Date: Tue, 14 Dec 2010 05:08:09 +0100 From: Hans Petter Selasky <hselasky@c2i.net> To: Rene Ladan <rene@freebsd.org> Cc: freebsd-usb@freebsd.org Subject: Re: Lego NXT brick communication error with libusb Message-ID: <201012140508.09787.hselasky@c2i.net> In-Reply-To: <4D0680D7.10007@freebsd.org> References: <4D054F76.1080401@freebsd.org> <201012131151.25655.hselasky@c2i.net> <4D0680D7.10007@freebsd.org>
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On Monday 13 December 2010 21:23:51 Rene Ladan wrote: > Op 13-12-2010 11:51, Hans Petter Selasky schreef: > > On Sunday 12 December 2010 23:40:54 Rene Ladan wrote: > >> Hi, > >> > >> I am writing a port [1] to control the Lego NXT brick with ROS, but when > >> I run a test program it fails (permissions for the USB device are 666). > > > >> This is on: > > What dmesg is shown? Are other [kernel] drivers hooking into the USB > > interfaces used by your user-land driver? > > dmesg shows just: > ugen3.2: <vendor 0x0694> at usbus3 > Vendor 0x0694 is Lego. > > I don't have other drivers hooking into the USB device I think: > % kldstat -v | grep usb > 276 usbus/uhub > 275 uhub/usb_linux > 273 uss820/usbus > 272 musbotg/usbus > 271 at91_udp/usbus > 270 xhci/usbus > 269 ehci/usbus > 268 uhci/usbus > 267 ohci/usbus > > > What is output from usbconfig -d X.Y dump_device_desc > > dump_curr_config_desc > > Attached. > > Rene What happens if you remove that device reset line from your driver? --HPS
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