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ps/2 keyboard conversion

Discussion in 'Electronic Basics' started by Thresher, Apr 19, 2004.

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  1. Thresher

    Thresher Guest

    Hi All,

    I was wondering where to find more info on how to merge a joystick
    into a keyboard.

    I want to somehow turn an xbox controller into a keyboard. Not a
    fully functional keyboard just one to fulfill the functioins that the
    normal controller handles.

    This is what the controller looks like inside.
    http://www.llamma.com/xbox/Repairs/Controller_Cleaning.htm

    How do I get started on something like this? Any pointers out there?
     
  2. soundman

    soundman Guest

    PS2 keyboards use a standard 2 way commuication protocol that needs a
    processor or similar to make it work. As I see it, you can either:

    use a PIC, design the open collector data and clock drivers, research the
    protocol and write software to emulate certain key presses when buttons are
    pressed on the X box control, making sure you send the key pressed and key
    released codes each time. Lots of work - you really don't want to do this.

    Or, remove all the active components from the controller and wire the button
    contacts from the controller to the contacts on the keyboard keys that you
    want to emulate. You also need to find a keyboard that will accept the
    contact closure of a rubber carbon coated button that does not go to 0 ohms
    when pressed. Its' worth doing some tests before you go trashing
    controllers ad keyboards

    Or, hope that someone has had the time, patience and skills to produce an
    X-Box to PS2 converter. I am sure someone must have done this - all you
    have to do is to track him down

    There - that hardly helped at all did it? Sorry
     
  3. Garrett Mace

    Garrett Mace Guest

    PS2 keyboards use a standard 2 way commuication protocol that needs a

    The middle option is the only really viable one. The other two are not going
    to happen, as the Xbox controller is a USB device. Quite a complex one,
    actually, with an HID device, a hub, and mass storage. It's also difficult
    to change what the controller does in USB, because the functions are
    essentially hardcoded into the OS unless you manage to write an entire
    replacement driver. Perhaps the firmware on the controller could be
    modified...not likely either.
     
  4. I want to somehow turn an xbox controller into a keyboard. Not a
    As someone has said already, an xbox controller is a USB device.

    There is an article at www.metku.net that describes how to connect an xbox
    controller to a computer through the USB port. It's called "xbox combicable"
    I think. It includes a link to some driver software.
    Maybe this can be used somehow for what you want.

    Andrew Howard
     
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