立体声音频功率放大电路论文(12)

if(volume>0) { volume--; C=volume/4; M=(volume%4)/2; A=volume%2;

DisplayOneChar(volume+6,1,' ');

DisplayOneChar(4,1,dis_num[volume+1]);

}

}

while(!Vol_m);

}

if(!Relay_U) { Delay5Ms(); if(!Relay_U) { if(relay<8) { relay*=2;

Relay1=(~(relay&0x01))&0x01;

Relay2=(~((relay&0x02)>>1))&0x01; Relay3=(~((relay&0x04)>>2))&0x01; Relay4=(~((relay&0x08)>>3))&0x01;

}

temprelay=relay;

DisplayOneChar(4,0,table[temprelay]);

}

while(!Relay_U);

}

if(!Relay_D) { Delay5Ms(); if(!Relay_D) {

if(relay>1) { relay/=2;

Relay1=(~(relay&0x01))&0x01;

Relay2=(~((relay&0x02)>>1))&0x01;

Relay3=(~((relay&0x04)>>2))&0x01;