51單片機(jī)占空比設(shè)計(jì) 作者： 時(shí)間：2016-11-30 來(lái)源：網(wǎng)絡(luò) 加入技術(shù)交流群 掃碼加入和技術(shù)大咖面對(duì)面交流海量資料庫(kù)查詢 收藏 <a target='_blank'><img src='https://ad.eepw.com.cn/www/delivery/avw.php?zoneid=88&cb=INSERT_RANDOM_NUMBER_HERE&n=a635e61e' border='0' alt='' /></a> <a target='_blank'><img src='https://ad.eepw.com.cn/www/delivery/avw.php?zoneid=87&cb=INSERT_RANDOM_NUMBER_HERE&n=a576c0a2' border='0' alt='' /></a> void diaplay(void){static unsigned char status=0;if(!Tmr_10ms_Fg)return;P0=0xff; P2=0x01<30)T=1;break; case CutT:T--;if(T<1)T=30;break; case AddR:R++;if(R>99)R=1;break; case CutR:R--;if(R<1)R=99;break;}}bit Duty_fg=1;void duty(void){static unsigned int r=50;if(!Tmr_1ms_Fg)return;if(--r)return;OUT=Duty_fg;if(Duty_fg)r=R*T;else r=(100-R)*T;Duty_fg=~Duty_fg; }void main(void){ TMR0_Init();EA=1;while(1){timer();diaplay();duty();key();}} 上一頁(yè) 1 2 下一頁(yè)
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