/internal called usb

    2. From Preware, install Xecutah. This will automatically install Xserver and Xterm

    3. webOS does not automatically mount drives when seen on an otg cable. So:

    a. Open Xecutah/ Xterm and type: mount /dev/sda1 /media/internal/usb
    b. Then type: ls /media/internal/usb to make sure it shows the files on the drive.

    4. Then fire up internalz pro and go to settings and click on show hidden files and apply that.

    5. You should now be able to see the Thumb Drive Files under the /media/internal/usb Directory


    CAVEAT! Be sure to use Xecutah/XServer/XTerm to "umount /dev/sda1" when you are done with a drive. (umount is the unmount command)
    This should be reposted at the top and stickied ! If ALL you want is to read a flashdrive do the above. Similar should be possible if you ONLY want a keyboard. The above seems to minimize parts and makes the connections as simple as possible.

    no usb hub required
    no external power other than the wall plug that comes with the TP anyway
    Only limitation is that you can only run 1 device at a time.

    Thanks bunches

    (Actually, I was wondering if this was possible; the TP's wall recharger serves up 5V to charge the TP why couldn't those 5V be used to trigger the TP into Host mode. And as wheelnut's sequence shows; that's exactly what it does).
    mooman1 likes this.
  19. #279  
    I have three simple and CHEAP hardware configurations working:

    1) £2.14 USB OTG Cable connected to a £0.99p USB Hub (with home-made Power cable) to the TouchPad Barrel PSU Total cost £3-13p. All costs include p&p.

    2) £2.14 USB OTG Cable connected to a £3.13 USB Y Cable (2x Male Type A and 1x Female A) connected to the TouchPad Barrel PSU. Total cost £5-27p incl p&p.

    3) Either of the two above configurations but connected to any spare USB Port on a Laptop or Computer

    I also have a £1-84p 1xAA Battery USB emergency charger on order to test that either of the two above configurations will work of powered from it. This will allow the attachment of an OTG Thumb drive without any external power. I will report the results here.

    I am also working on Shell scripts to simplify the mount and u(n)mount procedure. If any of you know how to run a Shell script from the GUI, please enlighten me.
  20. #280  
    So, here is the thing. I don't have USB keyboard, hub, Y-cable and external battery. However, i've got myself an OTG cable (this one eBay - New & used electronics, cars, apparel, collectibles, sporting goods & more at low prices), and tried to connect the only thing i do have: a "converter" from SATA to USB, which allows you to connect SATA drives to regular usb port. This thing is powered either from extra USB cable (didn't work for me, since i have only the 3,5 inch drives, and USB power is not enough for them) or from the wall power socket (which is ideal for TP). here is the list of drives i've tried:
    320 gb NTFS: recognised, couldn't mount anything
    750 gb EXT3: not recognised
    1 tb EXT3: not recognised
    750 gb fat32: recognised, mounted (there was only 1 partition on disc, but it've showed 3 SDA things: SDA, SDA2, SDA5, and only SDA5 has mounted successfully), but i couldn't see the files or folders in mount position through Internalz or Kalem. However, when i've copied a file to this folder through Internals, the disk "worked" and blinked and i was able to see this file when i connected the drive to PC. So the thing worked.

    Hope that devs would be able to squeeze some power from TP itself, because right now, it's not very usable.
    BTW, if i install Ubuntu on TP, would i still need to do all those silly mount/umount things, or it would just show automatically, like on desktop?

    Yeah, my English is a mess, i know. Sorry.

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