On Fri, 26 Dec 2008 09:02:25 +0100, Michelle Konzack <linux4michelle@xxxxxxxxxxxxxxx> wrote: > I an developing a "24V DC modular ATX PSU" which act like a UPS and I > have problems with the USBHID-PDU stuff... > > Q 1: Is there a commandline tool, which can be used to sniff USB > traffic and able to analyse singel (selected) endpoints? The usbmon is useful, but keep in mind that it only shows a higher level overview of transfers that kernel does. So you will not see SOF and NAK frames for example. If you have trouble with your UPS-like device not working, it may need some traces generated by its own firmware. I understand that may be tough if you don't have enough RAM in the device, but c'est la vie. Alan Stern once posted a very useful sheet to decode the usbmon's output, I saved it here: http://people.redhat.com/zaitcev/notes/usb_stern_cheat.txt -- Pete -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
