LED显示摇棒源程序

#include <reg51.h>#define SEG 17        //每帧图片分成17列来显示#define INTERVAL 20    //每幅图片在左右摇摆20次后换下一幅typedef unsigned char uchar;typedef unsigned int uint;code char pattern[17][3]={    //3幅图片的字模{0xff,0xff,0xff},{0xff,0xff,0xff},{0xff,0xff,0xff},{0xff,0x9f,0xff},{0xff,0x6f,0xf9},{0xff,0x77,0x65},{0xfe,0xbb,0x1e},{0x7e,0xdd,0xfe},{0x00,0xee,0xfe},{0x7e,0xdd,0xfe},{0xfe,0xbb,0x1e},{0xff,0x77,0x65},{0xff,0x6f,0xf9},{0xff,0x9f,0xff},{0xff,0xff,0xff},{0xff,0xff,0xff},{0xff,0xff,0xff},};uchar phase,th1,tl1,index,count;main(){    EA=0;    EX0=1;    ET1=1;    PX0=1;            IT0=1;         TMOD=0x11;    index=0;    EA=1;    while(1)    {    }}void Int0_Handle(void) interrupt 0 using 2{    uint t0_time;    TR0=0;    TR1=0;    TF1=0;        t0_time=TH0<<8|TL0;    TL0=0;    TH0=0;    TR0=1;    t0_time=65535-t0_time/SEG;    th1=t0_time/256;    TH1=th1;    tl1=t0_time % 256;    TL1=tl1;    if (count<3*INTERVAL){        //3幅图片循环        count++;    }    else{        count=0;    }    index=count/INTERVAL;    if (th1!=0xff || tl1!=0xff){    //如果摆动特别慢，定时器溢出就不显示        phase=0;        TR1=1;    }    else{        TR1=0;    }}void Timer1(void) interrupt 3 using 3{    if (phase<SEG)            //17段依次显示    {        P1=pattern[phase][index];        phase++;        TH1=th1;        TL1=tl1;    }}