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資源簡介

基于51單片機的電流電壓采集程序,有串口通信和led顯示,自己編寫,完全可以使用

資源截圖

代碼片段和文件信息

#?include?
#?include?




sbit?rs=P0^7;
sbit?rw=P0^6;
sbit?ep=P0^5;

unsigned?char?dis1[4];
unsigned?char?dis2[4];
unsigned?char?chv=0x00;
unsigned?char?cha=0x70;
//unsigned?char?chv;
unsigned?int?date_v=0;
unsigned?int?date_a=0;


sbit?EOC=P1^0;
sbit?CS=P1^4;
sbit?IO_CLK=P1^1;
sbit?DAT_IN=P1^2;
sbit?DAT_OUT=P1^3;


void?init()?//初始化uart
{
??
??
????TMOD=0X20;??//定時器1定時器方式??工作模式2,可自動重載的8位計數器常把定時/計數器1以模式2作為串行口波特率發生器
SCON=0XD0;?//選擇工作模式1使能接收,允許發送,允許接收
????EA=1;?//開總中斷
? ES=1;??//打開串口中斷
? ET1=0;??//打開定時器中斷
????PCON=0X00;?//8位自動重載,波特率加倍
? TH1=0Xfd;??//用22.1184?mhz波特率
? TL1=0Xfd;
??? TR1=1;?//打開中時器
????

}


void?UART_Putch(unsigned?char?dat)??//輸出一個字符
{
? SBUF=dat;?//把數據送給sbuf緩存器中
? while(TI!=1);//發送標志位?TI如果發送了為1,沒發送為0,沒發送等待,到了退出循環
? TI=0;??//到了,TI清為0
}



unsigned?int?read_tlc2543(unsigned?char?M)//M?為十六進制;
{
unsigned?char?ictrl_word;
unsigned?int?ad_result=0;
DAT_OUT=1;
ctrl_word=M;
CS=1;
IO_CLK=0;
CS=0;
for(i=0;i<8;i++)
{
DAT_IN=ctrl_word&0x80;
ctrl_word=ctrl_word<<1;
IO_CLK=1;
ad_result=ad_result<<1;
if(DAT_OUT)
ad_result=ad_result+1;
IO_CLK=0;
}
for(i=8;i<12;i++)
{
IO_CLK=1;
ad_result=ad_result<<1;
if(DAT_OUT)
ad_result=ad_result+1;
IO_CLK=0;
}
CS=1;
return?ad_result;
}




void?delay?(int?m)
{
?unsigned?char?ij;
?for?(i=0;i?for?(j=0;j<253;j++);
}

bit?lcd_bz()
{
??bit?result;
??rs=0;???????????//?讀忙信號
??rw=1;
??ep=1;
??_nop_();
??_nop_();
??_nop_();
??_nop_();
??result?=?(bit)(P2&0x80);
??ep=0;
??return?result;
}

void?lcd_wcmd?(unsigned?char?cmd)
{
??while?(lcd_bz());
??rs=0;
??rw=0;
??ep=0;
??_nop_();
??_nop_();
??P2=cmd?;
??_nop_();
??_nop_();
??_nop_();
??_nop_();
??ep=1;
??_nop_();
??_nop_();
??_nop_();
??_nop_();
??ep=0;
}

void?lcd_pos?(unsigned?char?pos)
{
??lcd_wcmd?(pos|0x80);
}

void?lcd_wdat?(unsigned?char?dat)
{
???while?(lcd_bz());
??rs=1;
??rw=0;
??ep=0;
??_nop_();
??_nop_();
??P2=dat?;
??_nop_();
??_nop_();
??_nop_();
??_nop_();
??ep=1;
??_nop_();
??_nop_();
??_nop_();
??_nop_();
??ep=0;
}

void?lcd_init?()
{
??lcd_wcmd?(0x38);
??delay?(1);
??lcd_wcmd?(0x0c);
??delay?(1);
??lcd_wcmd?(0x06);
??delay?(1);
??lcd_wcmd?(0x01);
??delay?(1);
}

void?lcd_dis(unsigned?char?poseunsigned?char?*dis)
{
unsigned?char?i;
??//lcd_init?();
??delay?(10);

??lcd_pos?(pose);
??for(i=0;i<4;i++)
??{
?? lcd_wdat(dis[i]+0x30);
??}
?

}

void?convert(unsigned?int??aunsigned?char?*dis1)//電流
{
unsigned?int?tempb;
b=a/1000;
if(b!=0)
dis1[0]=(unsigned?char)b;
else
dis1[0]=0;
temp=a%1000;
b=temp/100;
if(b!=0)
dis1[1]=(unsigned?char)b;
else
dis1[1]=0;
temp=temp%100;
b=temp/10;
if(b!=0)
dis1[2]=(unsigned?char)b;
else
dis1[2]=0;
b=temp%10;
if(b!=0)
dis1[3]=(unsigned?char)b;
else
dis1[3]=0;
}

void?main?()
{
??init();
??lcd_init?();
??read_tlc2543(

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-07-13?14:12??基于51單片機電流電壓采集\
?????文件???????13958??2013-07-13?14:12??基于51單片機電流電壓采集\0713
?????文件???????19873??2013-07-13?14:12??基于51單片機電流電壓采集\0713.M51
?????文件????????1080??2013-07-13?14:12??基于51單片機電流電壓采集\0713.Opt
?????文件?????????852??2013-07-13?14:12??基于51單片機電流電壓采集\0713.plg
?????文件????????2046??2013-07-13?14:12??基于51單片機電流電壓采集\0713.Uv2
?????文件???????????0??2013-07-13?14:03??基于51單片機電流電壓采集\0713_Uv2.Bak
?????目錄???????????0??2013-07-13?14:01??基于51單片機電流電壓采集\src\
?????文件????????4526??2013-07-13?14:12??基于51單片機電流電壓采集\src\Text2.c
?????文件????????5115??2002-04-16?15:32??基于51單片機電流電壓采集\STARTUP.A51
?????文件???????11750??2013-07-13?14:12??基于51單片機電流電壓采集\STARTUP.lst
?????文件?????????810??2013-07-13?14:12??基于51單片機電流電壓采集\STARTUP.obj
?????文件???????10839??2013-07-13?14:12??基于51單片機電流電壓采集\Text2.lst
?????文件???????15076??2013-07-13?14:12??基于51單片機電流電壓采集\Text2.obj

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