#include <iom16v.h>
#include <macros.h>
#include"delay.h"
#include"xianshi.h"
#include"AD.h"
#define uint unsigned int
#define uchar unsigned char
uchar table[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
uchar DATE1[17]= {" AD "};
uchar DATE2[17]= {"电压: . V"};
unsigned long mv,x,ada,ada1; //输出电压
unsigned long mw,yy,zz,ww; //输出功率
void init()
{
DDRA=0XF0;
PORTA=0X00;
DDRC=0XFF;
PORTC=0XFF;
DDRB=0XFF;
PORTB=0XFF;
DDRD=0XFF;
PORTD=0XFF;
init_lcd ();
}
void jiemian()
{
chn_disp(0,0,DATE1);
chn_disp(1,0,DATE2);
}
void display()
{
uchar ge,shi,bai,qian;
qian=(mv/1000%10);
PORTC=table[qian];
PORTA=0XE0;
delay_us(1900);
bai=(mv/100%10);
PORTC=table[bai];
PORTA=0XD0;
delay_us(1900);
shi=(mv/10%10);
PORTC=table[shi];
PORTA=0XB0;
delay_us(1900);
ge=(mv%10);
PORTC=table[ge];
PORTA=0X70;
delay_us(1900);
PORTC=0X80;
PORTA=0XE0;
}
void AD_dianya()
{
ada1=mega16_ad1();
//mv=ada1/207.3*1000;
mv=(4860*ada1)/1023;
}
void chuli()
{
DATE2[5]=(mv/1000%10+0X30);
DATE2[7]=(mv/100%10+0X30);
DATE2[8]=(mv/10%10+0X30);
DATE2[9]=(mv%10+0X30);
}
void main ()
{
init();
while(1)
{
AD_dianya();
chuli();
display();
jiemian();
}
}
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AD.zip_压力 AD_模拟量AD的a
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2022-09-19
21:25:56
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温馨提示
A/D转换器是用来通过一定的电路将模拟量转变为数字量。 模拟量可以是电压、电流等电信号,也可以是压力、温度、湿度、位移、声音等非电信号。但在A/D转换前,输入到A/D转换器的输入信号必须经各种传感器把各种物理量转换成电压信号。
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