Add Why it said __USB_ERROR_CANNOT_SET_CONFIG__

MarsTechHAN / ch552tool

An open sourced python tool for flashing WCH CH55x series USB microcontroller with bootloader v2.30, v2.31 & v2.40.

GNU General Public License v3.0

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Add Why it said __USB_ERROR_CANNOT_SET_CONFIG__ #5

Closed vowstar closed 4 years ago

vowstar commented 4 years ago

This high probability is a permission issue. Add SUBSYSTEM=="usb", ATTRS{idVendor}=="4348", MODE="0666" to /etc/udev/rules.d/50-ch55x.rules, and re-plug your device. Otherwise you need sudo.