|
|
/*------------------------------------------------------------------------------
|
|
|
-- 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
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
