On Sat, Oct 13, 2007 at 05:24:12PM +0200, Peter Stuge wrote:
On Sat, Oct 13, 2007 at 04:39:19PM +0200, Uwe Hermann wrote:
just curious -- where do we get hardware to use with the USB Debug Port debugging functionality in LinuxBIOS? Can you buy something in stores?
Get the NET20DC from e.g. semiconductorstore.com. I paid USD 80+VAT+shipping.
Yeah, it's not exactly cheap, but it could be worse.
Are there any HOWTOs?
The USB debug class device specification contains all you need to know about how the device functions. Note that the class spec describes a device with USB on both ends. That's not strictly neccessary as long as the host end of the device can keep up with the bandwidth - important because the debug port has reduced error recovery IIRC.
Thanks! Can you put some (short) general information and links to the device plus a quick HOWTO for using it in Linux here?
http://linuxbios.org/EHCI_Debug_Port
Is this the only device of this type? Do you know other such products?
I guess this will become more important very soon as serial ports start fading away from many boards...
Uwe.