/*------------------------------------------------------------------------------
--  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
-------------------------------------------------------------------------------*/
#ifndef IIC_H
#define IIC_H
#include "LPC17xx.h"

enum iicctrlvals
{
        i2noerr,
        i2noack,
        i2arbloss,
        i2busy,
        i2timeout
};

typedef enum iicctrlvals i2ctrl;

struct lpc17XXi2cRegs
{
 unsigned long I2CONSET; 
 unsigned long I2STAT;
 unsigned long I2DAT;
 unsigned long I2ADR; 
 unsigned long I2SCLH;
 unsigned long I2SCLL;
 unsigned long I2CONCLR;
};

typedef volatile struct lpc17XXi2cRegs i2cDev;

extern i2ctrl i2cwrite(i2cDev* dev,char address,char*data,int* cnt);
extern i2ctrl i2cwrite2(i2cDev* dev,char address,char*cmd,int* cmdcnt,char*data,int* datcnt);
extern i2ctrl i2cread(i2cDev* dev,char address,char*data,int* cnt);
extern i2cDev* i2copen(int count);
extern void i2cenable(i2cDev* dev);
extern void i2cdisable(i2cDev* dev);
extern void i2csetup(i2cDev* dev,int clkH,int clkL);
extern unsigned char i2cgetpclkfactor(i2cDev* dev);
extern void i2csetpclkfactor(i2cDev* dev,unsigned char pclkfactor);
extern void i2csetdatarate(i2cDev* dev,unsigned int  dataRate);

#endif