/* ---------- 宏晶科技 大唐設計  9/30/2004--- */ 
/* ---Fax: 0755-82944243 -------------------- */ 
/* ---Mobile:13922805190--------------------- */ 
/* ---Email: support@dsp-memory.com------------ */ 

#include <reg52.h>
#include <stdio.h>
#include <intrins.h> 

	sbit	SCLK 	= P1^7;       	
	sbit	MISO 	= P1^6;    //SDO
	sbit	CS		= P1^4;		

typedef	unsigned char	INT8U;		/* 8 bit 無符號整型 */
typedef	unsigned int	INT16U;		/* 16 bit 無符號整型 */

INT8U read_one_word()
{
	INT8U	i	=	0;
	INT8U	temp	=	0;
	INT16U	one_data	=	0;

//	MISO	= 	1;
	CS		=	0;	
	for(i = 0; i < 16; i ++)
	{
		one_data = one_data << 1;

		SCLK = 0;
		_nop_();
		SCLK = 1;
		_nop_();
		if(MISO	=	1)
 	    	{
			one_data = one_data | 0x01;
		}
	}

	SCLK 	= 	0;
	CS		=	1;
	return (one_data);
}

void display()
{
}

void main()
{
	CS	=	1;
	MISO	=	1;
	SCLK	=	0;
	read_one_word();
	display();
	while(1);
}