Re: [linux-usb-devel] dummy USB port

2004-11-13 Thread Ian Campbell
On Sat, 2004-11-13 at 11:11 -0500, Alan Stern wrote: > On Fri, 12 Nov 2004, omar kfitz wrote: > > Actually my supervisor provided me with an A to A USB cable that doesn't > > respect USB norms. > > Where did he get the cable? I never heard of such a thing -- no > existing hardware would be able

Re: [linux-usb-devel] dummy USB port

2004-11-13 Thread Alan Stern
On Fri, 12 Nov 2004, omar kfitz wrote: > > There is no way to make a host controller passive other than turning it > > off. > > Do u have convincing reasons for that? One of the things a host controller does is send out SOF (Start Of Frame) packets once every millisecond (faster for high-speed)

Re: [linux-usb-devel] dummy USB port

2004-11-12 Thread omar kfitz
> > > Hi Alan, > > > > To tell the truth I have to convince my supervisor that connecting two > > computers via their USB ports for file transfer cannot work without a > > USB bridge cable! I have already told him that the USB system must > > involve a Host and a device since this technologie w

Re: FW: [linux-usb-devel] dummy USB port

2004-11-12 Thread David Brownell
On Thursday 11 November 2004 16:10, Rudolf Ladyzhenskii wrote: > USB OTG is not a software extension of existing ptotocol, > it is effectively difefrent standard alltogether. Not so. It's the OTG "Supplement" to USB 2.0 ... an OTG device is a "dual role" device with hardware and software s

RE: FW: [linux-usb-devel] dummy USB port

2004-11-11 Thread Rudolf Ladyzhenskii
re to make one PC a DCE. It is always DTE. Rudolf - Original Message - From: "Rudolf Ladyzhenskii" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Subject: FW: [linux-usb-devel] dummy USB port Date: Fri, 12 Nov 2004 10:29:21 +1100 > > > USB is master-sla

Re: FW: [linux-usb-devel] dummy USB port

2004-11-11 Thread omar kfitz
could ever be done). I mean what makes it impossible in the implementation to make a usb port of a computer acts like a device, what should be changed? - Original Message - From: "Rudolf Ladyzhenskii" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Subject: FW: [linux-usb

FW: [linux-usb-devel] dummy USB port

2004-11-11 Thread Rudolf Ladyzhenskii
To: omar kfitz Cc: [EMAIL PROTECTED] Subject: Re: [linux-usb-devel] dummy USB port On Thu, 11 Nov 2004, omar kfitz wrote: > > Hi everyone, > I actually want to know why we need special USB cables for Host to Host > transfer files using USB (I actually own one those special cable

Re: [linux-usb-devel] dummy USB port

2004-11-11 Thread Alan Stern
On Thu, 11 Nov 2004, omar kfitz wrote: > > Hi everyone, > I actually want to know why we need special USB cables for Host to Host > transfer files using USB (I actually own one those special cables)? . > What aspects of that protocole restrict its use to a host to device > (master -slave) and res

[linux-usb-devel] dummy USB port

2004-11-11 Thread omar kfitz
Hi everyone, I actually want to know why we need special USB cables for Host to Host transfer files using USB (I actually own one those special cables)? . What aspects of that protocole restrict its use to a host to device (master -slave) and restain transfer file from a computer to another usi