i2ccore.h

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////////////////////////////////////////////////////////////////////////////////
//
// Package:   Laelaps
//
// File:      i2ccore.h
//
/*! \file
 *
 * $LastChangedDate: 2016-01-28 14:19:12 -0700 (Thu, 28 Jan 2016) $
 * $Rev: 4278 $
 *
 * \brief I2C python C interface header.
 *
 * \author Robin Knight (robin.knight@roadnarrows.com)
 *
 * \copyright
 *   \h_copy 2016-2017. RoadNarrows LLC.\n
 *   http://www.roadnarrows.com\n
 *   All Rights Reserved
 */
/*
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////////////////////////////////////////////////////////////////////////////////

#ifndef _I2CCORE_H
#define _I2CCORE_H


#include "rnr/rnrconfig.h"

extern int i2ccore_open(const char *device); 

extern int i2ccore_close(int fd);

extern int i2ccore_read(int fd,
                        unsigned short cur_addr,
                        unsigned short addr,
                        byte_t buf[],
                        unsigned int len);

extern int i2ccore_write(int fd,
                         unsigned short cur_addr,
                         unsigned short addr,
                         byte_t buf[],
                         unsigned int len);

int i2ccore_transfer(int fd, unsigned short cur_addr, unsigned short addr,
                  byte_t wbuf[], unsigned int wcount,
                  byte_t rbuf[], unsigned int rcount);

int i2ccore_check(int fd, unsigned short cur_addr, unsigned short addr);

#endif // _I2CCORE_H