简易数字信号发生器c语言程序,简单信号发生器源程序C语言代码

素颜马尾好姑娘i 2023-01-22 12:57 9阅读 0赞

\#include \#define DA0832 XBYTE\[0Xa000\]

\#define uchar unsigned char

\#define S1 XBYTE\[0X0000\]

\#define S2 XBYTE\[0X2000\]

\#define S3 XBYTE\[0X4000\]

uchar code tab\[10\]=\{0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f\};

uchar code tosin\[256\]=\{0x80,0x83,0x86,0x89,0x8d,0x90,0x93,0x96,0x99,0x9c,0x9f,0xa2,0xa5,0xa8,0xab,0xae,0xb1,0xb4,0xb7,0xba,0xbc,0xbf,0xc2,0xc5

,0xc7,0xca,0xcc,0xcf,0xd1,0xd4,0xd6,0xd8,0xda,0xdd,0xdf,0xe1,0xe3,0xe5,0xe7,0xe9,0xea,0xec,0xee,0xef,0xf1,0xf2,0xf4,0xf5

,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,0xfd,0xfe,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0xfd

,0xfd,0xfc,0xfb,0xfa,0xf9,0xf8,0xf7,0xf6,0xf5,0xf4,0xf2,0xf1,0xef,0xee,0xec,0xea,0xe9,0xe7,0xe5,0xe3,0xe1,0xde,0xdd,0xda

,0xd8,0xd6,0xd4,0xd1,0xcf,0xcc,0xca,0xc7,0xc5,0xc2,0xbf,0xbc,0xba,0xb7,0xb4,0xb1,0xae,0xab,0xa8,0xa5,0xa2,0x9f,0x9c,0x99

,0x96,0x93,0x90,0x8d,0x89,0x86,0x83,0x80,0x80,0x7c,0x79,0x76,0x72,0x6f,0x6c,0x69,0x66,0x63,0x60,0x5d,0x5a,0x57,0x55,0x51

,0x4e,0x4c,0x48,0x45,0x43,0x40,0x3d,0x3a,0x38,0x35,0x33,0x30,0x2e,0x2b,0x29,0x27,0x25,0x22,0x20,0x1e,0x1c,0x1a,0x18,0x16

,0x15,0x13,0x11,0x10,0x0e,0x0d,0x0b,0x0a,0x09,0x08,0x07,0x06,0x05,0x04,0x03,0x02,0x02,0x01,0x00,0x00,0x00,0x00,0x00,0x00

,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02 ,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0d,0x0e,0x10,0x11,0x13,0x15

,0x16,0x18,0x1a,0x1c,0x1e,0x20,0x22,0x25,0x27,0x29,0x2b,0x2e,0x30,0x33,0x35,0x38,0x3a,0x3d,0x40,0x43,0x45,0x48,0x4c,0x4e

,0x51,0x55,0x57,0x5a,0x5d,0x60,0x63,0x66 ,0x69,0x6c,0x6f,0x72,0x76,0x79,0x7c,0x80 \};

uchar fun=0,b=0,c=0,d=0,tl,th;

void key1(void);

void key2(void);

void key3(void);

void key4(void);

void judge(void);

void main(void)

TMOD=0X01;

tr0=1;

th=0xff;

tl=0xd0;

TH0=th;

TL0=tl;

ET0=1;

EA=1;

while(1)

judge();

void judge(void)

uchar line,row,de1,de2,keym;

P1=0x0f;

keym=P1;

if(keym==0x0f)return;

for(de1=0;de1<200;de1++)

for(de2=0;de2<125;de2++)\{;\}

P1=0x0f;

keym=P1;

if(keym==0x0f)return;

P1=0x0f;

line=P1;

P1=0xf0;

row=P1;

line=line+row;/\*存放特征键值\*/

if(line==0xde)key1();

if(line==0x7e)key2();

if(line==0xbd)key3();

if(line==0x7d)key4();

void key1(void) //１键选择发波类型,1为正弦波,2为三角波,3为方波

fun++;

if(fun==4)fun=0x00;

void key2(void) //２键加大频率

tl++;

if(tl==0x1f)th++;

void key3(void) //３键减小频率

tl--;

if(tl==0x00)th--;

void key4(void) //４键显示频率

double t;

int f;

tr0=0;//ＥＴ０的区别

t=(65535-th\*256-tl)\*0.4;

f=(int)(1000/t);

S3=tab\[f%10\];

f=f/10;

S2=tab\[f%10\];

f=f/10;

if(f==0)S1=0;

else S1=tab\[f\];

tr0=1;

void TIme0\_int(void) interrupt 1 //中断服务程序

tr0=0;

if(fun==1)

DA0832=tosin; //正弦波

b++;

else if(fun==2) //三角波

if(c<128)DA0832=c;

else DA0832=255-c;

c++;

else if(fun==3) // 方波

d++;

if(d<=128)DA0832=0x00;

else DA0832=0xff;

TH0=th;

TL0=tl;

tr0=1;

简易数字信号发生器c语言程序,简单信号发生器源程序C语言代码

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