51单片机 漩涡流水点阵
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#include
typedefunsignedcharuchar;
typedefunsignedintuint;
typedefunsignedlongulong;
sbitADDR0=P1^0;
sbitADDR1=P1^1;
sbitADDR2=P1^2;
sbitADDR3=P1^3;
sbitENLED=P1^4;
ucharimage[8]={
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF
};
ucharT0RH,T0RL;
uintrate;
voidLEDScan();
voidresetImage();
voidconfigTmr0(uintms1,ucharms2);
voidmain(){
EA=1;
ADDR3=0;
ENLED=0;
configTmr0(50,2);
while(1);
}
voidconfigTmr0(uintms1,ucharms2){
ulongtmp;
rate=ms1/ms2;
tmp=11059200/12;//定时器计数频率
tmp=(tmp*ms2)/1000;//计算所需的计数值
tmp=65536-tmp;//计算定时器重载值
tmp=tmp+12;//补偿中断响应延时造成的误差
T0RH=tmp>>8;//定时器重载值拆分为高低字节
T0RL=tmp;
TMOD&=0xF0;
TMOD|=0x01;
TH0=T0RH;
TL0=T0RL;
ET0=1;
TR0=1;
}
#defineLEDScan();{
staticuchari=0;
P0=0xFF;
P1=(P1&0xF8)|i;
P0=image[i];
i=++i&0x07;
}
voidresetImage(){
staticucharx=0,y=0;
image[y]^=(0x80>>x);
if(x==3&&y==4){
x=0;
y=0;
}
elseif(y<=x+1&&x+y<7){
x++;
}
elseif(x+y>=7&&y y++; } elseif(y>=x&&x+y>7){ x--; } else y--; } voidinterruptTmr0()interrupt1{ staticuinti=0; TH0=T0RH; TL0=T0RL; LEDScan(); if(i==rate){ resetImage(); i=0; } else i++; } 双向流水： #include typedefunsignedcharuchar; typedefunsignedintuint; typedefunsignedlongulong; sbitADDR0=P1^0; sbitADDR1=P1^1; sbitADDR2=P1^2; sbitADDR3=P1^3; sbitENLED=P1^4; ucharimage[8]={ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF }; ucharT0RH,T0RL; uintrate; voidLEDScan(); voidresetImage(); voidconfigTmr0(uintms1,ucharms2); voidmain(){ EA=1; ADDR3=0; ENLED=0; configTmr0(50,2); while(1); } voidconfigTmr0(uintms1,ucharms2){ ulongtmp; rate=ms1/ms2; tmp=11059200/12;//定时器计数频率 tmp=(tmp*ms2)/1000;//计算所需的计数值 tmp=65536-tmp;//计算定时器重载值 tmp=tmp+12;//补偿中断响应延时造成的误差 T0RH=tmp>>8;//定时器重载值拆分为高低字节 T0RL=tmp; TMOD&=0xF0; TMOD|=0x01; TH0=T0RH; TL0=T0RL; ET0=1; TR0=1; } #defineLEDScan();{ staticuchari=0; P0=0xFF; P1=(P1&0xF8)|i; P0=image[i]; i=++i&0x07; } voidresetImage(){ staticucharx=0,y=0; image[y]^=(0x80>>x); image[7-y]^=(0x01< if(x==3&&y==4){ x = 0;
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