/*------------------------------------------------------------------------------
--  This file is a part of the libuc, microcontroler library
--  Copyright (C) 2012, 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 "mbr.h"
#include <stdio.h>


int mbropen(blkdevice* phy,dikpartition* part,char partNum)
{
	printf("enter MBR open function\n");
	char mbr[512];
	if((part==0) || (phy ==0) || (partNum>4) || (partNum==0)  ) return MBRBabArg;
	part->phy = phy;
	if(phy->read(phy,mbr,0,1)!=RES_OK)
	{	
		printf("can't read MBR!\n");
        printf("%x %x %x %x %x %x %x %x\n",mbr[0],mbr[1],mbr[2],mbr[3],mbr[4],mbr[5],mbr[6],mbr[7]);
		return MBRReadErr;
	}
	if(((mbr[510]) == (char)0x55) && ((mbr[511]) == (char)0xAA))
	{
		part->TypeCode = mbr[(512-82+TypeCodeoffset)+partNum*16];
		part->LBABegin = (unsigned int)mbr[(512-82+LBABeginoffset)+partNum*16] + ((unsigned int)mbr[(512-82+LBABeginoffset+1)+partNum*16]<<8)+ ((unsigned int)mbr[(512-82+LBABeginoffset+2)+partNum*16]<<16)+ ((unsigned int)mbr[(512-82+LBABeginoffset+3)+partNum*16]<<24);
		part->NumOfSec = (unsigned int)mbr[(512-82+NumOfSecoffset)+partNum*16] + ((unsigned int)mbr[(512-82+NumOfSecoffset+1)+partNum*16]<<8)+ ((unsigned int)mbr[(512-82+NumOfSecoffset+2)+partNum*16]<<16)+ ((unsigned int)mbr[(512-82+NumOfSecoffset+3)+partNum*16]<<24);
		printf("MBR Ok\n");
		return MBRnoErr;
	}
	printf("Bad MBR MBR[510]=0x%.2X MBR[511]=0x%.2X!\n",0xff&mbr[510],0xff&mbr[511]);
	return MBRBadMbr;
	
}