Greg KH wrote:
On Thu, Sep 24, 2009 at 12:57:10AM -0400, Ken McD wrote:
I am wondering if its possible to make a linux PC control another PC
through a usb keyboard and mouse.
So kind of kvm without the video part.
Seems most likely this is possible with the usb gadget api and a usb device
controller, but I cannot find any prior work on the keyboard and mouse
driver portion. There are some references to gadget api hid drivers, but I
can't find anything definite in the mailing archive or google'd.
Can someone point me in the right direction for a solution?
Read the USB spec first for why this isn't possible without a hardware
"blob" between the devices.
Good luck :)
greg k-h
Greg, I think there might be a misunderstanding. I am NOT trying to
connect 2 USB host controllers together. Yes, as you mention, this is
not possible because of the USB specification and because 2 host USB
controllers cannot communicate together, unless one is On-the-Go. I
think what you are referring to is the host-to-host usb dongles that
allow point-to-point tcp/ip networks. That's not what I'm looking for.
What I am asking about is making a software keyboard and mouse inside
Linux that communicates through the Gadget API to a USB peripheral
device controller and then on to the destination PC. It is possible just
as a stand-alone usb keyboard or mouse works to control a PC. For
reference, the Gadget API is described here:
http://www.linux-usb.org/gadget/
Is brief, a linux PC can be a USB peripheral device and a usb keyboard
or mouse is a type of USB peripheral device.
So I understand the PC peripheral controllers exist and there is Linux
Gadget API to simulate USB peripheral device. What I'm looking for are
resources for the USB gadget device driver to simulate the keyboard and
mouse. I am thinking the programming for this is relatively easy because
hardware-only implementations of USB keyboards and mice are very cheap.
Thanks for the help though, maybe I still misunderstand my request?
Ken
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