/*------------------------------------------------------------------------------
--  This file is a part of the libuc, microcontroler library
--  Copyright (C) 2011, Alexis Jeandet
--
--  This program is free software; you can redistribute it and/or modify
--  it under the terms of the GNU General Public License as published by
--  the Free Software Foundation; either version 3 of the License, or
--  (at your option) any later version.
--
--  This program is distributed in the hope that it will be useful,
--  but WITHOUT ANY WARRANTY; without even the implied warranty of
--  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--  GNU General Public License for more details.
--
--  You should have received a copy of the GNU General Public License
--  along with this program; if not, write to the Free Software
--  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
-------------------------------------------------------------------------------
--                 Author : Alexis Jeandet
--                   Mail : alexis.jeandet@gmail.com
-------------------------------------------------------------------------------*/
#include "24LC0X.h"
#include "iic.h"
#include "core.h"
/*
struct 24LC0X_str
{
 i2cDev iicdev;
 unsigned char devAddress;
 unsigned char size;
};
*/


void eeprom24lc0xopen(eeprom24lc0xDev* dev,i2cDev iicdev,unsigned char A0_A1_A2_val,unsigned int size)
{
	dev->iicdev = iicdev;
	dev->devAddress = 0x50 | (A0_A1_A2_val & 0x7);
	if(size == 2048) dev->size = 2;
	if(size == 1024) dev->size = 1;
}

void eeprom24lc0xpagewrite(eeprom24lc0xDev dev,unsigned char address,unsigned char* page)
{
	int cmdcnt=1,datacnt=8;
	i2cwrite2(dev.iicdev,dev.devAddress,&address,&cmdcnt,page,&datacnt);
}


void eeprom24lc0xpageread(eeprom24lc0xDev dev,unsigned char address,unsigned char* page)
{
	int cmdcnt=1,datacnt=8;
	i2cwrite(dev.iicdev,dev.devAddress,&address,&cmdcnt);
	i2cread(dev.iicdev,dev.devAddress,page,&datacnt);
}

void eeprom24lc0xbytewrite(eeprom24lc0xDev dev,unsigned char address,unsigned char data)
{
	int cmdcnt=1,datacnt=1;
	i2cwrite2(dev.iicdev,dev.devAddress,&address,&cmdcnt,&data,&datacnt);
}


unsigned char eeprom24lc0xbyteread(eeprom24lc0xDev dev,unsigned char address)
{
	int cmdcnt=1,datacnt=1;
	unsigned char data = 0;
	i2cwrite(dev.iicdev,dev.devAddress,&address,&cmdcnt);
	i2cread(dev.iicdev,dev.devAddress,&data,&datacnt);
	return data;
}


void eeprom24lc0xreadn(eeprom24lc0xDev dev,unsigned char address,unsigned char* data, unsigned int count)
{
	int cmdcnt=1,datacnt=count;
	i2cwrite(dev.iicdev,dev.devAddress,&address,&cmdcnt);
	i2cread(dev.iicdev,dev.devAddress,data,&datacnt);
	
}

void eeprom24lc0xwriten(eeprom24lc0xDev dev,unsigned char address,unsigned char* data, unsigned int count)
{
	int cmdcnt=1,datacnt=8;
	while(count >8)
	{
		cmdcnt=1;datacnt=8;
		while(i2noerr!=i2cwrite2(dev.iicdev,dev.devAddress,&address,&cmdcnt,data,&datacnt)){cmdcnt=1;datacnt=8;}
		count-=8;
		address+=8;
		data+=8;
	}
	cmdcnt=1;datacnt=count;
	while(i2noerr!=i2cwrite2(dev.iicdev,dev.devAddress,&address,&cmdcnt,data,&datacnt)){cmdcnt=1;datacnt=count;}
}