求大佬帮忙!!!
jlink调试出现如下问题的原因是什么?
Warn : Failed to retrieve serial number: LIBUSB_ERROR_TIMEOUT.
Warn : Failed to send data to device: LIBUSB_ERROR_TIMEOUT.
Warn : Failed to send data to device: LIBUSB_ERROR_TIMEOUT.
Error: Sending data to device timed out.
Error: transport_write() failed: timeout occurred.
Error: jaylink_get_firmware_version() failed: timeout occurred.
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