From: Marc Kleine-Budde <mkl@pengutronix.de>
To: Francesco Giovannini <Francesco.Giovannini@iit.it>
Cc: "linux-can@vger.kernel.org" <linux-can@vger.kernel.org>
Subject: Re: Can't start ESD CAN-USB/2
Date: Fri, 31 Jan 2014 18:43:48 +0100 [thread overview]
Message-ID: <52EBE0D4.2060907@pengutronix.de> (raw)
In-Reply-To: <B83FB8757830C3428B64299F968D0F68034C56FE@IITMXWGE012.iit.local>
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On 01/31/2014 06:38 PM, Francesco Giovannini wrote:
> Here is the output:
>
> oSuseBox-IIT:/home/fgiovannini # dmesg -c > /dev/null
>
> oSuseBox-IIT:/home/fgiovannini # canconfig can0 bitrate 1000000
> can0 bitrate: 1000000, sample-point: 0.750
>
> oSuseBox-IIT:/home/fgiovannini # canconfig can0
> can0 bitrate: 0, sample-point: 0.000
> can0 bittiming:
> tq: 0, prop-seq: 0 phase-seq1: 0 phase-seq2: 0 sjw: 0, brp: 0
> can0 state: STOPPED
> can0 restart-ms: 0
> can0 ctrlmode: loopback[OFF], listen-only[OFF], tripple-sampling[OFF],one-shot[OFF], berr-reporting[OFF]
> can0 clock freq: 60000000
> can0 bittiming-constants: name esd_usb2,
> tseg1-min: 1, tseg1-max: 16, tseg2-min: 1, tseg2-max: 8,
> sjw-max 4, brp-min: 1, brp-max: 1024, brp-inc: 1,
>
> oSuseBox-IIT:/home/fgiovannini # dmesg
> [ 1189.194292] esd_usb2 1-10:1.0: can0: setting BTR=0x804d0002
> [ 1189.195338] usb 1-10: USB disconnect, device number 7
> [ 1189.432021] usb 1-10: new high-speed USB device number 8 using ehci_hcd
> [ 1189.547438] usb 1-10: New USB device found, idVendor=0ab4, idProduct=0010
> [ 1189.547442] usb 1-10: New USB device strings: Mfr=1, Product=2, SerialNumber=3
> [ 1189.547445] usb 1-10: Product: USB2292
> [ 1189.547447] usb 1-10: Manufacturer: esd electronic system design gmbh (www.esd-electronics.com)
> [ 1189.547450] usb 1-10: SerialNumber: GM001950
> [ 1189.549832] esd_usb2 1-10:1.0: can0: device can0 registered
>
>
> Weird. Looks like canconfig bitrate acts like it is unplugging and plugging the device. Is this normal?
Correct analysis. This is not normal....From you original mail:
> 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:
Why do you have compiled the esc_can2 by yourself? It is part of the
kernel. Is it not activated on suse?
Marc
--
Pengutronix e.K. | Marc Kleine-Budde |
Industrial Linux Solutions | Phone: +49-231-2826-924 |
Vertretung West/Dortmund | Fax: +49-5121-206917-5555 |
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next prev parent reply other threads:[~2014-01-31 17:44 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-31 16:09 Can't start ESD CAN-USB/2 Francesco Giovannini
2014-01-31 16:14 ` Marc Kleine-Budde
2014-01-31 17:04 ` Francesco Giovannini
2014-01-31 17:26 ` Marc Kleine-Budde
2014-01-31 17:27 ` Marc Kleine-Budde
2014-01-31 17:38 ` Francesco Giovannini
2014-01-31 17:43 ` Marc Kleine-Budde [this message]
[not found] ` <52EBE25E.40707@iit.it>
2014-01-31 17:56 ` Marc Kleine-Budde
[not found] ` <52EBF7C5.9050309@iit.it>
2014-02-01 12:21 ` Marc Kleine-Budde
[not found] ` <52ECEE3D.4000701@iit.it>
2014-02-01 14:27 ` Marc Kleine-Budde
[not found] ` <5301FF2B.4020701@iit.it>
2014-02-17 12:24 ` Francesco Giovannini
2014-02-17 13:14 ` Matthias Fuchs
2014-02-17 13:30 ` Matthias Fuchs
2014-02-17 13:37 ` Matthias Fuchs
2014-02-17 16:13 ` Francesco Giovannini
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