Interface definition for the TMP00X sensor driver. More...

Detailed Description

Interface definition for the TMP00X sensor driver.

Author: Johann Fischer j.fis.nosp@m.cher.nosp@m.@phyt.nosp@m.ec.d.nosp@m.e; Sebastian Meiling s@mln.nosp@m.g.ne.nosp@m.t; Jannes Volkens janne.nosp@m.s.vo.nosp@m.lkens.nosp@m.@haw.nosp@m.-hamb.nosp@m.urg..nosp@m.de

Definition in file tmp00x.h.

#include <stdint.h>
#include <stdbool.h>
#include "periph/i2c.h"
#include "kernel_defines.h"

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Data Structures
struct	tmp00x_params_t
	Parameters needed for device initialization. More...

struct	tmp00x_t
	Device descriptor for TMP00X sensors. More...

Macros
#define	BUS (dev->p.i2c)
	BUS.

#define	ADDR (dev->p.addr)
	ADDR.

#define	CONFIG_TMP00X_I2C_ADDRESS (0x40)
	Default Address.

#define	CONFIG_TMP00X_CONVERSION_TIME (1E6)
	Default Conversion Time in us.

#define	CONFIG_TMP00X_USE_LOW_POWER
	Default low power mode.

#define	CONFIG_TMP00X_USE_RAW_VALUES
	Default raw value mode.

Enumerations
enum	{ TMP00X_OK , TMP00X_ERROR_BUS , TMP00X_ERROR_DEV , TMP00X_ERROR_CONF , TMP00X_ERROR }
	TMP00X specific return values. More...

Functions
int	tmp00x_init (tmp00x_t dev, const tmp00x_params_t params)
	Initialize the TMP00X sensor driver.

int	tmp00x_reset (const tmp00x_t *dev)
	Reset the TMP00X sensor, afterwards it should be reinitialized.

int	tmp00x_set_active (const tmp00x_t *dev)
	Set active mode, this enables periodic measurements.

int	tmp00x_set_standby (const tmp00x_t *dev)
	Set standby mode.

int	tmp00x_read (const tmp00x_t dev, int16_t rawv, int16_t rawt, uint16_t drdy)
	Read sensor's data.

void	tmp00x_convert (int16_t rawv, int16_t rawt, float tamb, float tobj)
	Convert raw sensor values to temperature.

int	tmp00x_read_temperature (const tmp00x_t dev, int16_t ta, int16_t *to)
	Convenience function to get ambient and object temperatures in [°C].

Conversion rate and AVG sampling configuration
#define	TMP00X_CONFIG_CR_AS1 (0x00)
	Conversion Time 0.25s, AVG Samples: 1.

#define	TMP00X_CONFIG_CR_AS2 (0x01)
	Conversion Time 0.5s, AVG Samples: 2.

#define	TMP00X_CONFIG_CR_AS4 (0x02)
	Conversion Time 1s, AVG Samples: 4.

#define	TMP00X_CONFIG_CR_AS8 (0x03)
	Conversion Time 2s, AVG Samples: 8.

#define	TMP00X_CONFIG_CR_AS16 (0x04)
	Conversion Time 4s, AVG Samples: 16.

#define	TMP00X_CONFIG_CR_DEF TMP00X_CONFIG_CR_AS4
	Default for Testing.

Constants for TMP00X calibration
#define	TMP00X_CCONST_S0 (6.4E-14)
	Calibration Factor.

#define	TMP00X_CCONST_A1 (1.75E-3)
	Constant $a_{\mathrm{1}}$ .

#define	TMP00X_CCONST_A2 (-1.678E-5)
	Constant $a_{\mathrm{2}}$ .

#define	TMP00X_CCONST_TREF (298.15)
	Constant $T_{\mathrm{REF}}$ .

#define	TMP00X_CCONST_B0 (-2.94E-5)
	Constant $b_{\mathrm{0}}$ .

#define	TMP00X_CCONST_B1 (-5.7E-7)
	Constant $b_{\mathrm{1}}$ .

#define	TMP00X_CCONST_B2 (4.63E-9)
	Constant $b_{\mathrm{2}}$ .

#define	TMP00X_CCONST_C2 (13.4)
	Constant $c_{\mathrm{2}}$ .

#define	TMP00X_CCONST_LSB_SIZE (156.25E-9)
	Sensor Voltage Register LSB Size.

Data Structures