Re: [linux-usb-devel] force USB device to low speed

2006-08-02 Thread Aras Vaichas
Alan Stern wrote: > On Wed, 2 Aug 2006, Aras Vaichas wrote: >>We suspect we might be having some problems with a radiation source of around >>13MHz that might be causing problems with the 12Mbps full speed USB, we'd >>like >>to try running it at the 1.5Mbps speed to see if this fixes the problem

Re: [linux-usb-devel] force USB device to low speed

2006-08-02 Thread David Brownell
On Tuesday 01 August 2006 9:11 pm, Aras Vaichas wrote: > Is it possible to force a USB device port to "low speed"? As a rule, no. The hardware signaling is different (I've even seen bit-banging implementations, with real-time operating systems) and the device model is too ... no bulk transfers.

Re: [linux-usb-devel] force USB device to low speed

2006-08-02 Thread Alan Stern
On Wed, 2 Aug 2006, Aras Vaichas wrote: > Is it possible to force a USB device port to "low speed"? Depends on the hardware. > I am running an at91rm9200 based board with Linux 2.6.16. I don't know anything about that hardware, sorry. > We suspect we might be having some problems with a radiat

[linux-usb-devel] force USB device to low speed

2006-08-01 Thread Aras Vaichas
Is it possible to force a USB device port to "low speed"? I am running an at91rm9200 based board with Linux 2.6.16. We suspect we might be having some problems with a radiation source of around 13MHz that might be causing problems with the 12Mbps full speed USB, we'd like to try running it at t