From mboxrd@z Thu Jan 1 00:00:00 1970 From: Francesco Giovannini Subject: Re: Can't start ESD CAN-USB/2 Date: Fri, 31 Jan 2014 18:04:20 +0100 Message-ID: <52EBD794.3020503@iit.it> References: <52EBCACD.9080906@iit.it> <52EBCBFA.2090205@pengutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mx.iit.it ([90.147.26.161]:20223 "EHLO es400ra01.iit.it" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932453AbaAaRET (ORCPT ); Fri, 31 Jan 2014 12:04:19 -0500 Received: from es400ra01.iit.it (127.0.0.1) id htfbp60171sc for ; Fri, 31 Jan 2014 18:04:16 +0100 (envelope-from ) In-Reply-To: <52EBCBFA.2090205@pengutronix.de> Sender: linux-can-owner@vger.kernel.org List-ID: To: Marc Kleine-Budde Cc: linux-can@vger.kernel.org Hi Mark, I tried #canconfig can0 bitrate 1000000 can0 bitrate: 1000000, sample-point: 0.750 I am however still unable to successfully start the can0 interface with # ifconfig can0 up. Same error shows up. Francesco On 31/01/14 17:14, Marc Kleine-Budde wrote: > On 01/31/2014 05:09 PM, Francesco Giovannini wrote: >> Hi guys! >> >> I am running OpenSuse 12.2, kernel 3.4.63-2.44-desktop. I downloaded and >> installed libsocketcan v0.0.9 and canutils v4.0.6. I then compiled the >> esd_can2 module and modprobed it correctly. When i plug in my CAN-USB/2 >> device i get the following from dmesg: >> >> [186823.262021] usb 1-10: new high-speed USB device number 22 using >> ehci_hcd >> [186823.826031] usb 1-10: device not accepting address 22, error -71 >> [186823.877025] hub 1-0:1.0: unable to enumerate USB device on port 10 >> [186827.879018] usb 1-10: new high-speed USB device number 24 using >> ehci_hcd >> [186827.995429] usb 1-10: New USB device found, idVendor=0ab4, >> idProduct=0010 >> [186827.995432] usb 1-10: New USB device strings: Mfr=1, Product=2, >> SerialNumber=3 >> [186827.995435] usb 1-10: Product: USB2292 >> [186827.995438] usb 1-10: Manufacturer: esd electronic system design >> gmbh (www.esd-electronics.com) >> [186827.995440] usb 1-10: SerialNumber: GM001950 >> [186827.997824] esd_usb2 1-10:1.0: can0: device can0 registered >> >> The device appears to be correctly recognised and the can0 interface is >> ready to be used. I then set the bitrate and several other paramters with: >> >> # canconfig can0 bittiming prop-seg 2 phase-seg1 12 phase-seg2 5 >> sjw 1 brp 3 tq 50 >> >> can0 bittiming: >> tq: 50, prop-seq: 2 phase-seq1: 12 phase-seq2: 5 sjw: 1, brp: 3 >> can0 bitrate: 1000000, sample-point: 0.750 > Try to set the bittiming with this command: > > canconfig can0 bitrate 1000000 > > Does this work? > > Marc > -- *Francesco Giovannini* Research Fellow iCub Facility *Istituto Italiano di Tecnologia* Via Morego, 30 16163 Genova /email:/ francesco.giovannini@iit.it www.iit.it iit-logo-icub