91av视频/亚洲h视频/操亚洲美女/外国一级黄色毛片 - 国产三级三级三级三级

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    發(fā)布日期: 2021-06-10
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資源簡介

利用AT89S51和DAC0832實現的函數信號發(fā)生器，可產生方波，正弦波、三角波以及鋸齒波。并可以實現調頻和調幅兩各功能，而且可頻率實時顯示.絕對原創(chuàng). 2011.5.21 現在已轉軟件開發(fā)，今天看到大家反應太貴，現下調到了5分，然后根據原理圖焊板時請在P0口加上上拉電阻，不然得不到輸出波形

資源截圖

代碼片段和文件信息 

#include?

#include?

#define?uchar?unsigned?char

#define?DA0832?XBYTE[0xffff]


uchar?code?tab[10]={0x3f0x060x5b0x4f0x660x6d0x7d0x070x7f0x6f};

uchar?code?tosin[256]={0x800x830x860x890x8d0x900x930x960x990x9c0x9f0xa20xa50xa80xab0xae0xb10xb40xb70xba0xbc0xbf0xc20xc5

0xc70xca0xcc0xcf0xd10xd40xd60xd80xda0xdd0xdf0xe10xe30xe50xe70xe90xea0xec0xee0xef0xf10xf20xf40xf5

0xf60xf70xf80xf90xfa0xfb0xfc0xfd0xfd0xfe0xff0xff0xff0xff0xff0xff0xff0xff0xff0xff0xff0xff0xfe0xfd

0xfd0xfc0xfb0xfa0xf90xf80xf70xf60xf50xf40xf20xf10xef0xee0xec0xea0xe90xe70xe50xe30xe10xde0xdd0xda

0xd80xd60xd40xd10xcf0xcc0xca0xc70xc50xc20xbf0xbc0xba0xb70xb40xb10xae0xab0xa80xa50xa20x9f0x9c0x99

0x960x930x900x8d0x890x860x830x800x800x7c0x790x760x720x6f0x6c0x690x660x630x600x5d0x5a0x570x550x51

0x4e0x4c0x480x450x430x400x3d0x3a0x380x350x330x300x2e0x2b0x290x270x250x220x200x1e0x1c0x1a0x180x16

0x150x130x110x100x0e0x0d0x0b0x0a0x090x080x070x060x050x040x030x020x020x010x000x000x000x000x000x00

0x000x000x000x000x000x000x010x02?0x020x030x040x050x060x070x080x090x0a0x0b0x0d0x0e0x100x110x130x15

0x160x180x1a0x1c0x1e0x200x220x250x270x290x2b0x2e0x300x330x350x380x3a0x3d0x400x430x450x480x4c0x4e?

0x510x550x570x5a0x5d0x600x630x66?0x690x6c0x6f0x720x760x790x7c0x80?};

uchar?fun=1b=0c=0d=0e=0tlth;


sbit??P3_0=P3^0;
sbit??P3_1=P3^1;
sbit??P3_2=P3^2;


void?key1（void）;

void?key2（void）;

void?key3（void）;

void?key4（void）;

void?judge（void）;


void?main（void）

{

TMOD=0X01;

th=0xff;

tl=0x00;

TH0=th;

TL0=tl;

ET0=1;

EA=1;

TR0=1;

while（1）

??{

???judge（）;

??}

}


void?judge（void）

{
???uchar?linede1de2keym;

P2=0xff;

keym=P2;

if（keym==0xff）return;

for（de1=0;de1<200;de1++）

?????for（de2=0;de2<125;de2++）{;}

P2=0xff;

keym=P2;

if（keym==0xff）return;

P2=0xff;

line=P2;



???if（P2==0xfe）?key1（）;

???if（P2==0xfd）?key2（）;

???if（P2==0xfb）?key3（）;

???if（P2==0xf7）?key4（）;


}


void?key1（void）?????????????//１鍵選擇發(fā)波類型1為正弦波2為三角波3為方波

{

fun++;

if（fun==5）fun=0x01;


}


void?key2（void）????????????//２鍵加大頻率

{

if（th<0xff）th++;

}

void?key3（void）???????????//３鍵減小頻率

{

if（th>0x00）th--;

}


void?key4（void）???????????//４鍵顯示頻率

{

double?t;

int?f;

TR0=0;//ＥＴ０的區(qū)別

while?（P2==0xf7）

{

t=（65535-th*256-tl）*0.5;

f=（int）（15625/（t*4））;

P3_0=0;?P3_1=0;??P3_2=0;

P1=tab[f%10];

f=f/10;

P3_0=1;?P3_1=0;??P3_2=0;

P1=tab[f%10];

f=f/10;

P3_0=0;?P3_1=1;??P3_2=0;

P1=tab[f%10];

f=f/10;

P3_0=1;?P3_1=1;??P3_2=0;

P1=tab[f];

}

TR0=1;


}


void?time0_int（void）?interrupt?1???//中斷服務程序

{

TR0=0;

if（fun==1）

????{

????DA0832=tos

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????13194??2009-06-05?21:09??xinhao\bestsave.rte

?????文件?????172992??2009-06-16?14:36??xinhao\Last?Loaded?xinhao.DBK

?????文件???????3526??2009-06-01?22:03??xinhao\xinhao.c

?????文件????????132??2009-06-05?21:10??xinhao\xinhao.DO

?????文件?????179634??2009-06-19?13:08??xinhao\xinhao.DSN

?????文件??????27483??2009-06-05?21:10??xinhao\xinhao.EDF

?????文件???????2874??2009-06-16?14:27??xinhao\xinhao.hex

?????文件????????209??2009-06-05?21:10??xinhao\xinhao.log

?????文件???????1008??2009-06-23?15:29??xinhao\xinhao.PWI

?????文件??????11839??2009-06-05?21:10??xinhao\xinhao.sts

?????文件???????3653??2009-06-05?13:57??xinhao\xinhao.txt

?????文件???????3930??2009-06-16?14:27??xinhao\信號發(fā)生器程序文檔.c

?????目錄??????????0??2009-06-23?15:29??xinhao

-----------?---------??----------?-----??----

???????????????420474????????????????????13


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