compiling beep.c...
linking...
.\output\工程模板.axf: Error: L6218E: Undefined symbol delay (referred from beep.o).
.\output\工程模板.axf: Not enough information to list image symbols.
.\output\工程模板.axf: Finished: 1 information, 0 warning and 1 error messages.
Target not created
这是怎么回事？
/2 
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发表于 2017-5-21 15:05:30
