baro_bmp.c File Reference

Bosch BMP085 I2C sensor interface. More...

#include "baro_bmp.h"
#include "peripherals/bmp085_regs.h"
#include "mcu_periph/sys_time.h"
#include "mcu_periph/i2c.h"
#include "led.h"
#include "mcu_periph/uart.h"
#include "modules/core/abi.h"
#include "pprzlink/messages.h"
#include "modules/datalink/downlink.h"

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Macros
#define	BMP_I2C_DEV   i2c0
#define	BARO_BMP_R   0.5
#define	BARO_BMP_SIGMA2   0.1

Functions
void	baro_bmp_init (void)
void	baro_bmp_periodic (void)
void	baro_bmp_event (void)

Variables
struct Bmp085	baro_bmp
bool	baro_bmp_enabled
float	baro_bmp_r
float	baro_bmp_sigma2
int32_t	baro_bmp_alt

Detailed Description

Bosch BMP085 I2C sensor interface.

This reads the values for pressure and temperature from the Bosch BMP085 sensor through I2C.

Definition in file baro_bmp.c.

Macro Definition Documentation

BARO_BMP_R

#define BARO_BMP_R   0.5

Definition at line 48 of file baro_bmp.c.

BARO_BMP_SIGMA2

#define BARO_BMP_SIGMA2   0.1

Definition at line 49 of file baro_bmp.c.

BMP_I2C_DEV

#define BMP_I2C_DEV   i2c0

Definition at line 45 of file baro_bmp.c.

Function Documentation

baro_bmp_event()

void baro_bmp_event

(

void

)

Definition at line 81 of file baro_bmp.c.

References baro_bmp, baro_bmp_alt, BARO_BMP_SENDER_ID, BARO_BOARD_SENDER_ID, bmp085_event(), Bmp085::data_available, DefaultChannel, DefaultDevice, get_sys_time_usec(), Bmp085::pressure, Bmp085::temperature, Bmp085::up, and Bmp085::ut.

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baro_bmp_init()

void baro_bmp_init

(

void

)

Definition at line 59 of file baro_bmp.c.

References baro_bmp, baro_bmp_enabled, BARO_BMP_R, baro_bmp_r, BARO_BMP_SIGMA2, baro_bmp_sigma2, bmp085_init(), BMP085_SLAVE_ADDR, and BMP_I2C_DEV.

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baro_bmp_periodic()

void baro_bmp_periodic

(

void

)

Definition at line 70 of file baro_bmp.c.

References baro_bmp, bmp085_periodic(), bmp085_read_eeprom_calib(), and Bmp085::initialized.

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Variable Documentation

baro_bmp

struct Bmp085 baro_bmp

Definition at line 1 of file baro_bmp.c.

Referenced by baro_bmp_event(), baro_bmp_init(), and baro_bmp_periodic().

baro_bmp_alt

int32_t baro_bmp_alt

Definition at line 57 of file baro_bmp.c.

Referenced by baro_bmp_event().

baro_bmp_enabled

bool baro_bmp_enabled

Definition at line 54 of file baro_bmp.c.

Referenced by alt_kalman(), and baro_bmp_init().

baro_bmp_r

float baro_bmp_r

Definition at line 55 of file baro_bmp.c.

Referenced by alt_kalman(), and baro_bmp_init().

baro_bmp_sigma2

float baro_bmp_sigma2

Definition at line 56 of file baro_bmp.c.

Referenced by alt_kalman(), and baro_bmp_init().