DAC在Proteus中软件仿真生成波形矩形三角锯齿正弦.docx

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DAC在Proteus中软件仿真生成波形矩形三角锯齿正弦.docx

DAC在Proteus中软件仿真生成波形矩形三角锯齿正弦

ThelatestrevisiononNovember22,2020

 

DAC在Proteus中软件仿真生成波形矩形三角锯齿正弦

1.电路图

2.锯齿波

3.三角波

4.矩形波

5.正弦波

代码

#include<>

#include<>

#defineDAC0832XBYTE[0x7fff]

#defineucharunsignedchar

#defineuintunsignedint

//生成波形期间对应的按键要一直按下

sbitkey1=P1^0;

sbitkey2=P1^1;

sbitkey3=P1^2;

sbitkey4=P1^3;

//下面的编码定义是由正弦波数据生成器所生成,可以XX下载

ucharcodesin_tab[]=

{

0x7F,0x82,0x85,0x88,0x8B,0x8F,0x92,0x95,0x98,0x9B,0x9E,0xA1,0xA4,0xA7,0xAA,0xAD

0xB0,0xB3,0xB6,0xB8,0xBB,0xBE,0xC1,0xC3,0xC6,0xC8,0xCB,0xCD,0xD0,0xD2,0xD5,0xD7

0xD9,0xDB,0xDD,0xE0,0xE2,0xE4,0xE5,0xE7,0xE9,0xEB,0xEC,0xEE,0xEF,0xF1,0xF2,0xF4

0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFB,0xFC,0xFD,0xFD,0xFE,0xFE,0xFE,0xFE,0xFE

0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFD,0xFD,0xFC,0xFB,0xFB,0xFA,0xF9,0xF8,0xF7,0xF6

0xF5,0xF4,0xF2,0xF1,0xEF,0xEE,0xEC,0xEB,0xE9,0xE7,0xE5,0xE4,0xE2,0xE0,0xDD,0xDB

0xD9,0xD7,0xD5,0xD2,0xD0,0xCD,0xCB,0xC8,0xC6,0xC3,0xC1,0xBE,0xBB,0xB8,0xB6,0xB3

0xB0,0xAD,0xAA,0xA7,0xA4,0xA1,0x9E,0x9B,0x98,0x95,0x92,0x8F,0x8B,0x88,0x85,0x82

0x7F,0x7C,0x79,0x76,0x73,0x6F,0x6C,0x69,0x66,0x63,0x60,0x5D,0x5A,0x57,0x54,0x51

0x4E,0x4B,0x48,0x46,0x43,0x40,0x3D,0x3B,0x38,0x36,0x33,0x31,0x2E,0x2C,0x29,0x27

0x25,0x23,0x21,0x1E,0x1C,0x1A,0x19,0x17,0x15,0x13,0x12,0x10,0x0F,0x0D,0x0C,0x0A

0x09,0x08,0x07,0x06,0x05,0x04,0x03,0x03,0x02,0x01,0x01,0x00,0x00,0x00,0x00,0x00

0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x02,0x03,0x03,0x04,0x05,0x06,0x07,0x08

0x09,0x0A,0x0C,0x0D,0x0F,0x10,0x12,0x13,0x15,0x17,0x19,0x1A,0x1C,0x1E,0x21,0x23

0x25,0x27,0x29,0x2C,0x2E,0x31,0x33,0x36,0x38,0x3B,0x3D,0x40,0x43,0x46,0x48,0x4B

0x4E,0x51,0x54,0x57,0x5A,0x5D,0x60,0x63,0x66,0x69,0x6C,0x6F,0x73,0x76,0x79,0x7C

};

//

voiddelayms(uintxms)

{

uinti,j;

for(i=xms;i>0;i--)

for(j=110;j>0;j--)

;

}

//

voidjuxing()

{

uchari;

for(i=0;i<0xff;i++)

DAC0832=0;

for(i=0;i<0xff;i++)

DAC0832=0xff;

}

//

voidsanjiao()

{

uchari;

for(i=0;i<0xff;i++)

DAC0832=i;

for(i=0xff;i>0;i--)

DAC0832=i;

}

//

voidjuchi()

{

uchari;

for(i=0;i<0xff;i++)

{

DAC0832=i;

}

}

//

voidsin_func()

{

uchari;

for(i=0;i<0xff;i++)

{

DAC0832=sin_tab[i];

if(i==0xff)

i=0;

}

}

//

voidmain()

{

while

(1)

{

if(key1==0)

{

delayms(10);//延时去抖动

if(key1==0)

{

while(!

key1)

{

juxing();

}

}

}

//

if(key2==0)

{

delayms(10);

if(key2==0)

{

while(!

key2)

{

sanjiao();

}

}

}

//

if(key3==0)

{

delayms(10);

if(key3==0)

{

while(!

key3)

{

juchi();

}

}

}

//

if(key4==0)

{

delayms(10);

if(key4==0)

{

while(!

key4)

{

sin_func();

}

}

}

}

}

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