bmp3_i2c.h File Reference

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

#include "peripherals/bmp3_regs.h"
#include "mcu_periph/i2c.h"

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Data Structures
struct	Bmp3_I2c

Functions
void	bmp3_i2c_read_eeprom_calib (struct Bmp3_I2c *bmp)
void	bmp3_i2c_init (struct Bmp3_I2c *bmp, struct i2c_periph *i2c_p, uint8_t addr)
	init function More...
void	bmp3_i2c_periodic (struct Bmp3_I2c *bmp)
	Start new measurement if sensor ready. More...
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.h.

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Data Structure Documentation

Bmp3_I2c

struct Bmp3_I2c

Definition at line 38 of file bmp3_i2c.h.

Collaboration diagram for Bmp3_I2c:

Data Fields
struct bmp3_reg_calib_data	calib	calibration data
volatile bool	data_available	data ready flag
struct i2c_periph *	i2c_p
struct i2c_transaction	i2c_trans
bool	initialized	config done flag
float	pressure	pressure in Pascal
struct bmp3_quantized_calib_data	quant_calib	quantized calibration data
uint32_t	raw_pressure	uncompensated pressure
uint32_t	raw_temperature	uncompensated temperature
enum Bmp3Status	status	state machine status
float	temperature	temperature in deg Celcius

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, i2c_transaction::buf, compensate_pressure(), compensate_temperature(), Bmp3_I2c::data_available, Bmp3_I2c::i2c_trans, I2CTransDone, I2CTransFailed, I2CTransSuccess, Bmp3_I2c::initialized, parse_calib_data(), parse_sensor_data(), Bmp3_I2c::status, and i2c_transaction::status.

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, Bmp3_I2c::data_available, Bmp3_I2c::i2c_p, Bmp3_I2c::i2c_trans, I2CTransDone, Bmp3_I2c::initialized, i2c_transaction::slave_addr, Bmp3_I2c::status, and i2c_transaction::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, i2c_transaction::buf, Bmp3_I2c::data_available, Bmp3_I2c::i2c_p, Bmp3_I2c::i2c_trans, i2c_transceive(), i2c_transmit(), I2CTransDone, Bmp3_I2c::initialized, i2c_transaction::slave_addr, Bmp3_I2c::status, and i2c_transaction::status.

Referenced by baro_bmp3_periodic().

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bmp3_i2c_read_eeprom_calib()

void bmp3_i2c_read_eeprom_calib

(

struct Bmp3_I2c *

bmp

)