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51单片机 LED点阵的呼吸灯效果
STC 89C52RC#includetypedefunsignedcharuchar;typedefunsignedintuint;typedefunsignedlongulong;sbitADDR0=P1^0;sbitADDR1=P1^1;sbitADDR2=P1^2;sbitADDR3=P1^3;sbitENLED=P1^4;ulongperiodCnt=0;//PWM周期计数值u
STC 89C52RC#includetypedefunsignedcharuchar;typedefunsignedintuint;typedefunsignedlongulong;sbitADDR0=P1^0;sbitADDR1=P1^1;sbitADDR2=P1^2;sbitADDR3=P1^3;sbitENLED=P1^4;ulongperiodCnt=0;//PWM周期计数值u
