1602-11.c

1602显示程序

#include  <Reg51.h>

sbit Rs=P3^3;
sbit Wr=P3^1;
sbit E=P3^0;
sbit Key=P3^2;

unsigned char code DefDot[]={
0x1F,0x1F,0x55,0x55,0xAA,0xAA,0x00,0x1F,0x1F,0x00};
unsigned char code Dis1[]={"ShenZhen ShenHui Technology Co., LTD"};
unsigned char code Dis2[]={"                Our Address: Block 513,4th,5th,6th,Floor,Bagualing Industrial Area ShenZhen,China                  "};

unsigned int DelaySet;
void Int_Ser(void);
void Delay(unsigned int DelayTime);
void WrData(unsigned char DI,unsigned char WData);

void Int_Ser(void) interrupt 0 {          //Key Down SUB
unsigned char i;
         EX0=0;
         for(i=1;i<=0x7F;i++);
  if (Key)
        {

        if(DelaySet>0)
        {
                DelaySet-=10;
                
        }
        else
        {
                DelaySet=300;
        }        
        for(i=0;i<0x7F;i++);
        /* while(!Key);
          do
          {
           while(Key);
           for (i=1 ;i<=0x7F;i++);
          }
          while(Key);*/
         }
       //  while(!Key);
         EX0=1;
}

void Delay(unsigned int DelayTime)              //DElayTime *2094us
{
         unsigned char j;
         for (;DelayTime>0;DelayTime--)
         {
           for(j=0;j<=0x7F;j++)
                 ;
         }
}

void WrData(unsigned char DI,unsigned char WData)
{
        Rs=DI;
        Wr=0;
        E=1;
        P1=WData;
        E=0;
        /*Wr=1;
        Rs=!DI;
        ;
        E=1;*/
        Delay(1);
}

void main(void)
{
      unsigned char i,j;
      IE=0x81;
      IP=0x01;
      TCON=0x00;
      SP=0x60;
      Key=1;
      Delay(500);
      WrData(0,0x01);
      Delay(10);
      WrData(0,0x02);
      Delay(10);
      WrData(0,0x38);                   //Function SET  2-line DisPlay on
      Delay(10);
      WrData(0,0x01);                   //Display Clear
      Delay(50);
      WrData(0,0x06);                   //Entry Mode SET   Increment  Mode
      Delay(50);
      WrData(0,0x0C);                   //DisPlay ON Cursor OFF blink OFF
      Delay(10);
      WrData(0,0x40);
      DelaySet=300;
      /*for(j=0;j<5;j++)
      {
          for(i=0;i<4;i++)
          {
               WrData(1,DefDot[2*j]);
               WrData(1,DefDot[2*j+1]);
          }
      } */
      while(1)
      {
            WrData(0,0x80);
            for(j=0;j<16;j++)
            {
                WrData(1,Dis1[j]);
            }
            for(i=0;i<98;i++)
            {
                WrData(0,0xC0);
                for(j=0;j<16;j++)
                {
                        WrData(1,Dis2[i+j]);
                }
                Delay(DelaySet);
            }
            Delay(3000);
      }
}