eeprom.c

Zoran VP2K731 DVD源代码,极具参考价值!

/***********************************************************************/
/* File:															   */
/*	  Copyright (c) 2000 ZORAN Corporation, All Rights Reserved		   */
/*	  THIS IS PROPRIETARY SOURCE CODE OF ZORAN CORPORATION             */
/*																	   */
/* ===========                                                         */
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/* ===                                                                 */
/* $Name: V_1_16 V_1_15 V_1_14 $                                                            
/* $Header: v:/dsg/rcs/dsg/vp2k/Customer/device/eeprom/eeprom.c 1.3 2001/08/17 02:33:35 dingming Exp $                                                          
/* $Log: eeprom.c $										                       
/* Revision 1.3  2001/08/17 02:33:35  dingming										                       
/* Revision 1.3  2001/08/16 08:32:52Z  dingming										                       
/* Revision 1.2  2000/11/09 04:07:28  cliff										                       
/***********************************************************************/
#include <sysdefs.h>
#include "eeprom.h"
#include "..\i2c\i2c.h"


BOOL eeprom_write(unsigned int addr, unsigned char *data, unsigned int count)
{
	return i2c_write_string( 0xa0, (unsigned char) addr, count, data );
}

BOOL eeprom_read(unsigned int addr, unsigned char *data, unsigned int count)
{
	return i2c_read_string( 0xa0, (unsigned char) addr, count, data );
}

#ifdef ENABLE_EEPROM_BYTE_WR	//DM0816
BOOL eeprom_write_byte(BYTE addr,BYTE data)
{
    BYTE retry = 10;
		BYTE tmp;
    while(retry--)
    	if(i2c_write(0xa0,addr,data)==TRUE) return TRUE;
    printf("write eeprom byte error\n");
    return FALSE;
}
#endif