shumaguan.rar_共阳极数码管_电量

#include<reg52.h> #include<intrins.h> #define uchar unsigned char #define unit unsigned int uchar num; uchar code table[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e}; void delayms(unit); void main() { uchar i,wei=0x8; while(1) { for(i=1;i<8;i++) { P0=0xff; P0=table[i]; wei=_crol_(wei,1); P3=wei; delayms(1); } } } void delayms(unit xms) { unit i,j; for(i=xms;i>0;i--) for(j=110;j>0;j--); }