/************************************************/
#include <REG52.H>
#define uchar unsigned char
#define uint unsigned int
#define ulong unsigned long
sbit I2C_SDA= P1^5;
sbit I2C_SCK= P1^4;
sbit I2C_WP= P1^3;
sbit GRE=P1^7;

//===============================================

//=============================
//延時(shí)10US
//內(nèi)部調(diào)用函數(shù)
void  Delay_10_uS(void)
{
     char i=10;
     while(i--);
}

//延時(shí)n_milisecond MS
//供內(nèi)部調(diào)用函數(shù)
void delay_n_ms( uint n_milisecond)  /* n mS delay */
{
     uchar i;
     while(n_milisecond--)
     {
          i=37;
          while(i--);
     }
}

//開(kāi)始位
//內(nèi)部調(diào)用函數(shù)
bit I2C_Start(void)
{
     Delay_10_uS();
     I2C_SDA =1;
     Delay_10_uS();
     I2C_SCK =1;
     Delay_10_uS();
     if ( I2C_SDA == 0) return 0;
     if ( I2C_SCK == 0) return 0;
     I2C_SDA = 0;
     Delay_10_uS();
     I2C_SCK = 0;
     Delay_10_uS();
     return 1;
}

//停止位
//內(nèi)部調(diào)用函數(shù)
void  I2C_Stop(void)
{
     Delay_10_uS();
     I2C_SDA = 0;
     Delay_10_uS();
     I2C_SCK = 1;
     Delay_10_uS();
     I2C_SDA = 1;
     Delay_10_uS();
}


//寫(xiě)單字節(jié)數(shù)據(jù)
//內(nèi)部調(diào)用函數(shù)
bit I2C_Send_Byte( uchar d)
{
     uchar i = 8;
     bit bit_ack;
     while( i-- )
     {
          Delay_10_uS();
          if ( d &0x80 )   I2C_SDA =1;
          else             I2C_SDA =0;
          Delay_10_uS();
          I2C_SCK = 1;
          Delay_10_uS();
          I2C_SCK = 0;
          d = d << 1;
     }
     Delay_10_uS();
     I2C_SDA = 1;
     Delay_10_uS();
     I2C_SCK = 1;
     Delay_10_uS();
     bit_ack = I2C_SDA;
     I2C_SCK =0;
     Delay_10_uS();
     return bit_ack;
}



//寫(xiě)多字節(jié)數(shù)據(jù)
//供外部調(diào)用函數(shù)
void AT24C64_W(void *mcu_address,uint AT24C64_address,uint count)
{

     while(count--)
     {
          I2C_Start();
          /*I2C_Send_Byte( 0xa0 + AT24C64_address /256 *2);*/  /* 24C16  USE */
          I2C_Send_Byte( 0xa0 );//寫(xiě)命令設(shè)備地址為10100000最后一位為0"寫(xiě)標(biāo)志"
          I2C_Send_Byte(  AT24C64_address/256 );//寫(xiě)存儲(chǔ)器頁(yè)地址
          I2C_Send_Byte( AT24C64_address %256 );//寫(xiě)存儲(chǔ)器字節(jié)地址
          I2C_Send_Byte( *(uchar*)mcu_address );//寫(xiě)MCU地址指針指數(shù)據(jù)到存儲(chǔ)單元
          I2C_Stop();
          delay_n_ms(10);       /* waiting for write cycle to be completed */
          ((uchar*)mcu_address)++;
          AT24C64_address++;
     }
}

//讀多字節(jié)數(shù)據(jù)
//供外部調(diào)用函數(shù)

void write1()
{
	//uchar i,j;
	//bit kbit;
	uchar xdata tab[96]=
	{	
0x8,0x0,0x7,0xf0,0x0,0x0,0xf,0xfc,0x4,0x10,0x1f,0xf0,0x10,0x80,0x4,0x10,0x10,0x10,0x10,0x80,0x4,0x10,0x10,0x10,0x20,0x80,0x7,0xf0,0x10,0x10,0x4f,0xf8,0x4,0x10,0x10,0x10,0x88,0x80,0x4,0x10,0x1f,0xf0,0x8,0x80,0x4,0x10,0x10,0x10,0x8,0x80,0x7,0xf0,0x10,0x10,0x8,0x80,0x4,0x10,0x10,0x10,0xff,0xfe,0x8,0x10,0x10,0x10,0x0,0x80,0x8,0x10,0x10,0x10,0x0,0x80,0x10,0x10,0x1f,0xf0,0x0,0x80,0x20,0x50,0x10,0x10,0x0,0x80,0x40,0x20,0x0,0x0,0x0,0x80,0x0,0x0,0x0,0x0
	};																			
	AT24C64_W(tab,0x120,0x60);

}

//void write2()
//{
//uchar tab[2][16]={
//	{0x10,0x40,0x1A,0x40,0x13,0x40,0x32,0x40,0x23,0xFC,0x64,0x40,0xA4,0x40,0x28,0x40},
//	{0x2F,0xFE,0x20,0x40,0x20,0x40,0x20,0x40,0x20,0x40,0x20,0x40,0x20,0x40,0x20,0x40}/*"件",2*/
//	};
//	AT24C64_W(tab,0x0040,0x20);	
//}
//=====================================
void main()
{

	//uchar i,j;
	//P1=0;
	//P2=0;
	P3=0;
	GRE=0;
	write1();
//	write2();
	GRE=1;
}