#include<lcd.h>

//復(fù)位函數(shù)實現(xiàn)
void rst_bit ()
{
RST = 0;   //低電瓶有效

}

//延時子函數(shù)
void delay(uchar ms)   ////number=1 延遲100ms
{
int i,j;
while(ms--)
{
  for(i = 0; i <= OUTCOUNT; i++)
  {
  for(j = 0; j <= INCOUNT; j++)
{
}
  }
}
}

//LCD初始化
void interlize(uchar model)
{
RST = 1;
_nop_();
if(model == PAR)
{
PSW = 1;
}
else
{
PSW = 0;
}
}

//檢測忙標志
void check_busy()
{
LCD_DATA = 0xff;
RS = 0; //開通寫指令
RW = 1;   //讀取端口的狀態(tài)
E = 1;   //開通讀寫信號
while(LCD_DATA &= 0x80);
E = 0;
}

//寫指令子函數(shù)
void write_code(uchar com)
{
check_busy();
RS = 0;   //選擇寫數(shù)據(jù)
RW = 0; //寫操作
LCD_DATA = com;
E = 1;
_nop_();
_nop_();
E = 0;
}

//寫數(shù)據(jù)子函數(shù)
void write_data(uchar dat)
{
check_busy();
RS = 1;
RW = 0;
LCD_DATA = dat;
E = 1;
_nop_();
_nop_();
E = 0;
}
//取字符字符子函數(shù)
void take_data( uchar *Cdata/*字符串地址*/, uchar icount/*intalized 16*/,uchar com/*intalized lcd address*/,int i/*intalize 0*/)
{
write_code(com);
while(icount--)
{
  if(Cdata != '\0')
{
      write_data(Cdata[i++]);
  delay(1);
      }
  else
  {
  return 
      }
}
}

//清屏子函數(shù)
void clc()
{
write_code(0x01);
write_code(0x34);
write_code(0x30);
}

//重新設(shè)置屏幕屬性換子函數(shù)
void flash()
{
write_code(0x08);   //關(guān)閉顯示
delay(1);
write_code(0x0c);   //開顯示關(guān)光標 不閃爍
delay(1);
write_code(0x08);   //關(guān)顯示 
delay(1);
write_code(0x0c);   //關(guān)顯示 關(guān)光標 不閃爍
delay(1);
write_code(0x08);   //關(guān)顯示
delay(1);
}

//圖形顯示子函數(shù)
void dis_grah()
{

}

//對點陣圖形清屏
void dis_dot(uchar send_data1, uchar send_data2, uchar LCD_X, uchar LCD_Y, uchar icount1, uchar icount2, uchar icount3, uchar flag)
{
write_code(0x01);   //清屏
icount3 = 2;
write_code(LCD_X);
//
while(icount3--)
  {
  icount2 = 32;
  flag = 0;
LCD_Y = 0x80;
while(icount2--)
{
    icount1 = 16;
  write_code(0x34);
  write_code(LCD_Y);
  write_code(LCD_X);
  write_code(0x30);
  if(flag == 0)
  {
  while(icount1--)
  {
      write_data(send_data1);
  }
    LCD_Y++;
  flag = 1;
  }
  else
  {
  while(icount1--)
    {
    write_data(send_data2);
    }
    LCD_Y++;
    flag = 0;
  }
}

LCD_X = 0x88;

}
//
write_code(0x36);
write_code(0x30);
}
//畫水漆直線子函數(shù)
void draw_xline(uchar x, uchar y, uchar line_data, uchar icount)
{
write_code(0x34);
write_code(y);
delay(1);
write_code(x);
write_code(0x30);
while(icount--)
{
    write_data(line_data);
  //delay(1);
}
write_code(0x36);
write_code(0x30);

}

/********************************************
* 功能：整數(shù)到字符串的轉(zhuǎn)換
* 參數(shù)：
*     str --- 轉(zhuǎn)換串的存儲首地址
*     n   --- 待轉(zhuǎn)換的整數(shù)
*     base -- 按不同的數(shù)制轉(zhuǎn)換，支持2,8,10,16
* 返回：
*     正常返回轉(zhuǎn)換后的字符串首地址
*     錯誤返回空指針
*********************************************/
/*uchar * Itoa(uchar * str, uint n, uchar base)
{

  char * q = str;
  char * p = str; 

