做keil的时候报不能生成文件，但已经没有错误了，求解求解orz
Build target 'Target 1'
linking.
*** ERROR L104: MULTIPLE PUBLIC DEFINITIONS
SYMBOL: HC595_BUF
MODULE: runei.obj (RUNEI)
*** ERROR L104: MULTIPLE PUBLIC DEFINITIONS
SYMBOL: LED_CLEAR
MODULE: runei.obj (RUNEI)
*** ERROR L104: MULTIPLE PUBLIC DEFINITIONS
SYMBOL: _LED_DISPLAYDATA
MODULE: runei.obj (RUNEI)
*** ERROR L104: MULTIPLE PUBLIC DEFINITIONS
SYMBOL: _HC595_SEND_BYTE
MODULE: runei.obj (RUNEI)
*** ERROR L104: MULTIPLE PUBLIC DEFINITIONS
SYMBOL: HC595_DATAOUT
MODULE: runei.obj (RUNEI)
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?_DELAY_10US?BJDJ
Program Size: data=33.0 xdata=0 code=1137
Target not created
