/*
 * ds75.h
 *
 *  Created on: Aug 1, 2012
 *      Author: tkl
 */

#ifndef DS75_H_
#define DS75_H_

#include <stdbool.h>
#include "i2c.h"

//-----------------------------------------------------------------------------
enum ds75_precision {
	DS_75_PRECISION_9_BIT = 0,
	DS_75_PRECISION_10_BIT,
	DS_75_PRECISION_11_BIT,
	DS_75_PRECISION_12_BIT,

	DS_75_PRECISION_INVALID
};

//-----------------------------------------------------------------------------
//! \brief The ds75 driver object.
struct ds75 {
	const struct i2c	* i2c;			//!< The i2c device the ds75 is connected to.
	const char			i2c_slave_addr;	//!< The i2c slave address of the ds 75.
	char *const 		config_value;	//!< Config value.
};

//-----------------------------------------------------------------------------
//! \brief Data container for the ds 75 measurement result.
struct ds75_temperature {
	short temperature;	//!< Calculated temperature.
	char raw[2];		//!< Raw i2c result.
	bool valid;			//!< Validity indicator.
};

//-----------------------------------------------------------------------------
int ds75_open(const struct ds75 *device);
int ds75_close(const struct ds75 *device);
int ds75_set_precision(const struct ds75 *device, enum ds75_precision precision);
enum ds75_precision ds_75_get_precision(const struct ds75 *device);
int ds_75_shut_down(const struct ds75 *device);
int ds_75_wakeup(const struct ds75 *device);
struct ds75_temperature ds_75_get_temperature(const struct ds75 *device);

#endif /* DS75_H_ */