sy.c

本程序能够实现液晶显示

#include <reg52.h>
#include <stdio.h>
#include "absacc.h"
#include "intrins.h"
sbit RS  = P2^0;
sbit RW  = P2^1;
sbit E   = P2^2;
sbit PSB = P2^3;
sbit RST = P2^4;

#define DATA P1

/*void delay(const unsigned char i)
{
	unsigned char j;

	j = i;
	while(--j);
	j = i;
	while(--j);		
} */

/*****************************************
名称：void delay_10us( unsigned char x )
功能：延时10us
实参输入：unsigned char x
返回值：void
*****************************************/
void delay_10us( unsigned char x )
{
     while( x-- );	  
}

/*****************************************
名称：void delay_ms( unsigned int cnt )
功能：延时1ms
实参输入：unsigned int cnt
返回值：void
*****************************************/
void delay_ms( unsigned int cnt ) 
{ 
     unsigned char i; 
     do{ 
            i = 4; 
            do{ 
                   delay_10us(39); 
               } while(--i); 
        } while( --cnt ); 
} 


void smNop(void)
{
	_nop_(); _nop_(); _nop_(); _nop_(); _nop_();
	_nop_(); _nop_(); _nop_(); _nop_(); _nop_();
}
const unsigned char code title1[] =
{
	"题目"
};
const unsigned char code title2[] =
{
	"语音存储与回放"
};
const unsigned char code title3[] =
{
	"成员：史新仓"
};
const unsigned char code title4[] =
{
	"陈文武  吴西飞"
};
const unsigned char code num1[]=
{0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17};
const unsigned char code num2[]=
{0x18,0x19,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,0x29,0x30,0x31,0x32,0x33};
const unsigned char code num3[]=
{0x34,0x35,0x36,0x37,0x38,0x39,0x40,0x41,0x42,0x43,0x44,0x45,0x46,0x47,0x48,0x49};
/*unsigned char code pic[]=
{0x00,0x01,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,
      0x00,0x01,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,
      0x00,0x07,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC0,0x00,0x00,0x00,0x00,
      0x00,0x07,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,
      0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF0,0x00,0x00,0x00,0x00,
      0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,0x00,0x00,0x00,0x00,
      0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,0x00,0x00,0x00,0x00,
      0x00,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0x80,0x00,0x00,0x00,
      0x00,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
      0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
      0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x03,0xFF,0xFF,0xFF,
      0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x07,0xFF,0xFF,
      0x01,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x80,0x00,0x0B,0xFF,
      0x01,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x1F,
      0x01,0xFF,0xFF,0xFF,0xFF,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC0,0x00,0x00,0x00,
      0x01,0xFF,0xFF,0xFF,0xF3,0x79,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC0,0x00,0x00,0x00,
      0x03,0xFF,0xFF,0xFF,0xE6,0x62,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE1,0x60,0x00,0x68,
      0x01,0xFF,0xFF,0xFE,0x00,0x60,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE1,0x00,0x00,0x0E,
      0x01,0xFF,0xFF,0xF8,0x00,0x4B,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF0,0x8E,0x08,0x79,
      0x07,0xFF,0xFF,0xF0,0x00,0x41,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE6,0xC0,0x07,0x61,
      0xC3,0xFF,0xFE,0xC0,0x00,0x00,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xED,0xEF,0x3F,
      0x83,0xFF,0xFE,0x60,0x00,0x00,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
      0xC0,0xFF,0xFD,0xFC,0x6C,0x00,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
      0xF0,0x7F,0xF3,0xFF,0xFE,0x60,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
      0xFF,0xFF,0xF3,0xFF,0xFF,0x50,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC9,
      0xFB,0xFF,0xF1,0xF8,0x8C,0xD8,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFB,0x6F,0xD9,
      0xC2,0x3F,0xF8,0x40,0x00,0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xF6,0xDF,0x1E,0xFF,
      0xFF,0x7F,0xFC,0x38,0x00,0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0x64,0x2F,0x6F,0xFF,
      0xFD,0x7B,0xFC,0x1F,0xE0,0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0x5F,0x7C,0xEE,0xFF,
      0xC7,0xFF,0xBC,0x0F,0xFF,0x00,0x03,0xFF,0xFF,0xFF,0xFF,0xFF,0xDF,0xFE,0xEF,0xFF,
      0xFF,0xE7,0xDC,0x07,0xE7,0xF8,0x12,0x7F,0xFF,0xFF,0xFF,0xFF,0x47,0xFF,0xFF,0xFF,