  // 只接受 2、8、10、16 進制數(shù)
  if(base != 2 && base != 8 && base != 10 && base != 16)
    return NULL;

  while(n > 0)
  {
    uint tmp = n % base;
    if(tmp >= 10)
        *p++ = tmp - 10 + 'A';
    else
        *p++ = tmp + '0';

    n /= base;
  }
  *p-- = '\0';

  // 按求余轉(zhuǎn)換的定義，需要將余數(shù)反序
  while(q < p)
  {
    *p ^= *q ^= *p ^= *q;
    ++q;
    --p;
  }
  
  return str;
}*/

//畫點子函數(shù)
void show_dot(uchar x, uchar y)
{
uchar line_data;
if (x <= 15)
{
if( x<= 7)
{
  line_data = 0x80>>x;   
  draw_xline(0x80,0x90-y,line_data,1);
}
else
{
  line_data = 0x01<<(15-x);
  draw_xline(0x80,0x90-y,line_data,2);
  draw_xline(0x80,0x90-y,0x00,1);
  //line_data_two(0x00,0x01,0x80,0x90-y,0,0,0);
}
}
else if(x > 15 && x <= 31 )
  {
if(x <= 23)
{   
    line_data = 0x01<<(23-x);   
        draw_xline(0x81,0x80+(8-(23-y)),line_data,1);
}   
else
{
  line_data = 0x01<<(31-x);
  draw_xline(0x81,0x90-(31-y),line_data,2);
  draw_xline(0x81,0x90-(31-y),0x00,1);
}
  }
else if(x > 31 && x <= 47)
{
if(x <= 39)
{
    line_data = 0x01<<(39-x);   
  draw_xline(0x92,0x90+(8-(39-x)),line_data,1);
}
else
{
  line_data = 0x01<<(47-x);
  draw_xline(0x92,0x9f-(47-y-1),line_data,2);
  draw_xline(0x92,0x9f-(47-y-1),0x00,1);
}
}
else if(x > 47 && x <= 63)
{
if(x <= 55)
{
  line_data = 0x01<<(55-x);   
  draw_xline(0x93,0x9f-(8-(55-x)-1),line_data,1);
}
else
{
  line_data = 0x01<<(63-x);
  draw_xline(0x93,0x90+(63-y),line_data,2);
  draw_xline(0x93,0x90+(63-y),0x00,1);
}
}
}

//發(fā)送兩個8位數(shù)畫縣
/*void line_data_two(uchar send_data1, uchar send_data2, uchar LCD_X, uchar LCD_Y, uchar icount1, uchar icount2, uchar icount3, uchar flag)
{
write_code(0x01);   //清屏
icount3 = 1;
write_code(LCD_X);
//
while(icount3--)
  {
  icount2 = 2;
  flag = 0;
LCD_Y = 0x80;
while(icount2--)
{
    icount1 = 1;
  write_code(0x34);
  write_code(LCD_Y);
  write_code(LCD_X);
  write_code(0x30);
  if(flag == 0)
  {
  while(icount1--)
  {
      write_data(send_data1);
  }
    LCD_Y++;
  flag = 1;
  }
  else
  {
  while(icount1--)
    {
    write_data(send_data2);
    }
    LCD_Y++;
    flag = 0;
  }
}

LCD_X = 0x88;

}
//
write_code(0x36);
write_code(0x30);
}*/
//////////////////////////////////////////////////////////////////////////////////////////////LCD.C結(jié)束
/*******************************************************************************
* 標題：1286 液晶驅(qū)動（控制器TS7920）
* 文件：lcd_12864_driver.h
* 日期：2005-8-26
* 版本：v.0
* 作者：辛萬江
/********************************************************************************/
// 描述：
// 采用并口方式控制數(shù)據(jù)輸入輸出
/********************************************************************************/
#ifndef LCD_12864_DRIVER

#include<reg51.h>
#include<intrins.h>
#include<STDIO.H>
#include<STRING.H>
#include <STDLIB.H>
#include <CTYPE.H>
#include <FLOAT.H>
//控制引腳定義
sbit RS = P2^0;   //數(shù)據(jù)/指令選擇
sbit RW = P2^1;   //讀寫選擇
sbit E = P2^2;   //讀寫適鼓?
sbit PSB = P2^3;   //選擇數(shù)據(jù)傳輸模式并口或串口高并低串
sbit RST = P2^5;

