原创 适合FM发射机的LCD1602驱动程序!!!

申请成功的朋友可以先按原理图写写程序...

我在这里提供一个驱动四位总线的LCD1602程序...这个程序可以供大家参考...在STC2052 11.0592M通过...

#include<at89x52.h>

#define uchar unsigned char
#define uint  unsigned int

sbit LCD_RS = P3^3;
sbit LCD_RW = P3^4;
sbit LCD_EN = P3^5;

#define LCD_DATA P1

void LCD_Initial(void);
void Read_Busb(void);
void Write_Instruction(uchar In_data);
void Write_Data(uchar In_data);
void Delay(uint Time);
void Display_OneText(uchar x,y,In_data);

void main()
{
  Delay(10000);
  LCD_Initial();
  Display_OneText(0,1,'w');
  Display_OneText(1,1,'a');
  Display_OneText(2,1,'n');
  Display_OneText(3,1,'g');
  Display_OneText(4,1,'1');
  Display_OneText(5,1,'j');
  Display_OneText(6,1,'i');
  Display_OneText(7,1,'n');
  Display_OneText(8,1,'@');
  Display_OneText(9,1,'1');
  Display_OneText(10,1,'6');
  Display_OneText(11,1,'3');
  Display_OneText(12,1,'.');
  Display_OneText(13,1,'c');
  Display_OneText(14,1,'o');
  Display_OneText(15,1,'m');
  while(1);
}
void LCD_Initial(void)
{
  Delay(10000);
  Write_Instruction(0x32);//这个和LCD有关...有人用22 有人用28...看个人了...
  Write_Instruction(0x06);
  Write_Instruction(0x0c);
}

//读忙;
void Read_Busb(void)
{
  LCD_RS=0;
  LCD_RW=1;
  LCD_EN=0;
  LCD_EN=1;
  LCD_DATA&=0x0f;
  while(LCD_DATA&0x08);
}

//写指令;
void Write_Instruction(uchar In_data)
{
  uchar i;
  Read_Busb();
  i="In"_data>>4;
  LCD_EN=0;
  LCD_RS=0;
  LCD_RW=0;
  LCD_EN=1;
  LCD_DATA=i;
  Delay(100);
  LCD_EN=0;
  i="In"_data;
  LCD_EN=1;
  LCD_DATA=i;
  Delay(100);
  LCD_EN=0;
}

//写数据;
void Write_Data(uchar In_data)
{
  uchar i;
  Read_Busb();
  i="In"_data>>4;
  LCD_EN=0;
  LCD_RS=1;
  LCD_RW=0;
  LCD_EN=1;
  LCD_DATA=i;
  Delay(100);
  LCD_EN=0;
  i="In"_data;
  LCD_EN=1;
  LCD_DATA=i;
  Delay(100);
  LCD_EN=0;
}

//在某一指定地址显示一个字符;
void Display_OneText(uchar x,y,In_data)
{
  y&=0x01;
  x&=0x0f;
  if(y)
   {
     x|=0x40;
   }
  x|=0x80;
  Write_Instruction(x);
  Write_Data(In_data);
}   
 
    

//延时;
void Delay(uint Time)
{
  uint a;
  for(a=0;a<Time;a++);
}

水平太差...哈哈...将就下...