liushuideng.rar_Proteus 流水灯_liushuideng

#include <REGX52.H> void Delay1ms(unsigned int count) { unsigned int i,j; for(i=0;i<count;i++) for(j=0;j<120;j++); } main() { unsigned char LEDIndex = 0; bit LEDDirection = 1; while(1) { if(LEDDirection) P1 = ~(0x01<<LEDIndex); else P1 = ~(0x80>>LEDIndex); if(LEDIndex==7) LEDDirection = !LEDDirection; LEDIndex = (LEDIndex+1)%8; Delay1ms(1000); } }