bmp3_i2c.c File Reference

Sensor driver for BMP3 sensor via I2C. More...

#include "peripherals/bmp3_i2c.h"

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Functions
static void	parse_sensor_data (struct Bmp3_I2c *bmp)
	local function to extract raw data from i2c buffer and compute compensation with selected precision
static void	parse_calib_data (struct Bmp3_I2c *bmp)
	This internal API is used to parse the calibration data, compensates it and store it in device structure.
static double	compensate_pressure (struct Bmp3_I2c *bmp)
	This internal API is used to compensate the raw pressure data and return the compensated pressure data in double data type.
static double	compensate_temperature (struct Bmp3_I2c *bmp)
	This internal API is used to compensate the raw temperature data and return the compensated temperature data in double data type.
static double	bmp3_pow (double base, uint8_t power)
	This internal API is used to calculate the power functionality for double precision floating point values.
void	bmp3_i2c_init (struct Bmp3_I2c *bmp, struct i2c_periph *i2c_p, uint8_t addr)
	init function
void	bmp3_i2c_periodic (struct Bmp3_I2c *bmp)
	Start new measurement if sensor ready.
void	bmp3_i2c_event (struct Bmp3_I2c *bmp)

Detailed Description

Sensor driver for BMP3 sensor via I2C.

Modified for Paparazzi from SDP3 driver from BoshSensortec see https://github.com/BoschSensortec/BMP3-Sensor-API for original code and license

Definition in file bmp3_i2c.c.

Function Documentation

bmp3_i2c_event()

void bmp3_i2c_event

(

struct Bmp3_I2c *

bmp

)

Definition at line 125 of file bmp3_i2c.c.

References BMP3_ALL, BMP3_STATUS_CONFIGURE, BMP3_STATUS_GET_CALIB, BMP3_STATUS_READ_DATA, BMP3_STATUS_UNINIT, compensate_pressure(), compensate_temperature(), foo, I2CTransDone, I2CTransFailed, I2CTransSuccess, parse_calib_data(), and parse_sensor_data().

Referenced by baro_bmp3_event().

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bmp3_i2c_init()

void bmp3_i2c_init	(	struct Bmp3_I2c *	bmp,
		struct i2c_periph *	i2c_p,
		uint8_t	addr
	)

init function

Definition at line 60 of file bmp3_i2c.c.

References BMP3_STATUS_UNINIT, foo, I2CTransDone, and i2c_periph::status.

Referenced by baro_bmp3_init().

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bmp3_i2c_periodic()

void bmp3_i2c_periodic

(

struct Bmp3_I2c *

bmp

)

Start new measurement if sensor ready.

Definition at line 78 of file bmp3_i2c.c.

References BMP3_ALL, BMP3_CALIB_DATA_ADDR, BMP3_CALIB_DATA_LEN, BMP3_CONFIG_ADDR, BMP3_IIR_FILTER_COEFF_3, BMP3_NO_OVERSAMPLING, BMP3_NORMAL_MODE, BMP3_ODR_50_HZ, BMP3_ODR_ADDR, BMP3_OSR_ADDR, BMP3_OVERSAMPLING_8X, BMP3_P_AND_T_HEADER_DATA_LEN, BMP3_PWR_CTRL_ADDR, BMP3_SENS_STATUS_REG_ADDR, BMP3_STATUS_CONFIGURE, BMP3_STATUS_GET_CALIB, BMP3_STATUS_READ_DATA, BMP3_STATUS_UNINIT, foo, i2c_transceive(), i2c_transmit(), and I2CTransDone.

Referenced by baro_bmp3_periodic().

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bmp3_pow()

static double bmp3_pow ( double  base, uint8_t  power  )

static

This internal API is used to calculate the power functionality for double precision floating point values.

Definition at line 320 of file bmp3_i2c.c.

References foo.

Referenced by compensate_pressure().

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compensate_pressure()

static double compensate_pressure ( struct Bmp3_I2c *  bmp )

static

This internal API is used to compensate the raw pressure data and return the compensated pressure data in double data type.

Definition at line 281 of file bmp3_i2c.c.

References bmp3_pow(), and foo.

Referenced by bmp3_i2c_event().

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compensate_temperature()

static double compensate_temperature ( struct Bmp3_I2c *  bmp )

static

This internal API is used to compensate the raw temperature data and return the compensated temperature data in double data type.

Definition at line 261 of file bmp3_i2c.c.

References foo.

Referenced by bmp3_i2c_event().

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parse_calib_data()

static void parse_calib_data ( struct Bmp3_I2c *  bmp )

static

This internal API is used to parse the calibration data, compensates it and store it in device structure.

Definition at line 193 of file bmp3_i2c.c.

References BMP3_CONCAT_BYTES, and foo.

Referenced by bmp3_i2c_event().

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parse_sensor_data()

static void parse_sensor_data ( struct Bmp3_I2c *  bmp )

static

local function to extract raw data from i2c buffer and compute compensation with selected precision

Definition at line 166 of file bmp3_i2c.c.

References foo.

Referenced by bmp3_i2c_event().

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