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大家好！望大家多多指点。多谢<br />#include<AT89X51.H><br />sbit K1=p3^0;<br />sbit L1=P1^0;<br />void main(void)<br />{while(1)<br />{if(K1==0)<br />{L1=0;}<br />else{L1=1;}<br />}}<br />运行以后为什么是这样啊！<br />Build target 'Target 1'<br />assembling STARTUP.A51...<br />compiling my-test2.c...<br />MY-TEST2.C(2): error C202: 'p3': undefined identifier<br />MY-TEST2.C(6): error C202: 'K1': undefined identifier<br />Target not created<br />p3,k1是未定义标示符，要怎么定义啊，谢谢 |
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