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我是初學(xué)者，看了半天程序應(yīng)該沒啥毛病呀，問題是編譯器提示警告，基礎(chǔ)東西搞不定，請(qǐng)教大師些
Build target '目標(biāo) 1'
assembling STARTUP.A51...
compiling led3.c...
linking...
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?DELAY?LED3
Program Size: data=9.0 xdata=0 code=44
"led3" - 0 Error(s), 1 Warning(s).
- #include<reg52.h>
- sbit led1=P1^2;
- sbit led2=P1^3;
- void delay();
- void main()
- {
- while(1);
- {
- led1=0;
- led2=1;
- delay();
- led1=1;
- led2=0;
- delay();
- }
- }
- void delay()
- {
- unsigned int i,j;
- for(i=500;i>0;i--)
- for(j=114;j>0;j--);
- }
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