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tmp00x.h
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1/*
2 * Copyright (C) 2014 PHYTEC Messtechnik GmbH
3 * 2017 - 2019 HAW Hamburg
4 *
5 * This file is subject to the terms and conditions of the GNU Lesser
6 * General Public License v2.1. See the file LICENSE in the top level
7 * directory for more details.
8 */
9
80#ifndef TMP00X_H
81#define TMP00X_H
82
83#include <stdint.h>
84#include <stdbool.h>
85#include "periph/i2c.h"
86#include "kernel_defines.h"
87
88#ifdef __cplusplus
89extern "C"
90{
91#endif
92
93#define BUS (dev->p.i2c)
94#define ADDR (dev->p.addr)
109#ifndef CONFIG_TMP00X_I2C_ADDRESS
110#define CONFIG_TMP00X_I2C_ADDRESS (0x40)
111#endif
112
120#if IS_ACTIVE(CONFIG_TMP00X_CONVERSION_TIME_0_25S)
121#define CONFIG_TMP00X_CONVERSION_TIME (25E4)
122#elif IS_ACTIVE(CONFIG_TMP00X_CONVERSION_TIME_0_5S)
123#define CONFIG_TMP00X_CONVERSION_TIME (5E5)
124#elif IS_ACTIVE(CONFIG_TMP00X_CONVERSION_TIME_1S)
125#define CONFIG_TMP00X_CONVERSION_TIME (1E6)
126#elif IS_ACTIVE(CONFIG_TMP00X_CONVERSION_TIME_2S)
127#define CONFIG_TMP00X_CONVERSION_TIME (2E6)
128#elif IS_ACTIVE(CONFIG_TMP00X_CONVERSION_TIME_4S)
129#define CONFIG_TMP00X_CONVERSION_TIME (4E6)
130#endif
131
132#ifndef CONFIG_TMP00X_CONVERSION_TIME
133#define CONFIG_TMP00X_CONVERSION_TIME (1E6)
134#endif
135
144#ifdef DOXYGEN
145#define CONFIG_TMP00X_USE_LOW_POWER
146#endif
147
154#ifdef DOXYGEN
155#define CONFIG_TMP00X_USE_RAW_VALUES
156#endif
163#define TMP00X_CONFIG_CR_AS1 (0x00)
164#define TMP00X_CONFIG_CR_AS2 (0x01)
165#define TMP00X_CONFIG_CR_AS4 (0x02)
166#define TMP00X_CONFIG_CR_AS8 (0x03)
167#define TMP00X_CONFIG_CR_AS16 (0x04)
168#define TMP00X_CONFIG_CR_DEF TMP00X_CONFIG_CR_AS4
176#ifndef TMP00X_CCONST_S0
177#define TMP00X_CCONST_S0 (6.4E-14)
178#endif
179#define TMP00X_CCONST_A1 (1.75E-3)
180#define TMP00X_CCONST_A2 (-1.678E-5)
181#define TMP00X_CCONST_TREF (298.15)
182#define TMP00X_CCONST_B0 (-2.94E-5)
183#define TMP00X_CCONST_B1 (-5.7E-7)
184#define TMP00X_CCONST_B2 (4.63E-9)
185#define TMP00X_CCONST_C2 (13.4)
186#define TMP00X_CCONST_LSB_SIZE (156.25E-9)
192typedef struct {
194 uint8_t addr;
195 uint8_t rate;
197
201typedef struct {
203} tmp00x_t;
204
208enum {
214};
215
227int tmp00x_init(tmp00x_t *dev, const tmp00x_params_t *params);
228
237int tmp00x_reset(const tmp00x_t *dev);
238
248
258
270int tmp00x_read(const tmp00x_t *dev, int16_t *rawv, int16_t *rawt, uint16_t *drdy);
271
280void tmp00x_convert(int16_t rawv, int16_t rawt, float *tamb, float *tobj);
281
295int tmp00x_read_temperature(const tmp00x_t *dev, int16_t *ta, int16_t *to);
296
297#ifdef __cplusplus
298}
299#endif
300
301#endif /* TMP00X_H */
uint_fast8_t i2c_t
Default i2c_t type definition.
Definition i2c.h:151
int tmp00x_read(const tmp00x_t *dev, int16_t *rawv, int16_t *rawt, uint16_t *drdy)
Read sensor's data.
int tmp00x_set_standby(const tmp00x_t *dev)
Set standby mode.
int tmp00x_read_temperature(const tmp00x_t *dev, int16_t *ta, int16_t *to)
Convenience function to get ambient and object temperatures in [°C].
void tmp00x_convert(int16_t rawv, int16_t rawt, float *tamb, float *tobj)
Convert raw sensor values to temperature.
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.
@ TMP00X_ERROR_DEV
internal device error
Definition tmp00x.h:211
@ TMP00X_ERROR_CONF
invalid device configuration
Definition tmp00x.h:212
@ TMP00X_ERROR
general error
Definition tmp00x.h:213
@ TMP00X_OK
Success, no error.
Definition tmp00x.h:209
@ TMP00X_ERROR_BUS
I2C bus error.
Definition tmp00x.h:210
Low-level I2C peripheral driver interface definition.
Common macros and compiler attributes/pragmas configuration.
Parameters needed for device initialization.
Definition tmp00x.h:192
i2c_t i2c
I2C device, the sensor is connected to.
Definition tmp00x.h:193
uint8_t rate
number of averaged samples
Definition tmp00x.h:195
uint8_t addr
the sensor's slave address on the I2C bus
Definition tmp00x.h:194
Device descriptor for TMP00X sensors.
Definition tmp00x.h:201
tmp00x_params_t p
Configuration parameters.
Definition tmp00x.h:202