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    • STM32F4 USB connection unrecognised

    Posted by jLn_38 on 2017-05-19 08:27

    Hi Konje,

    Did you check that Udev rules are installed ?
    FYI The SystemWorkbench installer packages all the required stuff to enable STLink through USB.

    Here are the expected rules:

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    $ ls -1 /etc/udev/rules.d/*stlink*
/etc/udev/rules.d/49-stlinkv1.rules
/etc/udev/rules.d/49-stlinkv2-1.rules
/etc/udev/rules.d/49-stlinkv2.rules
    Reads: 3462
    Posted by konje on 2017-05-19 11:11

    Yes, I have them isntalled. Also I checked the board on another PC that I programmed the STM board before and I also got connection error this time. The power led lights up and programator LED1 blinks red - if thats any indication.

    I imagine that udev rules should work on reboot. Alternativelly, I treid restart udev rules command but for some reason that command didnt work, I got: "failed to connect to upstart" (apparetnly upstart was replaced by systemd).


     
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