/* IC :1.5´ç sh1107  */
/* Module : 128128-COG */

#include "io51.h"

                   
/*¸±³Ìʽ*/   
void write_i(unsigned char ins)
{
	
   DC=0;
   CS=0;
   WR=1;
   P1=ins;       /*inst*/
   WR=0;
   WR=1;
   CS=1;
}

void write_d(unsigned char dat)
{ 
   DC=1;
   CS=0;
   WR=1;
   P1=dat;       /*data*/
   WR=0;
   WR=1;
   CS=1;
}


void delay(unsigned int i)							
{
   	while(i>0)
   	{
		i--;
   	}
}


                   
void  sh1107()
{
       write_i(0xAE);    /*display off*/
            
       write_i(0x00);    /*set lower column address*/       
       write_i(0x10);    /*set higher column address*/

       write_i(0xB0);    /*set page address*/
       
       write_i(0xdc);    /*set display start line*/
       write_i(0x00);      
       
       write_i(0x81);    /*contract control*/
       write_i(0x6f);    /*128*/

       write_i(0x20);    /* Set Memory addressing mode (0x20/0x21) */
       
       write_i(0xA1);    /*set segment remap*/

       write_i(0xC0);    /*Com scan direction*/

       write_i(0xA4);    /*Disable Entire Display On (0xA4/0xA5)*/ 
      
       write_i(0xA6);    /*normal / reverse*/
       
       write_i(0xA8);    /*multiplex ratio*/
       write_i(0x7F);    /*duty = 1/64*/
               
       write_i(0xD3);    /*set display offset*/
       write_i(0x60);
       
       write_i(0xD5);    /*set osc division*/
       write_i(0x80);    
       
       write_i(0xD9);    /*set pre-charge period*/
       write_i(0x1D);
             
        write_i(0xdb);    /*set vcomh*/
        write_i(0x35);
       
        write_i(0xad);    /*set charge pump enable*/
        write_i(0x80);     /*Set DC-DC enable (a=0:disable; a=1:enable) */
       
        write_i(0xAF);    /*display ON*/                           

}