tg12864p.h

一个用1602显示的多功能电子钟,内有实时时钟功能和温度显示功能！

#ifndef TG12864P_H
#define TG12864P_H
#include <reg52.h>
/**************************************************************
               iO口宏定义区
***************************************************************/
sbit CS =P1^0;
sbit SID=P1^1;//r/w
sbit SCK=P1^2;//e
sbit psb=P1^3;
sbit rst=P1^5;


/*******************************************************************
              常量声明区
********************************************************************/
unsigned char code time[]={"0123456789"} ;
unsigned char code danwei[]={"秒分时年月日星期"};
unsigned char code AC_TABLE[]={				           //坐标编码
0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,
0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,
0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f,
0x98,0x99,0x9a,0x9b,0x9c,0x9d,0x9e,0x9f,
};
/****************************************************************
 声明：建议读者先查阅我们提供的12864word文档资料，理解12864定坐标的
 方式。



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


/****************************************************************
              发送一个字节
*****************************************************************/
void SendByte(unsigned char Dbyte)
{
         unsigned char i;
         for(i=0;i<8;i++)
         {
                 SCK = 0;
                 Dbyte=Dbyte<<1;
                 SID = CY;
                 SCK = 1;
                 SCK = 0;
         }
}
/******************************************************************
              接收一个字节
********************************************************************/

unsigned char ReceiveByte(void)
{
         unsigned char i,temp1,temp2;
         temp1=temp2=0;
         for(i=0;i<8;i++)
         {
                 temp1=temp1<<1;
                 SCK = 0;
                 SCK = 1;                
                 SCK = 0;
                 if(SID) temp1++;
         }
         for(i=0;i<8;i++)
         {
                 temp2=temp2<<1;
                 SCK = 0;
                 SCK = 1;
                 SCK = 0;
                 if(SID) temp2++;
         }
         return ((0xf0&temp1)+(0x0f&temp2));
}
/****************************************************************
                      检查忙状态
******************************************************************/
void CheckBusy( void )
{
         do    SendByte(0xfc);     //11111,RW(1),RS(0),0
         while(0x80&ReceiveByte());
}

/******************************************************************
           写一个字节的指令
*******************************************************************/
void WriteCommand( unsigned char Cbyte )
{
         CS = 1;
         CheckBusy();
         SendByte(0xf8);          //11111,RW(0),RS(0),0
         SendByte(0xf0&Cbyte);
         SendByte(0xf0&Cbyte<<4);
         CS = 0;
}
/*********************************************************************
                 写一个字节的数据
************************************************************************/
void WriteData( unsigned char Dbyte )
{
         CS = 1;
         CheckBusy();
         SendByte(0xfa);          //11111,RW(0),RS(1),0
         SendByte(0xf0&Dbyte);
         SendByte(0xf0&Dbyte<<4);
         CS = 0;
}

/************************************************************************************
                         lcd初始化函数
**************************************************************************************/
void LcmInit( void )
{
         rst=1;
		 psb=0;
         WriteCommand(0x30);
         WriteCommand(0x03);
         WriteCommand(0x0c);
         WriteCommand(0x01);
         WriteCommand(0x06);
}

/*******************************************************************************************************
                                 设定光标函数
********************************************************************************************************/
void Location_xy_12864(unsigned char x,unsigned char y)
{
	switch(x)
	{
		case 0:
			x=0x80;break;
		case 1:
			x=0x90;break;
		case 2:
			x=0x88;break;
		case 3:
			x=0x98;break;
		default:
			x=0x80;
	}
	y=y&0x07;
	WriteCommand(0x30);
	WriteCommand(y+x);
	WriteCommand(y+x);

}
/***********************************************************************************
                  清除文本
************************************************************************************/
void LcmClearTXT( void )
{
         unsigned char i;
         WriteCommand(0x30);
         WriteCommand(0x80);
         for(i=0;i<64;i++)
            WriteData(0x20);
		Location_xy_12864(0,0);

}
/**************************************************************************************
                   清除图片
*****************************************************************************************/
void LcmClearBMP( void )
{
         unsigned char i,j;
         WriteCommand(0x34);
         WriteCommand(0x36);
         for(i=0;i<32;i++)
         {
                 WriteCommand(0x80|i);
                 WriteCommand(0x80);
                 for(j=0;j<32;j++)
                    WriteData(0);
         }
}
/****************************************************************************************
                      显示字符串
*****************************************************************************************/
void PutStr(unsigned char row,unsigned char col,unsigned char *puts)
{         

        
         WriteCommand(0x30);
         WriteCommand(AC_TABLE[8*row+col]);
         while(*puts != '\0')
         {
                 if(col==8)
                 {
                         col=0;
                         row++;
                 }
                 if(row==4) row=0;
                 WriteCommand(AC_TABLE[8*row+col]);
                 WriteData(*puts);
                 puts++;
				 if(*puts != '\0')
				 {
                 WriteData(*puts);
                 puts++;
                 col++;
				 }
			
         }
}

/**************************************************************************
                      显示全屏图片
***************************************************************************/
void PutBMP(unsigned char *puts)
{          
         unsigned int x=0,y=0;
         unsigned char i,j;
         WriteCommand(0x34);
         WriteCommand(0x36);
         for(i=0;i<32;i++)  
         {
                 WriteCommand(0x80|i);
                 WriteCommand(0x80);  
                 for(j=0;j<16;j++)    
                 {                     
                         WriteData(puts[x]);
                      
                         x++;
                 }
				  y=x-16; 
				  for(j=0;j<16;j++)    
                 {                    
                         WriteData(puts[y+512]);
                      
                         y++;
                 }
         }