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.\objects\project_l.axf: Error:L6218E:Undefined symbol data (referred from main.o),
.\Objects\project_1.axf: Error: L6218E: Undefined symbol g_usart3_buf (referred from main.o).
.lObjects\project_1.axf: Error: L6218E: Undefined symbol g_usart3_event (xeferred from main.o)
.Not enough information to list image symbols.
Not enough information to list load addresses in the image map.Finished: 2 information
错误解决,先在函数文件中定义初始化变量,再到H文件中extern,再到主C文件包含.文件就可以了
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