keil c中如何把lib文件连接进去

我用了公司提供的文件库,好象是ch375hft4.lib,在keil中老是出现问题.*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: CH375BYTEWRITE MODULE: C:\ZHY\CH375HFT.OBJ (CH375HFT) ADDRESS: 049CH

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: CH375BYTEWRITE MODULE: C:\ZHY\CH375HFT.OBJ (CH375HFT) ADDRESS: 04BAH

具体如何操作你可以参考一下http://www.wch.cn/bbs/View.asp?S=101&I=1511


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