yaonew02.c

基于8051单片机的摇棒系统

#include <reg52.h>

#define SEG1 8
#define SEG2 16
#define uchar unsigned char
#define uint unsigned int

uchar th1,tl1,index,phase;
bit left_flag;

code char chara[17][3]={
{0xff,0xff,0xff},
{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},
};


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


void int0_ser() interrupt 0 using 1
{
 uint t0_counter;
 left_flag=1;
 TR0=0;
 TR1=0;
 t0_counter=TH0<<8|TL0;
 TH0=0;
 TL0=0;
 TR0=1;
 t0_counter=65535-t0_counter/SEG1;
 tl1=t0_counter%256;
 th1=t0_counter/256;
 TH1=th1;
 TL1=tl1;
 index=1;
 if (th1!=0xff || tl1!=0xff)
 {
  phase=0;
  TR1=1;
 }
 else
 {
  TR1=0;
 } 
}

void int1_ser() interrupt 2 using 2
{
 uint t0_counter;
 left_flag=0;
 TR0=0;
 TR1=0;
 t0_counter=TH0<<8|TL0;
 TH0=0;
 TL0=0;
 TR0=1;
 t0_counter=65535-t0_counter/SEG1;
 tl1=t0_counter%256;
 th1=t0_counter/256;
 TH1=th1;
 TL1=tl1;
 index=1;
 if (th1!=0xff || tl1!=0xff)
 {
  phase=17;
  TR1=1;
 }
 else
 {
  TR1=0;
 }
}

void timer1() interrupt 3 using 3
{
 P0=chara[phase][index];
 if(left_flag)
 {
  if(phase<9)
      phase++;
 }
 else
 {
  if(phase>8)
     phase--;
 } 
 TH1=th1;
 TL1=tl1;
}