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標(biāo)題: 電橋放大電路及STC12單片機(jī)ADC0832 [打印本頁(yè)]

作者: heicc 時(shí)間: 2016-6-13 14:14
標(biāo)題: 電橋放大電路及STC12單片機(jī)ADC0832

#include"reg51.h"
#include"intrins.h"

sbit rs=P1^0;
sbit rw=P1^1;
sbit en=P1^2;
sbit CS=P1^3;
sbit clk=P1^4;
sbit DI=P1^5;
sbit DO=P1^7;
sbit B0=B^0;
void w1602c(unsigned char dat)
{
char n;
ACC=dat;
rs=0;
rw=0;
en=0;
P3=dat;
P1 &=~0x40;
P1 |=dat & 0x40;

n=5;
while(n--);
en=1;
n=8;
while(n--)
en=0;
}
void w1602d(unsigned char dat)
{
char n;
ACC=dat;
rs=1;
rw=0;
en=0;
P3=dat;
P1 &=~0x40;
P1 |=dat & 0x40;

n=5;
while(n--);
en=1;
n=8;
while(n--)
en=0;
}
unsigned char rADC0832()
{
char i;
CS=1;
_nop_();
CS=0; //exchange
clk=0;

_nop_();
DI = 1;

_nop_();
clk=1; //NO.1.Pulse DI=1
_nop_();
clk=0;

_nop_();
clk=1;
_nop_();
clk=0;    //NO.2.Pulse DI=1

_nop_();
clk=1;
_nop_();
clk=0;    //NO.3.Pulse DI=0

  DI=0;

_nop_();
clk=1;
_nop_();
clk=0;    //NO.3.Pulse DI=0

for(i=0;i<8;i++)
{
   B=B<<1;
   clk=1;
   B0 = DO;
   clk=0;
   }
return B;
}
void main()
{
  unsigned char temp;
w1602c(0x38);
w1602c(0x06);
w1602c(0x0c);
w1602c(0x01);

while(1)
{
temp =rADC0832()-1;
  w1602c(0x80);
w1602d(0x30+temp/100);
w1602d(0x30+(temp%100)/10);
w1602d(0x30+temp%10);
}
}
電橋放大電路

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