yaonew01.c

基于8051单片机的摇棒系统

/******************************/
//        ---------------
//          LED显示摇棒
//        ---------------
/******************************/
#include <reg51.h>
#define SEG1 17        //每幅图片分成17列来显示
#define SEG2 8
#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;
uchar left_flag;

code char pattern[17][3]={    //3幅图片的字模
{0xff,0xff,0xff}, //在长沙的时候教过你怎么算，所以我就不多说了
{0xff,0xff,0xff},
{0xff,0xff,0xff},
{0xff,0xf9,0xff},
{0xff,0xf6,0x9f},
{0xff,0xee,0xa6},
{0xfe,0xdd,0x78},
{0x7e,0xbb,0x7f},
{0x00,0x77,0x7f},
{0x7e,0xbb,0x7f},
{0xfe,0xdd,0x78},
{0xff,0xee,0xa6},
{0xff,0xf6,0x9f},
{0xff,0xf9,0xff},
{0xff,0xff,0xff},
{0xff,0xff,0xff},
{0xff,0xff,0xff},
};
uchar phase,th1,tl1,index,count;


main()
{
    EA=0;     
    EX1=1;  
    EX0=1;
  //  ET0=1;
    ET1=1;  
    PX0=1;   
    IT1=1; 
   // IT0=1;
    TMOD=0x11;
    index=0;
    EA=1;   
    while(1)
    {
    }
}

void Int0_Handle(void) interrupt 2  using 1
{
    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/SEG1;
    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 Int1_Handle(void) interrupt 2 using 2
//{
  /*  uint t0_time;
    left_flag=0;
    TR0=0;
    TR1=0;
    TF1=0;
        t0_time=TH0<<8|TL0;
    TL0=0;
    TH0=0;
    TR0=1;
    t0_time=65535-t0_time/SEG1;
    th1=t0_time/256;
    TH1=th1;
    tl1=t0_time % 256;
    TL1=tl1;
    if (count<3*INTERVAL){     
        count++;
    }
    else{
        count=0;
    }  */
   // index=1;//count/INTERVAL;
    /*if (th1!=0xff || tl1!=0xff){ 
        phase=8;
        TR1=1;
    }
    else{
         TR1=0;
    } */
//}

void Timer1(void) interrupt 3 using 3
{
    if (phase<SEG1)           
    {
        P0=pattern[phase][index];
        phase++;
        TH1=th1;
        TL1=tl1;
    }
}