      0xFF,0xE7,0x80,0x03,0xF4,0x00,0x00,0x5F,0xFF,0xFF,0xFE,0xFE,0xE3,0xFF,0xFF,0xFF,
      0xFF,0xFE,0xC0,0x01,0xC0,0x00,0x00,0x1B,0xFF,0xFF,0xFB,0xFF,0xFF,0xFF,0xFF,0xFF,
      0x7F,0xEE,0xC0,0x00,0xC0,0x00,0x00,0x03,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
      0xFE,0x98,0x00,0x00,0x00,0x00,0x00,0x03,0xFF,0xFF,0xEF,0xFF,0xFF,0xFF,0xFF,0xFF,
      0x20,0x0E,0x60,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0x8F,0xFF,0xFF,0xFF,0xFF,0xFF,
      0x05,0x80,0xE0,0x00,0x00,0x00,0x00,0x01,0xFF,0xFD,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
      0x09,0x80,0xA0,0x00,0x00,0x00,0x00,0x01,0xFF,0xFF,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,
      0x85,0x2A,0xC0,0x00,0x00,0x00,0x00,0x01,0xFF,0xFB,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,
      0xBF,0xF3,0xC0,0x00,0x00,0x00,0x00,0x00,0xFF,0xF7,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,
      0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x01,0xFF,0xE0,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,
      0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0xFF,0xC0,0xFF,0xFF,0xFF,0xFF,0xC0,0x1F,
      0xFF,0xFF,0x80,0x00,0x40,0x00,0x00,0x00,0xFF,0x80,0xFF,0xFF,0xFF,0x80,0x07,0xFF,
      0xFF,0xFF,0xC0,0x00,0xC0,0x00,0x00,0x01,0xFF,0x01,0xFF,0xFF,0xF8,0x00,0xFF,0xFF,
      0xFF,0xFF,0xE0,0x63,0x80,0x00,0x00,0x01,0xFE,0x01,0xFF,0x18,0x00,0x3F,0xFF,0xFF,
      0xFF,0xFF,0xFE,0x00,0x00,0x00,0x00,0x01,0xCC,0x01,0xFE,0x00,0x07,0xFF,0xFF,0xFF,
      0xFF,0xFF,0xFE,0x00,0x00,0x00,0x00,0x07,0xA0,0x03,0xFC,0x00,0xFF,0xFF,0xFF,0xFF,
      0xFF,0xFF,0xFE,0x00,0x00,0x00,0x00,0x05,0xC0,0x03,0xC8,0x00,0x7F,0xFF,0xFF,0xFF,
      0xFF,0xFF,0xFE,0x00,0x00,0x00,0x00,0x19,0x00,0x00,0x88,0x0C,0x07,0xFF,0xFF,0xFF,
      0xFF,0xFF,0xFC,0x00,0x0C,0x00,0x00,0x00,0x00,0x01,0x00,0x01,0xC0,0x7F,0xFF,0xFF,
      0xFF,0xFF,0xF8,0x07,0x0F,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x38,0x0F,0xFF,0xFE,
      0xFF,0xFF,0xD0,0x07,0xFF,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0x03,0xFF,0xF8,
      0xFF,0xFC,0x00,0x00,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,0xFF,0xC0,
      0xFF,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x00,0x00,0x00,0x00,0xFF,0xF8,
      0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x1F,0xFE,
      0xFF,0xC0,0x00,0x00,0x00,0x00,0x00,0x78,0x02,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,
      0xFF,0x00,0x00,0x00,0x00,0x00,0x03,0xF0,0x78,0x00,0x00,0x00,0x00,0x00,0x02,0xFF,
      0xFE,0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,
      0xF0,0x00,0x00,0x00,0x00,0x00,0x7F,0xFF,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x1F,
      0xE0,0x00,0x00,0x00,0x00,0x00,0x3F,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x1F,
      0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x27,
      0xC0,0x00,0x00,0x00,0x00,0x00,0x01,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
      0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
      0x80,0x00,0x00,0x00,0x00,0x00,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01
};*/
/*
**	Create : 2007 7 31
**	Author : oDon
**	email  : [e-mail]	
**	Description:**
** 	This project is using for a library of solutions of CM12864
**	functions will implements to display ZH_CN ASCII IMAGE on
**	CM12864 LCD.etc..
*/




//volatile uchar command;				/*Command Word*/

/**************************************************
*			Function Definations Below			  */

void check_busy(void);
void send_com(const unsigned char command);
void send_com_init(const unsigned char command_init);
void send_data(const unsigned char data_a);
void send_data(const unsigned char data_a);
void clear_LCD(void);
void initial_LCD(void); 
void Display_num( unsigned char *ptr, unsigned char line, unsigned char col, unsigned char length );
void Display_ch( unsigned char *ptr, unsigned char line, unsigned char col, unsigned char length );
/*			Function Definations End			  *
**************************************************/

void main(void)
{
	clear_LCD();
	smNop();
	initial_LCD();
	smNop();
	clear_LCD();
	smNop();
	//Display_ch(title1,1, 4, 2);
	//Display_ch(title2,2,2,7);
	//Display_ch(title3,3,1,6);
	//Display_ch(title4,4,2,7);
	Display_num(num1,1,1,16);
	Display_num(num2,2,1,16);
	Display_num(num3,3,1,16);
	while(1);
		
