单片机+ET2046+LCD1602继电器源程序 -

标题: 单片机+ET2046+LCD1602继电器源程序 [打印本页]

作者: 云雀在天 时间: 2021-7-27 21:14
标题: 单片机+ET2046+LCD1602继电器源程序
#include <reg52.h>
#include <intrins.h>
#define uint unsigned int
#define uchar unsigned char
sbit RS = P2^6;
sbit RW = P2^5;
sbit EN = P2^7;
sbit DCLK = P3^6;
sbit DIN = P3^4;
sbit CS = P3^5;
sbit DOUT = P3^7;
uint disp[4];
void delayms(uint xms)
{
   int i,j;
      for(i=xms;i>0;i--)
         for(j=114;j>0;j--);
}

void write_com(int com)
{
      EN = 0;
RS = 0;
RW = 0;
      P0 = com;
      delayms(1);
EN = 1;
delayms(5);
      EN = 0;
}

void write_date(int date)
{
      EN = 0;
RS = 1;
RW = 0;
      P0 = date;
      delayms(1);
      EN = 1;
      delayms(5);
      EN = 0;
}

void lcdset()
{
write_com(0x38);
      write_com(0x0c);
      write_com(0x06);
      write_com(0x01);
}

void display()
{
      write_com(0x80);
      write_date((disp[0])+'0');
      write_com(0x81);
      write_date((disp[1])+'0');
      write_com(0x82);
      write_date((disp[2])+'0');
      write_com(0x83);
      write_date((disp[3])+'0');
}

void SPI_Write(uchar dat)
{
      uchar i;
      DCLK = 0;
      for(i=0; i<8; i++)
      {
            DIN = dat >> 7;
            dat <<= 1;
            DCLK = 0;
            DCLK = 1;

      }
}

uint SPI_Read(void)
{
      uint i, dat = 0;
      DCLK = 0;
      for(i=0; i<12; i++)
      {
            dat <<= 1;

            DCLK = 1;
            DCLK = 0;

            dat |= DOUT;

      }
      return dat;
}

uint Read_AD_Data(uchar cmd)
{
      uchar i;
      uint AD_Value;
      DCLK = 0;
      CS  = 0;
      SPI_Write(cmd);
      for(i=6; i>0; i--);
      DCLK = 1;
      _nop_();
      _nop_();
      DCLK = 0;
      _nop_();
      _nop_();
      AD_Value=SPI_Read();
      CS = 1;
      return AD_Value;
}

void datapros()
{
      uint temp;
      static uint i;
      if(i==50)
      {
            i=0;
            temp = Read_AD_Data(0x94);
      }
      i++;
      disp[0]= temp/1000;
      disp[1]= temp%1000/100;
      disp[2]= temp%1000%100/10;
      disp[3]=temp%1000%100%10;
}

void main()
{
      lcdset();
      while(1)
      {
         datapros();
   display();
      }
}

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