土壤濕度傳感器lcd1602顯示濕度是否合格程序

ID:80321 · 發(fā)表于 2015-11-5 14:19

#include<reg51.h>
#define uint  unsigned  int
#define uchar unsigned char
sbit  D0=P1^1;//土壤濕度數(shù)字信號輸出口
sbit  E=P2^7;
sbit  RW=P2^5;
sbit  RS=P2^6;
unsigned char  x[2]={0x3F, 0x06};
void  delayms(uint c)
{
  uchar a,b;
for (; c>0; c--)
{
   for (b=199;b>0;b--)
   {
      for(a=1;a>0;a--);
   }
}

}
void Write_com(uchar order)
{
   E=0;
RS=0;
   RW=0;
   P0=order;
   delayms(10);
   E=1;
   delayms(10);
   E=0;
}
void  Write_Data(uchar  data1)
{
RS=1;
   E=0;
   RW=0;
   P0=data1;
   delayms(10);
   E=1;
   delayms(10);
   E=0;
}
void Lcd_Init()
{
   Write_com(0x38);
   Write_com(0x0f);
   Write_com(0x06);
   Write_com(0x80);
}
void main() =7=h
{

int i;
uchar LCD[9]="Humidity:";
uchar lcd1[16]="Humidity is low:";
uchar lcd2[16]="Humidity is high";v
  Lcd_Init();
for(i=0;i<11;i++)
{
      Write_Data(LCD[i]);
   delayms(1);
}
Write_com(0x80+0X40);
delayms(10);
if(D0==1)
{
for(i=0;i<16;i++)
{
   Write_Data(lcd1[i]);
   delayms(1);
}
}
   else
   {
for(i=0;i<16;i++)
{
   Write_Data(lcd2[i]);
   delayms(1);
}

   }

}