12232.c

各种款式液晶显示程序

#include<reg51.h>
#include<stdio.h>
#define uchar unsigned char
uchar data Column;/*定义列*/
uchar data Page;/*定义页*/
uchar *p;/*建立数组指针*/
uchar data i,j,k,Disp_Page;
uchar data z;/*汉字数组的页，为实际点阵列数除以8*/
uchar data y;/*汉字数组的列，为实际点阵行数*/
uchar q;/*判忙*/
sbit E1=P3^0;/*读写使能信号，1有效*/
sbit E2=P3^1;/*读写选择信号；1为读选通，0为写选通*/
sbit R_W=P3^2;/*数据指令选择信号；1为数据操作，0为写指令或读状态*/
sbit A0=P3^3;
char code Hanzi[102][3]=  /*汉字数组*/
{
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x10,0x0F,0x00,0x30,
 0x0F,0x00,0xB0,0x01,0x00,0xFF,0x0B,0x00,0xFF,0x3F,0x00,0xEE,0x3F,0x00,0x68,0x15,
 0x00,0x48,0x30,0x00,0x40,0x38,0x00,0xC0,0x3F,0x00,0x80,0x07,0x00,0x00,0x00,0x00,
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x70,0x00,0x00,0x70,
 0x38,0x00,0x30,0x3B,0x00,0xB8,0x1B,0x00,0xDE,0x3B,0x00,0xFE,0x3F,0x00,0xFE,0x3F,
 0x00,0xFC,0x05,0x00,0xD8,0x1C,0x00,0x08,0x18,0x00,0x00,0x18,0x00,0x00,0x00,0x00,
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,
 0x07,0x00,0xF0,0x0F,0x00,0x70,0x1C,0x00,0xF8,0x1F,0x00,0xFC,0x1F,0x00,0xF6,0x17,
 0x00,0xF6,0x17,0x00,0x86,0x17,0x00,0x8E,0x18,0x00,0xFC,0x1F,0x00,0xF0,0x0F,0x00,
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 0x10,0x00,0x00,0x10,0x00,0x18,0x16,0x00,0x78,0x16,0x00,0xF8,0x1F,0x00,0xFE,0x0F,
 0x00,0xFE,0x0F,0x00,0xFA,0x0F,0x00,0xBA,0x0B,0x00,0xBE,0x0B,0x00,0x1C,0x19,0x00,
 0x00,0x18,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 0x00,0x00,0x00,0x00,0x00,0xC0,0x01,0x00,0xC0,0x07,0x00,0xE6,0x07,0x00,0xFE,0x0F,
 0x00,0xFE,0x1F,0x00,0xFC,0x17,0x00,0xD0,0x17,0x00,0xD0,0x17,0x00,0xF0,0x11,0x00,
 0x60,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x00,0x18,0x0F,
 0x00,0x9C,0x1B,0x00,0xBC,0x19,0x00,0xFE,0x31,0x00,0xFE,0x30,0x00,0xFE,0x3F,0x00,
 0xCE,0x0F,0x00,0xC4,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 0x00,0x00
};
void WCom_L(uchar);/*写左半屏指令*/
void WCom_R(uchar);/*写右半屏指令*/
void Clearlcd();/*清屏*/
void Imim();/*初始化*/
void Dat_L(uchar);/*送左半屏显示*/
void Dat_R(uchar);/*送右半屏显示*/
void Delay();/*延时*/
void W_byte();/*写一个字节*/
void Hanz();/*写汉字*/
/********************主程序********************/
void main()
{
// Delay();
// Delay();
 Delay();/*延时*/
 Imim();/*初始化*/
 p=Hanzi;/*指针指向数组的首地址*/
 Page=1; /*自定义，液晶上显示汉字的起始页*/
 Column=8;/*自定义，液晶上显示汉字的起始列*/
 y=102;
 z=3;
 Hanz();/*写汉字程序*/
loop:
 goto loop;
}
/********************写左半屏指令子程序********************/
void WCOM_L(uchar d)    /*写指令程序*/
{
 R_W=1;
 A0=0;/*读状态指令*/
Loop1:
 P1=0xff;
 E1=1;/*左半屏片选*/
 q=P1;
 E1=0;/*左半屏片选*/
 if(q&0x80)
 {
 goto Loop1;
 }/*判断左半屏是否忙*/
 R_W=0;/*写数据*/
 A0=0;
 P1=d;
 E1=1;
 P1=d;
 E1=0;/*屏处于未选状态*/
}
/********************写右半屏指令子程序********************/
void WCOM_R(uchar d)    /*写指令程序*/
{
 R_W=1;
 A0=0;
Loop2:
 P1=0xff;
 E2=1;/*左半屏片选*/
 q=P1;
 E2=0;
 if(q&0x80)
 {
 goto Loop2;
 }/*判断右半屏是否忙*/
 R_W=0;/*写数据*/
 A0=0;
 P1=d;
 E2=1;
 P1=d;
 E2=0;/*屏处于未选状态*/
}
/********************送左半屏显示字符子程序********************/
void Dat_L(uchar d)
{
 R_W=1;
 A0=0;
Loop1:
 P1=0xff;
 E1=1;/*左半屏片选*/
 q=P1;
 E1=0;
 if(q&0x80)
 {
 goto Loop1;
 }/*判忙*/
 A0=1;
 R_W=0;/*写数据指令*/
 P1=d;
 E1=1;
 P1=d;
 E1=0;
}
/********************送右半屏显示字符子程序********************/
void Dat_R(uchar d)
{
 R_W=1;
 A0=0;
Loop:
 P1=0xff;
 E2=1;/*左半屏片选*/
 q=P1;
 E2=0;
 if(q&0x80)
 {
 goto Loop;
 }/*判忙*/
 A0=1;
 R_W=0;/*写数据指令*/
 P1=d;
 E2=1;
 P1=d;
 E2=0;
}

