50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
|
/*
|
||
|
|
* 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_ */
|