//數(shù)據(jù)線
#define LCD_DATA P0
//
#define uchar unsigned char
#define uint unsigned int
#define true 1   //忙標志
#define false 0   //閑標志
#define INCOUNT 10   //延時函數(shù)參數(shù)設(shè)置（注意所用的晶振?德剩?
#define OUTCOUNT 50       // 180
#define PAR 1   //并口模式
#define SER 0   //串口模式
/////////////////////////////////////////////////////////////////函數(shù)定義
//復(fù)位函數(shù)
void rst_bit();

//初始化函數(shù)
void interlize(uchar model);

//寫指令子函數(shù)
void write_code(uchar com);

//寫數(shù)據(jù)子函數(shù)
void write_data(uchar dat);
//忙判斷
void check_busy ();

//延時子函數(shù)
void delay(uchar ms);

//清屏子函數(shù)
void clc();

//顯示圖形子函數(shù)
void dis_grah();

//顯示數(shù)據(jù)子函數(shù)
void dis_char_mumber();

//取數(shù)據(jù)子函數(shù)
void take_data(uchar *Cdata/*字符串地址*/, uchar/**/icount, uchar com/**/,int i);

//重新設(shè)置屏幕屬性換子函數(shù)
void flash();

//顯示點陣子函數(shù)
void dis_dot(uchar send_data1, uchar send_data2, uchar LCD_X, uchar LCD_Y, uchar icount1, uchar icount2, uchar icount3, uchar flag);

//調(diào)用半腳字符顯示
void show_half_char();

//調(diào)用漢字字庫顯示
void show_chinse();

//畫橫直線子函數(shù)
void draw_xline(uchar x, uchar y, uchar line_data, uchar icount);

//整型轉(zhuǎn)蛔址?
uchar * Itoa(uchar * str, uint n, uchar base);

//畫點子函數(shù)
void show_dot(uchar x, uchar y);

//發(fā)送兩個8位數(shù)畫縣
/*void line_data_two(uchar send_data1, uchar send_data2, uchar LCD_X, uchar LCD_Y, uchar icount1, uchar icount2, uchar flag);*/

#endif
////////////////////////////////////////////////////////////////////////////////////LCD.H結(jié)束
///下面是我的測試程序
/*******************************************************************************
* 標題：1286 液晶驅(qū)動（控制器TS7920）
* 文件：lcd_12864_driver.h
* 日期：2005-8-26
* 版本：v.0
* 作者：辛萬江
/********************************************************************************/
// 描述：
// 采用并口方式控制數(shù)據(jù)輸入輸出
/********************************************************************************/
#include<lcd.c>
/////////////////////////////////////////////////////////////////////////////////

uchar TAB[12] = "顯示結(jié)果：";
uchar code TAB2[]= "X=       ";
uchar code TAB3[]= "   121111 ";
uchar code TAB4[]= "犯得上法121 ";
uchar buffer[3];
uchar buffer1[5];
float i = 16.89;
int j = 0;
void *pf;
uchar *fd;
//int i = 16;
uchar x = 0;
uint count;
/////////////////////////////////////////////////////////////////////////////////
main()
{
///////////////////////////////////////////////////準備工作設(shè)定顯示方式
rst_bit();
delay(2);   //延時兩微妙
interlize(1);   //采用并口模式
write_code(0x34); //34h擴充功能設(shè)定
write_code(0x30); //30h基本操作指令
write_code(0x01); //01h清楚顯示指令
write_code(0x06); //06h指定在資料讀仁? ，光標的移動方向
write_code(0x0c); //0ch開顯示，關(guān)光標，不閃爍
////////////////////////////////////////////////////準備工作完畢
//顯示漢字和字符
clc();
//點陣清屏
dis_dot(0x00,0x00,0x80,0x80,0,0,0,0);
//Itoa(temp, i, 10);
//strcat(TAB1,temp);
//char buffer[3];
//將FLOAT轉(zhuǎn)化為字符
fd = buffer1;
pf = &i;
for(j = 0 j < 4; j++)
{
*(fd+j) = *((char *)pf+j);
}
//sprintf(buffer, "%f", i);
buffer1[4] = '\0';
strcat(TAB,buffer1);
take_data(TAB,16,0x88,0);
//sprintf(TAB1 + 4, "%d",i);
//TAB1[6]='\0'
for(x = 0; x < 64; x++)
show_dot(x,x);
draw_xline(0x90,0x90,0xff,16);
//draw_xline(0x9f,0x9f,0xff,16);
//draw_xline(0x80,0x80,0xff,16);
//draw_xline(0x9f-18,0x80,0xff,16);
while(1);
}
//////////////////////////////////////////////////////////////////////////main結(jié)束