}


/******************************************
功能：void check_busy( void )
功能：检查是否LCD忙碌的子程序
实参输入：void
返回值：void
******************************************/
void check_busy(void) 
{  	 
	 P1    = 0xff; 
     RS    = 0; 
     RW    = 1; 
     while (1) 
     {
	      smNop(); 
          E =1; 
          smNop();		 
		  if( P1 < 0x80 ) 
		      break; 
          smNop();
          E =0; 
      } 
     E = 0; 
}

/*****************************************
名称：void send_com( unsigned char command )
功能：写指令
实参输入：unsigned char command
返回值：void
*****************************************/
void send_com(const unsigned char command) 
{ 
     check_busy(); 
     RS = 0; 
     RW = 0;	 
	 P1 = command; 
     E  = 1; 
     smNop(); 
     E = 0; 
}

/********************************************************
名称：void send_com_init( unsigned char command_init )
功能：LCD初始化时的送命令
实参输入：unsigned char command_init
返回值：void
********************************************************/
void send_com_init(const unsigned char command_init ) 
{ 
     RS    = 0; 
     RW    = 0;
	 P1    = command_init; 
     E     = 1; 
     smNop();
     E     = 0; 
}

/*******************************************************
名称：void send_data( unsigned char data_a )
功能：写数据
实参输入：unsigned char data_a
返回值：void
*******************************************************/ 
void send_data(const unsigned char data_a)
{ 
     check_busy(); 
     RS    = 1; 		//DB7-DB0为显示数据
     RW    = 0; 	    //写入数据
	 P1    = data_a; 
     E     = 1; 	
     smNop();
     E     = 0; 			//下降沿
}

/*********************************************************
名称：void clear_LCD( void )
功能：清屏
实参输入：void
返回值：void
*********************************************************/
void clear_LCD(void) 
{ 
     send_com(0x01);  //清除显示//
     send_com(0x34);  // 功能设定：扩充指令集动作 //
     send_com(0x30);   //功能设定：基本指令集动作//
}

/*************************************************************
名称：void initial_LCD( void )
功能：LCD初始化
实参输入：void
返回值：void
*************************************************************/
void initial_LCD(void) 
{   
     PSB = 1; 	//并行传送
     RST = 0;   //复位 
     _nop_(); 
     _nop_(); 
     RST = 1;   //不复位
     _nop_(); 
     delay_10us(10); 
     send_com_init(0x30);//30H--基本指令操作 
     delay_10us(4); 
     send_com_init(0x0c);//开显示，关光标，不闪烁。 
     delay_10us(10); 
     send_com_init(0x01);//清除显示 
     delay_ms(10); 
     send_com_init(0x06);//指定在资料写入或读取时，光标的移动方向，DDRAM的地址计数器（AC）加1。     
}


/*********************************************************************
名称：void Display_num( unsigned char *ptr, unsigned char line, unsigned char col, unsigned char length )
功能：显示字符串				 2					  1						6
参数输入：unsigned char *ptr, unsigned char line, unsigned char col, unsigned char length
返回值：void
*********************************************************************/
void Display_num( unsigned char *ptr, unsigned char line, unsigned char col, unsigned char length )
{    
     unsigned char ddram = 0x00;
	 unsigned char i1;

	 if(line == 1)
	 	ddram = 0x80;
	 if(line == 2)
	 	ddram = 0x90;
	 if(line == 3)
	 	ddram = 0x88;
	 if(line == 4)
	    ddram = 0x98;

     ddram = ddram + col - 1;

     send_com( ddram );  //定位显示起始地址

	 for( i1 = 0;i1 < length;i1 ++ )
	 {
		 send_data( ptr[i1] );//输出单个字符 
     }		  
}

/********************************************************
名称: void Display_ch( unsigned char *ptr, unsigned char line, unsigned char col, unsigned char length )
功能：显示汉字子程序
实参输入：unsigned char *ptr, unsigned char line, unsigned char col, unsigned length
返回值：void
********************************************************/
void Display_ch( unsigned char *ptr, unsigned char line, unsigned char col, unsigned char length )
{

	 unsigned char ddram = 0x00;
	 unsigned char i1;
	 if(line == 1)
	 	ddram = 0x80;
	 if(line == 2)
	 	ddram = 0x90;
	 if(line == 3)
	 	ddram = 0x88;
	 if(line == 4)
	    ddram = 0x98;

	 ddram = ddram + col - 1;
     send_com( ddram );   //定位显示起始地址
   	 for( i1 = 0;i1 < length;i1 ++ )
	 {
 		 send_data(ptr[i1*2]);//输出单个字符
		 send_data(ptr[i1*2+1]); 
     }		  
}
/****************************************************************
-----------------------------------------------------------------
			   END	OF	MAIN.C
-----------------------------------------------------------------
****************************************************************/