51单片机数组实现流水灯

#include <REGX52.H> sbit S = P3 ^ 1; /*****************************************************/ void delay(unsigned int i) { while (i--); } /*******************************************************/ void main() { unsigned char i; unsigned char display[] = { 0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f }; P2 = 0xff; if (S == 0) { delay(1200); while (!S); delay(1200); while (1) { for (i = 0; i <= 7; i++) { P2 = display[i]; delay(40000); } } } }