#include <comm.h>
 #include <lcd.h>
extern uchar LCD_BUF[2][16];

void Send_LCD_Cmd(uchar dt)
{
  	READ_LCD_BF_FLAG();
	EA= 0;
	LCD_RS=0;
	LCD__RW=0;
	LCD_PORT_DRC=0xff;
	SELECT_LCD_PORT;
	LCD_PORT=dt;	
	DISABLE_138;
	EA= 1;      
}


void Ini_LCD(void){	
          Send_LCD_Cmd(0x30); 
	   Send_LCD_Cmd(0x0c); 
	   Send_LCD_Cmd(0x06); 	
}


void READ_LCD_BF_FLAG(void){
	LCD_RS=0;
	LCD__RW=1;
	SELECT_LCD_PORT;
	LCD_PORT_DRC=0xff;
	while(LCD_PORT&0x80);
}
void Print_Row_Rom( uchar row_no ,  uchar  *strptr)  //字符串指針
{                                     //把要顯示的內容送進顯示緩沖區
	uchar i;
	if((row_no>1)||(*strptr==0)) return;
	for(i=0;i<16;i++)
	{
		LCD_BUF[row_no][i]=*strptr;
		_nop_();_nop_();
		if(*strptr==0) break;
		strptr++;
	}
	for(;i<16;i++)
	{
		LCD_BUF[row_no][i]=0x20;
	}
}
void Refresh_LCD_Screen(void){       //把顯示緩沖區的內容通過顯示數據線送到顯示LCD
	uchar i,j;
	for(i=0;i<2;i++)
	{
		for(j=0;j<16;j++)
		{    
		              if(i==0)	{
			             Send_LCD_Cmd(0x80) ;   //顯示在LCD的第一行
				      Send_LCD_Cmd(LCD_BUF[i][j]);
		              	}
			         if(i==1)	{
			             Send_LCD_Cmd(0x90) ;     //顯示在LCD的第二行
				      Send_LCD_Cmd(LCD_BUF[i][j]);
		              	}
			      
				
			}
			
		}
	}


void Print_underline(uchar x)
{ 
  
   Send_LCD_Cmd(x);
   Send_LCD_Cmd(0x2d);
}