之前还可以的, 放了一段时间再连就连不上了
openocd :
Open On-Chip Debugger 0.10.0+dev-gb0ae840-dirty (2020-10-26-10:50)
Licensed under GNU GPL v2
For bug reports, read
http://openocd.org/doc/doxygen/bugs.html
Info : only one transport option; autoselect 'jtag'
Ready for Remote Connections
Started by GNU MCU Eclipse
Info : Listening on port 6666 for tcl connections
Info : Listening on port 4444 for telnet connections
Error: WLink Open Error
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