1602 清屏命令

只看该作者 · 2013-11-24 17:18

#include <reg52.h>
#include "mytouwenjian.h"
sbit RS=P2^4;
sbit RW=P2^5;
sbit E=P2^6;
void write_date(char date)
{
  E=0;
  RS=1;
  RW=0;
  P0=date;
  yanshi_100us(1);
  E=1;
}
void write_minling(char datea)
{
  E=0;
  RS=0;
  RW=0;
  P0=datea;
  yanshi_100us(1);
  E=1;
}
void chushihua_lcd()
{
  write_minling(0x06);//
  yanshi_100us(1);
  write_minling(0x0c);//
  yanshi_100us(1);
  write_minling(0x38);//
  yanshi_100us(1);
   write_minling(0x01);//清屏
yanshi_100us(1);
}
void main()
{
  chushihua_lcd();

  write_minling(0x83);
  write_date('k');
  write_date('w');
  write_date('M');
write_minling(0xc7);
  write_date('q');
  write_date('D');
  write_date('M');

}
请教各位老大，这程序为啥一加上清屏命令，就没显示（不管位置和延时），一去掉就一切正常？？？？？？