标题:
Proteus函数信号发生器 仿真+代码
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作者:
ewrw
时间:
2017-5-23 12:20
标题:
Proteus函数信号发生器 仿真+代码
Proteus函数信号发生器原理图(仿真工程文件可到附件中下载):
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单片机源程序如下(正弦波和方波):
//频率可调方波
//============
#include <reg51.h>
sbit fangbo=P3^5;
void clearmen();
void keyscan();
//=================
void main()
{
clearmen();
while(1)
{keyscan();}
}
//====================
void clearmen()
{
P3=0xff;THHL=6555;
TH1=THHL/256;TL1=THHL%256;
TMOD=0x11;ET1=1;TR1=1;EA=1;
}
复制代码
#include <reg51.h>
#define uchar unsigned char
#define dataout P0
void clearmen();
unsigned int a;
void keyscan();
void delay1ms(unsigned char ms);
sbit fangbo=P3^7;
//=============正弦波数据====================
uchar code sin_tab[128]={64,67,70,73,76,79,82,85,88,91,94,96,99,102,104,106,
109,111,113,115,117,118,120,121,123,124,125,126,126,
127,127,127,127,127,127,127,126,126,125,124,123,121,
120,118,117,115,113,111,109,106,104,102,99,96,94,91,
88,85,82,79,76,73,70,67,64,60,57,54,51,48,45,42,39,
36,33,31,28,25,23,21,18,16,14,12,10,9,7,6,4,3,2,1,
1,0,0,0,0,0,0,0,1,1,2,3,4,6,7,9,10,12,14,16,18,21,23,
25,28,31,33,36,39,42,45,48,51,54,57,60
};
unsigned int data THHL =65535;
uchar n=0;
sbit K1=P1^4;
bdata sinthr;
//===============================================================
void main()
{
clearmen();
while(1)
{keyscan();}
}
//===============================================================
void keyscan()
{
if(K1==0)
{
delay1ms(10);
while(K1==0);
THHL=THHL+255;
if(THHL >= 65235)THHL=65535;
}
}
//================================================================
void clearmen()
{
dataout=0x00;THHL=56555;
P3=0xff;
TH1=THHL/256;TL1=THHL%256;
TMOD=0x11;ET1=1;TR1=1;EA=1;
P3=0x00;
a=0;
}
//===============================================================
void time_intt1(void) interrupt 3
{
EA=0;TR1=0;TH1=THHL/256;TL1=THHL%256;TR1=1;
dataout=sin_tab[a];
fangbo=~fangbo;
n++;
a++;
if(n> 255){n=0;}
if(a>127){a=0;}
……………………
…………限于本文篇幅 余下代码请从51黑下载附件…………
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作者:
zm3386491
时间:
2017-6-12 16:34
顶 好东西 值得分享!!!!!!!!!!!!!!
作者:
糖糖有点咸
时间:
2017-6-26 16:07
谢谢分享
作者:
lehigh
时间:
2017-6-30 13:52
仿真源文件呢,尴尬
作者:
小飞123456
时间:
2018-11-20 14:51
很棒 挺好的 就是么有源文件
作者:
hongaa
时间:
2018-11-20 18:50
顶 好东西 值得分享!!!!!!!!!!!!!!
作者:
zyddan
时间:
2018-12-7 10:03
proteus仿真图呢
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