#include <reg52.h>

#include <intrins.h>

#include <math.h>

#include <stdio.h>

#define   lcddata P1

#define   uchar  unsigned char

#define   uint   unsigned char

#define I80

  sbit  RW=P3^1;

  sbit  E=P3^3;

  sbit  _WR=P3^1;  

  sbit  _RD=P3^3;

  sbit  CS=P3^4;

  sbit  DC=P3^0;

  sbit  RES=P3^5;

  sbit  SCLK=P1^0;

  sbit  SDIN=P1^1;

void INT()

{

RES=0;

uDelay(20);

RES=1;

uDelay(20);

Writecom(0xae);/////////关显示

Writecom(0xd5);/////////设定显示频率

Writecom(0xa0);

Writecom(0xa8);/////设定占空比 1/32

Writecom(0x1f);

Writecom(0xd3);////////设定显示范围 COM

Writecom(0x00);

Writecom(0x40);///////起始行

Writecom(0x00);

Writecom(0xad);/////内部dc-dc

Writecom(0x8e);

Writecom(0x20);/////接口方式 页方式

Writecom(0x02);

Writecom(0xa1);/////seg方向 132-0

Writecom(0xc8);/////com方向 63-0

Writecom(0xda);////Set COM Pins Hardware Configuration

Writecom(0x12);///

Writecom(0x81);////////////对比度调节

Writecom(0xbf);/////////////对比度为中

Writecom(0xdb);////////////倍压调节

Writecom(0x08);///////////

Writecom(0xa4);////////////Entire Display ON

Writecom(0xa6);////////////Normal display

clear(0x00);

Writecom(0xaf);////////////开显示

}

void display88(uchar x,uchar y,uchar coder)

{

  uchar i;

  for(i=0;i<8;i++)

  {

   startpage(y);

  startcolumn(x);

  Writedata(tab8[coder][i]);x++;}

}

void display_8(uchar x,uchar y)

{

 uchar i;

 for(i=0;i<16;i++)

 {display88(x,y,i);x=x+8;}

}

void display16(uchar x,uchar y,uchar coder)

{

   uint j,i;

   uchar n;

   n=x;

   i=0;

loop:

   for(j=i;j<i+16;j++)

   {

   startpage(y);

   startcolumn(x);

   Writedata(tab16[coder][j]);x++;}

  if(i==0)

  {i=16;

   y++;

   x=n;

   if(y==4)

   return;

   else goto loop;}

}

void display_16(uchar x,uchar y)

{

 uchar i;

 for(i=0;i<8;i++)

 {display16(x,y,i);x=x+16;}

}

/****************************************************

竖直卷动

a=0x00,向上卷动  a=0x01,向下卷动

//    b: Set Top Fixed Area

//    c: Set Vertical Scroll Area

//    d: Set Numbers of Row Scroll per Step

//    e: Set Time Interval between Each Scroll Step

**************************************************/

void Vertical_Scroll(unsigned char a, unsigned char b, unsigned char c, unsigned char d, unsigned char e)

{

unsigned int i,j;

Writecom(0xA3); // Set Vertical Scroll Area

Writecom(b); //   Default => 0x00 (Top Fixed Area)

Writecom(c); //   Default => 0x40 (Vertical Scroll Area)

switch(a)

{

case 0:

for(i=0;i<c;i+=d)

{

startline(i);

for(j=0;j<e;j++)

{

uDelay(200);

}

}

break;

case 1:

for(i=0;i<c;i+=d)

{

startline(c-i);

for(j=0;j<e;j++)

{

uDelay(200);

}

}

break;

}

startline(0x00);

}

/************************************************************

水平卷动

a=0x00,向右卷动  a=0x01,向左卷动

//    b: Set Numbers of Column Scroll per Step

//    c: Define Start Page Address

//    d: Define End Page Address

//    e: Set Time Interval between Each Scroll Step in Terms of Frame Frequency

//    f: Delay Time

*************************************************************/

void Horizontal_Scroll(unsigned char a, unsigned char b, unsigned char c, unsigned char d, unsigned char e, unsigned char f)

{

Writecom(0x26|a); // Horizontal Scroll Setup

Writecom(b);

Writecom(c);

Writecom(e);

Writecom(d);

Writecom(0x2F); // Activate Scrolling

delay(f);

}

/**********************

  主程序

************************/

void main(void)

{

   INT();

       clear(0xff);

delay(1);

clear(0x55);

delay(1);

clear(0xaa);

delay(1);

reset(0x55);

delay(1);

reset(0xaa);

delay(1);

clear(0x00);

display_8(0,2);

       display_8(0,3);

display_16(0,0);

while(1);

}