libftdi Archives

Subject: Re: CANUSB at Synology Diskstation DS209

From: Uwe Bonnes <bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
To: libftdi@xxxxxxxxxxxxxxxxxxxxxxx
Date: Mon, 26 Sep 2011 13:50:25 +0200
>>>>> "Bernd" == Bernd Rehlinger <breh@xxxxxx> writes:

    Bernd> Hello !  I try to get the CANUSB-Interface (www.canusb.com) work
    Bernd> on my Synology Diskstation (DS209)

    Bernd> I can't run the original driver on this machine, because there is
    Bernd> no support for ARM-Processors.

    Bernd> On ma Diskstation works an Marvell Kirkwood ARMv5TE compliant
    Bernd> (FeroceonR family) Processor with Linux Kernel Version 2.6.32

 

    Bernd> My idea is to install the libftdi, to read the data out of my
    Bernd> interface.

Does the device include an FTDI chip?
 

    Bernd> Unfortunately I don't know how to do this.

 libftdi is for writing programs, not for emulation.


    Bernd> Is anybody able to help me solve this problem ?

Is the device a SLCAN (serial line CAN) device. Is there perhaps a socketcan
driver already in the kernel. The kernel config indicates so:
config CAN_SLCAN
        tristate "Serial / USB serial CAN Adaptors (slcan)"
        depends on CAN
        default N
        ---help---
          CAN driver for several 'low cost' CAN interfaces that are attached
          via serial lines or via USB-to-serial adapters using the LAWICEL
          ASCII protocol. The driver implements the tty linediscipline N_SLCAN.

          As only the sending and receiving of CAN frames is implemented, this
          driver should work with the (serial/USB) CAN hardware from:
          www.canusb.com / www.can232.com / www.mictronics.de / www.canhack.de

Otherwise a lot of reverse engineerung effort is needed.

Bye

-- 
Uwe Bonnes                bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

Institut fuer Kernphysik  Schlossgartenstrasse 9  64289 Darmstadt
--------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------

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