On Wed, 20 Sep 2006, Meelis Roos wrote: > I am debugging a GPS device (Altha Bluetooth GPS Model GBT708). It > usually works via bluetooth and is charged via USB. It is told to have a > USB serial mode too but no one has seen this working in neither Linux > not Windows XP. But after one charging session from a Linux computer, it > does not speak any blutooth any more. Maybe it just broke but maybe it > can be made to talk again. So I'm trying to revive its USB serial link. > > Basically, after connecting the powered on device, it gives a line like > usb 2-2: new full speed USB device using uhci_hcd and address 12 > periodically (the last number varies of course). Same in Windows, a > bubble with text saying error with unrecognized device appears > periodically). Sometimes it logs error -7 (EPROTO, see below). So I > turned on USB debug and added printk's to EPROTO places, the log is > below. Additionaly a USBMon log is included. > > Nothing is shown in lsusb since it does not reach identification. > > Does anyone have any ideas how can I make a workaround to talk with this > problematic device?
You can't. The logs show that the device doesn't respond at all and it keeps disconnecting and reconnecting itself to the USB bus. Alan Stern ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
