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Daniel

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Posts posted by Daniel

  1. Hello Eric,

     

    I tested my hardware using Can4Linux, which you can get easily running on the banana pi so I know, everything is working well.

    Just reading your replay and the one of Gerd i'm trying to compile the latest 4.4.x kernel.

    Gerd, your patches seem to include all needed information, but cannot be directly applied to the latest kernel any more.

    Only using the one patch from Eric is missing some information, but when I download all 3 patches from that site: "https://github.com/GBert/sunxi-can-driver",to userpatches/kernel/sunxi-next the kernel compiles.

     

    I hope to find some time within the next week to install the kernel and test can. I will post an update.

     

    Daniel

  2. Hello,

     

    I want to use SocketCan on the Banana Pi / Allwinner A20 with the internal CAN interface.

    I have tested my hardware in the past using can4linux and also have some experience with Socketcan and other interfaces.

     

    Configuarion: Armbian

    root@bananapi:/# uname -r
    4.4.1-sunxi
     

    loaded the can driver with "modprobe sun4i_can" results in "lsmod":

    Module                  Size  Used by
    sun4i_can               5810  0
    can_dev                 8307  1 sun4i_can
     

    And dmesg states:

    [ 2632.582992] CAN device driver interface
     

    But I do not get the can0 device up:

    root@bananapi:~# ip link set can0 up type can bitrate 500000
    Cannot find device "can0"
     

    There seems to be no can device detected by the sun4i_can:

    root@bananapi:~# cat /proc/net/dev
    Inter-|   Receive                                                |  Transmit
     face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
        lo:    4307      60    0    0    0     0          0         0     4307      60    0    0    0     0       0          0
      eth0:  929191   13067    0    0    0     0          0         0   871467    4282    0    0    0     0       0          0
     bond0:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0
     

     

    Did someone else try canbus and got it running?

     

    Thanks,

     

    Daniel

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