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Cannot connect to VESC via USB or SWD

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Joined: 2020-09-23 16:44
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Cannot connect to VESC via USB or SWD


my VESC (ordered from Trampa) stopped working, basically from one day to another. The Blue LED is on, not the Green one. There is no short between 3v3 and GND. When connecting via USB, there is no notification about a new device (in dmesg, as with any other device and previously also VESC).

Following the advice in many posts, I tried to reflash the firmware using a SWD debugger. I happen to have a Segger JLink which I am using for other projects. But I could neither erase nor reprogram the Chip, due to some unspecified error.

What could I try to do next? Any pointers appreciated.

Best regards,