基于51单片机的c语言程序 电机转速测量与PWM控制

上传者: kaidada | 上传时间: 2019-12-21 20:02:32 | 文件大小: 104KB | 文件类型: zip
部分源程序如下: //=================测速计数处理=================================== void timer1()interrupt 3 {time1++;} //+++++++++++++++++测速转换处理+++++++++++++++++++++++ void int1()interrupt 2 { long kA=0; uchar temp; TR1=0; if(SP_bit==0) {TR1=1;SP_bit=1;} else { kA=time1*65536+TH1*256+TL1; temp=2500000/kA; SP_out=temp; TH1=0x00; TL1=0x00; time1=0x00; TR1=0; SP_bit=0; } } //================PWM处理与数据采集处理函数=================== void PWM_generator() interrupt 1 using 0 { if(flag==1) { a--; if(a==0) {flag=0; if(K_B_bit==1) a=UK; else a=SP_in; } else {OUT_PWM=0;} } if(flag==0) { b--; if(b==0) {flag=1; if(K_B_bit==1) b=0xff-UK; else b=0xff-SP_in; } else {OUT_PWM=1;} } m++; if(m==20) { m=0; n++; if(n==40) { n=0; EK0=SP_in-SP_out; PI_bit=1; } } }

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评论信息

  • qq_26661861 :
    正在学习51单片机的光电编码器的车速控制,解决了燃眉之急
    2015-03-18
  • didadidadige :
    谢谢,对我帮助很大
    2015-02-03
  • abcdehhy12345 :
    有帮助,有效果!
    2014-05-15
  • 楚地小子 :
    有帮助,有效果!
    2014-04-29
  • gyy900325 :
    谢谢,对我帮助很大
    2014-02-18

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