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标题: 压力传感器水压测试程序+原理图 [打印本页]

作者: バ幸福De右岸 时间: 2016-8-13 06:16
标题: 压力传感器水压测试程序+原理图

#include"reg51.h"
#define U16 unsigned int
#define U8 unsigned char
U16 temp=450,temp1,temp2;
U8 nn;
bit flag;
unsigned char dd0[]=" SHANXI Dianzi";
unsigned char dd1[]=" VOIT_H:";
sbit rs=P3^7;
sbit en=P5^4; //Use really P5.4,test P2.4
sbit D0=ACC^0;
sbit D1=ACC^1;
sbit D2=ACC^2;
sbit D3=ACC^3;
sbit D4=ACC^4;
sbit D5=ACC^5;
sbit D6=ACC^6;
sbit D7=ACC^7;
void delay(U16 ms)
{
U8 m;
while(ms--)
for(m=0;m<20;m++);
}
void w1602c(U8 dat)
{
ACC=dat;
P11=D0;
P12=D1;
P13=D2;
P14=D3;
P15=D4;
P32=D5;
P33=D6;
P36=D7;
rs=0;
en=0;
delay(2);
en=1;
delay(2);
en=0;
}
void w1602d(U8 dat)
{
ACC=dat;
P11=D0;
P12=D1;
P13=D2;
P14=D3;
P15=D4;
P32=D5;
P33=D6;
P36=D7;
rs=1;
en=0;
delay(2);
en=1;
delay(2);
en=0;
}
void init1602()
{
w1602c(0x38);
w1602c(0x06);
w1602c(0x0c);
w1602c(0x01);
}
void InitADC()
{
P1ASF =0x01; //P1.0 ADC_IN - +
ADC_RES=0;
ADC_RESL=0;
ADC_CONTR =0xe0;//ON_POWER
delay(2);
}
void disp(U16 dd)
{
char i;
for(i=0;i<8;i++)
w1602d(dd1);
w1602d(dd/1000+0x30);
w1602d((dd%1000)/100+0x30);
w1602d(((dd%1000)%100)/10+0x30);
w1602d(dd%10+0x30);
}
unsigned int ADC10()
{
InitADC();
ADC_CONTR |=0x08;
delay(2);
while(!(ADC_CONTR & 0x10));
ADC_CONTR &=~0x10;
temp=ADC_RES;
temp=temp<<2;
temp |=ADC_RESL;
return temp;
}
void main()
{
unsigned char k;
init1602();
P1M1=0x01;
P1M0=0x00;
CLK_DIV &=~0x20;
while(1)
{
temp1=ADC10();
if(temp1<240) //for water
{
delay(30);
temp1=ADC10();
if(temp1<240) //yes or no
flag=1; // yes! start up water
else // no!
{
flag=0;
P30=0; //close water
P31=1;
}
}
else //no water
{
flag=0;
P30=0; //close water
P31=1;
}
while(flag) //up water
{
P30=1; //start machine
P31=0;
delay(30);
temp2=ADC10();
temp1=temp2;
w1602c(0x80);
for(nn=0;nn<15;nn++)
w1602d(dd0[nn]);
delay(100);
w1602c(0xc0);
disp(temp1);
w1602d(0x20);
w1602d(0x4f);
w1602d(0x4e);
w1602d(0x20);
delay(20000);
if(temp1>320) //full? No go on!
{
P30=0; //Yes close machine
P31=1;
flag=0; //end
}
delay(10);
}
w1602c(0x80);
for(k=0;k<15;k++)
w1602d(dd0[k]);
delay(20);
w1602c(0xc0);
disp(temp1);
w1602d(0x20);
w1602d(0x4f);
w1602d(0x46);
w1602d(0x46);
delay(20000);
}
}

作者: muqian 时间: 2016-8-13 08:33
这是软硬结合啊，维修要上新高度么
作者: バ幸福De右岸 时间: 2016-8-19 10:43

muqian 发表于 2016-8-13 08:33
这是软硬结合啊，维修要上新高度么

单片机说实话我只会一点点,高难度的我也不会啊,会一些很简单的

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