Re: Can't start ESD CAN-USB/2

[Marc Kleine-Budde <mkl@pengutronix.de>]

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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

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