频率分别位100hz，50，25，20，10，5，2，1 文件内含c程序和protues仿真图
仿真截图
单片机源程序如下:
- #include <reg51.h>
- #define unit unsigned int
- #define uchar unsigned char
- sbit p10=P1^0;//P1^0输出100HZ波形
- sbit p11=P1^1;//P1^1输出50HZ波形
- sbit p12=P1^2;//P1^2输出25HZ波形
- sbit p13=P1^3;//P1^3输出20HZ波形
- sbit p14=P1^4;//P1^4输出10HZ波形
- sbit p15=P1^5;//P1^5输出5HZ波形
- sbit p16=P1^6;//P1^6输出2HZ波形
- sbit p17=P1^7;//P1^7输出1HZ波形
- uchar count0;//计数
- uchar count1;
- uchar count2;
- uchar count3;
- uchar count4;
- uchar count5;
- uchar count6;
- uchar count7;
- void main()
- {
- count0=1;
- count1=2;
- count2=4;
- count3=5;
- count4=10;
- count5=20;
- count6=50;
- count7=100;
- TMOD=0X01;//定时器0 方式1
- TH0=(65536-5000)/256;//5000个机器周期 5ms
- TL0=(65536-5000)%256;
- EA=1;
- ET0=1;
- TR0=1;
- while(1)
- {
- if(count0==0){count0=1;p10=!p10;}
- if(count1==0){count1=2;p11=!p11;}
- if(count2==0){count2=4;p12=!p12;}
- if(count3==0){count3=5;p13=!p13;}
- if(count4==0){count4=10;p14=!p14;}
- if(count5==0){count5=20;p15=!p15;}
- if(count6==0){count6=50;p16=!p16;}
- if(count7==0){count7=100;p17=!p17;}
-
- }
- }
- void counter()interrupt 1
- {
- TH0=(65536-4994)/256;
- TL0=(65536-4994)%256;
- count0--;
- count1--;
- count2--;
- count3--;
- count4--;
- count5--;
- count6--;
- count7--;
- }
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8路脉冲.zip
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