51单片机 8*8LED点阵横向流水 使用位运算生成中间帧

#include

typedefunsignedcharuchar;

sbitADDR0=P1^0;

sbitADDR1=P1^1;

sbitADDR2=P1^2;

sbitADDR3=P1^3;

sbitENLED=P1^4;

codeucharimage[5][8]={

{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF},//??¨?”???§0

{0xFF,0xC3,0xE7,0xE7,0xE7,0xE7,0xE7,0xC3},//??¨?”???§8

{0xFF,0x99,0x00,0x00,0x00,0x81,0xC3,0xE7},//??¨?”???§16

{0xFF,0x99,0x99,0x99,0x99,0x99,0x81,0xC3},//??¨?”???§24

{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF}//??¨?”???§32

};

voidmain(){

EA=1;

ENLED=0;

ADDR3=0;

TMOD=0x01;

TH0=0xFC;

TL0=0x67;

ET0=1;

TR0=1;

while(1);

}

voidinterruptTimer0()interrupt1{

staticuchari=0,tmr=0,index=0;

ucharp=index/8,q=index%8;

TH0=0xFC;

TL0=0x67;

P0=0xFF;

P1=(P1&0xF8)|i;

if(q==0)P0=image[p][i];

elseP0=(image[p][i]<>(8-q));

if(i<7)i++;

elsei=0;

if(tmr<125)tmr++;

else{

tmr=0;

if(index<39)index++;

elseindex=0;

}

}

反向移动：

#include

typedefunsignedcharuchar;

sbitADDR0=P1^0;

sbitADDR1=P1^1;

sbitADDR2=P1^2;

sbitADDR3=P1^3;

sbitENLED=P1^4;

codeucharimage[5][8]={

{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF},//??¨?”???§0

{0xFF,0xC3,0xE7,0xE7,0xE7,0xE7,0xE7,0xC3},//??¨?”???§8

{0xFF,0x99,0x00,0x00,0x00,0x81,0xC3,0xE7},//??¨?”???§16

{0xFF,0x99,0x99,0x99,0x99,0x99,0x81,0xC3},//??¨?”???§24

{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF}//??¨?”???§32

};

voidmain(){

EA=1;

ENLED=0;

ADDR3=0;

TMOD=0x01;

TH0=0xFC;

TL0=0x67;

ET0=1;

TR0=1;

while(1);

}

voidinterruptTimer0()interrupt1{

staticuchari=0,tmr=0,index=0;

ucharp=index/8,q=index%8,tmp;

TH0=0xFC;

TL0=0x67;

P0=0xFF;

P1=(P1&0xF8)|i;

if(q==0)P0=image[p][i];

else{

tmp=(image[p][i]<>(8-q));

tmp=(tmp<<1&0xAA)|(tmp>>1&0x55);

tmp=(tmp<<2&0xCC)|(tmp>>2&0x33);

tmp=(tmp<<4)|(tmp>>4);

P0=tmp;

}

if(i<7)i++;

elsei=0;

if(tmr<125)tmr++;

else{

tmr=0;

if(index<39)index++;

elseindex=0;

}

}