keil5 编译出现Build Time Elapsed: 00:00:01如何解决

[sinat_33819846]

Build target 'Target 1'
linking...
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?CLRGDRAM?MAIN
*** WARNING L15: MULTIPLE CALL TO SEGMENT
SEGMENT: ?PR?_HZKDIS?MAIN
CALLER1: ?C_C51STARTUP
CALLER2: ?PR?INT3?MAIN
*** WARNING L15: MULTIPLE CALL TO SEGMENT
SEGMENT: ?PR?_HZKDIS?MAIN
CALLER1: ?PR?INT3?MAIN
CALLER2: ?PR?INT1?MAIN
Program Size: data=17.1 xdata=106 code=11412
creating hex file from ".\Objects\Calendar4"...
".\Objects\Calendar4" - 0 Error(s), 3 Warning(s).
Build Time Elapsed: 00:00:01

[zhxianbin]

0 Error(s), 3 Warning(s).

[HisenBerg123]

这个不是为问题，复位就行了

[dceacho]

英语很重要

引用

*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?PR?CLRGDRAM?MAIN

有些部分（函数，变量等，这里指main中的clrgdram）没任何地方调用，忽略或覆盖处理

引用

*** WARNING L15: MULTIPLE CALL TO SEGMENT SEGMENT: ?PR?_HZKDIS?MAIN CALLER1: ?C_C51STARTUP CALLER2: ?PR?INT3?MAIN *** WARNING L15: MULTIPLE CALL TO SEGMENT SEGMENT: ?PR?_HZKDIS?MAIN CALLER1: ?PR?INT3?MAIN CALLER2: ?PR?INT1?MAIN

调用冲突，不是指多次调用，是指可能出现“同一时刻” 两个地方都在call同一函数，一般出现在中断里，外面在调用某一f(),执行到一半时中断来了然后又调用f()就出问题了，PC软件上没这问题，不过51资源少，最好别这样，不得不这样的时候可以参考reentrary关键字