50 lines
1.5 KiB
C
Executable File
50 lines
1.5 KiB
C
Executable File
/*
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* ds75.h
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*
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* Created on: Aug 1, 2012
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* Author: tkl
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*/
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#ifndef DS75_H_
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#define DS75_H_
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#include <stdbool.h>
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#include "i2c.h"
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//-----------------------------------------------------------------------------
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enum ds75_precision {
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DS_75_PRECISION_9_BIT = 0,
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DS_75_PRECISION_10_BIT,
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DS_75_PRECISION_11_BIT,
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DS_75_PRECISION_12_BIT,
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DS_75_PRECISION_INVALID
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};
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//-----------------------------------------------------------------------------
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//! \brief The ds75 driver object.
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struct ds75 {
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const struct i2c * i2c; //!< The i2c device the ds75 is connected to.
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const char i2c_slave_addr; //!< The i2c slave address of the ds 75.
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char *const config_value; //!< Config value.
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};
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//-----------------------------------------------------------------------------
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//! \brief Data container for the ds 75 measurement result.
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struct ds75_temperature {
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short temperature; //!< Calculated temperature.
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char raw[2]; //!< Raw i2c result.
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bool valid; //!< Validity indicator.
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};
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//-----------------------------------------------------------------------------
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int ds75_open(const struct ds75 *device);
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int ds75_close(const struct ds75 *device);
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int ds75_set_precision(const struct ds75 *device, enum ds75_precision precision);
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enum ds75_precision ds_75_get_precision(const struct ds75 *device);
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int ds_75_shut_down(const struct ds75 *device);
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int ds_75_wakeup(const struct ds75 *device);
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struct ds75_temperature ds_75_get_temperature(const struct ds75 *device);
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#endif /* DS75_H_ */
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