基于51單片機電流電壓采集

ID:121335 · 發(fā)表于 2016-5-17 00:07

想做采集器的來看看吧
全部程序下載：

51單片機電流電壓采集.zip (27.11 KB, 下載次數(shù): 176)

源碼預覽：

# include <reg52.h>
# include <intrins.h>
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(shù)器常把定時/計數(shù)器1以模式2作為串行口波特率發(fā)生器
SCON=0XD0; //選擇工作模式1使能接收，允許發(fā)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(shù)據(jù)送給sbuf緩存器中
while(TI!=1);//發(fā)送標志位 TI如果發(fā)送了為1，沒發(fā)送為0，沒發(fā)送等待，到了退出循環(huán)
TI=0; //到了，TI清為0
}
unsigned int read_tlc2543(unsigned char M)//M 為十六進制；
{
unsigned char i,ctrl_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 i,j;
for (i=0;i<m;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 pose,unsigned 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 a,unsigned char *dis1)//電流
{
unsigned int temp,b;
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(cha);
delay(10);
//read_tlc2543(cha);
date_v=read_tlc2543(cha);
convert(date_v,dis2);
lcd_dis(0x00,dis2);
while(1){}
}
void init1() interrupt 4 //uart中斷，4為串口中斷
{
if(RI==1) //收到數(shù)據(jù)
{
unsigned char m=SBUF; //m為計算機發(fā)送給串口的數(shù)據(jù)，例，open //總體思想是，計算機通知串口，我要發(fā)數(shù)據(jù)了
RI=0; //收到清0
if(m=='1') //判斷m這位數(shù)據(jù)有無\r
{
read_tlc2543(cha);
delay(10);
//read_tlc2543(cha);
date_a=read_tlc2543(cha);
convert(date_a,dis1);
lcd_dis(0x00,dis1);
UART_Putch(dis1[0]);
UART_Putch(dis1[1]);
UART_Putch(dis1[2]);
UART_Putch(dis1[3]);
UART_Putch('\n'); // 換行
}
else if(m=='2')
{
read_tlc2543(chv);
delay(10);
//read_tlc2543(cha);
date_v=read_tlc2543(chv);
convert(date_v,dis2);
lcd_dis(0x00,dis2);
UART_Putch(dis2[0]);
UART_Putch(dis2[1]);
UART_Putch(dis2[2]);
UART_Putch(dis2[3]);
UART_Putch('\n'); // 換行
}
else
{
UART_Putch('e');
UART_Putch('r');
UART_Putch('r');
UART_Putch('o');
UART_Putch('r');
UART_Putch('!');
UART_Putch('\r');
UART_Putch('\n');
}
}
}