/********************初始化子程序********************/
void Imim()
{
 P0=0xff;
 P1=0xff;
 P2=0xff;
 P3=0xff;
 E1=0;
 E2=0; /*屏幕处于未选状态*/
 Delay();
 WCOM_L(0xE2);/*复位*/
 WCOM_R(0xE2);/*复位*/
 WCOM_L(0xA4);/*正常工作状态设置*/
 WCOM_R(0xA4);/*正常工作状态设置*/
 WCOM_L(0xA9);/*占空比选择*/
 WCOM_R(0xA9);/*占空比选择*/
 WCOM_L(0xA0);/*ADC选择指令*/
 WCOM_R(0xA0);/*ADC选择指令*/
 WCOM_L(0xAE);/*关显示指令*/
 WCOM_R(0xAE);/*关显示指令*/
 WCOM_L(0xC0);/*设置起始行*/
 WCOM_R(0xC0);/*设置起始行*/
 WCOM_L(0xe0);
 WCOM_L(0xee);
 WCOM_R(0xe0);
 WCOM_R(0xee);
 Clearlcd();
 WCOM_L(0xAF);/*开显示指令*/
 WCOM_R(0xAF);/*开显示指令*/
}
/********************延时子程序********************/
void Delay()
{
 uchar data i,j;
 for(i=0;i<255;i++)
  for(j=0;j<255;j++);
}
/********************清屏子程序********************/
void Clearlcd()
{
 for(i=0;i<4;i++)
  {
   Disp_Page=i|0xb8;/*设置页地址*/
   WCOM_L(Disp_Page);/*送入左半屏*/
   WCOM_L(0x00);/*设置列地址*/
   for(j=0;j<61;j++)
   {Dat_L(0x00);}
  }              /*左半屏清屏*/
 for(i=0;i<4;i++)
  {
   Disp_Page=i|0xb8;/*设置页地址*/
   WCOM_R(Disp_Page);/*送入右半屏*/
   WCOM_R(0x00);/*设置列地址*/
   for(j=0;j<61;j++)
   {Dat_R(0x00);}
  }              /*右半屏清屏*/
}
/********************汉字主程序********************/
void Hanz()
{
 uchar data i;
 uchar data j;
 char *p1;
 uchar data Column1;
 uchar data Page1;
 p1=p; /*建立指针，使其与数组指针相对应*/
 Column1=Column;/*与全局变量列相对应*/
 Page1=Page;  /*与全局变量页相对应*/

 for(i=0;i<z;i++)  /*页循环*/
 {
  for(j=0;j<y;j++) /*列循环*/
  {
   W_byte();   /*写一列*/
   Column=Column+1;
   p=p+z;
  }
  Page++; /*下一页*/
  p1=p1+1;
  p=p1;    /*指针对应数组下一首地址*/
  Column=Column1;/*将列量送回*/
 }
}
/********************汉字子程序********************/
void W_byte ()/*在page和column位置写一字节*/
{
 uchar data wbyte;
 uchar num_col;
 uchar num_page;
 wbyte=*p;  /*送进数组头地址*/
   if(Column<61) /*判断对哪一个屏进行操作*/
   {
     WCOM_L(0xe0);
     WCOM_L(0xee);
     num_page=Page|0xb8;
     WCOM_L(num_page);/*设置页地址*/
     num_col=Column|0x00;
     WCOM_L(num_col);/*设置列地址*/
     Dat_L(wbyte); /*写入数据*/
   }
  else if(Column<122)
   {
     WCOM_R(0xe0);
     WCOM_R(0xee);
     num_page=Page|0xb8;
     WCOM_R(num_page);/*设置页地址*/
     num_col=(Column-61)|0x00;
     WCOM_R(num_col);/*设置列地址*/
     Dat_R(wbyte);
   }
}