Re: Flashing USB2CAN devices under Linux and change the serial number

[Bernd Krumboeck <krumboeck@universalnet.at>]

Sorry for the long delay.

I've updated the README.md file.

regards,
Bernd


Am 2015-03-21 um 09:54 schrieb Oliver Hartkopp:
> Hello Bernd,
>
> my colleague Eike wanted to change the USB2CAN serial numbers of his devices
> to have a proper differentiation between them.
>
> For that reason Gediminas provided on the 8device download section
>
>      http://www.8devices.com/usb2can#downloads
>
> This file:
>
> http://www.8devices.com/media/files/usb2can_eeproms_dfu_ED000100-ED000226.zip
> (EEPROM images for devices with serial numbers ED000100-ED000226)
>
> The zip contains 37 dfu files named ED000xxx_1_0.dfu (xxx = different numbers)
>
> As I was successful on my setup with flashing the firmware 1.5
>
>      http://www.8devices.com/media/files/usb2can_flash_1_5.zip
>
> Eike tried to flash the serial number dfu's in the same way which didn't work.
>
> The adapter was stuck in the bootloader and he wasn't able to flash it.
> It turned out that this was a timing issue on his specific hardware and
> Gediminas suggested to *put an USB hub between the PC and the CAN adapter*
> as some new high speed USB ports create problems with the timing.
>
> That made it work!
>
> So here are the command line options from Eike to flash the adapters.
>
> Firmware: dfu-util –d 0483:df11 –a 0 –D usb2can_1_5.dfu
> SerialNo: dfu-util –d 0483:df11 –a 1 –D E000xxx_1_0.dfu
>
> Together with the two attached patches applied on the dfu-util 0.8 at
>
>      http://sourceforge.net/p/dfu-util/dfu-util/ci/master/tree/
>
> we now have a working solution to flash firmware and serial numbers with Linux.
>
> Maybe you can update the README.md at
>
>      https://github.com/krumboeck/usb2can_firmware
>
> to add these infos.
>
> (Especially link to the attachments in this post e.g. on
> http://marc.info/?l=linux-can and change the URL to the dfu-util which has
> moved from gitorious to sourceforge due to gitorious shutdown)
>
> Best regards,
> Oliver