/************************** Copyright (c) **********************************
**                 FUZHOU FUGUANG ELECTRONICS Co.,LTD.
**                        ¸£Öݸ£¹âµç×ÓÓÐÏÞ¹«Ë¾
**                       http://www.fuguang.com
**
**-------------- File Info -------------------------------------------------
** File name:			74HC595_Driver.c
** Last modified Date:  2008-11-16
** Last Version:		1.0
** Descriptions:		74HC595 Drivers lib
**
**--------------------------------------------------------------------------
** Created by:			mxpopstar
** Created date:		2008-11-16
** Version:				1.0
** Descriptions:		The original version
**
**--------------------------------------------------------------------------
** Modified by:			mxpopstar
** Modified date:		2008-11-20
** Version:
** Descriptions:		74HC595 Drivers lib
**
***************************************************************************/
//
#include <avr/io.h>
#include "74HC595_Driver.h"
#include  "WorkingPage.h"

//------------ ÅäÖÃHC595¶Ë¿Ú -----------------------------------------------
void InitIo_HC595(void)
{
	HC595_OE_DDR |= (1<<HC595_OE_PIN);
	HC595_STcp_DDR |= (1<<HC595_STcp_PIN);
	HC595_DS_DDR |= (1<<HC595_DS_PIN);
	HC595_SHcp_DDR |= (1<<HC595_SHcp_PIN);
	
	HC595_OE_1;
	HC595_SHcp_0;
	_delay_us(5);
	//SendDataToHC595(DischargeControlInit & (~WIND));
	_delay_us(5);
}
//

//------------ function SpiWrite(); ----------------------------------------
void SpiWrite_HC595(const unsigned char byte)
{
	unsigned char i;	
	for (i=0; i<8; i++)			// Setup byte circulation bits
	{	
		if (0x80 & (byte<<i))	// Put DATA_BUF.7 on data line
			HC595_DS_1;
		else
			HC595_DS_0;
			
		HC595_SHcp_1;			// Set clock line high
		_delay_us(10);
		HC595_SHcp_0;			// Set clock line low 
		_delay_us(10);
	}	
}
//

//--------------- ÏòHC595·¢ËÍ16λµÄÊý¾Ý ------------------------------------
void SendDataToHC595(const unsigned int data)
{
	SpiWrite_HC595((unsigned char)(data>>8));
	SpiWrite_HC595((unsigned char)data);
	HC595_STcp_1;
	HC595_STcp_0;
	HC595_OE_0;
}
//