新人求救了，1602單片機程序有反應(yīng)但是不顯示字符

ID:186843 · 發(fā)表于 2018-11-26 20:53

#include<reg52.h>
#define uc unsigned char
#define ui unsigned int
#define LCD P1
sbit LCD_RS = P2^5;
sbit LCD_RW = P2^6;
sbit LCD_EN = P2^7;
uc code table[] = "HELLO";
uc code table1[] = "WORLD";
uc number;
void InitLcd1602();
void LcdWrite_com(uc);
void LcdWrite_date(uc);
/*void delay(ui z)
{
      ui x,y;

      for(x = z; x>0; x--)
                     for(y=110;y>0;y--);
}*/
void main()
{
      InitLcd1602();
      LcdWrite_com(0x80);
      for(number = 0 ; number<5; number++)
      {
            LcdWrite_date(table[number]);
            //delay(5);
      }
      LcdWrite_com(0x80+0x40);
            for(number = 0 ; number<5;number++)
      {
            LcdWrite_date(table1[number]);
            //delay(5);

      }
while(1);

}

void LcdReady()
{
      uc sta;
      LCD = 0xFF;
      LCD_RS = 0;
      LCD_RW = 1;
      do
            {
                     LCD_EN = 1;
                     sta = LCD;
                     LCD_EN = 0;
            }
      while(sta & 0x80);

}
void LcdWrite_date(uc date)
{
      LcdReady();
      LCD_RS = 1;
      LCD_RW = 0;
      LCD = date;
      //delay(5);
      LCD_EN = 1;
      //delay(5);
      LCD_EN = 0;
}

void LcdWrite_com(uc com)
{
      LcdReady();
      LCD_RS = 0;
      LCD_RW = 0;
      LCD = com;
      //delay(5);
      LCD_EN = 1;
      //delay(5);
      LCD_EN = 0;

}

void InitLcd1602()
{
      LcdWrite_com(0x38);
      LcdWrite_com(0x0c);
      LcdWrite_com(0x06);
      LcdWrite_com(0x01);
}