1602显示，适用于单片机初学者， -

标题: 1602显示，适用于单片机初学者， [打印本页]

作者: 362202 时间: 2018-12-9 08:41
标题: 1602显示，适用于单片机初学者，
//单片机类型STC89C52,晶振频率11.0592MHz，部分注释复制时乱码。。。
#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit lcden=P3^4;
sbit rs=P3^5;
sbit rw=P3^6;
sbit dula=P2^6;
sbit wela=P2^7;
uchar table1[]="0123456789ABCDEF ";//?????
uchar table2[]="ABCDEFGHIG ";//?????
void delay(uint x)
{
uint a,b;
for(a=x;a>0;a--)
  for(b=10;b>0;b--);
}
void write_com(uchar com) //д????
{
P0=com;
rs=0;          //д????
lcden=0;
delay(10);
lcden=1;
delay(10);
lcden=0;

}
void write_date(uchar date) //д????
{
P0=date;
rs=1;          //д????
lcden=0;
delay(10);
lcden=1;
delay(10);
lcden=0;

}
void init()
{
rw=0;
dula=0;
wela=0;
write_com(0x38); //??????????16??2?????5??7????8λ??????
delay(20);
write_com(0x0f); //?????????
delay(20);
write_com(0x06); //?????????????????????????
delay(20);
write_com(0x01); //?????????????????????????
delay(20);
}
void main()
{
uchar a,b0;
init();
write_com(0x01); //?????????????????????????
   write_com(0x80);//??????????????????????????????????????????       //delay(2000);
   delay(20);
  for(a=0;a<16;a++)
   {
      write_date(table1[a]);
      delay(20);
      //delay1(200);
      }
write_com(0xc0);//???????????????????0xc5?????????6??
   delay(20);  b0=47;
for(a=0;a<15;a++)
   {
            write_date(b0);//b0=ASCLL num;
//write_date(table2[a]);
      delay(20);
      b0++;
      }
while(1);//???????????
}

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