当kill编译时出现如下警告
Build target 'Target 1'
linking...
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?_LCD_SHOWCHAR?LCD1602
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?_LCD_SHOWSTRING?LCD1602
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?_LCD_SHOWNUM?LCD1602
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?_LCD_SHOWSIGNEDNUM?LCD1602
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?_LCD_SHOWHEXNUM?LCD1602
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?_LCD_SHOWBINNUM?LCD1602
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?_DELAY?DELAY
Program Size: data=38.0 xdata=0 code=582
creating hex file from ".\Objects\project001"...
".\Objects\project001" - 0 Error(s), 7 Warning(s).
Build Time Elapsed: 00:00:00
如图路径输入16即可有消除比编译警告