/**************  OLED.C ** ******************** 
    US2011
    P3.7=RS ,P3.6=R/W P3.5=EN ,P1=DATA_BUS          
************************************************/  
//#include <REGX51.H> 
#include "LCD_US2011.h"       

void LCD_Init_68(void); 
void LCD_CGRAM_68(void);
void LCD_Cmd_68(uchar comm);
void LCD_Data_68(uchar Data);
void DISP_Chra_68(uchar col,uchar stra);
void DISP_Chr_68(uchar col,uchar chrx);
void DISP_Str_68(uchar col,uchar *str);
void DISP_left_68(char col);
void Chk_Busy_68();

//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//  Read/Write Sequence
//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

void LCD_Init_68(void) // LCD
{

	LCD_Cmd_68(0x38);  
	//DLY(50);
	LCD_Cmd_68(0x38); 
	//DLY(50);
	LCD_Cmd_68(0x08);    
    LCD_Cmd_68(0x01);     
	DLY(200);

    LCD_Cmd_68(0xEF);       //Enter Command Table2 oled set
    LCD_Cmd_68(0xFA);       
    LCD_Cmd_68(0x6E);       //Divide Ratio/Oscillator	 Frequency Data Set
    LCD_Cmd_68(0x40);       //Contrast Set
    LCD_Cmd_68(0xFC);       //0xFF 100% 0x80 50% 0x6D 30%
    LCD_Cmd_68(0xFE);       //Exit Command Table2
    LCD_Cmd_68(0xEB);       //0615*/


	LCD_Cmd_68(0x06); 
	LCD_Cmd_68(0x10); 
	LCD_Cmd_68(0x80); 
    LCD_Cmd_68(0x0C);      
    LCD_CGRAM_68();
	DLY(200);

}

void LCD_CGRAM_68(void) 			    //
{
	uchar i;
	LCD_Cmd_68(0x40);                   // CGRAM
	for (i=0 ; i<40; i++)
		LCD_Data_68(Table_0[i]);
}
void DISP_Chr_68(uchar col,uchar chrx)	// 
{
	uchar i;
	LCD_Cmd_68(col);        			// DDRAM 
	for (i=0 ; i<40; i++)
	LCD_Data_68(chrx);
}
void DISP_Chra_68(uchar col,uchar stra)	// 
{
	uchar i;
	LCD_Cmd_68(col);        			// DDRAM
	for (i=0 ; i<40; i++)
	LCD_Data_68(stra+i);
}

void DISP_Str_68(uchar col,uchar *str)	// 
{
	LCD_Cmd_68(col);        			// DDRAM 
	while(*str!=0)
		LCD_Data_68(*str++);
}
void DISP_left_68(char col)          //
{
	uchar i;
	for (i=0 ; i<20; i++){
		LCD_Cmd_68(col);             // DDRAM
		delay10ms(50); 
	}		
    LCD_Cmd_68(0x02);
    LCD_Cmd_68(0x10);
}

void LCD_Cmd_68(uchar comm)          //LCD
{
    Chk_Busy_68();                 //LCD
	RS=0 ;RW=0 ;EN=1 ;               //
    P1=comm ;DLY(2);                 //LCD
    EN=0 ;DLY(5);
	}

void LCD_Data_68(uchar Data) 		 //LCD
{
    Chk_Busy_68();                 //LCD
	RS=1 ;RW=0 ;EN=1 ;               //
    P1=Data ;DLY(2);                 //LCD
    EN=0 ;DLY(5);
	}


void Chk_Busy_68() 
{
   uchar status ;
   P1=0xff ;                        // P1
   do{
     RS=0 ;RW=1 ;EN=1 ;             // LCD
     status= P1 ;DLY(10);            // 
     EN=0 ;                         // LCD
   }
   while(status&0x80) ;             // (BF)
}